From: Taniya Das <tdas@codeaurora.org>
To: Stephen Boyd <sboyd@kernel.org>,
Michael Turquette <mturquette@baylibre.com>
Cc: David Brown <david.brown@linaro.org>,
Rajendra Nayak <rnayak@codeaurora.org>,
linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org,
linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
Andy Gross <agross@kernel.org>,
devicetree@vger.kernel.org, robh@kernel.org, robh+dt@kernel.org
Subject: Re: [PATCH v1 1/3] clk: qcom: gcc: Add support for a new frequency for SC7180
Date: Sun, 17 May 2020 15:31:43 +0530 [thread overview]
Message-ID: <700ce3fd-8869-1531-ede3-79c2f514efad@codeaurora.org> (raw)
In-Reply-To: <158438095454.88485.11063617239206162025@swboyd.mtv.corp.google.com>
Hello Stephen,
Thanks for your review.
On 3/16/2020 11:19 PM, Stephen Boyd wrote:
> Quoting Taniya Das (2020-03-16 03:54:40)
>> There is a requirement to support 51.2MHz from GPLL6 for qup clocks,
>> thus update the frequency table and parent data/map to use the GPLL6
>> source PLL.
>>
>> Signed-off-by: Taniya Das <tdas@codeaurora.org>
>> ---
>
> Any Fixes: tag for this? I guess the beginning of this driver being
> introduced?
>
Sure, will add the same.
>> drivers/clk/qcom/gcc-sc7180.c | 73 ++++++++++++++++++++++---------------------
>> 1 file changed, 37 insertions(+), 36 deletions(-)
>>
>> diff --git a/drivers/clk/qcom/gcc-sc7180.c b/drivers/clk/qcom/gcc-sc7180.c
>> index 7f59fb8..ad75847 100644
>> --- a/drivers/clk/qcom/gcc-sc7180.c
>> +++ b/drivers/clk/qcom/gcc-sc7180.c
>> @@ -405,8 +406,8 @@ static const struct freq_tbl ftbl_gcc_qupv3_wrap0_s0_clk_src[] = {
>>
>> static struct clk_init_data gcc_qupv3_wrap0_s0_clk_src_init = {
>> .name = "gcc_qupv3_wrap0_s0_clk_src",
>> - .parent_data = gcc_parent_data_0,
>> - .num_parents = 4,
>> + .parent_data = gcc_parent_data_1,
>
> This should have been done initially. We shouldn't need to describe
> "new" parents when they have always been there. Are there other clks in
> this driver that actually have more parents than we've currently
> described? If so, please fix them.
>
The auto generation script does not consider to define the parent unless
it is used in the frequency table to derive a frequency. For now I
didn't find any other sources missed.
>> + .num_parents = 5,
>
> Can you use ARRAY_SIZE(gcc_parent_data_1) instead? That way this isn't a
> hard-coded value.
>
Yes will take care of it too.
>> .ops = &clk_rcg2_ops,
>> };
>>
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation.
--
next prev parent reply other threads:[~2020-05-17 10:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-16 10:54 [PATCH v1 0/3] Add GCC clock driver support Taniya Das
2020-03-16 10:54 ` [PATCH v1 1/3] clk: qcom: gcc: Add support for a new frequency for SC7180 Taniya Das
2020-03-16 17:49 ` Stephen Boyd
2020-05-17 10:01 ` Taniya Das [this message]
2020-03-16 10:54 ` [PATCH v1 2/3] dt-bindings: clock: Add gcc_sec_ctrl_clk_src clock ID Taniya Das
2020-03-16 10:54 ` [PATCH v1 3/3] clk: qcom: gcc: Add support for Secure control source clock Taniya Das
2020-03-16 17:49 ` Stephen Boyd
2020-05-17 10:02 ` Taniya Das
2020-03-16 17:06 ` [PATCH v1 0/3] Add GCC clock driver support Stephen Boyd
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