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SubjectRe: [PATCH] ioatdma: allow all channels to have irq coalescing support
Date


On 2/26/13 8:20 AM, "Dave Jiang" <dave.jiang@intel.com> wrote:

>Looks like only the RAID channels are allowed to have irq coalescing
>support
>in the existing code. Fixing that. The ioat3 cleanup code can handle
>memcpy
>ops anyways
>
>Signed-off-by: Dave Jiang <dave.jiang@intel.com>
>---
> drivers/dma/ioat/dma_v3.c | 12 +++---------
> 1 file changed, 3 insertions(+), 9 deletions(-)
>
>diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
>index 47588dc..368a184 100644
>--- a/drivers/dma/ioat/dma_v3.c
>+++ b/drivers/dma/ioat/dma_v3.c
>@@ -1268,15 +1268,9 @@ int __devinit ioat3_dma_probe(struct
>ioatdma_device *device, int dca)
> }
>
>
>- if (is_raid_device) {
>- dma->device_tx_status = ioat3_tx_status;
>- device->cleanup_fn = ioat3_cleanup_event;
>- device->timer_fn = ioat3_timer_event;
>- } else {
>- dma->device_tx_status = ioat_dma_tx_status;
>- device->cleanup_fn = ioat2_cleanup_event;
>- device->timer_fn = ioat2_timer_event;
>- }
>+ dma->device_tx_status = ioat3_tx_status;
>+ device->cleanup_fn = ioat3_cleanup_event;
>+ device->timer_fn = ioat3_timer_event;
>
> #ifdef CONFIG_ASYNC_TX_DISABLE_PQ_VAL_DMA
> dma_cap_clear(DMA_PQ_VAL, dma->cap_mask);

Acked-by: Dan Williams <djbw@fb.com>



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