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wil6210: fix eDMA RX chaining

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HW requires Rx buffers to be 4 bytes aligned. Modify the driver to
meet this requirement.
Enable OFU rdy valid bug fix, to prevent hang in oful34_rx while
there is back-pressure from host during RX.

Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Maya Erez
2018-07-24 10:44:40 +03:00
committed by Kalle Valo
parent d554edcd97
commit 1bb38e8bb8
3 changed files with 15 additions and 7 deletions
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7
drivers/net/wireless/ath/wil6210/main.c
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@@ -1614,6 +1614,13 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
wil->txrx_ops.configure_interrupt_moderation(wil);
/* Enable OFU rdy valid bug fix, to prevent hang in oful34_rx
* while there is back-pressure from Host during RX
*/
if (wil->hw_version >= HW_VER_TALYN_MB)
wil_s(wil, RGF_DMA_MISC_CTL,
BIT_OFUL34_RDY_VALID_BUG_FIX_EN);
rc = wil_restore_vifs(wil);
if (rc) {
wil_err(wil, "failed to restore vifs, rc %d\n", rc);