Re: [PATCH V4] PCI: qcom: Fixing broken pcie bring up for 2_3_3 configs ops

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On Mon, 17 Jul 2023 at 20:16, Sricharan Ramabadhran
<quic_srichara@xxxxxxxxxxx> wrote:
>
>
>
> On 7/17/2023 7:09 PM, Greg KH wrote:
> > On Mon, Jul 17, 2023 at 12:25:35PM +0530, Sricharan Ramabadhran wrote:
> >> PARF_SLV_ADDR_SPACE_SIZE_2_3_3 macro is used for IPQ8074
> >> 2_3_3 post_init ops. PCIe slave addr size was initially set
> >> to 0x358, but was wrongly changed to 0x168 as a part of
> >> commit 39171b33f652 ("PCI: qcom: Remove PCIE20_ prefix from
> >> register definitions"). Fixing it, by using the right macro
> >> PARF_SLV_ADDR_SPACE_SIZE and remove the unused
> >> PARF_SLV_ADDR_SPACE_SIZE_2_3_3.
> >
> > Note, you do have a full 72 columns to use, no need to make it smaller.
>
>   ok sure
>
> >
> >> Without this pcie bring up on IPQ8074 is broken now.
> >
> > I do not understand, something that used to work now breaks, or this is
> > preventing a new chip from being "brought up"?
> >
>
>   yes, ipq8074 pcie which was previously working is broken now.
>   This patch fixes it.

So, you need to describe what is broken and why. Mere "it is broken,
fix it" is not enough.

>
>
> Regards,
>   Sricharan



-- 
With best wishes
Dmitry



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