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authorBaochen Qiang <[email protected]>2021-12-22 09:35:35 +0800
committerKalle Valo <[email protected]>2021-12-22 19:39:13 +0200
commit71c748b5e01e3e28838a8e26a8966fb5adb03df7 (patch)
tree7b1966802684c56b44c2365288f5f97cac6bf171 /tools/perf/scripts/python/stackcollapse.py
parent42da1cc7bd537ea63ddebf88aedcdafcccb00131 (diff)
ath11k: Fix unexpected return buffer manager error for QCA6390
We are seeing below error on QCA6390: ... [70211.671189] ath11k_pci 0000:72:00.0: failed to parse rx error in wbm_rel ring desc -22 [70212.696154] ath11k_pci 0000:72:00.0: failed to parse rx error in wbm_rel ring desc -22 [70213.092941] ath11k_pci 0000:72:00.0: failed to parse rx error in wbm_rel ring desc -22 ... The reason is that, with commit 734223d78428 ("ath11k: change return buffer manager for QCA6390"), ath11k expects the return buffer manager (RBM) field of descriptor configured as HAL_RX_BUF_RBM_SW1_BM when parsing error frames from WBM2SW3_RELEASE ring. This is a wrong change cause the RBM field is set as HAL_RX_BUF_RBM_SW3_BM. The same issue also applies to REO2TCL ring though we have not got any error reported. Fix it by changing RBM from HAL_RX_BUF_RBM_SW1_BM to HAL_RX_BUF_RBM_SW3_BM for these two rings. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Fixes: 734223d78428 ("ath11k: change return buffer manager for QCA6390") Signed-off-by: Baochen Qiang <[email protected]> Signed-off-by: Kalle Valo <[email protected]> Link: https://lore.kernel.org/r/[email protected]
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