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tools: gpio: rename nlines to num_lines 

Rename nlines to num_lines to be consistent with other usage for fields
describing the number of entries in an array.

Signed-off-by: Kent Gibson <warthog618@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Kent Gibson 2020-09-28 08:28:03 +08:00 committed by Bartosz Golaszewski
parent e86a863b33
commit ed60aee0ed
3 changed files with 26 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
tools/gpio/gpio-hammer.c
View File

@ -22,7 +22,7 @@
#include <linux/gpio.h>
#include "gpio-utils.h"
int hammer_device(const char *device_name, unsigned int *lines, int nlines,
int hammer_device(const char *device_name, unsigned int *lines, int num_lines,
unsigned int loops)
{
struct gpiohandle_data data;
@ -33,7 +33,7 @@ int hammer_device(const char *device_name, unsigned int *lines, int nlines,
unsigned int iteration = 0;
memset(&data.values, 0, sizeof(data.values));
ret = gpiotools_request_linehandle(device_name, lines, nlines,
ret = gpiotools_request_linehandle(device_name, lines, num_lines,
GPIOHANDLE_REQUEST_OUTPUT, &data,
"gpio-hammer");
if (ret < 0)
@ -46,15 +46,15 @@ int hammer_device(const char *device_name, unsigned int *lines, int nlines,
goto exit_close_error;
fprintf(stdout, "Hammer lines [");
for (i = 0; i < nlines; i++) {
for (i = 0; i < num_lines; i++) {
fprintf(stdout, "%d", lines[i]);
if (i != (nlines - 1))
if (i != (num_lines - 1))
fprintf(stdout, ", ");
}
fprintf(stdout, "] on %s, initial states: [", device_name);
for (i = 0; i < nlines; i++) {
for (i = 0; i < num_lines; i++) {
fprintf(stdout, "%d", data.values[i]);
if (i != (nlines - 1))
if (i != (num_lines - 1))
fprintf(stdout, ", ");
}
fprintf(stdout, "]\n");
@ -63,7 +63,7 @@ int hammer_device(const char *device_name, unsigned int *lines, int nlines,
j = 0;
while (1) {
/* Invert all lines so we blink */
for (i = 0; i < nlines; i++)
for (i = 0; i < num_lines; i++)
data.values[i] = !data.values[i];
ret = gpiotools_set_values(fd, &data);
@ -81,9 +81,9 @@ int hammer_device(const char *device_name, unsigned int *lines, int nlines,
j = 0;
fprintf(stdout, "[");
for (i = 0; i < nlines; i++) {
for (i = 0; i < num_lines; i++) {
fprintf(stdout, "%d: %d", lines[i], data.values[i]);
if (i != (nlines - 1))
if (i != (num_lines - 1))
fprintf(stdout, ", ");
}
fprintf(stdout, "]\r");
@ -121,7 +121,7 @@ int main(int argc, char **argv)
const char *device_name = NULL;
unsigned int lines[GPIOHANDLES_MAX];
unsigned int loops = 0;
int nlines;
int num_lines;
int c;
int i;
@ -158,11 +158,11 @@ int main(int argc, char **argv)
return -1;
}
nlines = i;
num_lines = i;
if (!device_name || !nlines) {
if (!device_name || !num_lines) {
print_usage();
return -1;
}
return hammer_device(device_name, lines, nlines, loops);
return hammer_device(device_name, lines, num_lines, loops);
}

20
tools/gpio/gpio-utils.c
View File

@ -38,7 +38,7 @@
* such as "gpiochip0"
* @lines: An array desired lines, specified by offset
* index for the associated GPIO device.
* @nline: The number of lines to request.
* @num_lines: The number of lines to request.
* @flag: The new flag for requsted gpio. Reference
* "linux/gpio.h" for the meaning of flag.
* @data: Default value will be set to gpio when flag is
@ -56,7 +56,7 @@
* On failure return the errno.
*/
int gpiotools_request_linehandle(const char *device_name, unsigned int *lines,
unsigned int nlines, unsigned int flag,
unsigned int num_lines, unsigned int flag,
struct gpiohandle_data *data,
const char *consumer_label)
{
@ -78,12 +78,12 @@ int gpiotools_request_linehandle(const char *device_name, unsigned int *lines,
goto exit_free_name;
}
for (i = 0; i < nlines; i++)
for (i = 0; i < num_lines; i++)
req.lineoffsets[i] = lines[i];
req.flags = flag;
strcpy(req.consumer_label, consumer_label);
req.lines = nlines;
req.lines = num_lines;
if (flag & GPIOHANDLE_REQUEST_OUTPUT)
memcpy(req.default_values, data, sizeof(req.default_values));
@ -194,20 +194,20 @@ int gpiotools_get(const char *device_name, unsigned int line)
* such as "gpiochip0".
* @lines: An array desired lines, specified by offset
* index for the associated GPIO device.
* @nline: The number of lines to request.
* @num_lines: The number of lines to request.
* @data: The array of values get from gpiochip.
*
* Return: On success return 0;
* On failure return the errno.
*/
int gpiotools_gets(const char *device_name, unsigned int *lines,
unsigned int nlines, struct gpiohandle_data *data)
unsigned int num_lines, struct gpiohandle_data *data)
{
int fd;
int ret;
int ret_close;
ret = gpiotools_request_linehandle(device_name, lines, nlines,
ret = gpiotools_request_linehandle(device_name, lines, num_lines,
GPIOHANDLE_REQUEST_INPUT, data,
CONSUMER);
if (ret < 0)
@ -245,7 +245,7 @@ int gpiotools_set(const char *device_name, unsigned int line,
* such as "gpiochip0".
* @lines: An array desired lines, specified by offset
* index for the associated GPIO device.
* @nline: The number of lines to request.
* @num_lines: The number of lines to request.
* @data: The array of values set to gpiochip, must be
* 0(low) or 1(high).
*
@ -253,11 +253,11 @@ int gpiotools_set(const char *device_name, unsigned int line,
* On failure return the errno.
*/
int gpiotools_sets(const char *device_name, unsigned int *lines,
unsigned int nlines, struct gpiohandle_data *data)
unsigned int num_lines, struct gpiohandle_data *data)
{
int ret;
ret = gpiotools_request_linehandle(device_name, lines, nlines,
ret = gpiotools_request_linehandle(device_name, lines, num_lines,
GPIOHANDLE_REQUEST_OUTPUT, data,
CONSUMER);
if (ret < 0)

6
tools/gpio/gpio-utils.h
View File

@ -23,7 +23,7 @@ static inline int check_prefix(const char *str, const char *prefix)
}
int gpiotools_request_linehandle(const char *device_name, unsigned int *lines,
unsigned int nlines, unsigned int flag,
unsigned int num_lines, unsigned int flag,
struct gpiohandle_data *data,
const char *consumer_label);
int gpiotools_set_values(const int fd, struct gpiohandle_data *data);
@ -32,10 +32,10 @@ int gpiotools_release_linehandle(const int fd);
int gpiotools_get(const char *device_name, unsigned int line);
int gpiotools_gets(const char *device_name, unsigned int *lines,
unsigned int nlines, struct gpiohandle_data *data);
unsigned int num_lines, struct gpiohandle_data *data);
int gpiotools_set(const char *device_name, unsigned int line,
unsigned int value);
int gpiotools_sets(const char *device_name, unsigned int *lines,
unsigned int nlines, struct gpiohandle_data *data);
unsigned int num_lines, struct gpiohandle_data *data);
#endif /* _GPIO_UTILS_H_ */