tmio_mmc: map SD control registers after enabling the MFD cell

ASIC3 can disable the memory, so we need to wait for mfd_cell->enable
to enable the memory before we can map the SD control registers.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Acked-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>

diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index b576640..fe6d2b6 100644 (file)
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -493,11 +493,6 @@ static int tmio_mmc_resume(struct platform_device *dev)
        struct tmio_mmc_host *host = mmc_priv(mmc);
        int ret = 0;
 
-       /* Enable the MMC/SD Control registers */
-       sd_config_write16(host, CNF_CMD, SDCREN);
-       sd_config_write32(host, CNF_CTL_BASE,
-               (dev->resource[0].start >> host->bus_shift) & 0xfffe);
-
        /* Tell the MFD core we are ready to be enabled */
        if (cell->enable) {
                ret = cell->enable(dev);
@@ -505,6 +500,11 @@ static int tmio_mmc_resume(struct platform_device *dev)
                        goto out;
        }
 
+       /* Enable the MMC/SD Control registers */
+       sd_config_write16(host, CNF_CMD, SDCREN);
+       sd_config_write32(host, CNF_CTL_BASE,
+               (dev->resource[0].start >> host->bus_shift) & 0xfffe);
+
        mmc_resume_host(mmc);
 
 out:
@@ -563,11 +563,6 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
        mmc->f_min = mmc->f_max / 512;
        mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
 
-       /* Enable the MMC/SD Control registers */
-       sd_config_write16(host, CNF_CMD, SDCREN);
-       sd_config_write32(host, CNF_CTL_BASE,
-               (dev->resource[0].start >> host->bus_shift) & 0xfffe);
-
        /* Tell the MFD core we are ready to be enabled */
        if (cell->enable) {
                ret = cell->enable(dev);
@@ -575,6 +570,11 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
                        goto unmap_cnf;
        }
 
+       /* Enable the MMC/SD Control registers */
+       sd_config_write16(host, CNF_CMD, SDCREN);
+       sd_config_write32(host, CNF_CTL_BASE,
+               (dev->resource[0].start >> host->bus_shift) & 0xfffe);
+
        /* Disable SD power during suspend */
        sd_config_write8(host, CNF_PWR_CTL_3, 0x01);