Thread (10 messages) 10 messages, 4 authors, 2022-12-09
STALE1280d LANDED

[PATCH v2 1/6] mmc: sdhci-esdhc-imx: remove redundant code for manual tuning

From: haibo.chen@nxp.com
Date: 2021-08-18 11:38:47
Also in: linux-devicetree, linux-mmc
Subsystem: multimedia card (mmc), secure digital (sd) and sdio subsystem, secure digital host controller interface (sdhci) driver, secure digital host controller interface (sdhci) nxp i.mx driver, the rest · Maintainers: Ulf Hansson, Adrian Hunter, Haibo Chen, Linus Torvalds

From: Haibo Chen <haibo.chen@nxp.com>

For manual tuning method, already call esdhc_prepare_tuning()
config the necessary registers, so remove the redundant code
in esdhc_writew_le() for SDHCI_HOST_CONTROL2.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
---
 drivers/mmc/host/sdhci-esdhc-imx.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 57b19ca1ad6d..a49fac719fca 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -628,17 +628,7 @@ static void esdhc_writew_le(struct sdhci_host *host, u16 val, int reg)
 		else
 			new_val &= ~ESDHC_VENDOR_SPEC_VSELECT;
 		writel(new_val, host->ioaddr + ESDHC_VENDOR_SPEC);
-		if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) {
-			new_val = readl(host->ioaddr + ESDHC_MIX_CTRL);
-			if (val & SDHCI_CTRL_TUNED_CLK) {
-				new_val |= ESDHC_MIX_CTRL_SMPCLK_SEL;
-				new_val |= ESDHC_MIX_CTRL_AUTO_TUNE_EN;
-			} else {
-				new_val &= ~ESDHC_MIX_CTRL_SMPCLK_SEL;
-				new_val &= ~ESDHC_MIX_CTRL_AUTO_TUNE_EN;
-			}
-			writel(new_val , host->ioaddr + ESDHC_MIX_CTRL);
-		} else if (imx_data->socdata->flags & ESDHC_FLAG_STD_TUNING) {
+		if (imx_data->socdata->flags & ESDHC_FLAG_STD_TUNING) {
 			u32 v = readl(host->ioaddr + SDHCI_AUTO_CMD_STATUS);
 			u32 m = readl(host->ioaddr + ESDHC_MIX_CTRL);
 			if (val & SDHCI_CTRL_TUNED_CLK) {
-- 
2.17.1


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