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spi: Trivial warning fix 

The loop count i traverses for ntrans which is unsigned
so make the loop count i also unsigned.

Fix the below warning
In file included from drivers/spi/spi-omap2-mcspi.c:38:
include/linux/spi/spi.h: In function 'spi_message_alloc':
include/linux/spi/spi.h:556: warning: comparison between signed and unsigned integer expressions

Cc: Vitaly Wool <vwool@ru.mvista.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Shubhrajyoti D 2012-02-27 19:29:05 +05:30 committed by Grant Likely
parent d1c8bbd793
commit 8f53602be5
1 changed files with 1 additions and 1 deletions
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2
include/linux/spi/spi.h
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@ -600,7 +600,7 @@ static inline struct spi_message *spi_message_alloc(unsigned ntrans, gfp_t flags
+ ntrans * sizeof(struct spi_transfer),
flags);
if (m) {
int i;
unsigned i;
struct spi_transfer *t = (struct spi_transfer *)(m + 1);
INIT_LIST_HEAD(&m->transfers);