diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/ac.c | 4 | ||||
| -rw-r--r-- | drivers/acpi/battery.c | 22 | ||||
| -rw-r--r-- | drivers/char/tpm/tpm_ppi.c | 15 |
3 files changed, 32 insertions, 9 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 8711e3797165..3c2e4aa529c4 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -207,7 +207,7 @@ static int acpi_ac_probe(struct platform_device *pdev) goto end; result = acpi_install_notify_handler(ACPI_HANDLE(&pdev->dev), - ACPI_DEVICE_NOTIFY, acpi_ac_notify_handler, ac); + ACPI_ALL_NOTIFY, acpi_ac_notify_handler, ac); if (result) { power_supply_unregister(&ac->charger); goto end; @@ -255,7 +255,7 @@ static int acpi_ac_remove(struct platform_device *pdev) return -EINVAL; acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev), - ACPI_DEVICE_NOTIFY, acpi_ac_notify_handler); + ACPI_ALL_NOTIFY, acpi_ac_notify_handler); ac = platform_get_drvdata(pdev); if (ac->charger.dev) diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index fbf1aceda8b8..5876a49dfd38 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -62,6 +62,7 @@ MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>"); MODULE_DESCRIPTION("ACPI Battery Driver"); MODULE_LICENSE("GPL"); +static int battery_bix_broken_package; static unsigned int cache_time = 1000; module_param(cache_time, uint, 0644); MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); @@ -416,7 +417,12 @@ static int acpi_battery_get_info(struct acpi_battery *battery) ACPI_EXCEPTION((AE_INFO, status, "Evaluating %s", name)); return -ENODEV; } - if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags)) + + if (battery_bix_broken_package) + result = extract_package(battery, buffer.pointer, + extended_info_offsets + 1, + ARRAY_SIZE(extended_info_offsets) - 1); + else if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags)) result = extract_package(battery, buffer.pointer, extended_info_offsets, ARRAY_SIZE(extended_info_offsets)); @@ -754,6 +760,17 @@ static int battery_notify(struct notifier_block *nb, return 0; } +static struct dmi_system_id bat_dmi_table[] = { + { + .ident = "NEC LZ750/LS", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "NEC"), + DMI_MATCH(DMI_PRODUCT_NAME, "PC-LZ750LS"), + }, + }, + {}, +}; + static int acpi_battery_add(struct acpi_device *device) { int result = 0; @@ -846,6 +863,9 @@ static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie) { if (acpi_disabled) return; + + if (dmi_check_system(bat_dmi_table)) + battery_bix_broken_package = 1; acpi_bus_register_driver(&acpi_battery_driver); } diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c index 8e562dc65601..e1f3337a0cf9 100644 --- a/drivers/char/tpm/tpm_ppi.c +++ b/drivers/char/tpm/tpm_ppi.c @@ -27,15 +27,18 @@ static char *tpm_device_name = "TPM"; static acpi_status ppi_callback(acpi_handle handle, u32 level, void *context, void **return_value) { - acpi_status status; + acpi_status status = AE_OK; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - status = acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); - if (strstr(buffer.pointer, context) != NULL) { - *return_value = handle; + + if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer))) { + if (strstr(buffer.pointer, context) != NULL) { + *return_value = handle; + status = AE_CTRL_TERMINATE; + } kfree(buffer.pointer); - return AE_CTRL_TERMINATE; } - return AE_OK; + + return status; } static inline void ppi_assign_params(union acpi_object params[4], |