Messages in this thread | | | From | Dmitry Baryshkov <> | Date | Tue, 21 Nov 2023 20:40:23 +0200 | Subject | Re: [PATCH v4 1/3] PCI: qcom: Enable cache coherency for SA8775P RC |
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On Tue, 21 Nov 2023 at 16:38, Mrinmay Sarkar <quic_msarkar@quicinc.com> wrote: > > In a multiprocessor system cache snooping maintains the consistency > of caches. Snooping logic is disabled from HW on this platform. > Cache coherency doesn’t work without enabling this logic. > > 8775 has IP version 1.34.0 so intruduce a new cfg(cfg_1_34_0) for this > platform. Assign no_snoop_override flag into struct qcom_pcie_cfg and > set it true in cfg_1_34_0 and enable cache snooping if this particular > flag is true.
Thank you!
> > Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com> > --- > drivers/pci/controller/dwc/pcie-qcom.c | 20 +++++++++++++++++++- > 1 file changed, 19 insertions(+), 1 deletion(-)
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
-- With best wishes Dmitry
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