diff options
Diffstat (limited to 'target/linux/bcm47xx/patches-5.10/106-v5.18-mtd-rawnand-brcmnand-Allow-platform-data-instantation.patch')
| -rw-r--r-- | target/linux/bcm47xx/patches-5.10/106-v5.18-mtd-rawnand-brcmnand-Allow-platform-data-instantation.patch | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/target/linux/bcm47xx/patches-5.10/106-v5.18-mtd-rawnand-brcmnand-Allow-platform-data-instantation.patch b/target/linux/bcm47xx/patches-5.10/106-v5.18-mtd-rawnand-brcmnand-Allow-platform-data-instantation.patch deleted file mode 100644 index fb9ee07d04..0000000000 --- a/target/linux/bcm47xx/patches-5.10/106-v5.18-mtd-rawnand-brcmnand-Allow-platform-data-instantation.patch +++ /dev/null @@ -1,124 +0,0 @@ -From: Florian Fainelli <f.fainelli@gmail.com> -Subject: [PATCH v3 7/9] mtd: rawnand: brcmnand: Allow platform data instantation -Date: Fri, 07 Jan 2022 10:46:12 -0800 -Content-Type: text/plain; charset="utf-8" - -Make use of the recently refactored code in brcmnand_init_cs() and -derive the chip-select from the platform data that is supplied. Update -the various code paths to avoid relying on possibly non-existent -resources, too. - -Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> ---- - drivers/mtd/nand/raw/brcmnand/brcmnand.c | 45 ++++++++++++++++++------ - 1 file changed, 35 insertions(+), 10 deletions(-) - ---- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c -+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c -@@ -9,6 +9,7 @@ - #include <linux/delay.h> - #include <linux/device.h> - #include <linux/platform_device.h> -+#include <linux/platform_data/brcmnand.h> - #include <linux/err.h> - #include <linux/completion.h> - #include <linux/interrupt.h> -@@ -2719,7 +2720,8 @@ static const struct nand_controller_ops - .attach_chip = brcmnand_attach_chip, - }; - --static int brcmnand_init_cs(struct brcmnand_host *host) -+static int brcmnand_init_cs(struct brcmnand_host *host, -+ const char * const *part_probe_types) - { - struct brcmnand_controller *ctrl = host->ctrl; - struct device *dev = ctrl->dev; -@@ -2772,7 +2774,7 @@ static int brcmnand_init_cs(struct brcmn - if (ret) - return ret; - -- ret = mtd_device_register(mtd, NULL, 0); -+ ret = mtd_device_parse_register(mtd, part_probe_types, NULL, NULL, 0); - if (ret) - nand_cleanup(chip); - -@@ -2941,17 +2943,15 @@ static int brcmnand_edu_setup(struct pla - - int brcmnand_probe(struct platform_device *pdev, struct brcmnand_soc *soc) - { -+ struct brcmnand_platform_data *pd = dev_get_platdata(&pdev->dev); - struct device *dev = &pdev->dev; - struct device_node *dn = dev->of_node, *child; - struct brcmnand_controller *ctrl; -+ struct brcmnand_host *host; - struct resource *res; - int ret; - -- /* We only support device-tree instantiation */ -- if (!dn) -- return -ENODEV; -- -- if (!of_match_node(brcmnand_of_match, dn)) -+ if (dn && !of_match_node(brcmnand_of_match, dn)) - return -ENODEV; - - ctrl = devm_kzalloc(dev, sizeof(*ctrl), GFP_KERNEL); -@@ -2978,7 +2978,7 @@ int brcmnand_probe(struct platform_devic - /* NAND register range */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ctrl->nand_base = devm_ioremap_resource(dev, res); -- if (IS_ERR(ctrl->nand_base)) -+ if (IS_ERR(ctrl->nand_base) && !brcmnand_soc_has_ops(soc)) - return PTR_ERR(ctrl->nand_base); - - /* Enable clock before using NAND registers */ -@@ -3122,7 +3122,6 @@ int brcmnand_probe(struct platform_devic - - for_each_available_child_of_node(dn, child) { - if (of_device_is_compatible(child, "brcm,nandcs")) { -- struct brcmnand_host *host; - - host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL); - if (!host) { -@@ -3142,7 +3141,7 @@ int brcmnand_probe(struct platform_devic - - nand_set_flash_node(&host->chip, child); - -- ret = brcmnand_init_cs(host); -+ ret = brcmnand_init_cs(host, NULL); - if (ret) { - devm_kfree(dev, host); - continue; /* Try all chip-selects */ -@@ -3152,6 +3151,32 @@ int brcmnand_probe(struct platform_devic - } - } - -+ if (!list_empty(&ctrl->host_list)) -+ return 0; -+ -+ if (!pd) { -+ ret = -ENODEV; -+ goto err; -+ } -+ -+ /* If we got there we must have been probing via platform data */ -+ host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL); -+ if (!host) { -+ ret = -ENOMEM; -+ goto err; -+ } -+ host->pdev = pdev; -+ host->ctrl = ctrl; -+ host->cs = pd->chip_select; -+ host->chip.ecc.size = pd->ecc_stepsize; -+ host->chip.ecc.strength = pd->ecc_strength; -+ -+ ret = brcmnand_init_cs(host, pd->part_probe_types); -+ if (ret) -+ goto err; -+ -+ list_add_tail(&host->node, &ctrl->host_list); -+ - /* No chip-selects could initialize properly */ - if (list_empty(&ctrl->host_list)) { - ret = -ENODEV; |