[PATCH 05/22] clk: do not disable clock if it is critical

Claudiu Beznea claudiu.beznea at microchip.com
Wed Jul 29 16:51:24 CEST 2020


Do not disable clock if it is a critical one.

Signed-off-by: Claudiu Beznea <claudiu.beznea at microchip.com>
---
 drivers/clk/clk-uclass.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index b390a6b01c06..958a9490bee2 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -605,6 +605,9 @@ 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);
-- 
2.7.4



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