diff options
Diffstat (limited to 'package/kernel/mac80211/patches/319-0009-brcmfmac-defer-DPC-processing-during-probe.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/319-0009-brcmfmac-defer-DPC-processing-during-probe.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/319-0009-brcmfmac-defer-DPC-processing-during-probe.patch b/package/kernel/mac80211/patches/319-0009-brcmfmac-defer-DPC-processing-during-probe.patch new file mode 100644 index 0000000000..2fbf5e3fdb --- /dev/null +++ b/package/kernel/mac80211/patches/319-0009-brcmfmac-defer-DPC-processing-during-probe.patch @@ -0,0 +1,42 @@ +From fd3ed33f51c2a586412d35b4f64803f019ab589f Mon Sep 17 00:00:00 2001 +From: Arend Van Spriel <arend.vanspriel@broadcom.com> +Date: Fri, 15 Jul 2016 12:39:13 +0200 +Subject: [PATCH] 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> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 7 +++---- + 1 file changed, 3 insertions(+), 4 deletions(-) + +--- 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( + 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 + } + + 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); |