[PATCH] clk: versal: Enable only GATE type clocks

Ashok Reddy Soma ashok.reddy.soma at xilinx.com
Tue Sep 28 08:00:27 CEST 2021


From: T Karthik Reddy <t.karthik.reddy at xilinx.com>

Clocks should be enabled or disabled only if they are of GATE type
clocks. If they are not of GATE type clocks, don't touch them.

Signed-off-by: T Karthik Reddy <t.karthik.reddy at xilinx.com>
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma at xilinx.com>
---

 drivers/clk/clk_versal.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/clk_versal.c b/drivers/clk/clk_versal.c
index 62523d2909..a9dd57b098 100644
--- a/drivers/clk/clk_versal.c
+++ b/drivers/clk/clk_versal.c
@@ -725,7 +725,10 @@ static int versal_clk_enable(struct clk *clk)
 
 	clk_id = priv->clk[clk->id].clk_id;
 
-	return xilinx_pm_request(PM_CLOCK_ENABLE, clk_id, 0, 0, 0, NULL);
+	if (versal_clock_gate(clk_id))
+		return xilinx_pm_request(PM_CLOCK_ENABLE, clk_id, 0, 0, 0, NULL);
+
+	return 0;
 }
 
 static struct clk_ops versal_clk_ops = {
-- 
2.17.1



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