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Commit 7632fba0 authored by Haley Teng's avatar Haley Teng Committed by Daniel Walker
Browse files

[ARM] msm: smd: Update the correct fTAIL pointer after reading from fifo 



When we read data out of the sender's fifo, we need to advance the sender's
tail pointer, not the receiver's.

Signed-off-by: default avatarHaley Teng <Haley_Teng@htc.com>
Acked-by: default avatarDima Zavin <dima@android.com>
Signed-off-by: default avatarDaniel Walker <dwalker@codeaurora.org>
parent 37521a31

arch/arm/mach-msm/smd.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -246,7 +246,7 @@ static void ch_read_done(struct smd_channel *ch, unsigned count) 
{

{

	BUG_ON(count > smd_stream_read_avail(ch));

	BUG_ON(count > smd_stream_read_avail(ch));

	ch->recv->tail = (ch->recv->tail + count) & ch->fifo_mask;

	ch->recv->tail = (ch->recv->tail + count) & ch->fifo_mask;

	ch->recv->fTAIL = 1;

	ch->send->fTAIL = 1;

}

}





/* basic read interface to ch_read_{buffer,done} used

/* basic read interface to ch_read_{buffer,done} used