commit 91e95ff1c5110f67d87675ee326ff59b7b928302
author Michal Simek <michal.simek@xilinx.com> Wed Jun 13 09:12:29 2018 +0200
committer Michal Simek <michal.simek@xilinx.com> Fri Jun 15 08:54:04 2018 +0200
tree b2dc45586581ea09da23f44bd836760a81959838
parent b6f9cbb7e8e3c98d97bfb4d38b724c84d84d6ab1

mmc: zynq: Fix tuning_loop_counter type in arasan_sdhci_execute_tuning()

Code around tuning_loop_counter variable expects to go below zero.
That's why this variable can't use unsigned type.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

drivers/mmc/zynq_sdhci.c

diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
index 5b6d525..b05334d 100644
--- a/drivers/mmc/zynq_sdhci.c
+++ b/drivers/mmc/zynq_sdhci.c
@@ -92,7 +92,7 @@
 	u32 ctrl;
 	struct sdhci_host *host;
 	struct arasan_sdhci_priv *priv = dev_get_priv(mmc->dev);
-	u8 tuning_loop_counter = SDHCI_TUNING_LOOP_COUNT;
+	char tuning_loop_counter = SDHCI_TUNING_LOOP_COUNT;
 	u8 deviceid;
 
 	debug("%s\n", __func__);