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| author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2020-09-07 17:46:35 +0300 |
|---|---|---|
| committer | Eugen Hristev <eugen.hristev@microchip.com> | 2020-09-22 11:27:18 +0300 |
| commit | 9a5d59dfc6475c4770bf702e4f30e338499310fd (patch) | |
| tree | 7b29f10ea3731a74bdbfd8f8c183c33d0742106b /drivers/clk/clk-uclass.c | |
| parent | 4d139f3838b4ee48d7df9ca9c37ccd1a57202a52 (diff) | |
| download | u-boot-9a5d59dfc6475c4770bf702e4f30e338499310fd.tar.gz u-boot-9a5d59dfc6475c4770bf702e4f30e338499310fd.tar.xz u-boot-9a5d59dfc6475c4770bf702e4f30e338499310fd.zip | |
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/clk-uclass.c')
| -rw-r--r-- | drivers/clk/clk-uclass.c | 3 |
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); |