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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2018-05-31 23:09:56 +0200
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2018-05-31 23:13:26 +0200
commit5b257571cd487bf3f5779b2b4b15216cc5eb7bb6 (patch)
tree6a36e989e97637c72e75c10fbc1a786da9f116f5 /drivers/rtc/rtc-test.c
parent9394270ef9ce455b84f896a0060423019834a0e3 (diff)
downloadlinux-5b257571cd487bf3f5779b2b4b15216cc5eb7bb6.tar.bz2
rtc: test: allow registering many devices
Use a loop to register RTC devices Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc/rtc-test.c')
-rw-r--r--drivers/rtc/rtc-test.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c
index f0eb8e0c5055..796c45dee661 100644
--- a/drivers/rtc/rtc-test.c
+++ b/drivers/rtc/rtc-test.c
@@ -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);
}