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usb: dwc2: gadget: mask fifo empty irq with dma

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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>
This commit is contained in:
Mian Yousaf Kaukab 2015-01-09 13:38:42 +01:00 committed by Felipe Balbi
parent f6c015922c
commit 6ff2e8326f
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/dwc2/gadget.c
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@ -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,