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Commit 70fa030f authored by Anton Tikhomirov's avatar Anton Tikhomirov Committed by Felipe Balbi
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usb: s3c-hsotg: Avoid TxFIFO corruption in DMA mode 



Writing to TxFIFO relates only to Slave mode and leads to
TxFIFO corruption in DMA mode.

Signed-off-by: default avatarAnton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 659ad60c

drivers/usb/gadget/s3c-hsotg.c

+2 −1
Original line number Diff line number Diff line
@@ -1921,6 +1921,7 @@ static void s3c_hsotg_epint(struct s3c_hsotg *hsotg, unsigned int idx, 
		    ints & S3C_DIEPMSK_TxFIFOEmpty) {

			dev_dbg(hsotg->dev, "%s: ep%d: TxFIFOEmpty\n",

				__func__, idx);

			if (!using_dma(hsotg))

				s3c_hsotg_trytx(hsotg, hs_ep);

		}

	}