[PATCH] clk: si5341: fix an error code problem in si5341_output_clk_set_rate

[PATCH] clk: si5341: fix an error code problem in si5341_output_clk_set_rate

[Su Hui]

regmap_bulk_write() return zero or negative error code, return 'err'
rather than '0'.

Fixes: 3044a860fd09 ("clk: Add Si5341/Si5340 driver")
Signed-off-by: Su Hui <suhui@nfschina.com>
---
 drivers/clk/clk-si5341.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/clk-si5341.c b/drivers/clk/clk-si5341.c
index 9599857842c7..9b1cc5a83b5b 100644
--- a/drivers/clk/clk-si5341.c
+++ b/drivers/clk/clk-si5341.c
@@ -898,7 +898,7 @@ static int si5341_output_clk_set_rate(struct clk_hw *hw, unsigned long rate,
 	err = regmap_bulk_write(output->data->regmap,
 			SI5341_OUT_R_REG(output), r, 3);
 
-	return 0;
+	return err;
 }
 
 static int si5341_output_reparent(struct clk_si5341_output *output, u8 index)
-- 
2.30.2

Re: [PATCH] clk: si5341: fix an error code problem in si5341_output_clk_set_rate

[mike.looijmans]

FWIW, you have my gratitude...

Acked-By: Mike Looijmans <mike.looijmans@topic.nl>

One remark, maybe just "return regmap_...." straightaway and skip the 
"err = " assignment.

M.

On 31-10-2023 03:02, Su Hui wrote:
> regmap_bulk_write() return zero or negative error code, return 'err'
> rather than '0'.
>
> Fixes: 3044a860fd09 ("clk: Add Si5341/Si5340 driver")
> Signed-off-by: Su Hui <suhui@nfschina.com>
> ---
>   drivers/clk/clk-si5341.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clk/clk-si5341.c b/drivers/clk/clk-si5341.c
> index 9599857842c7..9b1cc5a83b5b 100644
> --- a/drivers/clk/clk-si5341.c
> +++ b/drivers/clk/clk-si5341.c
> @@ -898,7 +898,7 @@ static int si5341_output_clk_set_rate(struct clk_hw *hw, unsigned long rate,
>   	err = regmap_bulk_write(output->data->regmap,
>   			SI5341_OUT_R_REG(output), r, 3);
>   
> -	return 0;
> +	return err;
>   }
>   
>   static int si5341_output_reparent(struct clk_si5341_output *output, u8 index)


-- 
Mike Looijmans
System Expert

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