| Message ID | 20221226094248.4506-9-roger.lu@mediatek.com |
|---|---|
| State | New |
| Headers | show |
| Series | Enahance SVS's robustness | expand |
diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c index 2c1fbf11b554..934e7ea976b0 100644 --- a/drivers/soc/mediatek/mtk-svs.c +++ b/drivers/soc/mediatek/mtk-svs.c @@ -6,6 +6,7 @@ #include <linux/bitfield.h> #include <linux/bits.h> #include <linux/clk.h> +#include <linux/clk-provider.h> #include <linux/completion.h> #include <linux/cpuidle.h> #include <linux/debugfs.h> @@ -1543,6 +1544,9 @@ static int svs_suspend(struct device *dev) int ret; u32 idx; + if (!__clk_is_enabled(svsp->main_clk)) + return 0; + for (idx = 0; idx < svsp->bank_max; idx++) { svsb = &svsp->banks[idx];
SVS's main_clk might be disabled in svs_resume(). Therefore, if main_clk is disabled and svs_suspend() is called by system-wide suspend stage, return 0 directly. Signed-off-by: Roger Lu <roger.lu@mediatek.com> --- drivers/soc/mediatek/mtk-svs.c | 4 ++++ 1 file changed, 4 insertions(+)