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| author | Darrick J. Wong <djwong@us.ibm.com> | 2008-11-12 13:25:00 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-12 17:17:16 -0800 |
| commit | fe2d5ffc74a1de6a31e9fd65b65cce72d881edf7 (patch) | |
| tree | f867318d9831cfa347e1374d6f723564f235399c /drivers/hwmon | |
| parent | 722faccc7eb0a9b248fba3e7020b1c3770c41aef (diff) | |
| download | linux-fe2d5ffc74a1de6a31e9fd65b65cce72d881edf7.tar.gz linux-fe2d5ffc74a1de6a31e9fd65b65cce72d881edf7.tar.bz2 linux-fe2d5ffc74a1de6a31e9fd65b65cce72d881edf7.zip | |
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')
| -rw-r--r-- | drivers/hwmon/ibmaem.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c index 7b0ed5dea399..fe74609a7feb 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); } |