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37 lines
1.5 KiB
Diff
37 lines
1.5 KiB
Diff
From 439e863b9433cc6f98c32d9159f04cd86a163224 Mon Sep 17 00:00:00 2001
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From: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
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Date: Fri, 13 Mar 2020 03:12:05 -0500
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Subject: [PATCH 040/179] non-upstream: disable command decode in sdio_aos for
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4339
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AOS is a part of the SDIOD core that becomes active when the rest of
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SDIOD is sleeping to keep SDIO bus alive responding to reduced set of
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commands.
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Transaction between AOS and SDIOD is not protected, and if cmd 52 is
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received in AOS and in the middle of response state changed from AOS to
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SDIOD, response is corrupted and it causes to SDIO Host controller to
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hang.
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Signed-off-by: Wright Feng <wright.feng@cypress.com>
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Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
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---
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drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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index b1e037e1bf45..c184a745b7c2 100644
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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@@ -3622,6 +3622,7 @@ static bool brcmf_sdio_aos_no_decode(struct brcmf_sdio *bus)
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if (bus->ci->chip == CY_CC_43012_CHIP_ID ||
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bus->ci->chip == CY_CC_43752_CHIP_ID ||
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bus->ci->chip == CY_CC_4373_CHIP_ID ||
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+ bus->ci->chip == BRCM_CC_4339_CHIP_ID ||
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bus->ci->chip == BRCM_CC_4354_CHIP_ID ||
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bus->ci->chip == BRCM_CC_4356_CHIP_ID)
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return true;
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--
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2.17.1
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