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DMAENGINE: ste_dma40: corrected is_paused behavior 

The handling of pause detection was slightly incorrect.

Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Jonas Aaberg 2010-08-09 12:08:41 +00:00 committed by Dan Williams
parent 767a9675c4
commit 9dbfbd35ce
1 changed files with 10 additions and 4 deletions
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14
drivers/dma/ste_dma40.c
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@ -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);