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authorDarrick J. Wong <djwong@us.ibm.com>2008-11-12 13:25:00 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-11-12 17:17:16 -0800
commitfe2d5ffc74a1de6a31e9fd65b65cce72d881edf7 (patch)
treef867318d9831cfa347e1374d6f723564f235399c /drivers/hwmon/ibmaem.c
parent722faccc7eb0a9b248fba3e7020b1c3770c41aef (diff)
downloadvexpress-lsk-fe2d5ffc74a1de6a31e9fd65b65cce72d881edf7.tar.gz
Fix platform drivers that crash on suspend/resume
It turns out that if one registers a struct platform_device, the platform device code expects that platform_device.device->driver points to a struct driver inside a struct platform_driver. This is not the case with the ipmi-si, ipmi-msghandler and ibmaem drivers, which causes the suspend/resume hook functions to jump off into nowhere, causing a crash. Make this assumption hold true for these three drivers. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Acked-by: Corey Minyard <cminyard@mvista.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Greg KH <greg@kroah.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/hwmon/ibmaem.c')
-rw-r--r--drivers/hwmon/ibmaem.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c
index 7b0ed5dea39..fe74609a7fe 100644
--- a/drivers/hwmon/ibmaem.c
+++ b/drivers/hwmon/ibmaem.c
@@ -88,9 +88,11 @@
static DEFINE_IDR(aem_idr);
static DEFINE_SPINLOCK(aem_idr_lock);
-static struct device_driver aem_driver = {
- .name = DRVNAME,
- .bus = &platform_bus_type,
+static struct platform_driver aem_driver = {
+ .driver = {
+ .name = DRVNAME,
+ .bus = &platform_bus_type,
+ }
};
struct aem_ipmi_data {
@@ -583,7 +585,7 @@ static int aem_init_aem1_inst(struct aem_ipmi_data *probe, u8 module_handle)
data->pdev = platform_device_alloc(DRVNAME, data->id);
if (!data->pdev)
goto dev_err;
- data->pdev->dev.driver = &aem_driver;
+ data->pdev->dev.driver = &aem_driver.driver;
res = platform_device_add(data->pdev);
if (res)
@@ -716,7 +718,7 @@ static int aem_init_aem2_inst(struct aem_ipmi_data *probe,
data->pdev = platform_device_alloc(DRVNAME, data->id);
if (!data->pdev)
goto dev_err;
- data->pdev->dev.driver = &aem_driver;
+ data->pdev->dev.driver = &aem_driver.driver;
res = platform_device_add(data->pdev);
if (res)
@@ -1085,7 +1087,7 @@ static int __init aem_init(void)
{
int res;
- res = driver_register(&aem_driver);
+ res = driver_register(&aem_driver.driver);
if (res) {
printk(KERN_ERR "Can't register aem driver\n");
return res;
@@ -1097,7 +1099,7 @@ static int __init aem_init(void)
return 0;
ipmi_reg_err:
- driver_unregister(&aem_driver);
+ driver_unregister(&aem_driver.driver);
return res;
}
@@ -1107,7 +1109,7 @@ static void __exit aem_exit(void)
struct aem_data *p1, *next1;
ipmi_smi_watcher_unregister(&driver_data.bmc_events);
- driver_unregister(&aem_driver);
+ driver_unregister(&aem_driver.driver);
list_for_each_entry_safe(p1, next1, &driver_data.aem_devices, list)
aem_delete(p1);
}