diff options
| -rw-r--r-- | drivers/dma/omap-dma.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c index 324f4c7..d1641aa 100644 --- a/drivers/dma/omap-dma.c +++ b/drivers/dma/omap-dma.c @@ -169,6 +169,14 @@ static void omap_dma_desc_free(struct virt_dma_desc *vd) kfree(container_of(vd, struct omap_desc, vd)); } +static void omap_dma_clear_csr(struct omap_chan *c) +{ + if (dma_omap1()) + c->plat->dma_read(CSR, c->dma_ch); + else + c->plat->dma_write(~0, CSR, c->dma_ch); +} + static void omap_dma_start(struct omap_chan *c, struct omap_desc *d) { struct omap_dmadev *od = to_omap_dma_dev(c->vc.chan.device); @@ -191,11 +199,7 @@ static void omap_dma_start(struct omap_chan *c, struct omap_desc *d) } else if (od->plat->errata & DMA_ERRATA_PARALLEL_CHANNELS) c->plat->dma_write(c->dma_ch, CLNK_CTRL, c->dma_ch); - /* Clear CSR */ - if (dma_omap1()) - c->plat->dma_read(CSR, c->dma_ch); - else - c->plat->dma_write(~0, CSR, c->dma_ch); + omap_dma_clear_csr(c); /* Enable interrupts */ c->plat->dma_write(d->cicr, CICR, c->dma_ch); @@ -214,11 +218,7 @@ static void omap_dma_stop(struct omap_chan *c) /* disable irq */ c->plat->dma_write(0, CICR, c->dma_ch); - /* Clear CSR */ - if (dma_omap1()) - c->plat->dma_read(CSR, c->dma_ch); - else - c->plat->dma_write(~0, CSR, c->dma_ch); + omap_dma_clear_csr(c); val = c->plat->dma_read(CCR, c->dma_ch); if (od->plat->errata & DMA_ERRATA_i541 && val & CCR_TRIGGER_SRC) { |
