[PATCH] ARM: mach-s3c24xx: Fix boolean expressions in osiris_dvs_notify

From: Gustavo A. R. Silva
Date: Thu Jan 03 2019 - 15:14:32 EST


Fix boolean expressions by using logical AND operator '&&'
instead of bitwise operator '&'.

This issue was detected with the help of Coccinelle.

Fixes: 4fa084af28ca ("ARM: OSIRIS: DVS (Dynamic Voltage Scaling) supoort.")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
---
arch/arm/mach-s3c24xx/mach-osiris-dvs.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-s3c24xx/mach-osiris-dvs.c b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c
index 058ce73137e8..ccbd7b7965ca 100644
--- a/arch/arm/mach-s3c24xx/mach-osiris-dvs.c
+++ b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c
@@ -65,16 +65,16 @@ static int osiris_dvs_notify(struct notifier_block *nb,

switch (val) {
case CPUFREQ_PRECHANGE:
- if (old_dvs & !new_dvs ||
- cur_dvs & !new_dvs) {
+ if (old_dvs && !new_dvs ||
+ cur_dvs && !new_dvs) {
pr_debug("%s: exiting dvs\n", __func__);
cur_dvs = false;
gpio_set_value(OSIRIS_GPIO_DVS, 1);
}
break;
case CPUFREQ_POSTCHANGE:
- if (!old_dvs & new_dvs ||
- !cur_dvs & new_dvs) {
+ if (!old_dvs && new_dvs ||
+ !cur_dvs && new_dvs) {
pr_debug("entering dvs\n");
cur_dvs = true;
gpio_set_value(OSIRIS_GPIO_DVS, 0);
--
2.20.1