2020-07-02 17:00:00

by Pierre-Louis Bossart

Subject: [PATCH 7/8] ASoC: tegra: tegra20_das: remove always-true comparison

Fix W=1 warning:

sound/soc//tegra/tegra20_das.c:101:11: warning:
comparison of unsigned expression >= 0 is always true [-Wtype-limits]
101 | if ((reg >= TEGRA20_DAS_DAP_CTRL_SEL) &&
| ^~

Signed-off-by: Pierre-Louis Bossart <[email protected]>
---
sound/soc/tegra/tegra20_das.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/tegra/tegra20_das.c b/sound/soc/tegra/tegra20_das.c
index 1070b2710d5e..79dba878d854 100644
--- a/sound/soc/tegra/tegra20_das.c
+++ b/sound/soc/tegra/tegra20_das.c
@@ -98,8 +98,7 @@ EXPORT_SYMBOL_GPL(tegra20_das_connect_dac_to_dap);

static bool tegra20_das_wr_rd_reg(struct device *dev, unsigned int reg)
{
- if ((reg >= TEGRA20_DAS_DAP_CTRL_SEL) &&
- (reg <= LAST_REG(DAP_CTRL_SEL)))
+ if (reg <= LAST_REG(DAP_CTRL_SEL))
return true;
if ((reg >= TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL) &&
(reg <= LAST_REG(DAC_INPUT_DATA_CLK_SEL)))
--
2.25.1

2020-07-06 15:19:03

by Jon Hunter

Subject: Re: [PATCH 7/8] ASoC: tegra: tegra20_das: remove always-true comparison

On 02/07/2020 17:59, Pierre-Louis Bossart wrote:
> Fix W=1 warning:
>
> sound/soc//tegra/tegra20_das.c:101:11: warning:
> comparison of unsigned expression >= 0 is always true [-Wtype-limits]
> 101 | if ((reg >= TEGRA20_DAS_DAP_CTRL_SEL) &&
> | ^~
>
> Signed-off-by: Pierre-Louis Bossart <[email protected]>
> ---
> sound/soc/tegra/tegra20_das.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/sound/soc/tegra/tegra20_das.c b/sound/soc/tegra/tegra20_das.c
> index 1070b2710d5e..79dba878d854 100644
> --- a/sound/soc/tegra/tegra20_das.c
> +++ b/sound/soc/tegra/tegra20_das.c
> @@ -98,8 +98,7 @@ EXPORT_SYMBOL_GPL(tegra20_das_connect_dac_to_dap);
>
> static bool tegra20_das_wr_rd_reg(struct device *dev, unsigned int reg)
> {
> - if ((reg >= TEGRA20_DAS_DAP_CTRL_SEL) &&
> - (reg <= LAST_REG(DAP_CTRL_SEL)))
> + if (reg <= LAST_REG(DAP_CTRL_SEL))
> return true;
> if ((reg >= TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL) &&
> (reg <= LAST_REG(DAC_INPUT_DATA_CLK_SEL)))
>

Thanks!

Reviewed-by: Jon Hunter <[email protected]>

Cheers
Jon

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