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EDAC, mv64x60: Use platform_register/unregister_drivers() 

These new helpers simplify implementing multi-driver modules and
properly handle failure to register one driver by unregistering all
previously registered drivers.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1449073138-10852-2-git-send-email-thierry.reding@gmail.com
Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Thierry Reding 2015-12-02 17:18:58 +01:00 committed by Borislav Petkov
parent d54051f1cc
commit 768ce42cce
1 changed files with 11 additions and 28 deletions
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39
drivers/edac/mv64x60_edac.c
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@ -847,6 +847,15 @@ static struct platform_driver mv64x60_mc_err_driver = {
}
};
static struct platform_driver * const drivers[] = {
&mv64x60_mc_err_driver,
&mv64x60_cpu_err_driver,
&mv64x60_sram_err_driver,
#ifdef CONFIG_PCI
&mv64x60_pci_err_driver,
#endif
};
static int __init mv64x60_edac_init(void)
{
int ret = 0;
@ -863,39 +872,13 @@ static int __init mv64x60_edac_init(void)
break;
}
ret = platform_driver_register(&mv64x60_mc_err_driver);
if (ret)
printk(KERN_WARNING EDAC_MOD_STR "MC err failed to register\n");
ret = platform_driver_register(&mv64x60_cpu_err_driver);
if (ret)
printk(KERN_WARNING EDAC_MOD_STR
"CPU err failed to register\n");
ret = platform_driver_register(&mv64x60_sram_err_driver);
if (ret)
printk(KERN_WARNING EDAC_MOD_STR
"SRAM err failed to register\n");
#ifdef CONFIG_PCI
ret = platform_driver_register(&mv64x60_pci_err_driver);
if (ret)
printk(KERN_WARNING EDAC_MOD_STR
"PCI err failed to register\n");
#endif
return ret;
return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
}
module_init(mv64x60_edac_init);
static void __exit mv64x60_edac_exit(void)
{
#ifdef CONFIG_PCI
platform_driver_unregister(&mv64x60_pci_err_driver);
#endif
platform_driver_unregister(&mv64x60_sram_err_driver);
platform_driver_unregister(&mv64x60_cpu_err_driver);
platform_driver_unregister(&mv64x60_mc_err_driver);
platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
}
module_exit(mv64x60_edac_exit);