dmaengine: bcm2835: fix 64-bit warning
When building this driver on arm64, we get a harmless type
mismatch warning:
drivers/dma/bcm2835-dma.c: In function 'bcm2835_dma_fill_cb_chain_with_sg':
include/linux/kernel.h:743:17: warning: comparison of distinct pointer types lacks a cast
(void) (&_min1 == &_min2); \
^
drivers/dma/bcm2835-dma.c:409:21: note: in expansion of macro 'min'
cb->cb->length = min(len, max_len);
This changes the type of the 'len' variable to size_t, which
avoids the problem.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 388cc7a281
("dmaengine: bcm2835: add slave_sg support to bcm2835-dma")
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
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1 changed files with 3 additions and 2 deletions
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@ -393,11 +393,12 @@ static void bcm2835_dma_fill_cb_chain_with_sg(
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unsigned int sg_len)
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{
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struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);
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size_t max_len = bcm2835_dma_max_frame_length(c);
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unsigned int i, len;
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size_t len, max_len;
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unsigned int i;
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dma_addr_t addr;
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struct scatterlist *sgent;
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max_len = bcm2835_dma_max_frame_length(c);
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for_each_sg(sgl, sgent, sg_len, i) {
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for (addr = sg_dma_address(sgent), len = sg_dma_len(sgent);
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len > 0;
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