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-rw-r--r--drivers/of/address.c273
-rw-r--r--drivers/of/of_private.h2
-rw-r--r--drivers/of/of_reserved_mem.c2
-rw-r--r--drivers/of/property.c4
-rw-r--r--drivers/of/resolver.c5
-rw-r--r--drivers/of/unittest-data/Makefile8
-rw-r--r--drivers/of/unittest-data/overlay_gpio_01.dts23
-rw-r--r--drivers/of/unittest-data/overlay_gpio_02a.dts16
-rw-r--r--drivers/of/unittest-data/overlay_gpio_02b.dts16
-rw-r--r--drivers/of/unittest-data/overlay_gpio_03.dts23
-rw-r--r--drivers/of/unittest-data/overlay_gpio_04a.dts16
-rw-r--r--drivers/of/unittest-data/overlay_gpio_04b.dts16
-rw-r--r--drivers/of/unittest.c669
13 files changed, 905 insertions, 168 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c
index e8a39c3ec4d4..8eea3f6e29a4 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -100,6 +100,28 @@ static unsigned int of_bus_default_get_flags(const __be32 *addr)
return IORESOURCE_MEM;
}
+static unsigned int of_bus_pci_get_flags(const __be32 *addr)
+{
+ unsigned int flags = 0;
+ u32 w = be32_to_cpup(addr);
+
+ if (!IS_ENABLED(CONFIG_PCI))
+ return 0;
+
+ switch((w >> 24) & 0x03) {
+ case 0x01:
+ flags |= IORESOURCE_IO;
+ break;
+ case 0x02: /* 32 bits */
+ case 0x03: /* 64 bits */
+ flags |= IORESOURCE_MEM;
+ break;
+ }
+ if (w & 0x40000000)
+ flags |= IORESOURCE_PREFETCH;
+ return flags;
+}
+
#ifdef CONFIG_PCI
/*
* PCI bus specific translator
@@ -125,25 +147,6 @@ static void of_bus_pci_count_cells(struct device_node *np,
*sizec = 2;
}
-static unsigned int of_bus_pci_get_flags(const __be32 *addr)
-{
- unsigned int flags = 0;
- u32 w = be32_to_cpup(addr);
-
- switch((w >> 24) & 0x03) {
- case 0x01:
- flags |= IORESOURCE_IO;
- break;
- case 0x02: /* 32 bits */
- case 0x03: /* 64 bits */
- flags |= IORESOURCE_MEM;
- break;
- }
- if (w & 0x40000000)
- flags |= IORESOURCE_PREFETCH;
- return flags;
-}
-
static u64 of_bus_pci_map(__be32 *addr, const __be32 *range, int na, int ns,
int pna)
{
@@ -234,93 +237,6 @@ int of_pci_address_to_resource(struct device_node *dev, int bar,
}
EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
-static int parser_init(struct of_pci_range_parser *parser,
- struct device_node *node, const char *name)
-{
- const int na = 3, ns = 2;
- int rlen;
-
- parser->node = node;
- parser->pna = of_n_addr_cells(node);
- parser->np = parser->pna + na + ns;
- parser->dma = !strcmp(name, "dma-ranges");
-
- parser->range = of_get_property(node, name, &rlen);
- if (parser->range == NULL)
- return -ENOENT;
-
- parser->end = parser->range + rlen / sizeof(__be32);
-
- return 0;
-}
-
-int of_pci_range_parser_init(struct of_pci_range_parser *parser,
- struct device_node *node)
-{
- return parser_init(parser, node, "ranges");
-}
-EXPORT_SYMBOL_GPL(of_pci_range_parser_init);
-
-int of_pci_dma_range_parser_init(struct of_pci_range_parser *parser,
- struct device_node *node)
-{
- return parser_init(parser, node, "dma-ranges");
-}
-EXPORT_SYMBOL_GPL(of_pci_dma_range_parser_init);
-
-struct of_pci_range *of_pci_range_parser_one(struct of_pci_range_parser *parser,
- struct of_pci_range *range)
-{
- const int na = 3, ns = 2;
-
- if (!range)
- return NULL;
-
- if (!parser->range || parser->range + parser->np > parser->end)
- return NULL;
-
- range->pci_space = be32_to_cpup(parser->range);
- range->flags = of_bus_pci_get_flags(parser->range);
- range->pci_addr = of_read_number(parser->range + 1, ns);
- if (parser->dma)
- range->cpu_addr = of_translate_dma_address(parser->node,
- parser->range + na);
- else
- range->cpu_addr = of_translate_address(parser->node,
- parser->range + na);
- range->size = of_read_number(parser->range + parser->pna + na, ns);
-
- parser->range += parser->np;
-
- /* Now consume following elements while they are contiguous */
- while (parser->range + parser->np <= parser->end) {
- u32 flags;
- u64 pci_addr, cpu_addr, size;
-
- flags = of_bus_pci_get_flags(parser->range);
- pci_addr = of_read_number(parser->range + 1, ns);
- if (parser->dma)
- cpu_addr = of_translate_dma_address(parser->node,
- parser->range + na);
- else
- cpu_addr = of_translate_address(parser->node,
- parser->range + na);
- size = of_read_number(parser->range + parser->pna + na, ns);
-
- if (flags != range->flags)
- break;
- if (pci_addr != range->pci_addr + range->size ||
- cpu_addr != range->cpu_addr + range->size)
- break;
-
- range->size += size;
- parser->range += parser->np;
- }
-
- return range;
-}
-EXPORT_SYMBOL_GPL(of_pci_range_parser_one);
-
/*
* of_pci_range_to_resource - Create a resource from an of_pci_range
* @range: the PCI range that describes the resource
@@ -775,6 +691,101 @@ const __be32 *of_get_address(struct device_node *dev, int index, u64 *size,
}
EXPORT_SYMBOL(of_get_address);
+static int parser_init(struct of_pci_range_parser *parser,
+ struct device_node *node, const char *name)
+{
+ int rlen;
+
+ parser->node = node;
+ parser->pna = of_n_addr_cells(node);
+ parser->na = of_bus_n_addr_cells(node);
+ parser->ns = of_bus_n_size_cells(node);
+ parser->dma = !strcmp(name, "dma-ranges");
+
+ parser->range = of_get_property(node, name, &rlen);
+ if (parser->range == NULL)
+ return -ENOENT;
+
+ parser->end = parser->range + rlen / sizeof(__be32);
+
+ return 0;
+}
+
+int of_pci_range_parser_init(struct of_pci_range_parser *parser,
+ struct device_node *node)
+{
+ return parser_init(parser, node, "ranges");
+}
+EXPORT_SYMBOL_GPL(of_pci_range_parser_init);
+
+int of_pci_dma_range_parser_init(struct of_pci_range_parser *parser,
+ struct device_node *node)
+{
+ return parser_init(parser, node, "dma-ranges");
+}
+EXPORT_SYMBOL_GPL(of_pci_dma_range_parser_init);
+#define of_dma_range_parser_init of_pci_dma_range_parser_init
+
+struct of_pci_range *of_pci_range_parser_one(struct of_pci_range_parser *parser,
+ struct of_pci_range *range)
+{
+ int na = parser->na;
+ int ns = parser->ns;
+ int np = parser->pna + na + ns;
+
+ if (!range)
+ return NULL;
+
+ if (!parser->range || parser->range + np > parser->end)
+ return NULL;
+
+ if (parser->na == 3)
+ range->flags = of_bus_pci_get_flags(parser->range);
+ else
+ range->flags = 0;
+
+ range->pci_addr = of_read_number(parser->range, na);
+
+ if (parser->dma)
+ range->cpu_addr = of_translate_dma_address(parser->node,
+ parser->range + na);
+ else
+ range->cpu_addr = of_translate_address(parser->node,
+ parser->range + na);
+ range->size = of_read_number(parser->range + parser->pna + na, ns);
+
+ parser->range += np;
+
+ /* Now consume following elements while they are contiguous */
+ while (parser->range + np <= parser->end) {
+ u32 flags = 0;
+ u64 pci_addr, cpu_addr, size;
+
+ if (parser->na == 3)
+ flags = of_bus_pci_get_flags(parser->range);
+ pci_addr = of_read_number(parser->range, na);
+ if (parser->dma)
+ cpu_addr = of_translate_dma_address(parser->node,
+ parser->range + na);
+ else
+ cpu_addr = of_translate_address(parser->node,
+ parser->range + na);
+ size = of_read_number(parser->range + parser->pna + na, ns);
+
+ if (flags != range->flags)
+ break;
+ if (pci_addr != range->pci_addr + range->size ||
+ cpu_addr != range->cpu_addr + range->size)
+ break;
+
+ range->size += size;
+ parser->range += np;
+ }
+
+ return range;
+}
+EXPORT_SYMBOL_GPL(of_pci_range_parser_one);
+
static u64 of_translate_ioport(struct device_node *dev, const __be32 *in_addr,
u64 size)
{
@@ -928,10 +939,12 @@ int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *siz
{
struct device_node *node = of_node_get(np);
const __be32 *ranges = NULL;
- int len, naddr, nsize, pna;
+ int len;
int ret = 0;
bool found_dma_ranges = false;
- u64 dmaaddr;
+ struct of_range_parser parser;
+ struct of_range range;
+ u64 dma_start = U64_MAX, dma_end = 0, dma_offset = 0;
while (node) {
ranges = of_get_property(node, "dma-ranges", &len);
@@ -956,32 +969,38 @@ int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *siz
goto out;
}
- naddr = of_bus_n_addr_cells(node);
- nsize = of_bus_n_size_cells(node);
- pna = of_n_addr_cells(node);
- if ((len / sizeof(__be32)) % (pna + naddr + nsize)) {
- ret = -EINVAL;
- goto out;
+ of_dma_range_parser_init(&parser, node);
+
+ for_each_of_range(&parser, &range) {
+ pr_debug("dma_addr(%llx) cpu_addr(%llx) size(%llx)\n",
+ range.bus_addr, range.cpu_addr, range.size);
+
+ if (dma_offset && range.cpu_addr - range.bus_addr != dma_offset) {
+ pr_warn("Can't handle multiple dma-ranges with different offsets on node(%pOF)\n", node);
+ /* Don't error out as we'd break some existing DTs */
+ continue;
+ }
+ dma_offset = range.cpu_addr - range.bus_addr;
+
+ /* Take lower and upper limits */
+ if (range.bus_addr < dma_start)
+ dma_start = range.bus_addr;
+ if (range.bus_addr + range.size > dma_end)
+ dma_end = range.bus_addr + range.size;
}
- /* dma-ranges format:
- * DMA addr : naddr cells
- * CPU addr : pna cells
- * size : nsize cells
- */
- dmaaddr = of_read_number(ranges, naddr);
- *paddr = of_translate_dma_address(node, ranges + naddr);
- if (*paddr == OF_BAD_ADDR) {
- pr_err("translation of DMA address(%llx) to CPU address failed node(%pOF)\n",
- dmaaddr, np);
+ if (dma_start >= dma_end) {
ret = -EINVAL;
+ pr_debug("Invalid DMA ranges configuration on node(%pOF)\n",
+ node);
goto out;
}
- *dma_addr = dmaaddr;
- *size = of_read_number(ranges + naddr + pna, nsize);
+ *dma_addr = dma_start;
+ *size = dma_end - dma_start;
+ *paddr = dma_start + dma_offset;
- pr_debug("dma_addr(%llx) cpu_addr(%llx) size(%llx)\n",
+ pr_debug("final: dma_addr(%llx) cpu_addr(%llx) size(%llx)\n",
*dma_addr, *paddr, *size);
out:
diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h
index 207863c151a5..edc682249c00 100644
--- a/drivers/of/of_private.h
+++ b/drivers/of/of_private.h
@@ -24,7 +24,7 @@ struct alias_prop {
const char *alias;
struct device_node *np;
int id;
- char stem[0];
+ char stem[];
};
#if defined(CONFIG_SPARC)
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 6bd610ee2cd7..1a84bc0d5fa8 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -22,7 +22,7 @@
#include <linux/slab.h>
#include <linux/memblock.h>
-#define MAX_RESERVED_REGIONS 32
+#define MAX_RESERVED_REGIONS 64
static struct reserved_mem reserved_mem[MAX_RESERVED_REGIONS];
static int reserved_mem_count;
diff --git a/drivers/of/property.c b/drivers/of/property.c
index f104f15b57fb..b4916dcc9e72 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1204,6 +1204,8 @@ DEFINE_SIMPLE_PROP(mboxes, "mboxes", "#mbox-cells")
DEFINE_SIMPLE_PROP(io_channels, "io-channel", "#io-channel-cells")
DEFINE_SIMPLE_PROP(interrupt_parent, "interrupt-parent", NULL)
DEFINE_SIMPLE_PROP(dmas, "dmas", "#dma-cells")
+DEFINE_SIMPLE_PROP(power_domains, "power-domains", "#power-domain-cells")
+DEFINE_SIMPLE_PROP(hwlocks, "hwlocks", "#hwlock-cells")
DEFINE_SUFFIX_PROP(regulators, "-supply", NULL)
DEFINE_SUFFIX_PROP(gpio, "-gpio", "#gpio-cells")
DEFINE_SUFFIX_PROP(gpios, "-gpios", "#gpio-cells")
@@ -1226,6 +1228,8 @@ static const struct supplier_bindings of_supplier_bindings[] = {
{ .parse_prop = parse_io_channels, },
{ .parse_prop = parse_interrupt_parent, },
{ .parse_prop = parse_dmas, },
+ { .parse_prop = parse_power_domains, },
+ { .parse_prop = parse_hwlocks, },
{ .parse_prop = parse_regulators, },
{ .parse_prop = parse_gpio, },
{ .parse_prop = parse_gpios, },
diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c
index 83c766233181..b278ab4338ce 100644
--- a/drivers/of/resolver.c
+++ b/drivers/of/resolver.c
@@ -321,8 +321,11 @@ int of_resolve_phandles(struct device_node *overlay)
err = of_property_read_string(tree_symbols,
prop->name, &refpath);
- if (err)
+ if (err) {
+ pr_err("node label '%s' not found in live devicetree symbols table\n",
+ prop->name);
goto out;
+ }
refnode = of_find_node_by_path(refpath);
if (!refnode) {
diff --git a/drivers/of/unittest-data/Makefile b/drivers/of/unittest-data/Makefile
index 9b6807065827..009f4045c8e4 100644
--- a/drivers/of/unittest-data/Makefile
+++ b/drivers/of/unittest-data/Makefile
@@ -21,7 +21,13 @@ obj-$(CONFIG_OF_OVERLAY) += overlay.dtb.o \
overlay_bad_add_dup_prop.dtb.o \
overlay_bad_phandle.dtb.o \
overlay_bad_symbol.dtb.o \
- overlay_base.dtb.o
+ overlay_base.dtb.o \
+ overlay_gpio_01.dtb.o \
+ overlay_gpio_02a.dtb.o \
+ overlay_gpio_02b.dtb.o \
+ overlay_gpio_03.dtb.o \
+ overlay_gpio_04a.dtb.o \
+ overlay_gpio_04b.dtb.o
# enable creation of __symbols__ node
DTC_FLAGS_overlay += -@
diff --git a/drivers/of/unittest-data/overlay_gpio_01.dts b/drivers/of/unittest-data/overlay_gpio_01.dts
new file mode 100644
index 000000000000..699ff104ae10
--- /dev/null
+++ b/drivers/of/unittest-data/overlay_gpio_01.dts
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+/plugin/;
+
+&unittest_test_bus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@0 {
+ compatible = "unittest-gpio";
+ reg = <0>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <2>;
+ gpio-line-names = "line-A", "line-B";
+
+ line-b {
+ gpio-hog;
+ gpios = <2 0>;
+ input;
+ line-name = "line-B-input";
+ };
+ };
+};
diff --git a/drivers/of/unittest-data/overlay_gpio_02a.dts b/drivers/of/unittest-data/overlay_gpio_02a.dts
new file mode 100644
index 000000000000..ec59aff6ed47
--- /dev/null
+++ b/drivers/of/unittest-data/overlay_gpio_02a.dts
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+/plugin/;
+
+&unittest_test_bus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@2 {
+ compatible = "unittest-gpio";
+ reg = <2>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <2>;
+ gpio-line-names = "line-A", "line-B";
+ };
+};
diff --git a/drivers/of/unittest-data/overlay_gpio_02b.dts b/drivers/of/unittest-data/overlay_gpio_02b.dts
new file mode 100644
index 000000000000..43ce111d41ce
--- /dev/null
+++ b/drivers/of/unittest-data/overlay_gpio_02b.dts
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+/plugin/;
+
+&unittest_test_bus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@2 {
+ line-a {
+ gpio-hog;
+ gpios = <1 0>;
+ input;
+ line-name = "line-A-input";
+ };
+ };
+};
diff --git a/drivers/of/unittest-data/overlay_gpio_03.dts b/drivers/of/unittest-data/overlay_gpio_03.dts
new file mode 100644
index 000000000000..6e0312340a1b
--- /dev/null
+++ b/drivers/of/unittest-data/overlay_gpio_03.dts
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+/plugin/;
+
+&unittest_test_bus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@3 {
+ compatible = "unittest-gpio";
+ reg = <3>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <2>;
+ gpio-line-names = "line-A", "line-B", "line-C", "line-D";
+
+ line-d {
+ gpio-hog;
+ gpios = <4 0>;
+ input;
+ line-name = "line-D-input";
+ };
+ };
+};
diff --git a/drivers/of/unittest-data/overlay_gpio_04a.dts b/drivers/of/unittest-data/overlay_gpio_04a.dts
new file mode 100644
index 000000000000..7b1e04ebfa7a
--- /dev/null
+++ b/drivers/of/unittest-data/overlay_gpio_04a.dts
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+/plugin/;
+
+&unittest_test_bus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@4 {
+ compatible = "unittest-gpio";
+ reg = <4>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <2>;
+ gpio-line-names = "line-A", "line-B", "line-C", "line-D";
+ };
+};
diff --git a/drivers/of/unittest-data/overlay_gpio_04b.dts b/drivers/of/unittest-data/overlay_gpio_04b.dts
new file mode 100644
index 000000000000..a14e95c6699a
--- /dev/null
+++ b/drivers/of/unittest-data/overlay_gpio_04b.dts
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+/plugin/;
+
+&unittest_test_bus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@4 {
+ line-c {
+ gpio-hog;
+ gpios = <3 0>;
+ input;
+ line-name = "line-C-input";
+ };
+ };
+};
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 68b87587b2ef..7e27670c3616 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -24,6 +24,7 @@
#include <linux/i2c.h>
#include <linux/i2c-mux.h>
+#include <linux/gpio/driver.h>
#include <linux/bitops.h>
@@ -46,6 +47,20 @@ static struct unittest_results {
failed; \
})
+/*
+ * Expected message may have a message level other than KERN_INFO.
+ * Print the expected message only if the current loglevel will allow
+ * the actual message to print.
+ *
+ * Do not use EXPECT_BEGIN() or EXPECT_END() for messages generated by
+ * pr_debug().
+ */
+#define EXPECT_BEGIN(level, fmt, ...) \
+ printk(level pr_fmt("EXPECT \\ : ") fmt, ##__VA_ARGS__)
+
+#define EXPECT_END(level, fmt, ...) \
+ printk(level pr_fmt("EXPECT / : ") fmt, ##__VA_ARGS__)
+
static void __init of_unittest_find_node_by_name(void)
{
struct device_node *np;
@@ -444,29 +459,77 @@ static void __init of_unittest_parse_phandle_with_args(void)
/* Check for missing cells property */
memset(&args, 0, sizeof(args));
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1");
+
rc = of_parse_phandle_with_args(np, "phandle-list",
"#phandle-cells-missing", 0, &args);
+
+ EXPECT_END(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1");
+
unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1");
+
rc = of_count_phandle_with_args(np, "phandle-list",
"#phandle-cells-missing");
+
+ EXPECT_END(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1");
+
unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
/* Check for bad phandle in list */
memset(&args, 0, sizeof(args));
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-a: could not find phandle");
+
rc = of_parse_phandle_with_args(np, "phandle-list-bad-phandle",
"#phandle-cells", 0, &args);
+
+ EXPECT_END(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-a: could not find phandle");
+
unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-a: could not find phandle");
+
rc = of_count_phandle_with_args(np, "phandle-list-bad-phandle",
"#phandle-cells");
+
+ EXPECT_END(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-a: could not find phandle");
+
unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
/* Check for incorrectly formed argument list */
memset(&args, 0, sizeof(args));
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found -1");
+
rc = of_parse_phandle_with_args(np, "phandle-list-bad-args",
"#phandle-cells", 1, &args);
+
+ EXPECT_END(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found -1");
+
unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found -1");
+
rc = of_count_phandle_with_args(np, "phandle-list-bad-args",
"#phandle-cells");
+
+ EXPECT_END(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found -1");
+
unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
}
@@ -577,20 +640,41 @@ static void __init of_unittest_parse_phandle_with_args_map(void)
/* Check for missing cells,map,mask property */
memset(&args, 0, sizeof(args));
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-b: could not get #phandle-missing-cells for /testcase-data/phandle-tests/provider1");
+
rc = of_parse_phandle_with_args_map(np, "phandle-list",
"phandle-missing", 0, &args);
+ EXPECT_END(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-b: could not get #phandle-missing-cells for /testcase-data/phandle-tests/provider1");
+
unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
/* Check for bad phandle in list */
memset(&args, 0, sizeof(args));
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-b: could not find phandle");
+
rc = of_parse_phandle_with_args_map(np, "phandle-list-bad-phandle",
"phandle", 0, &args);
+ EXPECT_END(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-b: could not find phandle");
+
unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
/* Check for incorrectly formed argument list */
memset(&args, 0, sizeof(args));
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-b: #phandle-cells = 2 found -1");
+
rc = of_parse_phandle_with_args_map(np, "phandle-list-bad-args",
"phandle", 1, &args);
+ EXPECT_END(KERN_INFO,
+ "OF: /testcase-data/phandle-tests/consumer-b: #phandle-cells = 2 found -1");
+
unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
}
@@ -1121,7 +1205,15 @@ static void __init of_unittest_platform_populate(void)
np = of_find_node_by_path("/testcase-data/testcase-device2");
pdev = of_find_device_by_node(np);
unittest(pdev, "device 2 creation failed\n");
+
+ EXPECT_BEGIN(KERN_INFO,
+ "platform testcase-data:testcase-device2: IRQ index 0 not found");
+
irq = platform_get_irq(pdev, 0);
+
+ EXPECT_END(KERN_INFO,
+ "platform testcase-data:testcase-device2: IRQ index 0 not found");
+
unittest(irq < 0 && irq != -EPROBE_DEFER,
"device parsing error failed - %d\n", irq);
}
@@ -1325,6 +1417,9 @@ static int __init unittest_data_add(void)
return 0;
}
+ EXPECT_BEGIN(KERN_INFO,
+ "Duplicate name in testcase-data, renamed to \"duplicate-name#1\"");
+
/* attach the sub-tree to live tree */
np = unittest_data_node->child;
while (np) {
@@ -1335,6 +1430,9 @@ static int __init unittest_data_add(void)
np = next;
}
+ EXPECT_END(KERN_INFO,
+ "Duplicate name in testcase-data, renamed to \"duplicate-name#1\"");
+
of_overlay_mutex_unlock();
return 0;
@@ -1410,6 +1508,249 @@ static int of_path_platform_device_exists(const char *path)
return pdev != NULL;
}
+#ifdef CONFIG_OF_GPIO
+
+struct unittest_gpio_dev {
+ struct gpio_chip chip;
+};
+
+static int unittest_gpio_chip_request_count;
+static int unittest_gpio_probe_count;
+static int unittest_gpio_probe_pass_count;
+
+static int unittest_gpio_chip_request(struct gpio_chip *chip, unsigned int offset)
+{
+ unittest_gpio_chip_request_count++;
+
+ pr_debug("%s(): %s %d %d\n", __func__, chip->label, offset,
+ unittest_gpio_chip_request_count);
+ return 0;
+}
+
+static int unittest_gpio_probe(struct platform_device *pdev)
+{
+ struct unittest_gpio_dev *devptr;
+ int ret;
+
+ unittest_gpio_probe_count++;
+
+ devptr = kzalloc(sizeof(*devptr), GFP_KERNEL);
+ if (!devptr)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, devptr);
+
+ devptr->chip.of_node = pdev->dev.of_node;
+ devptr->chip.label = "of-unittest-gpio";
+ devptr->chip.base = -1; /* dynamic allocation */
+ devptr->chip.ngpio = 5;
+ devptr->chip.request = unittest_gpio_chip_request;
+
+ ret = gpiochip_add_data(&devptr->chip, NULL);
+
+ unittest(!ret,
+ "gpiochip_add_data() for node @%pOF failed, ret = %d\n", devptr->chip.of_node, ret);
+
+ if (!ret)
+ unittest_gpio_probe_pass_count++;
+ return ret;
+}
+
+static int unittest_gpio_remove(struct platform_device *pdev)
+{
+ struct unittest_gpio_dev *gdev = platform_get_drvdata(pdev);
+ struct device *dev = &pdev->dev;
+ struct device_node *np = pdev->dev.of_node;
+
+ dev_dbg(dev, "%s for node @%pOF\n", __func__, np);
+
+ if (!gdev)
+ return -EINVAL;
+
+ if (gdev->chip.base != -1)
+ gpiochip_remove(&gdev->chip);
+
+ platform_set_drvdata(pdev, NULL);
+ kfree(gdev);
+
+ return 0;
+}
+
+static const struct of_device_id unittest_gpio_id[] = {
+ { .compatible = "unittest-gpio", },
+ {}
+};
+
+static struct platform_driver unittest_gpio_driver = {
+ .probe = unittest_gpio_probe,
+ .remove = unittest_gpio_remove,
+ .driver = {
+ .name = "unittest-gpio",
+ .of_match_table = of_match_ptr(unittest_gpio_id),
+ },
+};
+
+static void __init of_unittest_overlay_gpio(void)
+{
+ int chip_request_count;
+ int probe_pass_count;
+ int ret;
+
+ /*
+ * tests: apply overlays before registering driver
+ * Similar to installing a driver as a module, the
+ * driver is registered after applying the overlays.
+ *
+ * The overlays are applied by overlay_data_apply()
+ * instead of of_unittest_apply_overlay() so that they
+ * will not be tracked. Thus they will not be removed
+ * by of_unittest_destroy_tracked_overlays().
+ *
+ * - apply overlay_gpio_01
+ * - apply overlay_gpio_02a
+ * - apply overlay_gpio_02b
+ * - register driver
+ *
+ * register driver will result in
+ * - probe and processing gpio hog for overlay_gpio_01
+ * - probe for overlay_gpio_02a
+ * - processing gpio for overlay_gpio_02b
+ */
+
+ probe_pass_count = unittest_gpio_probe_pass_count;
+ chip_request_count = unittest_gpio_chip_request_count;
+
+ /*
+ * overlay_gpio_01 contains gpio node and child gpio hog node
+ * overlay_gpio_02a contains gpio node
+ * overlay_gpio_02b contains child gpio hog node
+ */
+
+ unittest(overlay_data_apply("overlay_gpio_01", NULL),
+ "Adding overlay 'overlay_gpio_01' failed\n");
+
+ unittest(overlay_data_apply("overlay_gpio_02a", NULL),
+ "Adding overlay 'overlay_gpio_02a' failed\n");
+
+ unittest(overlay_data_apply("overlay_gpio_02b", NULL),
+ "Adding overlay 'overlay_gpio_02b' failed\n");
+
+ /*
+ * messages are the result of the probes, after the
+ * driver is registered
+ */
+
+ EXPECT_BEGIN(KERN_INFO,
+ "GPIO line <<int>> (line-B-input) hogged as input\n");
+
+ EXPECT_BEGIN(KERN_INFO,
+ "GPIO line <<int>> (line-A-input) hogged as input\n");
+
+ ret = platform_driver_register(&unittest_gpio_driver);
+ if (unittest(ret == 0, "could not register unittest gpio driver\n"))
+ return;
+
+ EXPECT_END(KERN_INFO,
+ "GPIO line <<int>> (line-A-input) hogged as input\n");
+ EXPECT_END(KERN_INFO,
+ "GPIO line <<int>> (line-B-input) hogged as input\n");
+
+ unittest(probe_pass_count + 2 == unittest_gpio_probe_pass_count,
+ "unittest_gpio_probe() failed or not called\n");
+
+ unittest(chip_request_count + 2 == unittest_gpio_chip_request_count,
+ "unittest_gpio_chip_request() called %d times (expected 1 time)\n",
+ unittest_gpio_chip_request_count - chip_request_count);
+
+ /*
+ * tests: apply overlays after registering driver
+ *
+ * Similar to a driver built-in to the kernel, the
+ * driver is registered before applying the overlays.
+ *
+ * overlay_gpio_03 contains gpio node and child gpio hog node
+ *
+ * - apply overlay_gpio_03
+ *
+ * apply overlay will result in
+ * - probe and processing gpio hog.
+ */
+
+ probe_pass_count = unittest_gpio_probe_pass_count;
+ chip_request_count = unittest_gpio_chip_request_count;
+
+ EXPECT_BEGIN(KERN_INFO,
+ "GPIO line <<int>> (line-D-input) hogged as input\n");
+
+ /* overlay_gpio_03 contains gpio node and child gpio hog node */
+
+ unittest(overlay_data_apply("overlay_gpio_03", NULL),
+ "Adding overlay 'overlay_gpio_03' failed\n");
+
+ EXPECT_END(KERN_INFO,
+ "GPIO line <<int>> (line-D-input) hogged as input\n");
+
+ unittest(probe_pass_count + 1 == unittest_gpio_probe_pass_count,
+ "unittest_gpio_probe() failed or not called\n");
+
+ unittest(chip_request_count + 1 == unittest_gpio_chip_request_count,
+ "unittest_gpio_chip_request() called %d times (expected 1 time)\n",
+ unittest_gpio_chip_request_count - chip_request_count);
+
+ /*
+ * overlay_gpio_04a contains gpio node
+ *
+ * - apply overlay_gpio_04a
+ *
+ * apply the overlay will result in
+ * - probe for overlay_gpio_04a
+ */
+
+ probe_pass_count = unittest_gpio_probe_pass_count;
+ chip_request_count = unittest_gpio_chip_request_count;
+
+ /* overlay_gpio_04a contains gpio node */
+
+ unittest(overlay_data_apply("overlay_gpio_04a", NULL),
+ "Adding overlay 'overlay_gpio_04a' failed\n");
+
+ unittest(probe_pass_count + 1 == unittest_gpio_probe_pass_count,
+ "unittest_gpio_probe() failed or not called\n");
+
+ /*
+ * overlay_gpio_04b contains child gpio hog node
+ *
+ * - apply overlay_gpio_04b
+ *
+ * apply the overlay will result in
+ * - processing gpio for overlay_gpio_04b
+ */
+
+ EXPECT_BEGIN(KERN_INFO,
+ "GPIO line <<int>> (line-C-input) hogged as input\n");
+
+ /* overlay_gpio_04b contains child gpio hog node */
+
+ unittest(overlay_data_apply("overlay_gpio_04b", NULL),
+ "Adding overlay 'overlay_gpio_04b' failed\n");
+
+ EXPECT_END(KERN_INFO,
+ "GPIO line <<int>> (line-C-input) hogged as input\n");
+
+ unittest(chip_request_count + 1 == unittest_gpio_chip_request_count,
+ "unittest_gpio_chip_request() called %d times (expected 1 time)\n",
+ unittest_gpio_chip_request_count - chip_request_count);
+}
+
+#else
+
+static void __init of_unittest_overlay_gpio(void)
+{
+ /* skip tests */
+}
+
+#endif
+
#if IS_BUILTIN(CONFIG_I2C)
/* get the i2c client device instantiated at the path */
@@ -1511,19 +1852,27 @@ static const char *overlay_name_from_nr(int nr)
static const char *bus_path = "/testcase-data/overlay-node/test-bus";
-/* it is guaranteed that overlay ids are assigned in sequence */
+/* FIXME: it is NOT guaranteed that overlay ids are assigned in sequence */
+
#define MAX_UNITTEST_OVERLAYS 256
static unsigned long overlay_id_bits[BITS_TO_LONGS(MAX_UNITTEST_OVERLAYS)];
static int overlay_first_id = -1;
+static long of_unittest_overlay_tracked(int id)
+{
+ if (WARN_ON(id >= MAX_UNITTEST_OVERLAYS))
+ return 0;
+ return overlay_id_bits[BIT_WORD(id)] & BIT_MASK(id);
+}
+
static void of_unittest_track_overlay(int id)
{
if (overlay_first_id < 0)
overlay_first_id = id;
id -= overlay_first_id;
- /* we shouldn't need that many */
- BUG_ON(id >= MAX_UNITTEST_OVERLAYS);
+ if (WARN_ON(id >= MAX_UNITTEST_OVERLAYS))
+ return;
overlay_id_bits[BIT_WORD(id)] |= BIT_MASK(id);
}
@@ -1532,7 +1881,8 @@ static void of_unittest_untrack_overlay(int id)
if (overlay_first_id < 0)
return;
id -= overlay_first_id;
- BUG_ON(id >= MAX_UNITTEST_OVERLAYS);
+ if (WARN_ON(id >= MAX_UNITTEST_OVERLAYS))
+ return;
overlay_id_bits[BIT_WORD(id)] &= ~BIT_MASK(id);
}
@@ -1548,7 +1898,7 @@ static void of_unittest_destroy_tracked_overlays(void)
defers = 0;
/* remove in reverse order */
for (id = MAX_UNITTEST_OVERLAYS - 1; id >= 0; id--) {
- if (!(overlay_id_bits[BIT_WORD(id)] & BIT_MASK(id)))
+ if (!of_unittest_overlay_tracked(id))
continue;
ovcs_id = id + overlay_first_id;
@@ -1565,7 +1915,7 @@ static void of_unittest_destroy_tracked_overlays(void)
continue;
}
- overlay_id_bits[BIT_WORD(id)] &= ~BIT_MASK(id);
+ of_unittest_untrack_overlay(id);
}
} while (defers > 0);
}
@@ -1626,7 +1976,7 @@ static int __init of_unittest_apply_revert_overlay_check(int overlay_nr,
int unittest_nr, int before, int after,
enum overlay_type ovtype)
{
- int ret, ovcs_id;
+ int ret, ovcs_id, save_id;
/* unittest device must be in before state */
if (of_unittest_device_exists(unittest_nr, ovtype) != before) {
@@ -1654,6 +2004,7 @@ static int __init of_unittest_apply_revert_overlay_check(int overlay_nr,
return -EINVAL;
}
+ save_id = ovcs_id;
ret = of_overlay_remove(&ovcs_id);
if (ret != 0) {
unittest(0, "%s failed to be destroyed @\"%s\"\n",
@@ -1661,6 +2012,7 @@ static int __init of_unittest_apply_revert_overlay_check(int overlay_nr,
unittest_path(unittest_nr, ovtype));
return ret;
}
+ of_unittest_untrack_overlay(save_id);
/* unittest device must be again in before state */
if (of_unittest_device_exists(unittest_nr, PDEV_OVERLAY) != before) {
@@ -1677,8 +2029,18 @@ static int __init of_unittest_apply_revert_overlay_check(int overlay_nr,
/* test activation of device */
static void __init of_unittest_overlay_0(void)
{
+ int ret;
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest0/status");
+
/* device should enable */
- if (of_unittest_apply_overlay_check(0, 0, 0, 1, PDEV_OVERLAY))
+ ret = of_unittest_apply_overlay_check(0, 0, 0, 1, PDEV_OVERLAY);
+
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest0/status");
+
+ if (ret)
return;
unittest(1, "overlay test %d passed\n", 0);
@@ -1687,28 +2049,58 @@ static void __init of_unittest_overlay_0(void)
/* test deactivation of device */
static void __init of_unittest_overlay_1(void)
{
+ int ret;
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest1/status");
+
/* device should disable */
- if (of_unittest_apply_overlay_check(1, 1, 1, 0, PDEV_OVERLAY))
+ ret = of_unittest_apply_overlay_check(1, 1, 1, 0, PDEV_OVERLAY);
+
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest1/status");
+
+ if (ret)
return;
unittest(1, "overlay test %d passed\n", 1);
+
}
/* test activation of device */
static void __init of_unittest_overlay_2(void)
{
+ int ret;
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest2/status");
+
/* device should enable */
- if (of_unittest_apply_overlay_check(2, 2, 0, 1, PDEV_OVERLAY))
- return;
+ ret = of_unittest_apply_overlay_check(2, 2, 0, 1, PDEV_OVERLAY);
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest2/status");
+
+ if (ret)
+ return;
unittest(1, "overlay test %d passed\n", 2);
}
/* test deactivation of device */
static void __init of_unittest_overlay_3(void)
{
+ int ret;
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest3/status");
+
/* device should disable */
- if (of_unittest_apply_overlay_check(3, 3, 1, 0, PDEV_OVERLAY))
+ ret = of_unittest_apply_overlay_check(3, 3, 1, 0, PDEV_OVERLAY);
+
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest3/status");
+
+ if (ret)
return;
unittest(1, "overlay test %d passed\n", 3);
@@ -1727,8 +2119,18 @@ static void __init of_unittest_overlay_4(void)
/* test overlay apply/revert sequence */
static void __init of_unittest_overlay_5(void)
{
+ int ret;
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest5/status");
+
/* device should disable */
- if (of_unittest_apply_revert_overlay_check(5, 5, 0, 1, PDEV_OVERLAY))
+ ret = of_unittest_apply_revert_overlay_check(5, 5, 0, 1, PDEV_OVERLAY);
+
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest5/status");
+
+ if (ret)
return;
unittest(1, "overlay test %d passed\n", 5);
@@ -1742,6 +2144,8 @@ static void __init of_unittest_overlay_6(void)
int before = 0, after = 1;
const char *overlay_name;
+ int ret;
+
/* unittest device must be in before state */
for (i = 0; i < 2; i++) {
if (of_unittest_device_exists(unittest_nr + i, PDEV_OVERLAY)
@@ -1756,18 +2160,41 @@ static void __init of_unittest_overlay_6(void)
}
/* apply the overlays */
- for (i = 0; i < 2; i++) {
- overlay_name = overlay_name_from_nr(overlay_nr + i);
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest6/status");
+
+ overlay_name = overlay_name_from_nr(overlay_nr + 0);
+
+ ret = overlay_data_apply(overlay_name, &ovcs_id);
- if (!overlay_data_apply(overlay_name, &ovcs_id)) {
- unittest(0, "could not apply overlay \"%s\"\n",
- overlay_name);
+ if (!ret) {
+ unittest(0, "could not apply overlay \"%s\"\n", overlay_name);
+ return;
+ }
+ ov_id[0] = ovcs_id;
+ of_unittest_track_overlay(ov_id[0]);
+
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest6/status");
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest7/status");
+
+ overlay_name = overlay_name_from_nr(overlay_nr + 1);
+
+ ret = overlay_data_apply(overlay_name, &ovcs_id);
+
+ if (!ret) {
+ unittest(0, "could not apply overlay \"%s\"\n", overlay_name);
return;
- }
- ov_id[i] = ovcs_id;
- of_unittest_track_overlay(ov_id[i]);
}
+ ov_id[1] = ovcs_id;
+ of_unittest_track_overlay(ov_id[1]);
+
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest7/status");
+
for (i = 0; i < 2; i++) {
/* unittest device must be in after state */
@@ -1808,6 +2235,7 @@ static void __init of_unittest_overlay_6(void)
}
unittest(1, "overlay test %d passed\n", 6);
+
}
/* test overlay application in sequence */
@@ -1816,26 +2244,65 @@ static void __init of_unittest_overlay_8(void)
int i, ov_id[2], ovcs_id;
int overlay_nr = 8, unittest_nr = 8;
const char *overlay_name;
+ int ret;
/* we don't care about device state in this test */
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/status");
+
+ overlay_name = overlay_name_from_nr(overlay_nr + 0);
+
+ ret = overlay_data_apply(overlay_name, &ovcs_id);
+ if (!ret)
+ unittest(0, "could not apply overlay \"%s\"\n", overlay_name);
+
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/status");
+
+ if (!ret)
+ return;
+
+ ov_id[0] = ovcs_id;
+ of_unittest_track_overlay(ov_id[0]);
+
+ overlay_name = overlay_name_from_nr(overlay_nr + 1);
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/property-foo");
+
/* apply the overlays */
- for (i = 0; i < 2; i++) {
+ ret = overlay_data_apply(overlay_name, &ovcs_id);
- overlay_name = overlay_name_from_nr(overlay_nr + i);
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/property-foo");
- if (!overlay_data_apply(overlay_name, &ovcs_id)) {
- unittest(0, "could not apply overlay \"%s\"\n",
- overlay_name);
- return;
- }
- ov_id[i] = ovcs_id;
- of_unittest_track_overlay(ov_id[i]);
+ if (!ret) {
+ unittest(0, "could not apply overlay \"%s\"\n", overlay_name);
+ return;
}
+ ov_id[1] = ovcs_id;
+ of_unittest_track_overlay(ov_id[1]);
+
/* now try to remove first overlay (it should fail) */
ovcs_id = ov_id[0];
- if (!of_overlay_remove(&ovcs_id)) {
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: node_overlaps_later_cs: #6 overlaps with #7 @/testcase-data/overlay-node/test-bus/test-unittest8");
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: overlay #6 is not topmost");
+
+ ret = of_overlay_remove(&ovcs_id);
+
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: overlay #6 is not topmost");
+
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: node_overlaps_later_cs: #6 overlaps with #7 @/testcase-data/overlay-node/test-bus/test-unittest8");
+
+ if (!ret) {
unittest(0, "%s was destroyed @\"%s\"\n",
overlay_name_from_nr(overlay_nr + 0),
unittest_path(unittest_nr,
@@ -1867,6 +2334,7 @@ static void __init of_unittest_overlay_10(void)
/* device should disable */
ret = of_unittest_apply_overlay_check(10, 10, 0, 1, PDEV_OVERLAY);
+
if (unittest(ret == 0,
"overlay test %d failed; overlay application\n", 10))
return;
@@ -1890,6 +2358,7 @@ static void __init of_unittest_overlay_11(void)
/* device should disable */
ret = of_unittest_apply_revert_overlay_check(11, 11, 0, 1,
PDEV_OVERLAY);
+
unittest(ret == 0, "overlay test %d failed; overlay apply\n", 11);
}
@@ -2120,12 +2589,21 @@ static int of_unittest_overlay_i2c_init(void)
return ret;
ret = platform_driver_register(&unittest_i2c_bus_driver);
+
if (unittest(ret == 0,
"could not register unittest i2c bus driver\n"))
return ret;
#if IS_BUILTIN(CONFIG_I2C_MUX)
+
+ EXPECT_BEGIN(KERN_INFO,
+ "i2c i2c-1: Added multiplexed i2c bus 2");
+
ret = i2c_add_driver(&unittest_i2c_mux_driver);
+
+ EXPECT_END(KERN_INFO,
+ "i2c i2c-1: Added multiplexed i2c bus 2");
+
if (unittest(ret == 0,
"could not register unittest i2c mux driver\n"))
return ret;
@@ -2145,8 +2623,18 @@ static void of_unittest_overlay_i2c_cleanup(void)
static void __init of_unittest_overlay_i2c_12(void)
{
+ int ret;
+
/* device should enable */
- if (of_unittest_apply_overlay_check(12, 12, 0, 1, I2C_OVERLAY))
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest12/status");
+
+ ret = of_unittest_apply_overlay_check(12, 12, 0, 1, I2C_OVERLAY);
+
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest12/status");
+
+ if (ret)
return;
unittest(1, "overlay test %d passed\n", 12);
@@ -2155,8 +2643,18 @@ static void __init of_unittest_overlay_i2c_12(void)
/* test deactivation of device */
static void __init of_unittest_overlay_i2c_13(void)
{
+ int ret;
+
+ EXPECT_BEGIN(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest13/status");
+
/* device should disable */
- if (of_unittest_apply_overlay_check(13, 13, 1, 0, I2C_OVERLAY))
+ ret = of_unittest_apply_overlay_check(13, 13, 1, 0, I2C_OVERLAY);
+
+ EXPECT_END(KERN_INFO,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest13/status");
+
+ if (ret)
return;
unittest(1, "overlay test %d passed\n", 13);
@@ -2169,8 +2667,18 @@ static void of_unittest_overlay_i2c_14(void)
static void __init of_unittest_overlay_i2c_15(void)
{
+ int ret;
+
/* device should enable */
- if (of_unittest_apply_overlay_check(15, 15, 0, 1, I2C_OVERLAY))
+ EXPECT_BEGIN(KERN_INFO,
+ "i2c i2c-1: Added multiplexed i2c bus 3");
+
+ ret = of_unittest_apply_overlay_check(15, 15, 0, 1, I2C_OVERLAY);
+
+ EXPECT_END(KERN_INFO,
+ "i2c i2c-1: Added multiplexed i2c bus 3");
+
+ if (ret)
return;
unittest(1, "overlay test %d passed\n", 15);
@@ -2242,6 +2750,8 @@ static void __init of_unittest_overlay(void)
of_unittest_overlay_i2c_cleanup();
#endif
+ of_unittest_overlay_gpio();
+
of_unittest_destroy_tracked_overlays();
out:
@@ -2295,6 +2805,12 @@ OVERLAY_INFO_EXTERN(overlay_11);
OVERLAY_INFO_EXTERN(overlay_12);
OVERLAY_INFO_EXTERN(overlay_13);
OVERLAY_INFO_EXTERN(overlay_15);
+OVERLAY_INFO_EXTERN(overlay_gpio_01);
+OVERLAY_INFO_EXTERN(overlay_gpio_02a);
+OVERLAY_INFO_EXTERN(overlay_gpio_02b);
+OVERLAY_INFO_EXTERN(overlay_gpio_03);
+OVERLAY_INFO_EXTERN(overlay_gpio_04a);
+OVERLAY_INFO_EXTERN(overlay_gpio_04b);
OVERLAY_INFO_EXTERN(overlay_bad_add_dup_node);
OVERLAY_INFO_EXTERN(overlay_bad_add_dup_prop);
OVERLAY_INFO_EXTERN(overlay_bad_phandle);
@@ -2319,6 +2835,12 @@ static struct overlay_info overlays[] = {
OVERLAY_INFO(overlay_12, 0),
OVERLAY_INFO(overlay_13, 0),
OVERLAY_INFO(overlay_15, 0),
+ OVERLAY_INFO(overlay_gpio_01, 0),
+ OVERLAY_INFO(overlay_gpio_02a, 0),
+ OVERLAY_INFO(overlay_gpio_02b, 0),
+ OVERLAY_INFO(overlay_gpio_03, 0),
+ OVERLAY_INFO(overlay_gpio_04a, 0),
+ OVERLAY_INFO(overlay_gpio_04b, 0),
OVERLAY_INFO(overlay_bad_add_dup_node, -EINVAL),
OVERLAY_INFO(overlay_bad_add_dup_prop, -EINVAL),
OVERLAY_INFO(overlay_bad_phandle, -EINVAL),
@@ -2470,6 +2992,7 @@ static __init void of_unittest_overlay_high_level(void)
struct device_node *overlay_base_symbols;
struct device_node **pprev;
struct property *prop;
+ int ret;
if (!overlay_base_root) {
unittest(0, "overlay_base_root not initialized\n");
@@ -2584,15 +3107,86 @@ static __init void of_unittest_overlay_high_level(void)
/* now do the normal overlay usage test */
- unittest(overlay_data_apply("overlay", NULL),
- "Adding overlay 'overlay' failed\n");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/status");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/status");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@30/incline-up");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@40/incline-up");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/status");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/color");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/rate");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/hvac_2");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_left");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_right");
+
+ ret = overlay_data_apply("overlay", NULL);
+
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_right");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_left");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/hvac_2");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/rate");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/color");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/status");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@40/incline-up");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@30/incline-up");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/status");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/status");
+
+ unittest(ret, "Adding overlay 'overlay' failed\n");
+
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: ERROR: multiple fragments add and/or delete node /testcase-data-2/substation@100/motor-1/controller");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/controller/name");
unittest(overlay_data_apply("overlay_bad_add_dup_node", NULL),
"Adding overlay 'overlay_bad_add_dup_node' failed\n");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/controller/name");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: ERROR: multiple fragments add and/or delete node /testcase-data-2/substation@100/motor-1/controller");
+
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/motor-1/rpm_avail");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/motor-1/rpm_avail");
+ EXPECT_BEGIN(KERN_ERR,
+ "OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/rpm_avail");
+
unittest(overlay_data_apply("overlay_bad_add_dup_prop", NULL),
"Adding overlay 'overlay_bad_add_dup_prop' failed\n");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/rpm_avail");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/motor-1/rpm_avail");
+ EXPECT_END(KERN_ERR,
+ "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/motor-1/rpm_avail");
+
unittest(overlay_data_apply("overlay_bad_phandle", NULL),
"Adding overlay 'overlay_bad_phandle' failed\n");
@@ -2616,6 +3210,8 @@ static int __init of_unittest(void)
struct device_node *np;
int res;
+ pr_info("start of unittest - you will see error messages\n");
+
/* adding data for unittest */
if (IS_ENABLED(CONFIG_UML))
@@ -2634,7 +3230,6 @@ static int __init of_unittest(void)
}
of_node_put(np);
- pr_info("start of unittest - you will see error messages\n");
of_unittest_check_tree_linkage();
of_unittest_check_phandles();
of_unittest_find_node_by_name();