From: Kenji Kaneshige Date: Thu, 15 May 2008 06:21:16 +0000 (+0900) Subject: pci-acpi: add flag to indicate query had been done X-Git-Tag: v2.6.27-rc1~1046^2~61 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=681f7d9db58d2b6dc3c3b784d6815f86a53b6ba0;p=linux-2.6-omap-h63xx.git pci-acpi: add flag to indicate query had been done Current pci-acpi implementation checks osc_data->support_stat to see if control bits had been already queried. It is not good from the viewpoint of easy understanding. So this patch adds new 'is_queried' flag to indicate query had been done. Signed-off-by: Kenji Kaneshige Acked-by: Shaohua Li Signed-off-by: Jesse Barnes --- diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index b1bd6e6155a..95102183805 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -23,6 +23,7 @@ struct acpi_osc_data { acpi_handle handle; u32 support_set; u32 control_set; + int is_queried; u32 query_result; struct list_head sibiling; }; @@ -147,6 +148,7 @@ static acpi_status acpi_query_osc(acpi_handle handle, if (ACPI_SUCCESS(status)) { osc_data->support_set = support_set; osc_data->query_result = osc_args.query_result; + osc_data->is_queried = 1; } return status; @@ -203,7 +205,7 @@ acpi_status pci_osc_control_set(acpi_handle handle, u32 flags) if (!ctrlset) return AE_TYPE; - if (osc_data->support_set && + if (osc_data->is_queried && ((osc_data->query_result & ctrlset) != ctrlset)) return AE_SUPPORT;