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-rw-r--r--tools/gpio/gpio-event-mon.c10
-rw-r--r--tools/gpio/gpio-utils.c17
2 files changed, 16 insertions, 11 deletions
diff --git a/tools/gpio/gpio-event-mon.c b/tools/gpio/gpio-event-mon.c
index 1c14c2595158..dac4d4131d9b 100644
--- a/tools/gpio/gpio-event-mon.c
+++ b/tools/gpio/gpio-event-mon.c
@@ -14,6 +14,7 @@
#include <unistd.h>
#include <stdlib.h>
#include <stdbool.h>
+#include <stdint.h>
#include <stdio.h>
#include <dirent.h>
#include <errno.h>
@@ -23,12 +24,13 @@
#include <getopt.h>
#include <inttypes.h>
#include <sys/ioctl.h>
+#include <sys/types.h>
#include <linux/gpio.h>
int monitor_device(const char *device_name,
unsigned int line,
- u_int32_t handleflags,
- u_int32_t eventflags,
+ uint32_t handleflags,
+ uint32_t eventflags,
unsigned int loops)
{
struct gpioevent_request req;
@@ -145,8 +147,8 @@ int main(int argc, char **argv)
const char *device_name = NULL;
unsigned int line = -1;
unsigned int loops = 0;
- u_int32_t handleflags = GPIOHANDLE_REQUEST_INPUT;
- u_int32_t eventflags = 0;
+ uint32_t handleflags = GPIOHANDLE_REQUEST_INPUT;
+ uint32_t eventflags = 0;
int c;
while ((c = getopt(argc, argv, "c:n:o:dsrf?")) != -1) {
diff --git a/tools/gpio/gpio-utils.c b/tools/gpio/gpio-utils.c
index b86a32d90d88..cf7e2f3419ee 100644
--- a/tools/gpio/gpio-utils.c
+++ b/tools/gpio/gpio-utils.c
@@ -76,7 +76,8 @@ int gpiotools_request_linehandle(const char *device_name, unsigned int *lines,
fd = open(chrdev_name, 0);
if (fd == -1) {
ret = -errno;
- fprintf(stderr, "Failed to open %s\n", chrdev_name);
+ fprintf(stderr, "Failed to open %s, %s\n",
+ chrdev_name, strerror(errno));
goto exit_close_error;
}
@@ -92,8 +93,8 @@ int gpiotools_request_linehandle(const char *device_name, unsigned int *lines,
ret = ioctl(fd, GPIO_GET_LINEHANDLE_IOCTL, &req);
if (ret == -1) {
ret = -errno;
- fprintf(stderr, "Failed to issue GET LINEHANDLE IOCTL (%d)\n",
- ret);
+ fprintf(stderr, "Failed to issue %s (%d), %s\n",
+ "GPIO_GET_LINEHANDLE_IOCTL", ret, strerror(errno));
}
exit_close_error:
@@ -118,8 +119,9 @@ int gpiotools_set_values(const int fd, struct gpiohandle_data *data)
ret = ioctl(fd, GPIOHANDLE_SET_LINE_VALUES_IOCTL, data);
if (ret == -1) {
ret = -errno;
- fprintf(stderr, "Failed to issue %s (%d)\n",
- "GPIOHANDLE_SET_LINE_VALUES_IOCTL", ret);
+ fprintf(stderr, "Failed to issue %s (%d), %s\n",
+ "GPIOHANDLE_SET_LINE_VALUES_IOCTL", ret,
+ strerror(errno));
}
return ret;
@@ -141,8 +143,9 @@ int gpiotools_get_values(const int fd, struct gpiohandle_data *data)
ret = ioctl(fd, GPIOHANDLE_GET_LINE_VALUES_IOCTL, data);
if (ret == -1) {
ret = -errno;
- fprintf(stderr, "Failed to issue %s (%d)\n",
- "GPIOHANDLE_GET_LINE_VALUES_IOCTL", ret);
+ fprintf(stderr, "Failed to issue %s (%d), %s\n",
+ "GPIOHANDLE_GET_LINE_VALUES_IOCTL", ret,
+ strerror(errno));
}
return ret;
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