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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR0301MB1994 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160712_005505_485807_536E65E3 X-CRM114-Status: GOOD ( 14.82 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aisheng.dong@nxp.com, ulf.hansson@linaro.org, dongas86@gmail.com, chris@printf.net, haibo.chen@nxp.com, adrian.hunter@intel.com, shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Move tuning static configuration into basic hwinit function. Tuning configuration may also be lost in low power mode, so need restore in hwinit(). Acked-by: Adrian Hunter Signed-off-by: Dong Aisheng --- drivers/mmc/host/sdhci-esdhc-imx.c | 36 ++++++++++++++++++------------------ 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 5a0e5dee977f..c5adf4ba4066 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -484,7 +484,6 @@ static void esdhc_writew_le(struct sdhci_host *host, u16 val, int reg) } else if (imx_data->socdata->flags & ESDHC_FLAG_STD_TUNING) { u32 v = readl(host->ioaddr + SDHCI_ACMD12_ERR); u32 m = readl(host->ioaddr + ESDHC_MIX_CTRL); - u32 tuning_ctrl; if (val & SDHCI_CTRL_TUNED_CLK) { v |= ESDHC_MIX_CTRL_SMPCLK_SEL; } else { @@ -497,18 +496,6 @@ static void esdhc_writew_le(struct sdhci_host *host, u16 val, int reg) v |= ESDHC_MIX_CTRL_EXE_TUNE; m |= ESDHC_MIX_CTRL_FBCLK_SEL; m |= ESDHC_MIX_CTRL_AUTO_TUNE_EN; - tuning_ctrl = readl(host->ioaddr + ESDHC_TUNING_CTRL); - tuning_ctrl |= ESDHC_STD_TUNING_EN | ESDHC_TUNING_START_TAP_DEFAULT; - if (imx_data->boarddata.tuning_start_tap) { - tuning_ctrl &= ~ESDHC_TUNING_START_TAP_MASK; - tuning_ctrl |= imx_data->boarddata.tuning_start_tap; - } - - if (imx_data->boarddata.tuning_step) { - tuning_ctrl &= ~ESDHC_TUNING_STEP_MASK; - tuning_ctrl |= imx_data->boarddata.tuning_step << ESDHC_TUNING_STEP_SHIFT; - } - writel(tuning_ctrl, host->ioaddr + ESDHC_TUNING_CTRL); } else { v &= ~ESDHC_MIX_CTRL_EXE_TUNE; } @@ -983,6 +970,7 @@ static void sdhci_esdhc_imx_hwinit(struct sdhci_host *host) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct pltfm_imx_data *imx_data = sdhci_pltfm_priv(pltfm_host); + int tmp; if (esdhc_is_usdhc(imx_data)) { /* @@ -1014,6 +1002,23 @@ static void sdhci_esdhc_imx_hwinit(struct sdhci_host *host) /* disable DLL_CTRL delay line settings */ writel(0x0, host->ioaddr + ESDHC_DLL_CTRL); + + if (imx_data->socdata->flags & ESDHC_FLAG_STD_TUNING) { + tmp = readl(host->ioaddr + ESDHC_TUNING_CTRL); + tmp |= ESDHC_STD_TUNING_EN | + ESDHC_TUNING_START_TAP_DEFAULT; + if (imx_data->boarddata.tuning_start_tap) { + tmp &= ~ESDHC_TUNING_START_TAP_MASK; + tmp |= imx_data->boarddata.tuning_start_tap; + } + + if (imx_data->boarddata.tuning_step) { + tmp &= ~ESDHC_TUNING_STEP_MASK; + tmp |= imx_data->boarddata.tuning_step + << ESDHC_TUNING_STEP_SHIFT; + } + writel(tmp, host->ioaddr + ESDHC_TUNING_CTRL); + } } } @@ -1225,11 +1230,6 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) sdhci_esdhc_ops.platform_execute_tuning = esdhc_executing_tuning; - if (imx_data->socdata->flags & ESDHC_FLAG_STD_TUNING) - writel(readl(host->ioaddr + ESDHC_TUNING_CTRL) | - ESDHC_STD_TUNING_EN | ESDHC_TUNING_START_TAP_DEFAULT, - host->ioaddr + ESDHC_TUNING_CTRL); - if (imx_data->socdata->flags & ESDHC_FLAG_ERR004536) host->quirks |= SDHCI_QUIRK_BROKEN_ADMA;