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authorFranky Lin <frankyl@broadcom.com>2011-12-16 18:36:53 -0800
committerJohn W. Linville <linville@tuxdriver.com>2011-12-19 14:40:43 -0500
commitfbf59108f9e13e19cef7a0291a522906c0b0f8e4 (patch)
treeac5db82c85394f9526805bcfd94051e0df66938c /drivers
parent1ae00421e72da52d35e994244abf768ffc7dffc6 (diff)
brcm80211: fmac: register a dummy irq handler for SDIO function 2
When there is data available in dongle for driver to fetch, an interrupt will be triggered and both SDIO function 1 and 2 will be flagged by default in bcm4329. These two interrupt flags are identical and only need to be handled once. Since there is no way to turn off one flag from the dongle side, a dummy handler for function 2 interrupt is placed. Reported-by: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Reviewed-by: Alwin Beukers <alwin@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
index 6c85d668c9d7..32d72a0bd988 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
@@ -51,12 +51,18 @@ static void brcmf_sdioh_irqhandler(struct sdio_func *func)
sdio_claim_host(func);
}
+/* dummy handler for SDIO function 2 interrupt */
+static void brcmf_sdioh_dummy_irq_handler(struct sdio_func *func)
+{
+}
+
int brcmf_sdcard_intr_reg(struct brcmf_sdio_dev *sdiodev)
{
brcmf_dbg(TRACE, "Entering\n");
sdio_claim_host(sdiodev->func[1]);
sdio_claim_irq(sdiodev->func[1], brcmf_sdioh_irqhandler);
+ sdio_claim_irq(sdiodev->func[2], brcmf_sdioh_dummy_irq_handler);
sdio_release_host(sdiodev->func[1]);
return 0;
@@ -67,6 +73,7 @@ int brcmf_sdcard_intr_dereg(struct brcmf_sdio_dev *sdiodev)
brcmf_dbg(TRACE, "Entering\n");
sdio_claim_host(sdiodev->func[1]);
+ sdio_release_irq(sdiodev->func[2]);
sdio_release_irq(sdiodev->func[1]);
sdio_release_host(sdiodev->func[1]);