summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
diff options
context:
space:
mode:
authorArend van Spriel <arend@broadcom.com>2014-01-13 22:20:29 +0100
committerJohn W. Linville <linville@tuxdriver.com>2014-01-16 14:55:41 -0500
commitbb350711ecb86568468b497d0ecd5c3fd7b45b1b (patch)
tree769a227a2d7cad25cf72fcedbbf555360b60eb3c /drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
parent2668b0b16cb555abe1b35a1c3cdeb482799fb7cb (diff)
downloadop-kernel-dev-bb350711ecb86568468b497d0ecd5c3fd7b45b1b.zip
op-kernel-dev-bb350711ecb86568468b497d0ecd5c3fd7b45b1b.tar.gz
brcmfmac: handle SDIO card removal
When removing the card the driver still tries to access registers in the device. This patch adds another state for the bus that indicates the device is no longer reachable. This avoids errors accessing it while cleaning up the driver. Reviewed-by: Franky Lin <frankyl@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index af39eda..d4d966b 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -934,7 +934,7 @@ int brcmf_bus_start(struct device *dev)
p2p_ifp = NULL;
/* signal bus ready */
- bus_if->state = BRCMF_BUS_DATA;
+ brcmf_bus_change_state(bus_if, BRCMF_BUS_DATA);
/* Bus is ready, do any initialization */
ret = brcmf_c_preinit_dcmds(ifp);
@@ -1029,6 +1029,8 @@ void brcmf_detach(struct device *dev)
/* stop firmware event handling */
brcmf_fweh_detach(drvr);
+ brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN);
+
/* make sure primary interface removed last */
for (i = BRCMF_MAX_IFS-1; i > -1; i--)
if (drvr->iflist[i]) {
OpenPOWER on IntegriCloud