* [PATCH] pinctrl: fix loop in k210_pinconf_get_drive()
@ 2022-02-09 18:08 Dan Carpenter
2022-02-09 18:13 ` Sean Anderson
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Dan Carpenter @ 2022-02-09 18:08 UTC (permalink / raw)
To: Damien Le Moal
Cc: Linus Walleij, Sean Anderson, Palmer Dabbelt, linux-riscv,
linux-gpio, kernel-janitors
The loop exited too early so the k210_pinconf_drive_strength[0] array
element was never used.
Fixes: d4c34d09ab03 ("pinctrl: Add RISC-V Canaan Kendryte K210 FPIOA driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
drivers/pinctrl/pinctrl-k210.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pinctrl/pinctrl-k210.c b/drivers/pinctrl/pinctrl-k210.c
index 49e32684dbb2..e3d03f2de7ef 100644
--- a/drivers/pinctrl/pinctrl-k210.c
+++ b/drivers/pinctrl/pinctrl-k210.c
@@ -482,7 +482,7 @@ static int k210_pinconf_get_drive(unsigned int max_strength_ua)
{
int i;
- for (i = K210_PC_DRIVE_MAX; i; i--) {
+ for (i = K210_PC_DRIVE_MAX; i >= 0; i--) {
if (k210_pinconf_drive_strength[i] <= max_strength_ua)
return i;
}
--
2.20.1
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH] pinctrl: fix loop in k210_pinconf_get_drive()
2022-02-09 18:08 [PATCH] pinctrl: fix loop in k210_pinconf_get_drive() Dan Carpenter
@ 2022-02-09 18:13 ` Sean Anderson
2022-02-09 23:32 ` Damien Le Moal
2022-02-11 1:19 ` Linus Walleij
2 siblings, 0 replies; 4+ messages in thread
From: Sean Anderson @ 2022-02-09 18:13 UTC (permalink / raw)
To: Dan Carpenter, Damien Le Moal
Cc: Linus Walleij, Palmer Dabbelt, linux-riscv, linux-gpio, kernel-janitors
On 2/9/22 1:08 PM, Dan Carpenter wrote:
> The loop exited too early so the k210_pinconf_drive_strength[0] array
> element was never used.
>
> Fixes: d4c34d09ab03 ("pinctrl: Add RISC-V Canaan Kendryte K210 FPIOA driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
> drivers/pinctrl/pinctrl-k210.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pinctrl/pinctrl-k210.c b/drivers/pinctrl/pinctrl-k210.c
> index 49e32684dbb2..e3d03f2de7ef 100644
> --- a/drivers/pinctrl/pinctrl-k210.c
> +++ b/drivers/pinctrl/pinctrl-k210.c
> @@ -482,7 +482,7 @@ static int k210_pinconf_get_drive(unsigned int max_strength_ua)
> {
> int i;
>
> - for (i = K210_PC_DRIVE_MAX; i; i--) {
> + for (i = K210_PC_DRIVE_MAX; i >= 0; i--) {
> if (k210_pinconf_drive_strength[i] <= max_strength_ua)
> return i;
> }
>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] pinctrl: fix loop in k210_pinconf_get_drive()
2022-02-09 18:08 [PATCH] pinctrl: fix loop in k210_pinconf_get_drive() Dan Carpenter
2022-02-09 18:13 ` Sean Anderson
@ 2022-02-09 23:32 ` Damien Le Moal
2022-02-11 1:19 ` Linus Walleij
2 siblings, 0 replies; 4+ messages in thread
From: Damien Le Moal @ 2022-02-09 23:32 UTC (permalink / raw)
To: Dan Carpenter, Damien Le Moal
Cc: Linus Walleij, Sean Anderson, Palmer Dabbelt, linux-riscv,
linux-gpio, kernel-janitors
On 2/10/22 03:08, Dan Carpenter wrote:
> The loop exited too early so the k210_pinconf_drive_strength[0] array
> element was never used.
>
> Fixes: d4c34d09ab03 ("pinctrl: Add RISC-V Canaan Kendryte K210 FPIOA driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
> drivers/pinctrl/pinctrl-k210.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pinctrl/pinctrl-k210.c b/drivers/pinctrl/pinctrl-k210.c
> index 49e32684dbb2..e3d03f2de7ef 100644
> --- a/drivers/pinctrl/pinctrl-k210.c
> +++ b/drivers/pinctrl/pinctrl-k210.c
> @@ -482,7 +482,7 @@ static int k210_pinconf_get_drive(unsigned int max_strength_ua)
> {
> int i;
>
> - for (i = K210_PC_DRIVE_MAX; i; i--) {
> + for (i = K210_PC_DRIVE_MAX; i >= 0; i--) {
> if (k210_pinconf_drive_strength[i] <= max_strength_ua)
> return i;
> }
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
--
Damien Le Moal
Western Digital Research
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] pinctrl: fix loop in k210_pinconf_get_drive()
2022-02-09 18:08 [PATCH] pinctrl: fix loop in k210_pinconf_get_drive() Dan Carpenter
2022-02-09 18:13 ` Sean Anderson
2022-02-09 23:32 ` Damien Le Moal
@ 2022-02-11 1:19 ` Linus Walleij
2 siblings, 0 replies; 4+ messages in thread
From: Linus Walleij @ 2022-02-11 1:19 UTC (permalink / raw)
To: Dan Carpenter
Cc: Damien Le Moal, Sean Anderson, Palmer Dabbelt, linux-riscv,
linux-gpio, kernel-janitors
On Wed, Feb 9, 2022 at 7:08 PM Dan Carpenter <dan.carpenter@oracle.com> wrote:
> The loop exited too early so the k210_pinconf_drive_strength[0] array
> element was never used.
>
> Fixes: d4c34d09ab03 ("pinctrl: Add RISC-V Canaan Kendryte K210 FPIOA driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Patch applied for fixes.
Yours,
Linus Walleij
^ permalink raw reply [flat|nested] 4+ messages in thread
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2022-02-09 18:08 [PATCH] pinctrl: fix loop in k210_pinconf_get_drive() Dan Carpenter
2022-02-09 18:13 ` Sean Anderson
2022-02-09 23:32 ` Damien Le Moal
2022-02-11 1:19 ` Linus Walleij
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