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rtc: test: allow registering many devices 

Use a loop to register RTC devices

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2018-05-31 23:09:56 +02:00
parent 9394270ef9
commit 5b257571cd
1 changed files with 24 additions and 24 deletions
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48
drivers/rtc/rtc-test.c
View File

@ -13,7 +13,9 @@
#include <linux/rtc.h>
#include <linux/platform_device.h>
static struct platform_device *test0 = NULL, *test1 = NULL;
#define MAX_RTC_TEST 3
struct platform_device *pdev[MAX_RTC_TEST];
static int test_rtc_read_alarm(struct device *dev,
struct rtc_wkalrm *alrm)
@ -122,47 +124,45 @@ static struct platform_driver test_driver = {
static int __init test_init(void)
{
int err;
int i, err;
if ((err = platform_driver_register(&test_driver)))
return err;
if ((test0 = platform_device_alloc("rtc-test", 0)) == NULL) {
err = -ENOMEM;
goto exit_driver_unregister;
err = -ENOMEM;
for (i = 0; i < MAX_RTC_TEST; i++) {
pdev[i] = platform_device_alloc("rtc-test", i);
if (!pdev[i])
goto exit_free_mem;
}
if ((test1 = platform_device_alloc("rtc-test", 1)) == NULL) {
err = -ENOMEM;
goto exit_put_test0;
for (i = 0; i < MAX_RTC_TEST; i++) {
err = platform_device_add(pdev[i]);
if (err)
goto exit_device_del;
}
if ((err = platform_device_add(test0)))
goto exit_put_test1;
if ((err = platform_device_add(test1)))
goto exit_del_test0;
return 0;
exit_del_test0:
platform_device_del(test0);
exit_device_del:
for (; i > 0; i--)
platform_device_del(pdev[i - 1]);
exit_put_test1:
platform_device_put(test1);
exit_free_mem:
for (i = 0; i < MAX_RTC_TEST; i++)
platform_device_put(pdev[i]);
exit_put_test0:
platform_device_put(test0);
exit_driver_unregister:
platform_driver_unregister(&test_driver);
return err;
}
static void __exit test_exit(void)
{
platform_device_unregister(test0);
platform_device_unregister(test1);
int i;
for (i = 0; i < MAX_RTC_TEST; i++)
platform_device_unregister(pdev[i]);
platform_driver_unregister(&test_driver);
}