mirror of https://github.com/hak5/openwrt.git
ipq806x: fix build errors
Add missing patches that broke LEDE builder while updating WDT driver Signed-off-by: Pavel Kubelun <be.dissent@gmail.com>lede-17.01
Pavel Kubelun
Mathias Kresin
parent
369317ce48
commit
27c355f8a4
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@ -0,0 +1,95 @@
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From 3b8d058cfe6a3b14abee324f4c4b33e64bf61aeb Mon Sep 17 00:00:00 2001
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From: Guenter Roeck <linux@roeck-us.net>
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Date: Fri, 25 Dec 2015 16:01:45 -0800
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Subject: hwmon: (sch56xx) Drop watchdog driver data reference count callbacks
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Reference counting is now implemented in the watchdog core and no longer
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required in watchdog drivers.
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Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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---
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drivers/hwmon/sch56xx-common.c | 31 +------------------------------
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1 file changed, 1 insertion(+), 30 deletions(-)
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--- a/drivers/hwmon/sch56xx-common.c
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+++ b/drivers/hwmon/sch56xx-common.c
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@@ -30,7 +30,6 @@
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#include <linux/watchdog.h>
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#include <linux/miscdevice.h>
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#include <linux/uaccess.h>
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-#include <linux/kref.h>
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#include <linux/slab.h>
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#include "sch56xx-common.h"
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@@ -67,7 +66,6 @@ MODULE_PARM_DESC(nowayout, "Watchdog can
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struct sch56xx_watchdog_data {
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u16 addr;
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struct mutex *io_lock;
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- struct kref kref;
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struct watchdog_info wdinfo;
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struct watchdog_device wddev;
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u8 watchdog_preset;
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@@ -258,15 +256,6 @@ EXPORT_SYMBOL(sch56xx_read_virtual_reg12
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* Watchdog routines
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*/
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-/* Release our data struct when we're unregistered *and*
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- all references to our watchdog device are released */
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-static void watchdog_release_resources(struct kref *r)
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-{
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- struct sch56xx_watchdog_data *data =
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- container_of(r, struct sch56xx_watchdog_data, kref);
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- kfree(data);
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-}
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-
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static int watchdog_set_timeout(struct watchdog_device *wddev,
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unsigned int timeout)
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{
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@@ -395,28 +384,12 @@ static int watchdog_stop(struct watchdog
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return 0;
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}
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-static void watchdog_ref(struct watchdog_device *wddev)
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-{
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- struct sch56xx_watchdog_data *data = watchdog_get_drvdata(wddev);
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-
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- kref_get(&data->kref);
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-}
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-
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-static void watchdog_unref(struct watchdog_device *wddev)
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-{
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- struct sch56xx_watchdog_data *data = watchdog_get_drvdata(wddev);
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-
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- kref_put(&data->kref, watchdog_release_resources);
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-}
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-
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static const struct watchdog_ops watchdog_ops = {
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.owner = THIS_MODULE,
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.start = watchdog_start,
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.stop = watchdog_stop,
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.ping = watchdog_trigger,
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.set_timeout = watchdog_set_timeout,
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- .ref = watchdog_ref,
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- .unref = watchdog_unref,
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};
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struct sch56xx_watchdog_data *sch56xx_watchdog_register(struct device *parent,
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@@ -448,7 +421,6 @@ struct sch56xx_watchdog_data *sch56xx_wa
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data->addr = addr;
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data->io_lock = io_lock;
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- kref_init(&data->kref);
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strlcpy(data->wdinfo.identity, "sch56xx watchdog",
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sizeof(data->wdinfo.identity));
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@@ -494,8 +466,7 @@ EXPORT_SYMBOL(sch56xx_watchdog_register)
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void sch56xx_watchdog_unregister(struct sch56xx_watchdog_data *data)
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{
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watchdog_unregister_device(&data->wddev);
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- kref_put(&data->kref, watchdog_release_resources);
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- /* Don't touch data after this it may have been free-ed! */
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+ kfree(data);
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}
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EXPORT_SYMBOL(sch56xx_watchdog_unregister);
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@ -0,0 +1,87 @@
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From 756d1e9247dff6d416b0c9e073247f5e808bb5fa Mon Sep 17 00:00:00 2001
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From: Guenter Roeck <linux@roeck-us.net>
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Date: Fri, 25 Dec 2015 16:01:43 -0800
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Subject: watchdog: da9052_wdt: Drop reference counting
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Reference counting is now implemented in the watchdog core and no longer
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required in watchdog drivers.
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Since it was implememented a no-op, and since the local memory is allocated
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with devm_kzalloc(), the reference counting code in the driver really did
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not really work anyway, and this patch effectively fixes a bug which could
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cause a crash on unloading if the watchdog device was still open.
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Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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---
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drivers/watchdog/da9052_wdt.c | 24 ------------------------
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1 file changed, 24 deletions(-)
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--- a/drivers/watchdog/da9052_wdt.c
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+++ b/drivers/watchdog/da9052_wdt.c
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@@ -31,7 +31,6 @@
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struct da9052_wdt_data {
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struct watchdog_device wdt;
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struct da9052 *da9052;
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- struct kref kref;
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unsigned long jpast;
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};
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@@ -51,10 +50,6 @@ static const struct {
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};
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-static void da9052_wdt_release_resources(struct kref *r)
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-{
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-}
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-
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static int da9052_wdt_set_timeout(struct watchdog_device *wdt_dev,
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unsigned int timeout)
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{
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@@ -104,20 +99,6 @@ static int da9052_wdt_set_timeout(struct
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return 0;
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}
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-static void da9052_wdt_ref(struct watchdog_device *wdt_dev)
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-{
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- struct da9052_wdt_data *driver_data = watchdog_get_drvdata(wdt_dev);
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-
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- kref_get(&driver_data->kref);
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-}
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-
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-static void da9052_wdt_unref(struct watchdog_device *wdt_dev)
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-{
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- struct da9052_wdt_data *driver_data = watchdog_get_drvdata(wdt_dev);
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-
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- kref_put(&driver_data->kref, da9052_wdt_release_resources);
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-}
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-
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static int da9052_wdt_start(struct watchdog_device *wdt_dev)
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{
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return da9052_wdt_set_timeout(wdt_dev, wdt_dev->timeout);
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@@ -170,8 +151,6 @@ static const struct watchdog_ops da9052_
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.stop = da9052_wdt_stop,
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.ping = da9052_wdt_ping,
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.set_timeout = da9052_wdt_set_timeout,
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- .ref = da9052_wdt_ref,
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- .unref = da9052_wdt_unref,
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};
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@@ -198,8 +177,6 @@ static int da9052_wdt_probe(struct platf
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da9052_wdt->parent = &pdev->dev;
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watchdog_set_drvdata(da9052_wdt, driver_data);
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- kref_init(&driver_data->kref);
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-
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ret = da9052_reg_update(da9052, DA9052_CONTROL_D_REG,
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DA9052_CONTROLD_TWDSCALE, 0);
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if (ret < 0) {
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@@ -225,7 +202,6 @@ static int da9052_wdt_remove(struct plat
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struct da9052_wdt_data *driver_data = platform_get_drvdata(pdev);
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watchdog_unregister_device(&driver_data->wdt);
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- kref_put(&driver_data->kref, da9052_wdt_release_resources);
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return 0;
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}
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@ -0,0 +1,80 @@
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From 43f676ace2e0591718ff493d290bc49b35ec2ffc Mon Sep 17 00:00:00 2001
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From: Guenter Roeck <linux@roeck-us.net>
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Date: Fri, 25 Dec 2015 16:01:44 -0800
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Subject: watchdog: da9055_wdt: Drop reference counting
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Reference counting is now implemented in the watchdog core and no longer
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required in watchdog drivers.
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Since it was implememented a no-op, and since the local memory is allocated
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with devm_kzalloc(), the reference counting code in the driver really did
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not really work anyway, and this patch effectively fixes a bug which could
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cause a crash on unloading if the watchdog device was still open.
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Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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---
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drivers/watchdog/da9055_wdt.c | 24 ------------------------
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1 file changed, 24 deletions(-)
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--- a/drivers/watchdog/da9055_wdt.c
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+++ b/drivers/watchdog/da9055_wdt.c
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@@ -35,7 +35,6 @@ MODULE_PARM_DESC(nowayout,
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struct da9055_wdt_data {
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struct watchdog_device wdt;
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struct da9055 *da9055;
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- struct kref kref;
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};
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static const struct {
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@@ -99,24 +98,6 @@ static int da9055_wdt_ping(struct watchd
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DA9055_WATCHDOG_MASK, 1);
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}
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-static void da9055_wdt_release_resources(struct kref *r)
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-{
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-}
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-
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-static void da9055_wdt_ref(struct watchdog_device *wdt_dev)
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-{
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- struct da9055_wdt_data *driver_data = watchdog_get_drvdata(wdt_dev);
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-
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- kref_get(&driver_data->kref);
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-}
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-
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-static void da9055_wdt_unref(struct watchdog_device *wdt_dev)
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-{
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- struct da9055_wdt_data *driver_data = watchdog_get_drvdata(wdt_dev);
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-
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- kref_put(&driver_data->kref, da9055_wdt_release_resources);
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-}
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-
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static int da9055_wdt_start(struct watchdog_device *wdt_dev)
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{
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return da9055_wdt_set_timeout(wdt_dev, wdt_dev->timeout);
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@@ -138,8 +119,6 @@ static const struct watchdog_ops da9055_
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.stop = da9055_wdt_stop,
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.ping = da9055_wdt_ping,
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.set_timeout = da9055_wdt_set_timeout,
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- .ref = da9055_wdt_ref,
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- .unref = da9055_wdt_unref,
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};
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static int da9055_wdt_probe(struct platform_device *pdev)
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@@ -165,8 +144,6 @@ static int da9055_wdt_probe(struct platf
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watchdog_set_nowayout(da9055_wdt, nowayout);
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watchdog_set_drvdata(da9055_wdt, driver_data);
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- kref_init(&driver_data->kref);
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-
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ret = da9055_wdt_stop(da9055_wdt);
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if (ret < 0) {
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dev_err(&pdev->dev, "Failed to stop watchdog, %d\n", ret);
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@@ -189,7 +166,6 @@ static int da9055_wdt_remove(struct plat
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struct da9055_wdt_data *driver_data = platform_get_drvdata(pdev);
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watchdog_unregister_device(&driver_data->wdt);
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- kref_put(&driver_data->kref, da9055_wdt_release_resources);
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return 0;
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}
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