From: Yangbo Lu <yangbo.lu@nxp.com>
Date: Thu, 19 Dec 2019 10:59:25 +0000 (+0800)
Subject: mmc: fsl_esdhc_imx: drop QorIQ eSDHC specific peripheral clock code
X-Git-Tag: v2020.04-rc1~18^2~7
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=6982315adffa80f66091dd417086e97bfb6a013d;p=oweals%2Fu-boot.git

mmc: fsl_esdhc_imx: drop QorIQ eSDHC specific peripheral clock code

Drop QorIQ eSDHC specific peripheral clock code.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
---

diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index 96fe01e26d..462ad2878a 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -661,35 +661,6 @@ static void set_sysctl(struct fsl_esdhc_priv *priv, struct mmc *mmc, uint clock)
 	priv->clock = clock;
 }
 
-#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
-static void esdhc_clock_control(struct fsl_esdhc_priv *priv, bool enable)
-{
-	struct fsl_esdhc *regs = priv->esdhc_regs;
-	u32 value;
-	u32 time_out;
-
-	value = esdhc_read32(&regs->sysctl);
-
-	if (enable)
-		value |= SYSCTL_CKEN;
-	else
-		value &= ~SYSCTL_CKEN;
-
-	esdhc_write32(&regs->sysctl, value);
-
-	time_out = 20;
-	value = PRSSTAT_SDSTB;
-	while (!(esdhc_read32(&regs->prsstat) & value)) {
-		if (time_out == 0) {
-			printf("fsl_esdhc: Internal clock never stabilised.\n");
-			break;
-		}
-		time_out--;
-		mdelay(1);
-	}
-}
-#endif
-
 #ifdef MMC_SUPPORTS_TUNING
 static int esdhc_change_pinstate(struct udevice *dev)
 {
@@ -961,12 +932,6 @@ static int esdhc_set_ios_common(struct fsl_esdhc_priv *priv, struct mmc *mmc)
 	int ret __maybe_unused;
 	u32 clock;
 
-#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
-	/* Select to use peripheral clock */
-	esdhc_clock_control(priv, false);
-	esdhc_setbits32(&regs->scr, ESDHCCTL_PCS);
-	esdhc_clock_control(priv, true);
-#endif
 	/* Set the clock speed */
 	clock = mmc->clock;
 	if (clock < mmc->cfg->f_min)
@@ -1394,13 +1359,8 @@ void fdt_fixup_esdhc(void *blob, bd_t *bd)
 	if (esdhc_status_fixup(blob, compat))
 		return;
 
-#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
-	do_fixup_by_compat_u32(blob, compat, "peripheral-frequency",
-			       gd->arch.sdhc_clk, 1);
-#else
 	do_fixup_by_compat_u32(blob, compat, "clock-frequency",
 			       gd->arch.sdhc_clk, 1);
-#endif
 }
 #endif