ENGR00229222 mmc: esdhc: allow MMC and SDIO cards switched to 1.8V signalling

The current driver only allows SD cards to run at 1.8V.
This patch allows MMC and SDIO cards to be switched to 1.8V signalling

Acked-by: Dong Aisheng <b29396@freescale.com>
Signed-off-by: Robby Cai <R63905@freescale.com>

diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 39eb287d638b4dd1b0e6b3b4508b8953c9aacc6f..59cc92ce7410517a524e732e02f07fcd6d7959cd 100644 (file)
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -841,12 +841,18 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd
                        MMC_VDD_32_33 | MMC_VDD_33_34;
        host->ocr_avail_mmc = MMC_VDD_29_30 | MMC_VDD_30_31 | \
                        MMC_VDD_32_33 | MMC_VDD_33_34;
+       host->ocr_avail_sdio = MMC_VDD_29_30 | MMC_VDD_30_31 | \
+                       MMC_VDD_32_33 | MMC_VDD_33_34;
 
        if (cpu_is_mx6q() || cpu_is_mx6dl())
                sdhci_esdhc_ops.platform_execute_tuning = esdhc_execute_tuning;
 
-       if (boarddata->support_18v)
+       if (boarddata->support_18v) {
                host->ocr_avail_sd |= MMC_VDD_165_195;
+               host->ocr_avail_mmc |= MMC_VDD_165_195;
+               host->ocr_avail_sdio |= MMC_VDD_165_195;
+       }
+
        if (boarddata->support_8bit)
                host->mmc->caps |= MMC_CAP_8_BIT_DATA;
        if (boarddata->keep_power_at_suspend)