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| author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2023-04-17 14:51:58 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2023-05-02 14:06:47 +0200 |
| commit | 845be5523893e02d8b03f7aa6c4346005c13d377 (patch) | |
| tree | 1aa05af3593aad0e21be8ec608a4d30144d8a3d0 | |
| parent | 65e947456e0e45ae83cc935c136a2af8b99d220f (diff) | |
| download | barebox-845be5523893e02d8b03f7aa6c4346005c13d377.tar.gz | |
lib: genalloc: drop reliance on mmio-sram driver
The barebox mmio-sram driver just makes SRAMs available as /dev/sramX
devices. The genalloc stub depended on it without selecting CONFIG_SRAM.
Instead of making this dependency explicit, just call of_address_to_resource
and have no dependency on CONFIG_SRAM at all.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20230417125158.882170-1-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | lib/genalloc.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/genalloc.c b/lib/genalloc.c index 906e2dd5f1..2e9815c36b 100644 --- a/lib/genalloc.c +++ b/lib/genalloc.c @@ -12,6 +12,7 @@ #include <linux/genalloc.h> #include <linux/export.h> #include <of.h> +#include <of_address.h> #include <driver.h> #include <linux/string.h> @@ -98,8 +99,9 @@ EXPORT_SYMBOL(gen_pool_dma_zalloc); struct gen_pool *of_gen_pool_get(struct device_node *np, const char *propname, int index) { - struct device *dev; struct device_node *np_pool; + struct gen_pool gen_pool; + int ret; np_pool = of_parse_phandle(np, propname, index); if (!np_pool) @@ -108,11 +110,11 @@ struct gen_pool *of_gen_pool_get(struct device_node *np, if (!of_device_is_compatible(np_pool, "mmio-sram")) return NULL; - dev = of_find_device_by_node(np_pool); - if (!dev) + ret = of_address_to_resource(np_pool, 0, &gen_pool.res); + if (ret) return NULL; - return container_of(&dev->resource[0], struct gen_pool, res); + return memdup(&gen_pool, sizeof(gen_pool)); } EXPORT_SYMBOL_GPL(of_gen_pool_get); #endif /* CONFIG_OF */ |