[PATCH 2/2] spi: core: Use cast inside 'min' macro

[Fabio Estevam <fabio.estevam@xxxxxxx>]

Use cast inside 'min' macro in order to avoid the following 
build warning on ARM64:

include/linux/kernel.h:754:17: warning: comparison of distinct pointer types lacks a cast
  (void) (&_min1 == &_min2);  \
                 ^
drivers/spi/spi.c:2304:17: note: in expansion of macro 'min'
  xfers[0].len = min(maxsize, xfer[0].len);

Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx>
---
 drivers/spi/spi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 0725ffa..4498f40 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -2301,7 +2301,7 @@ static int __spi_split_transfer_maxsize(struct spi_master *master,
 	/* the first transfer just needs the length modified, so we
 	 * run it outside the loop
 	 */
-	xfers[0].len = min(maxsize, xfer[0].len);
+	xfers[0].len = min(maxsize, (size_t)xfer[0].len);
 
 	/* all the others need rx_buf/tx_buf also set */
 	for (i = 1, offset = maxsize; i < count; offset += maxsize, i++) {
-- 
1.9.1

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