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Commit 6ff2e832 authored by Mian Yousaf Kaukab's avatar Mian Yousaf Kaukab Committed by Felipe Balbi
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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: default avatarRobert Baldyga <r.baldyga@samsung.com>
Acked-by: default avatarPaul Zimmerman <paulz@synopsys.com>
Signed-off-by: default avatarGregory Herrero <gregory.herrero@intel.com>
Signed-off-by: default avatarMian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent f6c01592

drivers/usb/dwc2/gadget.c

+2 −2
Original line number Diff line number Diff line
@@ -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,