diff options
| author | Barry Song <Baohua.Song@csr.com> | 2011-09-15 12:06:30 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2011-09-20 08:21:33 +0200 |
| commit | 463894705e4089d0ff69e7d877312d496ac70e5b (patch) | |
| tree | 5690c961fa4b989861fc7632ce872300338aedc3 /drivers/dma/dw_dmac.c | |
| parent | dmaengine/amba-pl08x: Check txd->llis_va before freeing dma_pool (diff) | |
| download | linux-463894705e4089d0ff69e7d877312d496ac70e5b.tar.xz linux-463894705e4089d0ff69e7d877312d496ac70e5b.zip | |
dmaengine: delete redundant chan_id and chancnt initialization in dma drivers
dma_async_device_register will re-init chan_id and chancnt,
so whatever chan_id and chancnt are set in drivers, they will
be re-written by dma_async_device_register.
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Viresh Kumar <viresh.kumar@st.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Piotr Ziecik <kosmo@semihalf.com>
Cc: Yong Wang <yong.y.wang@intel.com>
Cc: Jaswinder Singh <jassi.brar@samsung.com>
Cc: Pelagicore AB <info@pelagicore.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Acked-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/dw_dmac.c')
| -rw-r--r-- | drivers/dma/dw_dmac.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index 4d180ca9a1d8..9bfd6d360718 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -1407,12 +1407,11 @@ static int __init dw_probe(struct platform_device *pdev) dw->all_chan_mask = (1 << pdata->nr_channels) - 1; INIT_LIST_HEAD(&dw->dma.channels); - for (i = 0; i < pdata->nr_channels; i++, dw->dma.chancnt++) { + for (i = 0; i < pdata->nr_channels; i++) { struct dw_dma_chan *dwc = &dw->chan[i]; dwc->chan.device = &dw->dma; dwc->chan.cookie = dwc->completed = 1; - dwc->chan.chan_id = i; if (pdata->chan_allocation_order == CHAN_ALLOCATION_ASCENDING) list_add_tail(&dwc->chan.device_node, &dw->dma.channels); @@ -1468,7 +1467,7 @@ static int __init dw_probe(struct platform_device *pdev) dma_writel(dw, CFG, DW_CFG_DMA_EN); printk(KERN_INFO "%s: DesignWare DMA Controller, %d channels\n", - dev_name(&pdev->dev), dw->dma.chancnt); + dev_name(&pdev->dev), pdata->nr_channels); dma_async_device_register(&dw->dma); |