From: Bjorn Helgaas <helgaas@kernel.org>
To: Krishna chaitanya chundru <quic_krichai@quicinc.com>
Cc: linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, quic_vbadigan@quicinc.com,
quic_hemantk@quicinc.com, quic_nitegupt@quicinc.com,
quic_skananth@quicinc.com, quic_ramkri@quicinc.com,
manivannan.sadhasivam@linaro.org, swboyd@chromium.org,
dmitry.baryshkov@linaro.org, "Andy Gross" <agross@kernel.org>,
"Bjorn Andersson" <bjorn.andersson@linaro.org>,
"Stanimir Varbanov" <svarbanov@mm-sol.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Prasad Malisetty" <pmaliset@qti.qualcomm.com>
Subject: Re: [PATCH v1 1/3] PCI: qcom: Add missing sc7280 clocks in PCIe driver
Date: Fri, 24 Jun 2022 16:06:40 -0500 [thread overview]
Message-ID: <20220624210640.GA1558213@bhelgaas> (raw)
In-Reply-To: <20220624170501.GA1541553@bhelgaas>
[update Prasad's email address since pmaliset@codeaurora.org bounced]
On Fri, Jun 24, 2022 at 12:05:03PM -0500, Bjorn Helgaas wrote:
> [+cc Prasad, who added sc7280]
>
> On Fri, Jun 24, 2022 at 02:49:49PM +0530, Krishna chaitanya chundru wrote:
> > Add missing clocks in the pcie driver.
>
> s/pcie/PCIe/ as in subject. Also, please mention the names of the
> clocks here, too.
>
> Does this add new functionality, or did sc7280 just never work in the
> first place?
>
> If this fixes a problem, it's nice to mention the user-visible symptom
> in the commit log to make it easier to connect this fix with the
> problem.
>
> Looks like sc7280 was added by Prasad with b89ff410253d ("PCI: qcom:
> Replace ops with struct pcie_cfg in pcie match data"), and I assume it
> was tested at that time.
>
> If I had noticed, I would have asked that b89ff410253d be a strict
> conversion to struct qcom_pcie_cfg with no functional changes, with
> sc7280 support being added in a separate patch by itself.
>
> > Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
> > ---
> > drivers/pci/controller/dwc/pcie-qcom.c | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
> > index 2ea1375..a7202f0 100644
> > --- a/drivers/pci/controller/dwc/pcie-qcom.c
> > +++ b/drivers/pci/controller/dwc/pcie-qcom.c
> > @@ -1548,7 +1548,10 @@ static const struct qcom_pcie_cfg sm8450_pcie1_cfg = {
> > static const struct qcom_pcie_cfg sc7280_cfg = {
> > .ops = &ops_1_9_0,
> > .has_tbu_clk = true,
> > + .has_ddrss_sf_tbu_clk = true,
> > .pipe_clk_need_muxing = true,
> > + .has_aggre0_clk = true,
> > + .has_aggre1_clk = true,
> > };
> >
> > static const struct qcom_pcie_cfg sc8180x_cfg = {
> > --
> > 2.7.4
> >
next prev parent reply other threads:[~2022-06-24 21:07 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-24 9:19 [PATCH v1 0/3] PCI: qcom: sc7280: add missing clocks Krishna chaitanya chundru
2022-06-24 9:19 ` [PATCH v1 1/3] PCI: qcom: Add missing sc7280 clocks in PCIe driver Krishna chaitanya chundru
2022-06-24 17:05 ` Bjorn Helgaas
2022-06-24 21:06 ` Bjorn Helgaas [this message]
2022-06-28 6:39 ` Krishna Chaitanya Chundru
2022-06-24 9:19 ` [PATCH v1 2/3] dt-bindings: pci: QCOM sc7280 add missing clocks Krishna chaitanya chundru
2022-06-24 15:23 ` Krzysztof Kozlowski
2022-06-24 16:58 ` Bjorn Helgaas
2022-06-28 6:43 ` Krishna Chaitanya Chundru
2022-06-24 9:19 ` [PATCH v1 3/3] arm64: dts: qcom: sc7280: Add missing pcie clocks Krishna chaitanya chundru
2022-06-24 15:23 ` Krzysztof Kozlowski
2022-07-01 16:11 ` [PATCH v2 0/3] PCI: qcom: sc7280: add missing aggre0, aggre1 and ddrs sf tbu clocks Krishna chaitanya chundru
2022-07-01 16:11 ` [PATCH v2 1/3] PCI: qcom: Add sc7280 aggre0, aggre1 and ddr sf tbu clocks in PCIe driver Krishna chaitanya chundru
2022-07-01 16:11 ` [PATCH v2 2/3] dt-bindings: pci: QCOM Adding sc7280 aggre0, aggre1 clocks Krishna chaitanya chundru
2022-07-04 8:24 ` Krzysztof Kozlowski
2022-07-06 11:55 ` Krishna Chaitanya Chundru
2022-07-06 14:59 ` Krzysztof Kozlowski
2022-08-29 17:45 ` Krishna Chaitanya Chundru
2022-08-30 6:23 ` Krzysztof Kozlowski
2022-07-01 16:11 ` [PATCH v2 3/3] arm64: dts: qcom: sc7280: Add missing " Krishna chaitanya chundru
2022-07-04 8:24 ` Krzysztof Kozlowski
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