Re: [PATCH ath-next] wifi: ath12k: update IPQ5332 BDF address offset
Jeff Johnson <[email protected]> Tue, 14 Jul 2026 11:08:06 -0700
| Newsgroups | org.infradead.lists.ath12k,org.kernel.vger.linux-wireless |
|---|---|
| Message-ID | <[email protected]> |
On Fri, 10 Jul 2026 11:05:34 +0530, Aaradhana Sahu wrote:
> In the ath12k driver, the BDF_MEM_REGION_TYPE address is derived by
> adding a fixed bdf_addr_offset to the WCSS Q6 region base address.
>
> The current offset (0xC00000) works only when the Q6 region contains
> the IPQ5332 ucode alone. On some IPQ5332 platform variants, additional
> devices share the same WCSS Q6 processor and place their firmware
> ucode in the same Q6 region. This results in multiple ucode sections
> within the region, and the existing offset can cause the BDF memory
> region to overlap with firmware read-only sections, which can lead to
> firmware crash and driver boot failure.
>
> [...]
Applied, thanks!
[1/1] wifi: ath12k: update IPQ5332 BDF address offset
commit: 7bbce23531417dfbf9a2c1a38f31010a1afdfc91
Best regards,
--
Jeff Johnson <[email protected]>