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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2026-01-08 13:50:15 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2026-01-09 06:06:00 +0300 |
| commit | 39110c68500a149664bafb0c174baef0d42e2129 (patch) | |
| tree | 8b238ea864370d2ff48a29b58d0725d1f0232041 | |
| parent | 024ae9d3092c425f3ea6eae92086a2001ca2e0c7 (diff) | |
| download | linux-39110c68500a149664bafb0c174baef0d42e2129.tar.xz | |
dmaengine: bcm2835-dma: use sg_nents_for_dma() helper
Instead of open coded variant let's use recently introduced helper.
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260108105619.3513561-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | drivers/dma/bcm2835-dma.c | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index 321748e2983e..3f638c3e81cd 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -260,23 +260,6 @@ static void bcm2835_dma_create_cb_set_length( control_block->info |= finalextrainfo; } -static inline size_t bcm2835_dma_count_frames_for_sg( - struct bcm2835_chan *c, - struct scatterlist *sgl, - unsigned int sg_len) -{ - size_t frames = 0; - struct scatterlist *sgent; - unsigned int i; - size_t plength = bcm2835_dma_max_frame_length(c); - - for_each_sg(sgl, sgent, sg_len, i) - frames += bcm2835_dma_frames_for_length( - sg_dma_len(sgent), plength); - - return frames; -} - /** * bcm2835_dma_create_cb_chain - create a control block and fills data in * @@ -672,7 +655,7 @@ static struct dma_async_tx_descriptor *bcm2835_dma_prep_slave_sg( } /* count frames in sg list */ - frames = bcm2835_dma_count_frames_for_sg(c, sgl, sg_len); + frames = sg_nents_for_dma(sgl, sg_len, bcm2835_dma_max_frame_length(c)); /* allocate the CB chain */ d = bcm2835_dma_create_cb_chain(chan, direction, false, |