ARM: 7219/1: mmc: mmci: Change vdd_handler to a generic ios_handler

The purpose of the vdd_handler does not make sense. We remove it
and use a generic approach instead. A new ios_handler is added, the
purpose of which e.g. can be to control GPIO pins to a levelshifter.

Previously the vdd_handler was also used for making additional
changes to the power register bits. This option is superfluous and is
therefore removed.

Adaptaptions from the old vdd_handler to the new ios_handler is done for
mach-ux500 board, which was the only one using the vdd_handler.

This patch is based upon a patch from Sebastian Rasmussen.

Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Rasmussen <sebastian.rasmussen@stericsson.com>
Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index eb11ce6..0af1507 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1026,6 +1026,10 @@
 	unsigned long flags;
 	int ret;
 
+	if (host->plat->ios_handler &&
+		host->plat->ios_handler(mmc_dev(mmc), ios))
+			dev_err(mmc_dev(mmc), "platform ios_handler failed\n");
+
 	switch (ios->power_mode) {
 	case MMC_POWER_OFF:
 		if (host->vcc)
@@ -1045,10 +1049,6 @@
 				return;
 			}
 		}
-		if (host->plat->vdd_handler)
-			pwr |= host->plat->vdd_handler(mmc_dev(mmc), ios->vdd,
-						       ios->power_mode);
-
 		/*
 		 * The ST Micro variant doesn't have the PL180s MCI_PWR_UP
 		 * and instead uses MCI_PWR_ON so apply whatever value is