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[PATCH 4.13 11/27] brcmfmac: feature check for multi-scheduled scan fails on bcm4345 devices

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  [PATCH 4.13 11/27] brcmfmac: feature check for multi-scheduled scan fails on bcm4345 devices Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-12 19:10 +0200

#1731038 — [PATCH 4.13 11/27] brcmfmac: feature check for multi-scheduled scan fails on bcm4345 devices

4.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ian W MORRISON <ianwmorrison@gmail.com>

commit f957dd3c8db2781c8a334b166800788feb618625 upstream.

The firmware feature check introduced for multi-scheduled scan is also
failing for bcm4345 devices resulting in a firmware crash.
The reason for this crash has not yet been root cause so this patch avoids
the feature check for those device as a short-term fix.

Fixes: 9fe929aaace6 ("brcmfmac: add firmware feature detection for gscan feature")
Signed-off-by: Ian W MORRISON <ianwmorrison@gmail.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
@@ -159,7 +159,8 @@ void brcmf_feat_attach(struct brcmf_pub
 
 	brcmf_feat_firmware_capabilities(ifp);
 	memset(&gscan_cfg, 0, sizeof(gscan_cfg));
-	if (drvr->bus_if->chip != BRCM_CC_43430_CHIP_ID)
+	if (drvr->bus_if->chip != BRCM_CC_43430_CHIP_ID &&
+	    drvr->bus_if->chip != BRCM_CC_4345_CHIP_ID)
 		brcmf_feat_iovar_data_set(ifp, BRCMF_FEAT_GSCAN,
 					  "pfn_gscan_cfg",
 					  &gscan_cfg, sizeof(gscan_cfg));

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