Re: [PATCH V2] clk: qcom: ipq5332: mark GPLL4 as critical temporarily

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On 2/11/2023 3:44 AM, Stephen Boyd wrote:
Quoting Kathiravan T (2023-02-05 23:31:01)
diff --git a/drivers/clk/qcom/gcc-ipq5332.c b/drivers/clk/qcom/gcc-ipq5332.c
index c8a5fa1bafca..2e043d2d0598 100644
--- a/drivers/clk/qcom/gcc-ipq5332.c
+++ b/drivers/clk/qcom/gcc-ipq5332.c
@@ -127,6 +127,16 @@ static struct clk_alpha_pll gpll4_main = {
                         .parent_data = &gcc_parent_data_xo,
                         .num_parents = 1,
                         .ops = &clk_alpha_pll_stromer_ops,
+                       /*
+                        * There are no consumers for this GPLL in kernel yet,
+                        * (will be added soon), so the clock framework
+                        * disables this source. But some of the clocks
+                        * initialized by boot loaders uses this source. So we
+                        * need to keep this clock ON. Add the CRITICAL flag
+                        * so the clock will not be disabled. Once the consumer
+                        * in kernel is added, we can get rid off this flag.
s/off/of/

Does CLK_IGNORE_UNUSED work the same? It doesn't sound like a critical
clk from the description of the comment.


Sorry, somehow I missed this response. Will update to CLK_IGNORE_UNUSED in V3.


+                        */
+                       .flags = CLK_IS_CRITICAL,
                 },
         },



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