From: Franky Lin <frankyl@broadcom.com>
Date: Sat, 28 Apr 2012 01:56:56 +0000 (-0700)
Subject: brcmfmac: stop releasing sdio host in irq handler
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f0116fbfcb2559a32e6387ee1699cccf977dab73;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

brcmfmac: stop releasing sdio host in irq handler

brcmf_sdbrcm_isr doesn't access to the dongle through SDIO bus.
Stop releasing and claiming host in irq handler to eliminate
any potential risk.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
index e925290b432b..ea350200a7db 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
@@ -45,11 +45,7 @@ static void brcmf_sdioh_irqhandler(struct sdio_func *func)
 
 	brcmf_dbg(TRACE, "***IRQHandler\n");
 
-	sdio_release_host(func);
-
 	brcmf_sdbrcm_isr(sdiodev->bus);
-
-	sdio_claim_host(func);
 }
 
 /* dummy handler for SDIO function 2 interrupt */