diff options
Diffstat (limited to 'drivers/dma/shdma.c')
| -rw-r--r-- | drivers/dma/shdma.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c index a0069c171518..28720d3103c4 100644 --- a/drivers/dma/shdma.c +++ b/drivers/dma/shdma.c @@ -1110,11 +1110,6 @@ static int __init sh_dmae_probe(struct platform_device *pdev) list_add_tail_rcu(&shdev->node, &sh_dmae_devices); spin_unlock_irqrestore(&sh_dmae_lock, flags); - /* Wire up NMI handling before bringing the controller online */ - err = register_die_notifier(&sh_dmae_nmi_notifier); - if (err) - goto notifier_err; - /* reset dma controller */ err = sh_dmae_rst(shdev); if (err) @@ -1218,8 +1213,6 @@ eirqres: eirq_err: #endif rst_err: - unregister_die_notifier(&sh_dmae_nmi_notifier); -notifier_err: spin_lock_irqsave(&sh_dmae_lock, flags); list_del_rcu(&shdev->node); spin_unlock_irqrestore(&sh_dmae_lock, flags); @@ -1252,8 +1245,6 @@ static int __exit sh_dmae_remove(struct platform_device *pdev) if (errirq > 0) free_irq(errirq, shdev); - unregister_die_notifier(&sh_dmae_nmi_notifier); - spin_lock_irqsave(&sh_dmae_lock, flags); list_del_rcu(&shdev->node); spin_unlock_irqrestore(&sh_dmae_lock, flags); @@ -1296,6 +1287,11 @@ static struct platform_driver sh_dmae_driver = { static int __init sh_dmae_init(void) { + /* Wire up NMI handling */ + int err = register_die_notifier(&sh_dmae_nmi_notifier); + if (err) + return err; + return platform_driver_probe(&sh_dmae_driver, sh_dmae_probe); } module_init(sh_dmae_init); @@ -1303,6 +1299,8 @@ module_init(sh_dmae_init); static void __exit sh_dmae_exit(void) { platform_driver_unregister(&sh_dmae_driver); + + unregister_die_notifier(&sh_dmae_nmi_notifier); } module_exit(sh_dmae_exit); |