diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-22 19:43:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-22 19:43:02 -0700 |
| commit | 37c70d0d09747a958ec50aeb11ed1bf896da028c (patch) | |
| tree | 5f026a3cfc7e4d4b11ca8cf7c787325bfb96e4e0 /drivers/acpi/ibm_acpi.c | |
| parent | 7f52a3afc4c02db75b3953fcbbb980abc86873a2 (diff) | |
| parent | cddece4beccaa72dcb57d64a7f1e496b2e61a16b (diff) | |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI: IA64: fix %ll build warnings
ACPI: IA64: fix allnoconfig build
ACPI: Only use IPI on known broken machines (AMD, Dothan/BaniasPentium M)
ACPI: ibm-acpi: allow module to load when acpi notifiers can't be set (v2)
ACPI: parse 2nd MADT by default
ACPICA: revert "acpi_serialize" changes
sony-laptop: MAINTAINERS fix entry, add L: and W:
ACPI: resolve HP nx6125 S3 immediate wakeup regression
ACPI: Add support to parse 2nd MADT
Diffstat (limited to 'drivers/acpi/ibm_acpi.c')
| -rw-r--r-- | drivers/acpi/ibm_acpi.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 36901362fd2..dc1096608f4 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -2507,7 +2507,7 @@ static int __init setup_notify(struct ibm_struct *ibm) ret = acpi_bus_get_device(*ibm->handle, &ibm->device); if (ret < 0) { printk(IBM_ERR "%s device not present\n", ibm->name); - return 0; + return -ENODEV; } acpi_driver_data(ibm->device) = ibm; @@ -2516,8 +2516,13 @@ static int __init setup_notify(struct ibm_struct *ibm) status = acpi_install_notify_handler(*ibm->handle, ibm->type, dispatch_notify, ibm); if (ACPI_FAILURE(status)) { - printk(IBM_ERR "acpi_install_notify_handler(%s) failed: %d\n", - ibm->name, status); + if (status == AE_ALREADY_EXISTS) { + printk(IBM_NOTICE "another device driver is already handling %s events\n", + ibm->name); + } else { + printk(IBM_ERR "acpi_install_notify_handler(%s) failed: %d\n", + ibm->name, status); + } return -ENODEV; } ibm->notify_installed = 1; @@ -2553,6 +2558,8 @@ static int __init register_driver(struct ibm_struct *ibm) return ret; } +static void ibm_exit(struct ibm_struct *ibm); + static int __init ibm_init(struct ibm_struct *ibm) { int ret; @@ -2594,6 +2601,12 @@ static int __init ibm_init(struct ibm_struct *ibm) if (ibm->notify) { ret = setup_notify(ibm); + if (ret == -ENODEV) { + printk(IBM_NOTICE "disabling subdriver %s\n", + ibm->name); + ibm_exit(ibm); + return 0; + } if (ret < 0) return ret; } |