diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.4/011-2-fix-bld-errs-watchdog-da9052_wdt-Drop-reference-counting.patch')
-rw-r--r-- | target/linux/ipq806x/patches-4.4/011-2-fix-bld-errs-watchdog-da9052_wdt-Drop-reference-counting.patch | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/target/linux/ipq806x/patches-4.4/011-2-fix-bld-errs-watchdog-da9052_wdt-Drop-reference-counting.patch b/target/linux/ipq806x/patches-4.4/011-2-fix-bld-errs-watchdog-da9052_wdt-Drop-reference-counting.patch deleted file mode 100644 index 501bd13636..0000000000 --- a/target/linux/ipq806x/patches-4.4/011-2-fix-bld-errs-watchdog-da9052_wdt-Drop-reference-counting.patch +++ /dev/null @@ -1,87 +0,0 @@ -From 756d1e9247dff6d416b0c9e073247f5e808bb5fa Mon Sep 17 00:00:00 2001 -From: Guenter Roeck <linux@roeck-us.net> -Date: Fri, 25 Dec 2015 16:01:43 -0800 -Subject: watchdog: da9052_wdt: Drop reference counting - -Reference counting is now implemented in the watchdog core and no longer -required in watchdog drivers. - -Since it was implememented a no-op, and since the local memory is allocated -with devm_kzalloc(), the reference counting code in the driver really did -not really work anyway, and this patch effectively fixes a bug which could -cause a crash on unloading if the watchdog device was still open. - -Signed-off-by: Guenter Roeck <linux@roeck-us.net> -Signed-off-by: Wim Van Sebroeck <wim@iguana.be> ---- - drivers/watchdog/da9052_wdt.c | 24 ------------------------ - 1 file changed, 24 deletions(-) - ---- a/drivers/watchdog/da9052_wdt.c -+++ b/drivers/watchdog/da9052_wdt.c -@@ -31,7 +31,6 @@ - struct da9052_wdt_data { - struct watchdog_device wdt; - struct da9052 *da9052; -- struct kref kref; - unsigned long jpast; - }; - -@@ -51,10 +50,6 @@ static const struct { - }; - - --static void da9052_wdt_release_resources(struct kref *r) --{ --} -- - static int da9052_wdt_set_timeout(struct watchdog_device *wdt_dev, - unsigned int timeout) - { -@@ -104,20 +99,6 @@ static int da9052_wdt_set_timeout(struct - return 0; - } - --static void da9052_wdt_ref(struct watchdog_device *wdt_dev) --{ -- struct da9052_wdt_data *driver_data = watchdog_get_drvdata(wdt_dev); -- -- kref_get(&driver_data->kref); --} -- --static void da9052_wdt_unref(struct watchdog_device *wdt_dev) --{ -- struct da9052_wdt_data *driver_data = watchdog_get_drvdata(wdt_dev); -- -- kref_put(&driver_data->kref, da9052_wdt_release_resources); --} -- - static int da9052_wdt_start(struct watchdog_device *wdt_dev) - { - return da9052_wdt_set_timeout(wdt_dev, wdt_dev->timeout); -@@ -170,8 +151,6 @@ static const struct watchdog_ops da9052_ - .stop = da9052_wdt_stop, - .ping = da9052_wdt_ping, - .set_timeout = da9052_wdt_set_timeout, -- .ref = da9052_wdt_ref, -- .unref = da9052_wdt_unref, - }; - - -@@ -198,8 +177,6 @@ static int da9052_wdt_probe(struct platf - da9052_wdt->parent = &pdev->dev; - watchdog_set_drvdata(da9052_wdt, driver_data); - -- kref_init(&driver_data->kref); -- - ret = da9052_reg_update(da9052, DA9052_CONTROL_D_REG, - DA9052_CONTROLD_TWDSCALE, 0); - if (ret < 0) { -@@ -225,7 +202,6 @@ static int da9052_wdt_remove(struct plat - struct da9052_wdt_data *driver_data = platform_get_drvdata(pdev); - - watchdog_unregister_device(&driver_data->wdt); -- kref_put(&driver_data->kref, da9052_wdt_release_resources); - - return 0; - } |