In order to avoid conditional statements at the caller site, this patch
updates _generic_set_opp_clk_only() to work for devices that don't
change frequency (like power domains, etc.). Return 0 if the clk pointer
passed to this routine is not valid.

Signed-off-by: Viresh Kumar <[email protected]>
---
 drivers/opp/core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index a96ffd9051b1..6b09d468d37a 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -726,6 +726,10 @@ static inline int _generic_set_opp_clk_only(struct device 
*dev, struct clk *clk,
 {
        int ret;
 
+       /* We may reach here for devices which don't change frequency */
+       if (unlikely(!clk))
+               return 0;
+
        ret = clk_set_rate(clk, freq);
        if (ret) {
                dev_err(dev, "%s: failed to set clock rate: %d\n", __func__,
-- 
2.25.0.rc1.19.g042ed3e048af

Reply via email to