ARM: 6243/1: mmci: pass power_mode to the translate_vdd callback

Platforms may have some external power control which need to be
controlled from board specific code.  Rename the translate_vdd()
callback to vdd_handler() and pass it the power mode.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 9 insertions, 14 deletions

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 3eaa0e9373cd..7ae3eeeefc29 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -493,16 +493,9 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                         /* This implicitly enables the regulator */
                         mmc_regulator_set_ocr(host->vcc, ios->vdd);
 #endif
-                /*
-                 * The translate_vdd function is not used if you have
-                 * an external regulator, or your design is really weird.
-                 * Using it would mean sending in power control BOTH using
-                 * a regulator AND the 4 MMCIPWR bits. If we don't have
-                 * a regulator, we might have some other platform specific
-                 * power control behind this translate function.
-                 */
-                if (!host->vcc && host->plat->translate_vdd)
-                        pwr |= host->plat->translate_vdd(mmc_dev(mmc), ios->vdd);
+                if (host->plat->vdd_handler)
+                        pwr |= host->plat->vdd_handler(mmc_dev(mmc), ios->vdd,
+                                                       ios->power_mode);
                 /* The ST version does not have this, fall through to POWER_ON */
                 if (host->hw_designer != AMBA_VENDOR_ST) {
                         pwr |= MCI_PWR_UP;
diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h
index 7e466fe72025..ca84ce70d5d5 100644
--- a/include/linux/amba/mmci.h
+++ b/include/linux/amba/mmci.h
@@ -15,9 +15,10 @@
  * @ocr_mask: available voltages on the 4 pins from the block, this
  * is ignored if a regulator is used, see the MMC_VDD_* masks in
  * mmc/host.h
- * @translate_vdd: a callback function to translate a MMC_VDD_*
- * mask into a value to be binary or:ed and written into the
- * MMCIPWR register of the block
+ * @vdd_handler: a callback function to translate a MMC_VDD_*
+ * mask into a value to be binary (or set some other custom bits
+ * in MMCIPWR) or:ed and written into the MMCIPWR register of the
+ * block.  May also control external power based on the power_mode.
  * @status: if no GPIO read function was given to the block in
  * gpio_wp (below) this function will be called to determine
  * whether a card is present in the MMC slot or not
@@ -29,7 +30,8 @@
 struct mmci_platform_data {
         unsigned int f_max;
         unsigned int ocr_mask;
-        u32 (*translate_vdd)(struct device *, unsigned int);
+        u32 (*vdd_handler)(struct device *, unsigned int vdd,
+                           unsigned char power_mode);
         unsigned int (*status)(struct device *);
         int     gpio_wp;
         int     gpio_cd;