From: Michael Buesch Date: Fri, 27 Feb 2009 06:33:00 +0000 (-0800) Subject: b44: Unconditionally enable interrupt routing on reset X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f8af11af85fecbfa7b95fd79c043b16ae0ee0d55;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git b44: Unconditionally enable interrupt routing on reset Unconditionally setup the IRQ routing on chip reset. It's safe to call ssb_pcicore_dev_irqvecs_enable() unconditionally, because it has internal checks for redundant calls. This fixes problems where hardware will not come up properly due to quirks in the enable-bit hardware. Reported-by: Pantelis Koukousoulas Signed-off-by: Michael Buesch Signed-off-by: David S. Miller --- diff --git a/drivers/net/b44.c b/drivers/net/b44.c index c38512ebcea6..6b8c39f2cf10 100644 --- a/drivers/net/b44.c +++ b/drivers/net/b44.c @@ -1264,8 +1264,14 @@ static void b44_clear_stats(struct b44 *bp) static void b44_chip_reset(struct b44 *bp, int reset_kind) { struct ssb_device *sdev = bp->sdev; + bool was_enabled; - if (ssb_device_is_enabled(bp->sdev)) { + was_enabled = ssb_device_is_enabled(bp->sdev); + + ssb_device_enable(bp->sdev, 0); + ssb_pcicore_dev_irqvecs_enable(&sdev->bus->pcicore, sdev); + + if (was_enabled) { bw32(bp, B44_RCV_LAZY, 0); bw32(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE); b44_wait_bit(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE, 200, 1); @@ -1277,10 +1283,8 @@ static void b44_chip_reset(struct b44 *bp, int reset_kind) } bw32(bp, B44_DMARX_CTRL, 0); bp->rx_prod = bp->rx_cons = 0; - } else - ssb_pcicore_dev_irqvecs_enable(&sdev->bus->pcicore, sdev); + } - ssb_device_enable(bp->sdev, 0); b44_clear_stats(bp); /*