From 510a1e7249298f6bbd049e1ec98041ddf5ef6452 Mon Sep 17 00:00:00 2001 From: Mugunthan V N Date: Sun, 17 Feb 2013 22:19:20 +0000 Subject: drivers: net: davinci_cpdma: acknowledge interrupt properly CPDMA interrupts are not properly acknowledged which leads to interrupt storm, only cpdma interrupt 0 is acknowledged in Davinci CPDMA driver. Changed cpdma_ctlr_eoi api to acknowledge 1 and 2 interrupts which are used for rx and tx respectively. Reported-by: Pantelis Antoniou Signed-off-by: Mugunthan V N Signed-off-by: David S. Miller --- drivers/net/ethernet/ti/davinci_cpdma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/ethernet/ti/davinci_cpdma.c') diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c index 7d3bffd3d64f..68c3418160ba 100644 --- a/drivers/net/ethernet/ti/davinci_cpdma.c +++ b/drivers/net/ethernet/ti/davinci_cpdma.c @@ -493,9 +493,9 @@ int cpdma_ctlr_int_ctrl(struct cpdma_ctlr *ctlr, bool enable) return 0; } -void cpdma_ctlr_eoi(struct cpdma_ctlr *ctlr) +void cpdma_ctlr_eoi(struct cpdma_ctlr *ctlr, u32 value) { - dma_reg_write(ctlr, CPDMA_MACEOIVECTOR, 0); + dma_reg_write(ctlr, CPDMA_MACEOIVECTOR, value); } struct cpdma_chan *cpdma_chan_create(struct cpdma_ctlr *ctlr, int chan_num, -- cgit v1.2.3