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 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c index 86e478523c44..32d626793cd4 100644 --- a/drivers/mmc/zynq_sdhci.c +++ b/drivers/mmc/zynq_sdhci.c @@ -92,7 +92,7 @@ static int arasan_sdhci_execute_tuning(struct mmc *mmc, u8 opcode) 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__);