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[2/2] power: reset: at91-sama5d2_shdwc: fix clobber list

Message ID 20170531094915.3469-2-alexandre.belloni@free-electrons.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Alexandre Belloni May 31, 2017, 9:49 a.m. UTC 
Assembly in at91_lpddr_poweroff has r0 in the clobber list but uses r6.

Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---
 drivers/power/reset/at91-sama5d2_shdwc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Nicolas Ferre June 1, 2017, 9 a.m. UTC | #1 
Le 31/05/2017 à 11:49, Alexandre Belloni a écrit :
> Assembly in at91_lpddr_poweroff has r0 in the clobber list but uses r6.
> 
> Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>

> ---
>  drivers/power/reset/at91-sama5d2_shdwc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c
> index 90b0b5a70ce5..55fce8b75245 100644
> --- a/drivers/power/reset/at91-sama5d2_shdwc.c
> +++ b/drivers/power/reset/at91-sama5d2_shdwc.c
> @@ -132,7 +132,7 @@ static void at91_lpddr_poweroff(void)
>  		  "r" cpu_to_le32(AT91_DDRSDRC_LPDDR2_PWOFF),
>  		  "r" (at91_shdwc->at91_shdwc_base),
>  		  "r" cpu_to_le32(AT91_SHDW_KEY | AT91_SHDW_SHDW)
> -		: "r0");
> +		: "r6");
>  }
>  
>  static u32 at91_shdwc_debouncer_value(struct platform_device *pdev,
>
Sebastian Reichel June 7, 2017, 8:50 p.m. UTC | #2 
Hi,

On Wed, May 31, 2017 at 11:49:15AM +0200, Alexandre Belloni wrote:
> Assembly in at91_lpddr_poweroff has r0 in the clobber list but uses r6.

Thanks, queued.

-- Sebastian

> Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
> ---
>  drivers/power/reset/at91-sama5d2_shdwc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c
> index 90b0b5a70ce5..55fce8b75245 100644
> --- a/drivers/power/reset/at91-sama5d2_shdwc.c
> +++ b/drivers/power/reset/at91-sama5d2_shdwc.c
> @@ -132,7 +132,7 @@ static void at91_lpddr_poweroff(void)
>  		  "r" cpu_to_le32(AT91_DDRSDRC_LPDDR2_PWOFF),
>  		  "r" (at91_shdwc->at91_shdwc_base),
>  		  "r" cpu_to_le32(AT91_SHDW_KEY | AT91_SHDW_SHDW)
> -		: "r0");
> +		: "r6");
>  }
>  
>  static u32 at91_shdwc_debouncer_value(struct platform_device *pdev,
> -- 
> 2.11.0
>
diff mbox

Patch

diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c
index 90b0b5a70ce5..55fce8b75245 100644
--- a/drivers/power/reset/at91-sama5d2_shdwc.c
+++ b/drivers/power/reset/at91-sama5d2_shdwc.c
@@ -132,7 +132,7 @@  static void at91_lpddr_poweroff(void)
 		  "r" cpu_to_le32(AT91_DDRSDRC_LPDDR2_PWOFF),
 		  "r" (at91_shdwc->at91_shdwc_base),
 		  "r" cpu_to_le32(AT91_SHDW_KEY | AT91_SHDW_SHDW)
-		: "r0");
+		: "r6");
 }
 
 static u32 at91_shdwc_debouncer_value(struct platform_device *pdev,