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authorClaudiu Beznea <claudiu.beznea@microchip.com>2020-09-07 17:46:35 +0300
committerEugen Hristev <eugen.hristev@microchip.com>2020-09-22 11:27:18 +0300
commit9a5d59dfc6475c4770bf702e4f30e338499310fd (patch)
tree7b29f10ea3731a74bdbfd8f8c183c33d0742106b /drivers/clk
parent4d139f3838b4ee48d7df9ca9c37ccd1a57202a52 (diff)
clk: do not disable clock if it is critical
Do not disable clock if it is a critical one. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/clk-uclass.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index 5e0c8419d6..b8538f342a 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -606,6 +606,9 @@ int clk_disable(struct clk *clk)
if (CONFIG_IS_ENABLED(CLK_CCF)) {
if (clk->id && !clk_get_by_id(clk->id, &clkp)) {
+ if (clkp->flags & CLK_IS_CRITICAL)
+ return 0;
+
if (clkp->enable_count == 0) {
printf("clk %s already disabled\n",
clkp->dev->name);