Re: [PATCH v1 3/3] clk: qcom: rcg: update the DFS macro for RCG

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Hello Stephen,

On 5/10/2019 11:24 PM, Stephen Boyd wrote:
Quoting Taniya Das (2019-05-09 19:58:39)
Hello Stephen,

Thanks for the review.

On 5/9/2019 10:57 PM, Stephen Boyd wrote:
Quoting Taniya Das (2019-05-08 11:24:55)
Update the init data name for each of the dynamic frequency switch
controlled clock associated with the RCG clock name, so that it can be
generated as per the hardware plan. Thus update the macro accordingly.

Signed-off-by: Taniya Das <tdas@xxxxxxxxxxxxxx>

This patch doesn't make any sense to me.

   drivers/clk/qcom/clk-rcg.h    |  2 +-
   drivers/clk/qcom/gcc-sdm845.c | 96 +++++++++++++++++++++----------------------
   2 files changed, 49 insertions(+), 49 deletions(-)

diff --git a/drivers/clk/qcom/clk-rcg.h b/drivers/clk/qcom/clk-rcg.h
index 5562f38..e40e8f8 100644
--- a/drivers/clk/qcom/clk-rcg.h
+++ b/drivers/clk/qcom/clk-rcg.h
@@ -171,7 +171,7 @@ struct clk_rcg_dfs_data {

   #define DEFINE_RCG_DFS(r) \
-       { .rcg = &r##_src, .init = &r##_init }
+       { .rcg = &r, .init = &r##_init }

Why do we need to rename the init data?

We want to manage the init data as the clock source name, so that we
could manage to auto generate our code. So that we do not have to
re-name the clock init data manually if the DFS source names gets
updated at any point of time.

Why is the clk name changing to not have a _src after the "root" of the
clk name? As long as I can remember, RCGs have a "_src" postfix.

Yes, the RCGs would have _src, so we do want the init data also to be
generated with _src postfix. So that we do not have to manually clean up the generated code.

QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation.


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