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dmaengine: bcm2835-dma: use sg_nents_for_dma() helper

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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>
This commit is contained in:
Andy Shevchenko 2026-01-08 11:50:15 +01:00 committed by Vinod Koul
parent 024ae9d309
commit 39110c6850
1 changed files with 1 additions and 18 deletions
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19
drivers/dma/bcm2835-dma.c
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@ -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,