dmaengine: hsu: Account transferred bytes

Bump statistics for transferred bytes at the event of the successful transfer.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210518104323.37632-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/hsu/hsu.c b/drivers/dma/hsu/hsu.c
index 025d8ad..92caae5 100644 (file)
--- a/drivers/dma/hsu/hsu.c
+++ b/drivers/dma/hsu/hsu.c
@@ -201,6 +201,7 @@ EXPORT_SYMBOL_GPL(hsu_dma_get_status);
  */
 int hsu_dma_do_irq(struct hsu_dma_chip *chip, unsigned short nr, u32 status)
 {
+       struct dma_chan_percpu *stat;
        struct hsu_dma_chan *hsuc;
        struct hsu_dma_desc *desc;
        unsigned long flags;
@@ -210,6 +211,7 @@ int hsu_dma_do_irq(struct hsu_dma_chip *chip, unsigned short nr, u32 status)
                return 0;
 
        hsuc = &chip->hsu->chan[nr];
+       stat = this_cpu_ptr(hsuc->vchan.chan.local);
 
        spin_lock_irqsave(&hsuc->vchan.lock, flags);
        desc = hsuc->desc;
@@ -221,6 +223,7 @@ int hsu_dma_do_irq(struct hsu_dma_chip *chip, unsigned short nr, u32 status)
                } else {
                        vchan_cookie_complete(&desc->vdesc);
                        desc->status = DMA_COMPLETE;
+                       stat->bytes_transferred += desc->length;
                        hsu_dma_start_transfer(hsuc);
                }
        }