From: Lars Persson <lars.persson@axis.com>
Date: Wed, 27 Apr 2016 15:21:28 +0000 (+0200)
Subject: mmc: usdhi6rol0: add support for UHS modes
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0cd59df9f028319e193113280d51c9d87b0b36ad;p=linux-beck.git

mmc: usdhi6rol0: add support for UHS modes

Add a start_signal_voltage_switch() operation to support enabling of
UHS modes.

Signed-off-by: Lars Persson <larper@axis.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---

diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c
index e9c8dfa01bf8..743e2005ab17 100644
--- a/drivers/mmc/host/usdhi6rol0.c
+++ b/drivers/mmc/host/usdhi6rol0.c
@@ -1147,12 +1147,22 @@ static void usdhi6_enable_sdio_irq(struct mmc_host *mmc, int enable)
 	}
 }
 
+static int usdhi6_sig_volt_switch(struct mmc_host *mmc, struct mmc_ios *ios)
+{
+	int ret;
+
+	ret = mmc_regulator_set_vqmmc(mmc, ios);
+
+	return ret;
+}
+
 static struct mmc_host_ops usdhi6_ops = {
 	.request	= usdhi6_request,
 	.set_ios	= usdhi6_set_ios,
 	.get_cd		= usdhi6_get_cd,
 	.get_ro		= usdhi6_get_ro,
 	.enable_sdio_irq = usdhi6_enable_sdio_irq,
+	.start_signal_voltage_switch = usdhi6_sig_volt_switch,
 };
 
 /*			State machine handlers				*/