diff options
Diffstat (limited to 'package/kernel/mac80211/patches/904-wlcore-add-initial-device-tree-support-to-the-sdio-module.patch')
-rw-r--r-- | package/kernel/mac80211/patches/904-wlcore-add-initial-device-tree-support-to-the-sdio-module.patch | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/package/kernel/mac80211/patches/904-wlcore-add-initial-device-tree-support-to-the-sdio-module.patch b/package/kernel/mac80211/patches/904-wlcore-add-initial-device-tree-support-to-the-sdio-module.patch deleted file mode 100644 index 9e1d190..0000000 --- a/package/kernel/mac80211/patches/904-wlcore-add-initial-device-tree-support-to-the-sdio-module.patch +++ /dev/null @@ -1,118 +0,0 @@ -If platform data is not available, try to get the required information -from the device tree. Register an OF match table and parse the -appropriate device tree nodes. - -Parse interrupt property only, for now. - -Signed-off-by: Luciano Coelho <coelho@ti.com> -Reviewed-by: Felipe Balbi <balbi@ti.com> - ---- a/drivers/net/wireless/ti/wlcore/sdio.c -+++ b/drivers/net/wireless/ti/wlcore/sdio.c -@@ -30,7 +30,7 @@ - #include <linux/mmc/sdio_ids.h> - #include <linux/mmc/card.h> - #include <linux/mmc/host.h> --#include <linux/gpio.h> -+#include <linux/of_irq.h> - #include <linux/wl12xx.h> - #include <linux/pm_runtime.h> - #include <linux/printk.h> -@@ -214,6 +214,43 @@ static struct wl1271_if_operations sdio_ - .set_block_size = wl1271_sdio_set_block_size, - }; - -+static struct wl12xx_platform_data *wlcore_get_pdata_from_of(struct device *dev) -+{ -+ struct wl12xx_platform_data *pdata; -+ struct device_node *np = dev->of_node; -+ -+ if (!np) { -+ np = of_find_matching_node(NULL, dev->driver->of_match_table); -+ if (!np) { -+ dev_notice(dev, "device tree node not available\n"); -+ pdata = ERR_PTR(-ENODEV); -+ goto out; -+ } -+ } -+ -+ pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); -+ if (!pdata) { -+ dev_err(dev, "can't allocate platform data\n"); -+ pdata = ERR_PTR(-ENODEV); -+ goto out; -+ } -+ -+ pdata->irq = irq_of_parse_and_map(np, 0); -+ if (pdata->irq < 0) { -+ dev_err(dev, "can't get interrupt gpio from the device tree\n"); -+ goto out_free; -+ } -+ -+ goto out; -+ -+out_free: -+ kfree(pdata); -+ pdata = ERR_PTR(-ENODEV); -+ -+out: -+ return pdata; -+} -+ - static int wl1271_probe(struct sdio_func *func, - const struct sdio_device_id *id) - { -@@ -248,11 +285,22 @@ static int wl1271_probe(struct sdio_func - /* Use block mode for transferring over one block size of data */ - func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; - -+ /* The pdata allocated here is freed when the device is freed, -+ * so we don't need an additional out label to free it in case -+ * of error further on. -+ */ -+ -+ /* Try to get legacy platform data from the board file */ - pdev_data->pdata = wl12xx_get_platform_data(); - if (IS_ERR(pdev_data->pdata)) { -- ret = PTR_ERR(pdev_data->pdata); -- dev_err(glue->dev, "missing wlan platform data: %d\n", ret); -- goto out_free_glue; -+ dev_info(&func->dev, -+ "legacy platform data not found, trying device tree\n"); -+ -+ pdev_data->pdata = wlcore_get_pdata_from_of(&func->dev); -+ if (IS_ERR(pdev_data->pdata)) { -+ dev_err(&func->dev, "can't get platform data\n"); -+ goto out_free_glue; -+ } - } - - /* if sdio can keep power while host is suspended, enable wow */ -@@ -386,16 +434,25 @@ static const struct dev_pm_ops wl1271_sd - }; - #endif - -+static const struct of_device_id wlcore_sdio_of_match_table[] = { -+ { .compatible = "ti,wilink6" }, -+ { .compatible = "ti,wilink7" }, -+ { .compatible = "ti,wilink8" }, -+ { } -+}; -+MODULE_DEVICE_TABLE(of, wlcore_sdio_of_match_table); -+ - static struct sdio_driver wl1271_sdio_driver = { - .name = "wl1271_sdio", - .id_table = wl1271_devices, - .probe = wl1271_probe, - .remove = wl1271_remove, --#ifdef CONFIG_PM - .drv = { -+#ifdef CONFIG_PM - .pm = &wl1271_sdio_pm_ops, -- }, - #endif -+ .of_match_table = of_match_ptr(wlcore_sdio_of_match_table), -+ }, - }; - - static int __init wl1271_init(void) |