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Documentation/spi/spidev_test.c: constify some variables

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Constify two char pointers and a struct in Documentation/spi/spidev_test.c.

Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
WANG Cong 2007-10-16 01:27:47 -07:00 committed by Linus Torvalds
parent 328329a7bd
commit cd58310d77
1 changed files with 3 additions and 3 deletions
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6
Documentation/spi/spidev_test.c
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@ -29,7 +29,7 @@ static void pabort(const char *s)
abort();
}
static char *device = "/dev/spidev1.1";
static const char *device = "/dev/spidev1.1";
static uint8_t mode;
static uint8_t bits = 8;
static uint32_t speed = 500000;
@ -69,7 +69,7 @@ static void transfer(int fd)
puts("");
}
void print_usage(char *prog)
void print_usage(const char *prog)
{
printf("Usage: %s [-DsbdlHOLC3]\n", prog);
puts(" -D --device device to use (default /dev/spidev1.1)\n"
@ -88,7 +88,7 @@ void print_usage(char *prog)
void parse_opts(int argc, char *argv[])
{
while (1) {
static struct option lopts[] = {
static const struct option lopts[] = {
{ "device", 1, 0, 'D' },
{ "speed", 1, 0, 's' },
{ "delay", 1, 0, 'd' },