linux-kernel - [PATCH v3 04/13] ASoC: tegra: tegra20_das: remove always-true comparison

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Date:   Tue,  7 Jul 2020 14:06:03 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     alsa-devel@...a-project.org
Cc:     tiwai@...e.de, broonie@...nel.org,
        Lee Jones <lee.jones@...aro.org>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Jon Hunter <jonathanh@...dia.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Thierry Reding <thierry.reding@...il.com>,
        YueHaibing <yuehaibing@...wei.com>,
        linux-tegra@...r.kernel.org (open list:TEGRA ARCHITECTURE SUPPORT),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v3 04/13] 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) &&
      |           ^~

Reviewed-by: Jon Hunter <jonathanh@...dia.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
---
 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