diff options
| author | David S. Miller <davem@davemloft.net> | 2016-09-12 15:52:44 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-09-12 15:52:44 -0700 |
| commit | b20b378d49926b82c0a131492fa8842156e0e8a9 (patch) | |
| tree | 7196847eea049a46442b05f99aee1dc571019381 /drivers/dma/sh/usb-dmac.c | |
| parent | 02154927c115c7599677df57203988e05b576346 (diff) | |
| parent | da499f8f5385c181e29978fdaab15a58de185302 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/mediatek/mtk_eth_soc.c
drivers/net/ethernet/qlogic/qed/qed_dcbx.c
drivers/net/phy/Kconfig
All conflicts were cases of overlapping commits.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/dma/sh/usb-dmac.c')
| -rw-r--r-- | drivers/dma/sh/usb-dmac.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c index 749f1bd5d65d..06ecdc38cee0 100644 --- a/drivers/dma/sh/usb-dmac.c +++ b/drivers/dma/sh/usb-dmac.c @@ -600,27 +600,30 @@ static irqreturn_t usb_dmac_isr_channel(int irq, void *dev) { struct usb_dmac_chan *chan = dev; irqreturn_t ret = IRQ_NONE; - u32 mask = USB_DMACHCR_TE; - u32 check_bits = USB_DMACHCR_TE | USB_DMACHCR_SP; + u32 mask = 0; u32 chcr; + bool xfer_end = false; spin_lock(&chan->vc.lock); chcr = usb_dmac_chan_read(chan, USB_DMACHCR); - if (chcr & check_bits) - mask |= USB_DMACHCR_DE | check_bits; + if (chcr & (USB_DMACHCR_TE | USB_DMACHCR_SP)) { + mask |= USB_DMACHCR_DE | USB_DMACHCR_TE | USB_DMACHCR_SP; + if (chcr & USB_DMACHCR_DE) + xfer_end = true; + ret |= IRQ_HANDLED; + } if (chcr & USB_DMACHCR_NULL) { /* An interruption of TE will happen after we set FTE */ mask |= USB_DMACHCR_NULL; chcr |= USB_DMACHCR_FTE; ret |= IRQ_HANDLED; } - usb_dmac_chan_write(chan, USB_DMACHCR, chcr & ~mask); + if (mask) + usb_dmac_chan_write(chan, USB_DMACHCR, chcr & ~mask); - if (chcr & check_bits) { + if (xfer_end) usb_dmac_isr_transfer_end(chan); - ret |= IRQ_HANDLED; - } spin_unlock(&chan->vc.lock); |