Re: [PATCH] wifi: ath11k: clear shared SRNG pointer state on restart
Jeff Johnson <[email protected]> Mon, 18 May 2026 06:54:14 -0700
| Newsgroups | org.infradead.lists.ath11k,org.kernel.vger.linux-kernel,org.kernel.vger.linux-wireless,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
On Wed, 13 May 2026 21:52:12 -0700, Kyle Farnung wrote:
> LMAC rings reuse the shared rdp/wrp pointer buffers without going
> through the normal SRNG hw-init path that zeros non-LMAC ring
> pointers. After restart, ath11k_hal_srng_clear() can therefore hand
> stale hp/tp state from the previous firmware instance back to the new
> one.
>
> Clear the shared pointer buffers while keeping the allocations in
> place so restart still avoids reallocating SRNG DMA memory, but starts
> with fresh ring-pointer state.
>
> [...]
Applied, thanks!
[1/1] wifi: ath11k: clear shared SRNG pointer state on restart
commit: f51e4b3b5574ad8cb5b16b11f8a1452147ece87a
Best regards,
--
Jeff Johnson <[email protected]>