From 0994e65c6a32ea7009d1fe89f7261cb5d106c7a3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Tue, 12 Feb 2019 13:43:06 +0100 Subject: mac80211: brcmfmac: backport remaining patches from the Linux 5.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki --- ...cmfmac-disable-command-decode-in-sdio_aos.patch | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 package/kernel/mac80211/patches/brcm/329-v5.0-0008-brcmfmac-disable-command-decode-in-sdio_aos.patch (limited to 'package/kernel/mac80211/patches/brcm/329-v5.0-0008-brcmfmac-disable-command-decode-in-sdio_aos.patch') diff --git a/package/kernel/mac80211/patches/brcm/329-v5.0-0008-brcmfmac-disable-command-decode-in-sdio_aos.patch b/package/kernel/mac80211/patches/brcm/329-v5.0-0008-brcmfmac-disable-command-decode-in-sdio_aos.patch new file mode 100644 index 0000000000..a1125e588d --- /dev/null +++ b/package/kernel/mac80211/patches/brcm/329-v5.0-0008-brcmfmac-disable-command-decode-in-sdio_aos.patch @@ -0,0 +1,45 @@ +From 29f6589140a10ece8c1d73f58043ea5b3473ab3e Mon Sep 17 00:00:00 2001 +From: Wright Feng +Date: Wed, 21 Nov 2018 07:53:52 +0000 +Subject: [PATCH] brcmfmac: disable command decode in sdio_aos + +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. + +Command decode for below chips are disabled in this commit: + - 4339 + - 4345 + - 4354 + - 4373 + +Reviewed-by: Arend van Spriel +Signed-off-by: Wright Feng +Signed-off-by: Double Lo +Signed-off-by: Madhan Mohan R +Signed-off-by: Chi-Hsien Lin +Signed-off-by: Kalle Valo +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +@@ -3354,7 +3354,11 @@ err: + + static bool brcmf_sdio_aos_no_decode(struct brcmf_sdio *bus) + { +- if (bus->ci->chip == CY_CC_43012_CHIP_ID) ++ if (bus->ci->chip == CY_CC_43012_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) + return true; + else + return false; -- cgit v1.2.3