[PATCH 1/6] mmc: fsl_esdhc_imx: drop QorIQ eSDHC specific peripheral clock code

[Yangbo Lu]

Drop QorIQ eSDHC specific peripheral clock code.

Signed-off-by: Yangbo Lu <yangbo...@nxp.com>
---
 drivers/mmc/fsl_esdhc_imx.c | 40 ----------------------------------------
 1 file changed, 40 deletions(-)

diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index f1afab7..e1528e7 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -658,35 +658,6 @@ 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)
 {
@@ -958,12 +929,6 @@ 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)
@@ -1388,13 +1353,8 @@ 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
 
-- 
2.7.4