We no longer need to emulate the uhs_mode field of the host control2
register - the main sdhci driver never reads this back to evaluate
the current mode as it caches the current mode instead.
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
---
drivers/mmc/host/sdhci-esdhc-imx.c | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 72e0581e564f..4866d802f9e2 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -160,7 +160,6 @@ struct pltfm_imx_data {
MULTIBLK_IN_PROCESS, /* exact multiblock cmd in process */
WAIT_FOR_INT, /* sent CMD12, waiting for response INT */
} multiblock_status;
- u32 uhs_mode;
u32 is_ddr;
};
@@ -382,7 +381,6 @@ static u16 esdhc_readw_le(struct sdhci_host *host, int reg)
if (val & ESDHC_MIX_CTRL_SMPCLK_SEL)
ret |= SDHCI_CTRL_TUNED_CLK;
- ret |= (imx_data->uhs_mode & SDHCI_CTRL_UHS_MASK);
ret &= ~SDHCI_CTRL_PRESET_VAL_ENABLE;
return ret;
@@ -429,7 +427,6 @@ 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);
- imx_data->uhs_mode = val & SDHCI_CTRL_UHS_MASK;
if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) {
new_val = readl(host->ioaddr + ESDHC_MIX_CTRL);
if (val & SDHCI_CTRL_TUNED_CLK)
@@ -841,28 +838,20 @@ static int esdhc_change_pinstate(struct sdhci_host *host,
return pinctrl_select_state(imx_data->pinctrl, pinctrl);
}
-static void esdhc_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs)
+static void esdhc_set_uhs_signaling(struct sdhci_host *host, unsigned timing)
{
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct pltfm_imx_data *imx_data = pltfm_host->priv;
struct esdhc_platform_data *boarddata = &imx_data->boarddata;
- switch (uhs) {
+ switch (timing) {
case MMC_TIMING_UHS_SDR12:
- imx_data->uhs_mode = SDHCI_CTRL_UHS_SDR12;
- break;
case MMC_TIMING_UHS_SDR25:
- imx_data->uhs_mode = SDHCI_CTRL_UHS_SDR25;
- break;
case MMC_TIMING_UHS_SDR50:
- imx_data->uhs_mode = SDHCI_CTRL_UHS_SDR50;
- break;
case MMC_TIMING_UHS_SDR104:
case MMC_TIMING_MMC_HS200:
- imx_data->uhs_mode = SDHCI_CTRL_UHS_SDR104;
break;
case MMC_TIMING_UHS_DDR50:
- imx_data->uhs_mode = SDHCI_CTRL_UHS_DDR50;
writel(readl(host->ioaddr + ESDHC_MIX_CTRL) |
ESDHC_MIX_CTRL_DDREN,
host->ioaddr + ESDHC_MIX_CTRL);
@@ -879,7 +868,7 @@ static void esdhc_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs)
break;
}
- esdhc_change_pinstate(host, uhs);
+ esdhc_change_pinstate(host, timing);
}
static void esdhc_reset(struct sdhci_host *host, u8 mask)
--
1.8.3.1
--
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