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Commit 191b7766 authored by Swaminathan S's avatar Swaminathan S Committed by Greg Kroah-Hartman
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USB: musb cppi dma fix 



Initializes the actual_len field to 0 before every DMA transaction.

Signed-off-by: default avatarSwaminathan S <swami.iyer@ti.com>
Acked-by: default avatarFelipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 704a1485

drivers/usb/musb/cppi_dma.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -995,6 +995,7 @@ static int cppi_channel_program(struct dma_channel *ch, 
	cppi_ch->offset = 0;

	cppi_ch->offset = 0;

	cppi_ch->maxpacket = maxpacket;

	cppi_ch->maxpacket = maxpacket;

	cppi_ch->buf_len = len;

	cppi_ch->buf_len = len;

	cppi_ch->channel.actual_len = 0;





	/* TX channel? or RX? */

	/* TX channel? or RX? */

	if (cppi_ch->transmit)

	if (cppi_ch->transmit)