[PATCH] wifi: ath11k: clear shared SRNG pointer state on restart

Jeff Johnson jeff.johnson at oss.qualcomm.com
Mon May 18 06:54:14 PDT 2026


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 <jeff.johnson at oss.qualcomm.com>




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