diff options
Diffstat (limited to 'drivers/acpi/glue.c')
-rw-r--r-- | drivers/acpi/glue.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 8bd2c2a6884d..a8a5c29958c8 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c | |||
@@ -140,46 +140,6 @@ struct device *acpi_get_physical_device(acpi_handle handle) | |||
140 | 140 | ||
141 | EXPORT_SYMBOL(acpi_get_physical_device); | 141 | EXPORT_SYMBOL(acpi_get_physical_device); |
142 | 142 | ||
143 | /* ToDo: When a PCI bridge is found, return the PCI device behind the bridge | ||
144 | * This should work in general, but did not on a Lenovo T61 for the | ||
145 | * graphics card. But this must be fixed when the PCI device is | ||
146 | * bound and the kernel device struct is attached to the acpi device | ||
147 | * Note: A success call will increase reference count by one | ||
148 | * Do call put_device(dev) on the returned device then | ||
149 | */ | ||
150 | struct device *acpi_get_physical_pci_device(acpi_handle handle) | ||
151 | { | ||
152 | struct device *dev; | ||
153 | long long device_id; | ||
154 | acpi_status status; | ||
155 | |||
156 | status = | ||
157 | acpi_evaluate_integer(handle, "_ADR", NULL, &device_id); | ||
158 | |||
159 | if (ACPI_FAILURE(status)) | ||
160 | return NULL; | ||
161 | |||
162 | /* We need to attempt to determine whether the _ADR refers to a | ||
163 | PCI device or not. There's no terribly good way to do this, | ||
164 | so the best we can hope for is to assume that there'll never | ||
165 | be a device in the host bridge */ | ||
166 | if (device_id >= 0x10000) { | ||
167 | /* It looks like a PCI device. Does it exist? */ | ||
168 | dev = acpi_get_physical_device(handle); | ||
169 | } else { | ||
170 | /* It doesn't look like a PCI device. Does its parent | ||
171 | exist? */ | ||
172 | acpi_handle phandle; | ||
173 | if (acpi_get_parent(handle, &phandle)) | ||
174 | return NULL; | ||
175 | dev = acpi_get_physical_device(phandle); | ||
176 | } | ||
177 | if (!dev) | ||
178 | return NULL; | ||
179 | return dev; | ||
180 | } | ||
181 | EXPORT_SYMBOL(acpi_get_physical_pci_device); | ||
182 | |||
183 | static int acpi_bind_one(struct device *dev, acpi_handle handle) | 143 | static int acpi_bind_one(struct device *dev, acpi_handle handle) |
184 | { | 144 | { |
185 | struct acpi_device *acpi_dev; | 145 | struct acpi_device *acpi_dev; |