mmc: sdhci: fix "pwr may be used uninitialized" warning
This patch fixes a warning when compiling the sdhci driver:
pwr may be used uninitialized in sdhci_set_power
Tested with the following compiler versions: 4.2.4 and 4.4.4
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 96c7f60..d3f924b 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1050,11 +1050,9 @@
static void sdhci_set_power(struct sdhci_host *host, unsigned short power)
{
- u8 pwr;
+ u8 pwr = 0;
- if (power == (unsigned short)-1)
- pwr = 0;
- else {
+ if (power != (unsigned short)-1) {
switch (1 << power) {
case MMC_VDD_165_195:
pwr = SDHCI_POWER_180;