Re: [PATCH V4] PCI: qcom: Fixing broken pcie bring up for 2_3_3 configs ops
From: Greg KH
Date: Mon Jul 17 2023 - 09:39:25 EST
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.
> 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"?
thanks,
greg k-h