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| author | Vinod Koul <vinod.koul@linux.intel.com> | 2012-03-13 11:09:49 +0400 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@linux.intel.com> | 2012-03-13 11:09:49 +0400 |
| commit | 1f3d6dc0be92f0caca937926cca16ec4fdd585a3 (patch) | |
| tree | a12562009ae984dd16ed080af13d0036b88a93a7 /drivers/dma/imx-sdma.c | |
| parent | 5170c051a56244816d948c43592c1b2805ed4f3a (diff) | |
| parent | 949ff5b8d46b5e3435d21b2651ce3a2599208d44 (diff) | |
| download | linux-1f3d6dc0be92f0caca937926cca16ec4fdd585a3.tar.xz | |
Merge branch 'rmk_cookie_fixes2' into next
Conflicts:
drivers/dma/imx-dma.c
drivers/dma/pl330.c
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma/imx-sdma.c')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index f0bfc0e07416..5da552d1f92d 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -43,6 +43,8 @@ #include <mach/dma.h> #include <mach/hardware.h> +#include "dmaengine.h" + /* SDMA registers */ #define SDMA_H_C0PTR 0x000 #define SDMA_H_INTR 0x004 @@ -267,7 +269,6 @@ struct sdma_channel { struct dma_chan chan; spinlock_t lock; struct dma_async_tx_descriptor desc; - dma_cookie_t last_completed; enum dma_status status; unsigned int chn_count; unsigned int chn_real_count; @@ -529,7 +530,7 @@ static void mxc_sdma_handle_channel_normal(struct sdma_channel *sdmac) else sdmac->status = DMA_SUCCESS; - sdmac->last_completed = sdmac->desc.cookie; + dma_cookie_complete(&sdmac->desc); if (sdmac->desc.callback) sdmac->desc.callback(sdmac->desc.callback_param); } @@ -814,19 +815,6 @@ out: return ret; } -static dma_cookie_t sdma_assign_cookie(struct sdma_channel *sdmac) -{ - dma_cookie_t cookie = sdmac->chan.cookie; - - if (++cookie < 0) - cookie = 1; - - sdmac->chan.cookie = cookie; - sdmac->desc.cookie = cookie; - - return cookie; -} - static struct sdma_channel *to_sdma_chan(struct dma_chan *chan) { return container_of(chan, struct sdma_channel, chan); @@ -840,7 +828,7 @@ static dma_cookie_t sdma_tx_submit(struct dma_async_tx_descriptor *tx) spin_lock_irqsave(&sdmac->lock, flags); - cookie = sdma_assign_cookie(sdmac); + cookie = dma_cookie_assign(tx); spin_unlock_irqrestore(&sdmac->lock, flags); @@ -1127,7 +1115,7 @@ static enum dma_status sdma_tx_status(struct dma_chan *chan, last_used = chan->cookie; - dma_set_tx_state(txstate, sdmac->last_completed, last_used, + dma_set_tx_state(txstate, chan->completed_cookie, last_used, sdmac->chn_count - sdmac->chn_real_count); return sdmac->status; @@ -1368,6 +1356,7 @@ static int __init sdma_probe(struct platform_device *pdev) spin_lock_init(&sdmac->lock); sdmac->chan.device = &sdma->dma_device; + dma_cookie_init(&sdmac->chan); sdmac->channel = i; /* |