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Sat, 06 Aug 2022 08:10:55 -0700 (PDT) Received: from thinkpad ([117.202.188.20]) by smtp.gmail.com with ESMTPSA id b4-20020a170902d50400b0016f12cc0ecdsm5189798plg.274.2022.08.06.08.10.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 06 Aug 2022 08:10:55 -0700 (PDT) Date: Sat, 6 Aug 2022 20:40:49 +0530 From: Manivannan Sadhasivam To: Johan Hovold Cc: Bjorn Andersson , Andy Gross , Konrad Dybcio , Michael Turquette , Stephen Boyd , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] clk: gcc-sc8280xp: keep PCIe power-domains always-on Message-ID: <20220806151049.GI14384@thinkpad> References: <20220805121250.10347-1-johan+linaro@kernel.org> <20220805121250.10347-2-johan+linaro@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20220805121250.10347-2-johan+linaro@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 05, 2022 at 02:12:49PM +0200, Johan Hovold wrote: > The Qualcomm PCIe driver does not yet implement suspend so to keep the > PCIe power domains always-on for now to avoid crashing during resume. > > Signed-off-by: Johan Hovold Reviewed-by: Manivannan Sadhasivam Thanks, Mani > --- > drivers/clk/qcom/gcc-sc8280xp.c | 14 +++++++++----- > 1 file changed, 9 insertions(+), 5 deletions(-) > > diff --git a/drivers/clk/qcom/gcc-sc8280xp.c b/drivers/clk/qcom/gcc-sc8280xp.c > index a2f3ffcc5849..eaeada42e13a 100644 > --- a/drivers/clk/qcom/gcc-sc8280xp.c > +++ b/drivers/clk/qcom/gcc-sc8280xp.c > @@ -6768,6 +6768,10 @@ static struct gdsc pcie_1_tunnel_gdsc = { > .flags = VOTABLE, > }; > > +/* > + * The Qualcomm PCIe driver does not yet implement suspend so to keep the > + * PCIe power domains always-on for now. > + */ > static struct gdsc pcie_2a_gdsc = { > .gdscr = 0x9d004, > .collapse_ctrl = 0x52128, > @@ -6776,7 +6780,7 @@ static struct gdsc pcie_2a_gdsc = { > .name = "pcie_2a_gdsc", > }, > .pwrsts = PWRSTS_OFF_ON, > - .flags = VOTABLE, > + .flags = VOTABLE | ALWAYS_ON, > }; > > static struct gdsc pcie_2b_gdsc = { > @@ -6787,7 +6791,7 @@ static struct gdsc pcie_2b_gdsc = { > .name = "pcie_2b_gdsc", > }, > .pwrsts = PWRSTS_OFF_ON, > - .flags = VOTABLE, > + .flags = VOTABLE | ALWAYS_ON, > }; > > static struct gdsc pcie_3a_gdsc = { > @@ -6798,7 +6802,7 @@ static struct gdsc pcie_3a_gdsc = { > .name = "pcie_3a_gdsc", > }, > .pwrsts = PWRSTS_OFF_ON, > - .flags = VOTABLE, > + .flags = VOTABLE | ALWAYS_ON, > }; > > static struct gdsc pcie_3b_gdsc = { > @@ -6809,7 +6813,7 @@ static struct gdsc pcie_3b_gdsc = { > .name = "pcie_3b_gdsc", > }, > .pwrsts = PWRSTS_OFF_ON, > - .flags = VOTABLE, > + .flags = VOTABLE | ALWAYS_ON, > }; > > static struct gdsc pcie_4_gdsc = { > @@ -6820,7 +6824,7 @@ static struct gdsc pcie_4_gdsc = { > .name = "pcie_4_gdsc", > }, > .pwrsts = PWRSTS_OFF_ON, > - .flags = VOTABLE, > + .flags = VOTABLE | ALWAYS_ON, > }; > > static struct gdsc ufs_card_gdsc = { > -- > 2.35.1 > -- மணிவண்ணன் சதாசிவம்