diff options
| author | Mian Yousaf Kaukab <yousaf.kaukab@intel.com> | 2015-01-09 15:38:42 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-01-13 00:32:33 +0300 |
| commit | 6ff2e8326fb50aee80f93e12de367065cc089aae (patch) | |
| tree | 38fbe47b5dfe0f50a1d64d307ea220cd6f9ef673 /drivers/usb/dwc2 | |
| parent | f6c015922c1dc99c53fb2ca95361086e65897b7c (diff) | |
| download | linux-6ff2e8326fb50aee80f93e12de367065cc089aae.tar.xz | |
usb: dwc2: gadget: mask fifo empty irq with dma
When using DMA, keep fifo empty interrupt disabled. Otherwise
core is flooded by interrupts.
Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc2')
| -rw-r--r-- | drivers/usb/dwc2/gadget.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index b5332f01be85..843f3ee0fbbd 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2170,8 +2170,8 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg) * interrupts. */ - writel(((hsotg->dedicated_fifos) ? DIEPMSK_TXFIFOEMPTY | - DIEPMSK_INTKNTXFEMPMSK : 0) | + writel(((hsotg->dedicated_fifos && !using_dma(hsotg)) ? + DIEPMSK_TXFIFOEMPTY | DIEPMSK_INTKNTXFEMPMSK : 0) | DIEPMSK_EPDISBLDMSK | DIEPMSK_XFERCOMPLMSK | DIEPMSK_TIMEOUTMSK | DIEPMSK_AHBERRMSK | DIEPMSK_INTKNEPMISMSK, |