From 8e34aa00e971b41764d03b335941f5bf14f605ac Mon Sep 17 00:00:00 2001 From: Ashok Reddy Soma Date: Fri, 9 Jul 2021 05:53:39 -0600 Subject: [PATCH] mmc: zynq_sdhci: Resolve uninitialized return value set_phase() functions are not modifying the ret value and returning the same uninitialized ret, return 0 instead. Keep the return type as int to return errors when the tapdelay's are set via xilinx_pm_request() in future. Signed-off-by: Ashok Reddy Soma Reviewed-by: Jaehoon Chung Signed-off-by: Michal Simek --- drivers/mmc/zynq_sdhci.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c index b79c4021b6..5bad5cb9e7 100644 --- a/drivers/mmc/zynq_sdhci.c +++ b/drivers/mmc/zynq_sdhci.c @@ -183,7 +183,7 @@ static int arasan_sdhci_execute_tuning(struct mmc *mmc, u8 opcode) * * @host: Pointer to the sdhci_host structure. * @degrees: The clock phase shift between 0 - 359. - * Return: 0 on success and error value on error + * Return: 0 */ static int sdhci_zynqmp_sdcardclk_set_phase(struct sdhci_host *host, int degrees) @@ -191,7 +191,6 @@ static int sdhci_zynqmp_sdcardclk_set_phase(struct sdhci_host *host, struct arasan_sdhci_priv *priv = dev_get_priv(host->mmc->dev); struct mmc *mmc = (struct mmc *)host->mmc; u8 tap_delay, tap_max = 0; - int ret; int timing = mode2timing[mmc->selected_mode]; /* @@ -229,7 +228,7 @@ static int sdhci_zynqmp_sdcardclk_set_phase(struct sdhci_host *host, arasan_zynqmp_set_tapdelay(priv->deviceid, 0, tap_delay); - return ret; + return 0; } /** @@ -239,7 +238,7 @@ static int sdhci_zynqmp_sdcardclk_set_phase(struct sdhci_host *host, * * @host: Pointer to the sdhci_host structure. * @degrees: The clock phase shift between 0 - 359. - * Return: 0 on success and error value on error + * Return: 0 */ static int sdhci_zynqmp_sampleclk_set_phase(struct sdhci_host *host, int degrees) @@ -247,7 +246,6 @@ static int sdhci_zynqmp_sampleclk_set_phase(struct sdhci_host *host, struct arasan_sdhci_priv *priv = dev_get_priv(host->mmc->dev); struct mmc *mmc = (struct mmc *)host->mmc; u8 tap_delay, tap_max = 0; - int ret; int timing = mode2timing[mmc->selected_mode]; /* @@ -285,7 +283,7 @@ static int sdhci_zynqmp_sampleclk_set_phase(struct sdhci_host *host, arasan_zynqmp_set_tapdelay(priv->deviceid, tap_delay, 0); - return ret; + return 0; } /** @@ -295,14 +293,13 @@ static int sdhci_zynqmp_sampleclk_set_phase(struct sdhci_host *host, * * @host: Pointer to the sdhci_host structure. * @degrees The clock phase shift between 0 - 359. - * Return: 0 on success and error value on error + * Return: 0 */ static int sdhci_versal_sdcardclk_set_phase(struct sdhci_host *host, int degrees) { struct mmc *mmc = (struct mmc *)host->mmc; u8 tap_delay, tap_max = 0; - int ret; int timing = mode2timing[mmc->selected_mode]; /* @@ -349,7 +346,7 @@ static int sdhci_versal_sdcardclk_set_phase(struct sdhci_host *host, sdhci_writel(host, regval, SDHCI_ARASAN_OTAPDLY_REGISTER); } - return ret; + return 0; } /** @@ -359,14 +356,13 @@ static int sdhci_versal_sdcardclk_set_phase(struct sdhci_host *host, * * @host: Pointer to the sdhci_host structure. * @degrees The clock phase shift between 0 - 359. - * Return: 0 on success and error value on error + * Return: 0 */ static int sdhci_versal_sampleclk_set_phase(struct sdhci_host *host, int degrees) { struct mmc *mmc = (struct mmc *)host->mmc; u8 tap_delay, tap_max = 0; - int ret; int timing = mode2timing[mmc->selected_mode]; /* @@ -417,7 +413,7 @@ static int sdhci_versal_sampleclk_set_phase(struct sdhci_host *host, sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER); } - return ret; + return 0; } static void arasan_sdhci_set_tapdelay(struct sdhci_host *host) -- 2.39.5