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build/patch/kernel/archive/sunxi-5.15/patches.cypress/0041-non-upstream-disable-command-decode-in-sdio_aos-for-.patch

37 lines
1.5 KiB
Diff

From c7935ce4be334d9d4ca2766c1a38058e3d85d12a Mon Sep 17 00:00:00 2001
From: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Date: Fri, 13 Mar 2020 03:15:29 -0500
Subject: [PATCH 041/179] non-upstream: disable command decode in sdio_aos for
43455
AOS is a part of the SDIOD core that becomes active when the rest of
SDIOD is sleeping to keep SDIO bus alive responding to reduced set of
commands.
Transaction between AOS and SDIOD is not protected, and if cmd 52 is
received in AOS and in the middle of response state changed from AOS to
SDIOD, response is corrupted and it causes to SDIO Host controller to
hang.
Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
---
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index c184a745b7c2..f7c449f5c83e 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -3623,6 +3623,7 @@ static bool brcmf_sdio_aos_no_decode(struct brcmf_sdio *bus)
bus->ci->chip == CY_CC_43752_CHIP_ID ||
bus->ci->chip == CY_CC_4373_CHIP_ID ||
bus->ci->chip == BRCM_CC_4339_CHIP_ID ||
+ bus->ci->chip == BRCM_CC_4345_CHIP_ID ||
bus->ci->chip == BRCM_CC_4354_CHIP_ID ||
bus->ci->chip == BRCM_CC_4356_CHIP_ID)
return true;
--
2.17.1