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From: Rajendra Nayak <quic_rjendra@quicinc.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	"Krishna chaitanya chundru" <quic_krichai@quicinc.com>
Cc: <helgaas@kernel.org>, <linux-pci@vger.kernel.org>,
	<linux-arm-msm@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<mka@chromium.org>, <quic_vbadigan@quicinc.com>,
	<quic_hemantk@quicinc.com>, <quic_nitegupt@quicinc.com>,
	<quic_skananth@quicinc.com>, <quic_ramkri@quicinc.com>,
	<swboyd@chromium.org>, <dmitry.baryshkov@linaro.org>,
	Bjorn Andersson <andersson@kernel.org>,
	"Andy Gross" <agross@kernel.org>,
	Konrad Dybcio <konrad.dybcio@somainline.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	"open list:COMMON CLK FRAMEWORK" <linux-clk@vger.kernel.org>
Subject: Re: [PATCH v6 5/5] clk: qcom: Alwaya on pcie gdsc
Date: Tue, 13 Sep 2022 12:12:32 +0530	[thread overview]
Message-ID: <49536ca8-ef98-9927-d1be-977ab5244c91@quicinc.com> (raw)
In-Reply-To: <20220912170437.GA36223@thinkpad>


On 9/12/2022 10:34 PM, Manivannan Sadhasivam wrote:
> + Rajendra
> 
> On Fri, Sep 09, 2022 at 02:14:44PM +0530, Krishna chaitanya chundru wrote:
>> Make GDSC always on to ensure controller and its dependent clocks
>> won't go down during system suspend.
>>
> 
> You need to mention the SoC name in subject, otherwise one cannot know for
> which platform this patch applies to.
> 
>> Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
>> ---
>>   drivers/clk/qcom/gcc-sc7280.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/clk/qcom/gcc-sc7280.c b/drivers/clk/qcom/gcc-sc7280.c
>> index 7ff64d4..2f781a2 100644
>> --- a/drivers/clk/qcom/gcc-sc7280.c
>> +++ b/drivers/clk/qcom/gcc-sc7280.c
>> @@ -3109,7 +3109,7 @@ static struct gdsc gcc_pcie_1_gdsc = {
>>   		.name = "gcc_pcie_1_gdsc",
>>   	},
>>   	.pwrsts = PWRSTS_OFF_ON,
>> -	.flags = VOTABLE,
>> +	.flags = ALWAYS_ON,
> 
> Rajendra, should we also put PCIe GDSC into retention state as you have done for
> USB [1]?

Yes, it looks like we should handle this the same way as we did with usb.
Why are we removing the VOTABLE flag anyway?

> 
> Thanks,
> Mani
> 
> [1] https://lore.kernel.org/all/20220901101756.28164-2-quic_rjendra@quicinc.com/
> 
>>   };
>>   
>>   static struct gdsc gcc_ufs_phy_gdsc = {
>> -- 
>> 2.7.4
>>
> 

  reply	other threads:[~2022-09-13  6:43 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-09  8:44 [PATCH v6 0/5] PCI: qcom: Add system suspend & resume support Krishna chaitanya chundru
2022-09-09  8:44 ` [PATCH v6 1/5] PCI: qcom: Add system suspend and " Krishna chaitanya chundru
2022-09-09 17:31   ` Matthias Kaehlcke
2022-09-12 16:06     ` Krishna Chaitanya Chundru
2022-09-12 16:54       ` Matthias Kaehlcke
2022-09-12 17:09     ` Manivannan Sadhasivam
2022-09-09  8:44 ` [PATCH v6 2/5] PCI: qcom: Add retry logic for link to be stable in L1ss Krishna chaitanya chundru
2022-09-09 19:50   ` Bjorn Helgaas
2022-09-12 16:09     ` Krishna Chaitanya Chundru
2022-09-12 17:33       ` Manivannan Sadhasivam
2022-09-13 14:24         ` Krishna Chaitanya Chundru
2022-09-13 16:39           ` Manivannan Sadhasivam
2022-09-14  1:45             ` Krishna Chaitanya Chundru
2022-09-14  5:59               ` Manivannan Sadhasivam
2022-09-19 16:23   ` kernel test robot
2022-09-09  8:44 ` [PATCH v6 3/5] phy: core: Add support for phy power down & power up Krishna chaitanya chundru
2022-09-09  9:04   ` Dmitry Baryshkov
2022-09-14 14:50     ` Krishna Chaitanya Chundru
2022-09-19 17:29       ` Dmitry Baryshkov
2022-09-20  9:41         ` Krishna Chaitanya Chundru
2022-09-13 14:58   ` Vinod Koul
2022-09-13 16:41     ` Bjorn Helgaas
2022-09-09  8:44 ` [PATCH v6 4/5] phy: qcom: Add power down/up callbacks to pcie phy Krishna chaitanya chundru
2022-09-09  8:44 ` [PATCH v6 5/5] clk: qcom: Alwaya on pcie gdsc Krishna chaitanya chundru
2022-09-12 17:04   ` Manivannan Sadhasivam
2022-09-13  6:42     ` Rajendra Nayak [this message]
2022-09-13 16:42       ` Manivannan Sadhasivam
2022-09-14  1:47         ` Krishna Chaitanya Chundru
2022-09-13 16:34     ` Bjorn Helgaas
2022-09-14  1:48       ` Krishna Chaitanya Chundru
2022-09-09 19:51 ` [PATCH v6 0/5] PCI: qcom: Add system suspend & resume support Bjorn Helgaas
2022-09-12 16:10   ` Krishna Chaitanya Chundru
2022-09-12 17:08     ` Bjorn Helgaas
2022-09-12 17:21       ` Manivannan Sadhasivam
2022-09-12 17:37 ` Manivannan Sadhasivam
2022-09-14  1:47   ` Krishna Chaitanya Chundru

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