From 9dbfbd35ce16e4f5a4d0d9e3f6e012b136fe80ea Mon Sep 17 00:00:00 2001 From: Jonas Aaberg Date: Mon, 9 Aug 2010 12:08:41 +0000 Subject: [PATCH] DMAENGINE: ste_dma40: corrected is_paused behavior The handling of pause detection was slightly incorrect. Signed-off-by: Jonas Aaberg Signed-off-by: Linus Walleij Signed-off-by: Dan Williams --- drivers/dma/ste_dma40.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 7a4919b..2b209fa 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -1521,16 +1521,22 @@ static bool d40_is_paused(struct d40_chan *d40c) } if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_PERIPH || - d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM) + d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM) { event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dst_dev_type); - else if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM) + status = readl(d40c->base->virtbase + D40_DREG_PCBASE + + d40c->phy_chan->num * D40_DREG_PCDELTA + + D40_CHAN_REG_SDLNK); + } else if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM) { event = D40_TYPE_TO_EVENT(d40c->dma_cfg.src_dev_type); - else { + status = readl(d40c->base->virtbase + D40_DREG_PCBASE + + d40c->phy_chan->num * D40_DREG_PCDELTA + + D40_CHAN_REG_SSLNK); + } else { dev_err(&d40c->chan.dev->device, "[%s] Unknown direction\n", __func__); goto _exit; } - status = d40_chan_has_events(d40c); + status = (status & D40_EVENTLINE_MASK(event)) >> D40_EVENTLINE_POS(event); -- 2.7.4