patches.renesas/0154-mmc-host-tmio-disable-clocks-when-unbinding.patch

From 8f7ba7d5d1b58d1015257dfd8e926c46198dd0aa Mon Sep 17 00:00:00 2001
From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Date: Tue, 17 Jan 2017 21:26:01 +0100
Subject: [PATCH 154/255] mmc: host: tmio: disable clocks when unbinding

Create a helper function to disable clocks and use it in remove(), too.
Now, clk_summary in debugfs reports the clocks as disabled and
unprepared after unbinding.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
(cherry picked from commit dfcba5ffca989749d1fc49d5b82a2d007b1295b7)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/mmc/host/tmio_mmc_pio.c |   11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -900,6 +900,12 @@ static int tmio_mmc_clk_enable(struct tm
 	return host->clk_enable(host);
 }
 
+static void tmio_mmc_clk_disable(struct tmio_mmc_host *host)
+{
+	if (host->clk_disable)
+		host->clk_disable(host);
+}
+
 static void tmio_mmc_power_on(struct tmio_mmc_host *host, unsigned short vdd)
 {
 	struct mmc_host *mmc = host->mmc;
@@ -1284,6 +1290,8 @@ void tmio_mmc_host_remove(struct tmio_mm
 
 	pm_runtime_put_sync(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
+
+	tmio_mmc_clk_disable(host);
 }
 EXPORT_SYMBOL(tmio_mmc_host_remove);
 
@@ -1298,8 +1306,7 @@ int tmio_mmc_host_runtime_suspend(struct
 	if (host->clk_cache)
 		tmio_mmc_clk_stop(host);
 
-	if (host->clk_disable)
-		host->clk_disable(host);
+	tmio_mmc_clk_disable(host);
 
 	return 0;
 }