diff options
Diffstat (limited to 'Documentation/spi/spidev_test.c')
-rw-r--r-- | Documentation/spi/spidev_test.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/spi/spidev_test.c b/Documentation/spi/spidev_test.c index 218e86215297..cf0e3ce0d526 100644 --- a/Documentation/spi/spidev_test.c +++ b/Documentation/spi/spidev_test.c | |||
@@ -29,7 +29,7 @@ static void pabort(const char *s) | |||
29 | abort(); | 29 | abort(); |
30 | } | 30 | } |
31 | 31 | ||
32 | static char *device = "/dev/spidev1.1"; | 32 | static const char *device = "/dev/spidev1.1"; |
33 | static uint8_t mode; | 33 | static uint8_t mode; |
34 | static uint8_t bits = 8; | 34 | static uint8_t bits = 8; |
35 | static uint32_t speed = 500000; | 35 | static uint32_t speed = 500000; |
@@ -69,7 +69,7 @@ static void transfer(int fd) | |||
69 | puts(""); | 69 | puts(""); |
70 | } | 70 | } |
71 | 71 | ||
72 | void print_usage(char *prog) | 72 | void print_usage(const char *prog) |
73 | { | 73 | { |
74 | printf("Usage: %s [-DsbdlHOLC3]\n", prog); | 74 | printf("Usage: %s [-DsbdlHOLC3]\n", prog); |
75 | puts(" -D --device device to use (default /dev/spidev1.1)\n" | 75 | puts(" -D --device device to use (default /dev/spidev1.1)\n" |
@@ -88,7 +88,7 @@ void print_usage(char *prog) | |||
88 | void parse_opts(int argc, char *argv[]) | 88 | void parse_opts(int argc, char *argv[]) |
89 | { | 89 | { |
90 | while (1) { | 90 | while (1) { |
91 | static struct option lopts[] = { | 91 | static const struct option lopts[] = { |
92 | { "device", 1, 0, 'D' }, | 92 | { "device", 1, 0, 'D' }, |
93 | { "speed", 1, 0, 's' }, | 93 | { "speed", 1, 0, 's' }, |
94 | { "delay", 1, 0, 'd' }, | 94 | { "delay", 1, 0, 'd' }, |