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authorArend Van Spriel <arend.vanspriel@broadcom.com>2016-07-15 10:39:13 (GMT)
committerKalle Valo <kvalo@codeaurora.org>2016-07-18 19:41:48 (GMT)
commitfd3ed33f51c2a586412d35b4f64803f019ab589f (patch)
treec9766c06c406e14de8c9481214af343cf4d869af /drivers/net/wireless
parent82bc9ab6a8f577d2174a736c33f3d4ecf7d9ef47 (diff)
downloadlinux-fd3ed33f51c2a586412d35b4f64803f019ab589f.tar.xz
brcmfmac: defer DPC processing during probe
The sdio dpc starts processing when in SDIOD_STATE_DATA. This state was entered right after firmware download. This patch moves that transition just before enabling sdio interrupt handling thus avoiding watchdog expiry which would put the bus to sleep while probing. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 5fb8b91..68ab3ac 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -3305,10 +3305,6 @@ static int brcmf_sdio_download_firmware(struct brcmf_sdio *bus,
goto err;
}
- /* Allow full data communication using DPC from now on. */
- brcmf_sdiod_change_state(bus->sdiodev, BRCMF_SDIOD_DATA);
- bcmerror = 0;
-
err:
brcmf_sdio_clkctl(bus, CLK_SDONLY, false);
sdio_release_host(bus->sdiodev->func[1]);
@@ -4046,6 +4042,9 @@ static void brcmf_sdio_firmware_callback(struct device *dev,
}
if (err == 0) {
+ /* Allow full data communication using DPC from now on. */
+ brcmf_sdiod_change_state(bus->sdiodev, BRCMF_SDIOD_DATA);
+
err = brcmf_sdiod_intr_register(sdiodev);
if (err != 0)
brcmf_err("intr register failed:%d\n", err);