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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-06-28 12:58:21 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-06-28 12:58:21 +0200
commit8e9914d5efe460600f5948da7ae4c1b6c038a4c0 (patch)
tree2a6ed5d7ba447f2288f05f9b8d54db92b8b28139 /arch/ia64
parent80338681bbc5786fa1342d3b7f021c1d8974ac62 (diff)
parent24071f472d813fccacc1ef7356b1f41422a1b968 (diff)
downloadlinux-8e9914d5efe460600f5948da7ae4c1b6c038a4c0.tar.bz2
Merge branch 'acpi-scan'
* acpi-scan: ACPI / scan: Do not bind ACPI drivers to objects with scan handlers ACPI / ia64 / sba_iommu: Use ACPI scan handler for device discovery ACPI / scan: Simplify ACPI driver probing
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/hp/common/sba_iommu.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index bcda5b2d121a..d43daf192b21 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -2042,7 +2042,8 @@ sba_map_ioc_to_node(struct ioc *ioc, acpi_handle handle)
#endif
static int __init
-acpi_sba_ioc_add(struct acpi_device *device)
+acpi_sba_ioc_add(struct acpi_device *device,
+ const struct acpi_device_id *not_used)
{
struct ioc *ioc;
acpi_status status;
@@ -2090,14 +2091,18 @@ static const struct acpi_device_id hp_ioc_iommu_device_ids[] = {
{"HWP0004", 0},
{"", 0},
};
-static struct acpi_driver acpi_sba_ioc_driver = {
- .name = "IOC IOMMU Driver",
- .ids = hp_ioc_iommu_device_ids,
- .ops = {
- .add = acpi_sba_ioc_add,
- },
+static struct acpi_scan_handler acpi_sba_ioc_handler = {
+ .ids = hp_ioc_iommu_device_ids,
+ .attach = acpi_sba_ioc_add,
};
+static int __init acpi_sba_ioc_init_acpi(void)
+{
+ return acpi_scan_add_handler(&acpi_sba_ioc_handler);
+}
+/* This has to run before acpi_scan_init(). */
+arch_initcall(acpi_sba_ioc_init_acpi);
+
extern struct dma_map_ops swiotlb_dma_ops;
static int __init
@@ -2122,7 +2127,10 @@ sba_init(void)
}
#endif
- acpi_bus_register_driver(&acpi_sba_ioc_driver);
+ /*
+ * ioc_list should be populated by the acpi_sba_ioc_handler's .attach()
+ * routine, but that only happens if acpi_scan_init() has already run.
+ */
if (!ioc_list) {
#ifdef CONFIG_IA64_GENERIC
/*