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27c355f8a4
Add missing patches that broke LEDE builder while updating WDT driver Signed-off-by: Pavel Kubelun <be.dissent@gmail.com>
96 lines
2.8 KiB
Diff
96 lines
2.8 KiB
Diff
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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