Re: [PATCH] leds: lm355x: Fix sparse warnings

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On Wed, Jul 31, 2013 at 11:03 PM, Jingoo Han <jg1.han@xxxxxxxxxxx> wrote:
> Don't mix different enum types to fix the following sparse warnings.
>
> drivers/leds/leds-lm355x.c:180:49: warning: mixing different enum types
> drivers/leds/leds-lm355x.c:180:49:     int enum lm355x_tx2  versus
> drivers/leds/leds-lm355x.c:180:49:     int enum lm355x_ntc
> drivers/leds/leds-lm355x.c:191:49: warning: mixing different enum types
> drivers/leds/leds-lm355x.c:191:49:     int enum lm355x_tx2  versus
> drivers/leds/leds-lm355x.c:191:49:     int enum lm355x_ntc
>
> Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
> ---
>  drivers/leds/leds-lm355x.c |    7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/leds/leds-lm355x.c b/drivers/leds/leds-lm355x.c
> index 591eb5e..9772aad 100644
> --- a/drivers/leds/leds-lm355x.c
> +++ b/drivers/leds/leds-lm355x.c
> @@ -177,7 +177,8 @@ static int lm355x_chip_init(struct lm355x_chip_data *chip)
>         /* input and output pins configuration */
>         switch (chip->type) {
>         case CHIP_LM3554:
> -               reg_val = pdata->pin_tx2 | pdata->ntc_pin;
> +               reg_val = pdata->pin_tx2;
> +               reg_val |= pdata->ntc_pin;
>                 ret = regmap_update_bits(chip->regmap, 0xE0, 0x28, reg_val);
>                 if (ret < 0)
>                         goto out;
> @@ -188,7 +189,9 @@ static int lm355x_chip_init(struct lm355x_chip_data *chip)
>                 break;
>
>         case CHIP_LM3556:
> -               reg_val = pdata->pin_tx2 | pdata->ntc_pin | pdata->pass_mode;
> +               reg_val = pdata->pin_tx2;
> +               reg_val |= pdata->ntc_pin;
> +               reg_val |= pdata->pass_mode;

Although there are some warning from sparse, changing a beautiful one
line code into multiple lines code looks not good to me. Is there any
better way to solve this issue.

Thanks,
-Bryan

>                 ret = regmap_update_bits(chip->regmap, 0x0A, 0xC4, reg_val);
>                 if (ret < 0)
>                         goto out;
> --
> 1.7.10.4
>
>
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