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authorJonas Aaberg <jonas.aberg@stericsson.com>2010-08-09 12:08:41 +0000
committerDan Williams <dan.j.williams@intel.com>2010-09-22 14:53:46 -0700
commit9dbfbd35ce16e4f5a4d0d9e3f6e012b136fe80ea (patch)
tree343750610afe11e4637a450bba74ec6a9106e733
parent767a9675c4a68ada55f0f30d629db627bd47f012 (diff)
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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>
-rw-r--r--drivers/dma/ste_dma40.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 7a4919bf1e9..2b209fa004b 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);