* [PATCH] mfd: ab8500-sysctrl: Drop ab8500_restart
@ 2014-10-09 16:18 ` Guenter Roeck
0 siblings, 0 replies; 6+ messages in thread
From: Guenter Roeck @ 2014-10-09 16:18 UTC (permalink / raw)
To: linux-kernel
Cc: linux-arm-kernel, Linus Walleij, Samuel Ortiz, Lee Jones, Guenter Roeck
ab8500_restart is not called from anywhere in the kernel, so drop it.
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
drivers/mfd/ab8500-sysctrl.c | 57 -------------------------------
include/linux/mfd/abx500/ab8500-sysctrl.h | 1 -
2 files changed, 58 deletions(-)
diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c
index 8e0dae5..94dbcdd 100644
--- a/drivers/mfd/ab8500-sysctrl.c
+++ b/drivers/mfd/ab8500-sysctrl.c
@@ -85,63 +85,6 @@ shutdown:
}
}
-/*
- * Use the AB WD to reset the platform. It will perform a hard
- * reset instead of a soft reset. Write the reset reason to
- * the AB before reset, which can be read upon restart.
- */
-void ab8500_restart(char mode, const char *cmd)
-{
- struct ab8500_platform_data *plat;
- struct ab8500_sysctrl_platform_data *pdata;
- u16 reason = 0;
- u8 val;
-
- if (sysctrl_dev == NULL) {
- pr_err("%s: sysctrl not initialized\n", __func__);
- return;
- }
-
- plat = dev_get_platdata(sysctrl_dev->parent);
- pdata = plat->sysctrl;
- if (pdata && pdata->reboot_reason_code)
- reason = pdata->reboot_reason_code(cmd);
- else
- pr_warn("[%s] No reboot reason set. Default reason %d\n",
- __func__, reason);
-
- /*
- * Disable RTC alarm, just a precaution so that no alarm
- * is running when WD reset is executed.
- */
- abx500_get_register_interruptible(sysctrl_dev, AB8500_RTC,
- RTC_CTRL , &val);
- abx500_set_register_interruptible(sysctrl_dev, AB8500_RTC,
- RTC_CTRL , (val & ~RTC_ALARM_ENABLE));
-
- /*
- * Android is not using the RTC alarm registers during reboot
- * so we borrow them for writing the reason of reset
- */
-
- /* reason[8 LSB] */
- val = reason & 0xFF;
- abx500_set_register_interruptible(sysctrl_dev, AB8500_RTC,
- AB8500_ALARM_MIN_LOW , val);
-
- /* reason[8 MSB] */
- val = (reason>>8) & 0xFF;
- abx500_set_register_interruptible(sysctrl_dev, AB8500_RTC,
- AB8500_ALARM_MIN_MID , val);
-
- /* Setting WD timeout to 0 */
- ab8500_sysctrl_write(AB8500_MAINWDOGTIMER, 0xFF, 0x0);
-
- /* Setting the parameters to AB8500 WD*/
- ab8500_sysctrl_write(AB8500_MAINWDOGCTRL, 0xFF, (AB8500_ENABLE_WD |
- AB8500_WD_RESTART_ON_EXPIRE | AB8500_KICK_WD));
-}
-
static inline bool valid_bank(u8 bank)
{
return ((bank == AB8500_SYS_CTRL1_BLOCK) ||
diff --git a/include/linux/mfd/abx500/ab8500-sysctrl.h b/include/linux/mfd/abx500/ab8500-sysctrl.h
index adba89d..6893127 100644
--- a/include/linux/mfd/abx500/ab8500-sysctrl.h
+++ b/include/linux/mfd/abx500/ab8500-sysctrl.h
@@ -12,7 +12,6 @@
int ab8500_sysctrl_read(u16 reg, u8 *value);
int ab8500_sysctrl_write(u16 reg, u8 mask, u8 value);
-void ab8500_restart(char mode, const char *cmd);
#else
--
1.9.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH] mfd: ab8500-sysctrl: Drop ab8500_restart
@ 2014-10-09 16:18 ` Guenter Roeck
0 siblings, 0 replies; 6+ messages in thread
From: Guenter Roeck @ 2014-10-09 16:18 UTC (permalink / raw)
To: linux-arm-kernel
ab8500_restart is not called from anywhere in the kernel, so drop it.
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
drivers/mfd/ab8500-sysctrl.c | 57 -------------------------------
include/linux/mfd/abx500/ab8500-sysctrl.h | 1 -
2 files changed, 58 deletions(-)
diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c
index 8e0dae5..94dbcdd 100644
--- a/drivers/mfd/ab8500-sysctrl.c
+++ b/drivers/mfd/ab8500-sysctrl.c
@@ -85,63 +85,6 @@ shutdown:
}
}
-/*
- * Use the AB WD to reset the platform. It will perform a hard
- * reset instead of a soft reset. Write the reset reason to
- * the AB before reset, which can be read upon restart.
- */
-void ab8500_restart(char mode, const char *cmd)
-{
- struct ab8500_platform_data *plat;
- struct ab8500_sysctrl_platform_data *pdata;
- u16 reason = 0;
- u8 val;
-
- if (sysctrl_dev == NULL) {
- pr_err("%s: sysctrl not initialized\n", __func__);
- return;
- }
-
- plat = dev_get_platdata(sysctrl_dev->parent);
- pdata = plat->sysctrl;
- if (pdata && pdata->reboot_reason_code)
- reason = pdata->reboot_reason_code(cmd);
- else
- pr_warn("[%s] No reboot reason set. Default reason %d\n",
- __func__, reason);
-
- /*
- * Disable RTC alarm, just a precaution so that no alarm
- * is running when WD reset is executed.
- */
- abx500_get_register_interruptible(sysctrl_dev, AB8500_RTC,
- RTC_CTRL , &val);
- abx500_set_register_interruptible(sysctrl_dev, AB8500_RTC,
- RTC_CTRL , (val & ~RTC_ALARM_ENABLE));
-
- /*
- * Android is not using the RTC alarm registers during reboot
- * so we borrow them for writing the reason of reset
- */
-
- /* reason[8 LSB] */
- val = reason & 0xFF;
- abx500_set_register_interruptible(sysctrl_dev, AB8500_RTC,
- AB8500_ALARM_MIN_LOW , val);
-
- /* reason[8 MSB] */
- val = (reason>>8) & 0xFF;
- abx500_set_register_interruptible(sysctrl_dev, AB8500_RTC,
- AB8500_ALARM_MIN_MID , val);
-
- /* Setting WD timeout to 0 */
- ab8500_sysctrl_write(AB8500_MAINWDOGTIMER, 0xFF, 0x0);
-
- /* Setting the parameters to AB8500 WD*/
- ab8500_sysctrl_write(AB8500_MAINWDOGCTRL, 0xFF, (AB8500_ENABLE_WD |
- AB8500_WD_RESTART_ON_EXPIRE | AB8500_KICK_WD));
-}
-
static inline bool valid_bank(u8 bank)
{
return ((bank == AB8500_SYS_CTRL1_BLOCK) ||
diff --git a/include/linux/mfd/abx500/ab8500-sysctrl.h b/include/linux/mfd/abx500/ab8500-sysctrl.h
index adba89d..6893127 100644
--- a/include/linux/mfd/abx500/ab8500-sysctrl.h
+++ b/include/linux/mfd/abx500/ab8500-sysctrl.h
@@ -12,7 +12,6 @@
int ab8500_sysctrl_read(u16 reg, u8 *value);
int ab8500_sysctrl_write(u16 reg, u8 mask, u8 value);
-void ab8500_restart(char mode, const char *cmd);
#else
--
1.9.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH] mfd: ab8500-sysctrl: Drop ab8500_restart
2014-10-09 16:18 ` Guenter Roeck
@ 2014-10-27 16:03 ` Linus Walleij
-1 siblings, 0 replies; 6+ messages in thread
From: Linus Walleij @ 2014-10-27 16:03 UTC (permalink / raw)
To: Guenter Roeck; +Cc: linux-kernel, linux-arm-kernel, Samuel Ortiz, Lee Jones
On Thu, Oct 9, 2014 at 6:18 PM, Guenter Roeck <linux@roeck-us.net> wrote:
> ab8500_restart is not called from anywhere in the kernel, so drop it.
>
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Yeah I guess... cannot argue with that.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Yours,
Linus Walleij
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH] mfd: ab8500-sysctrl: Drop ab8500_restart
@ 2014-10-27 16:03 ` Linus Walleij
0 siblings, 0 replies; 6+ messages in thread
From: Linus Walleij @ 2014-10-27 16:03 UTC (permalink / raw)
To: linux-arm-kernel
On Thu, Oct 9, 2014 at 6:18 PM, Guenter Roeck <linux@roeck-us.net> wrote:
> ab8500_restart is not called from anywhere in the kernel, so drop it.
>
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Yeah I guess... cannot argue with that.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Yours,
Linus Walleij
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] mfd: ab8500-sysctrl: Drop ab8500_restart
2014-10-09 16:18 ` Guenter Roeck
@ 2014-11-03 18:01 ` Lee Jones
-1 siblings, 0 replies; 6+ messages in thread
From: Lee Jones @ 2014-11-03 18:01 UTC (permalink / raw)
To: Guenter Roeck; +Cc: linux-kernel, linux-arm-kernel, Linus Walleij, Samuel Ortiz
On Thu, 09 Oct 2014, Guenter Roeck wrote:
> ab8500_restart is not called from anywhere in the kernel, so drop it.
>
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> ---
> drivers/mfd/ab8500-sysctrl.c | 57 -------------------------------
> include/linux/mfd/abx500/ab8500-sysctrl.h | 1 -
> 2 files changed, 58 deletions(-)
Applied with Linus' Ack.
> diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c
> index 8e0dae5..94dbcdd 100644
> --- a/drivers/mfd/ab8500-sysctrl.c
> +++ b/drivers/mfd/ab8500-sysctrl.c
> @@ -85,63 +85,6 @@ shutdown:
> }
> }
>
> -/*
> - * Use the AB WD to reset the platform. It will perform a hard
> - * reset instead of a soft reset. Write the reset reason to
> - * the AB before reset, which can be read upon restart.
> - */
> -void ab8500_restart(char mode, const char *cmd)
> -{
> - struct ab8500_platform_data *plat;
> - struct ab8500_sysctrl_platform_data *pdata;
> - u16 reason = 0;
> - u8 val;
> -
> - if (sysctrl_dev == NULL) {
> - pr_err("%s: sysctrl not initialized\n", __func__);
> - return;
> - }
> -
> - plat = dev_get_platdata(sysctrl_dev->parent);
> - pdata = plat->sysctrl;
> - if (pdata && pdata->reboot_reason_code)
> - reason = pdata->reboot_reason_code(cmd);
> - else
> - pr_warn("[%s] No reboot reason set. Default reason %d\n",
> - __func__, reason);
> -
> - /*
> - * Disable RTC alarm, just a precaution so that no alarm
> - * is running when WD reset is executed.
> - */
> - abx500_get_register_interruptible(sysctrl_dev, AB8500_RTC,
> - RTC_CTRL , &val);
> - abx500_set_register_interruptible(sysctrl_dev, AB8500_RTC,
> - RTC_CTRL , (val & ~RTC_ALARM_ENABLE));
> -
> - /*
> - * Android is not using the RTC alarm registers during reboot
> - * so we borrow them for writing the reason of reset
> - */
> -
> - /* reason[8 LSB] */
> - val = reason & 0xFF;
> - abx500_set_register_interruptible(sysctrl_dev, AB8500_RTC,
> - AB8500_ALARM_MIN_LOW , val);
> -
> - /* reason[8 MSB] */
> - val = (reason>>8) & 0xFF;
> - abx500_set_register_interruptible(sysctrl_dev, AB8500_RTC,
> - AB8500_ALARM_MIN_MID , val);
> -
> - /* Setting WD timeout to 0 */
> - ab8500_sysctrl_write(AB8500_MAINWDOGTIMER, 0xFF, 0x0);
> -
> - /* Setting the parameters to AB8500 WD*/
> - ab8500_sysctrl_write(AB8500_MAINWDOGCTRL, 0xFF, (AB8500_ENABLE_WD |
> - AB8500_WD_RESTART_ON_EXPIRE | AB8500_KICK_WD));
> -}
> -
> static inline bool valid_bank(u8 bank)
> {
> return ((bank == AB8500_SYS_CTRL1_BLOCK) ||
> diff --git a/include/linux/mfd/abx500/ab8500-sysctrl.h b/include/linux/mfd/abx500/ab8500-sysctrl.h
> index adba89d..6893127 100644
> --- a/include/linux/mfd/abx500/ab8500-sysctrl.h
> +++ b/include/linux/mfd/abx500/ab8500-sysctrl.h
> @@ -12,7 +12,6 @@
>
> int ab8500_sysctrl_read(u16 reg, u8 *value);
> int ab8500_sysctrl_write(u16 reg, u8 mask, u8 value);
> -void ab8500_restart(char mode, const char *cmd);
>
> #else
>
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH] mfd: ab8500-sysctrl: Drop ab8500_restart
@ 2014-11-03 18:01 ` Lee Jones
0 siblings, 0 replies; 6+ messages in thread
From: Lee Jones @ 2014-11-03 18:01 UTC (permalink / raw)
To: linux-arm-kernel
On Thu, 09 Oct 2014, Guenter Roeck wrote:
> ab8500_restart is not called from anywhere in the kernel, so drop it.
>
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> ---
> drivers/mfd/ab8500-sysctrl.c | 57 -------------------------------
> include/linux/mfd/abx500/ab8500-sysctrl.h | 1 -
> 2 files changed, 58 deletions(-)
Applied with Linus' Ack.
> diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c
> index 8e0dae5..94dbcdd 100644
> --- a/drivers/mfd/ab8500-sysctrl.c
> +++ b/drivers/mfd/ab8500-sysctrl.c
> @@ -85,63 +85,6 @@ shutdown:
> }
> }
>
> -/*
> - * Use the AB WD to reset the platform. It will perform a hard
> - * reset instead of a soft reset. Write the reset reason to
> - * the AB before reset, which can be read upon restart.
> - */
> -void ab8500_restart(char mode, const char *cmd)
> -{
> - struct ab8500_platform_data *plat;
> - struct ab8500_sysctrl_platform_data *pdata;
> - u16 reason = 0;
> - u8 val;
> -
> - if (sysctrl_dev == NULL) {
> - pr_err("%s: sysctrl not initialized\n", __func__);
> - return;
> - }
> -
> - plat = dev_get_platdata(sysctrl_dev->parent);
> - pdata = plat->sysctrl;
> - if (pdata && pdata->reboot_reason_code)
> - reason = pdata->reboot_reason_code(cmd);
> - else
> - pr_warn("[%s] No reboot reason set. Default reason %d\n",
> - __func__, reason);
> -
> - /*
> - * Disable RTC alarm, just a precaution so that no alarm
> - * is running when WD reset is executed.
> - */
> - abx500_get_register_interruptible(sysctrl_dev, AB8500_RTC,
> - RTC_CTRL , &val);
> - abx500_set_register_interruptible(sysctrl_dev, AB8500_RTC,
> - RTC_CTRL , (val & ~RTC_ALARM_ENABLE));
> -
> - /*
> - * Android is not using the RTC alarm registers during reboot
> - * so we borrow them for writing the reason of reset
> - */
> -
> - /* reason[8 LSB] */
> - val = reason & 0xFF;
> - abx500_set_register_interruptible(sysctrl_dev, AB8500_RTC,
> - AB8500_ALARM_MIN_LOW , val);
> -
> - /* reason[8 MSB] */
> - val = (reason>>8) & 0xFF;
> - abx500_set_register_interruptible(sysctrl_dev, AB8500_RTC,
> - AB8500_ALARM_MIN_MID , val);
> -
> - /* Setting WD timeout to 0 */
> - ab8500_sysctrl_write(AB8500_MAINWDOGTIMER, 0xFF, 0x0);
> -
> - /* Setting the parameters to AB8500 WD*/
> - ab8500_sysctrl_write(AB8500_MAINWDOGCTRL, 0xFF, (AB8500_ENABLE_WD |
> - AB8500_WD_RESTART_ON_EXPIRE | AB8500_KICK_WD));
> -}
> -
> static inline bool valid_bank(u8 bank)
> {
> return ((bank == AB8500_SYS_CTRL1_BLOCK) ||
> diff --git a/include/linux/mfd/abx500/ab8500-sysctrl.h b/include/linux/mfd/abx500/ab8500-sysctrl.h
> index adba89d..6893127 100644
> --- a/include/linux/mfd/abx500/ab8500-sysctrl.h
> +++ b/include/linux/mfd/abx500/ab8500-sysctrl.h
> @@ -12,7 +12,6 @@
>
> int ab8500_sysctrl_read(u16 reg, u8 *value);
> int ab8500_sysctrl_write(u16 reg, u8 mask, u8 value);
> -void ab8500_restart(char mode, const char *cmd);
>
> #else
>
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2014-11-03 18:01 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-10-09 16:18 [PATCH] mfd: ab8500-sysctrl: Drop ab8500_restart Guenter Roeck
2014-10-09 16:18 ` Guenter Roeck
2014-10-27 16:03 ` Linus Walleij
2014-10-27 16:03 ` Linus Walleij
2014-11-03 18:01 ` Lee Jones
2014-11-03 18:01 ` Lee Jones
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