mac80211: backport brcmfmac to support multiple devices NVRAM

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@45577 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 27 insertions, 0 deletions

diff --git a/package/kernel/mac80211/patches/359-brcmfmac-process-interrupt-regardless-sdiod-state.patch b/package/kernel/mac80211/patches/359-brcmfmac-process-interrupt-regardless-sdiod-state.patch
new file mode 100644
index 0000000000..d420308383
--- /dev/null
+++ b/package/kernel/mac80211/patches/359-brcmfmac-process-interrupt-regardless-sdiod-state.patch
@@ -0,0 +1,27 @@
+From: Arend van Spriel <arend@broadcom.com>
+Date: Tue, 14 Apr 2015 20:10:29 +0200
+Subject: [PATCH] brcmfmac: process interrupt regardless sdiod state
+
+When the sdio bus state is not ready to process we abort the
+interrupt service routine. This is not wanted as it keeps the
+interrupt source active. Better clear the interrupt source.
+
+Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
+Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
+Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
+Signed-off-by: Arend van Spriel <arend@broadcom.com>
+---
+
+--- a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
++++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
+@@ -3555,10 +3555,6 @@ void brcmf_sdio_isr(struct brcmf_sdio *b
+ 		return;
+ 	}
+ 
+-	if (bus->sdiodev->state != BRCMF_SDIOD_DATA) {
+-		brcmf_err("bus is down. we have nothing to do\n");
+-		return;
+-	}
+ 	/* Count the interrupt call */
+ 	bus->sdcnt.intrcount++;
+ 	if (in_interrupt())