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Commit 5b257571 authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

rtc: test: allow registering many devices 



Use a loop to register RTC devices

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 9394270e

drivers/rtc/rtc-test.c

+24 −24
Original line number Diff line number Diff line
@@ -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;

	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_put_test1:

	platform_device_put(test1);

exit_device_del:

	for (; i > 0; i--)

		platform_device_del(pdev[i - 1]);



exit_put_test0:

	platform_device_put(test0);

exit_free_mem:

	for (i = 0; i < MAX_RTC_TEST; i++)

		platform_device_put(pdev[i]);



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);

}