| Commit message (Collapse) | Author | Age | Files | Lines | |
|---|---|---|---|---|---|
| * | ACPI: remove unnecessary INIT_LIST_HEAD | Andy Shevchenko | 2012-11-27 | 1 | -1/+0 |
| | | | | | | | | | There is no need to initialize the node before appending it to the list. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> | ||||
| * | ACPI / resources: Use AE_CTRL_TERMINATE to terminate resources walks | Rafael J. Wysocki | 2012-11-16 | 1 | -1/+1 |
| | | | | | | | | | | | | | Currently acpi_dev_process_resource() returns AE_ABORT_METHOD to terminate the acpi_walk_resources() it is called from if the .preproc() routine provided by the caller of acpi_dev_get_resources() initiating the resources walk returns an error code. It is better to use AE_CTRL_TERMINATE for this purpose, however, so do that. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ||||
| * | ACPI: Centralized processing of ACPI device resources | Rafael J. Wysocki | 2012-11-15 | 1 | -0/+134 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, whoever wants to use ACPI device resources has to call acpi_walk_resources() to browse the buffer returned by the _CRS method for the given device and create filters passed to that routine to apply to the individual resource items. This generally is cumbersome, time-consuming and inefficient. Moreover, it may be problematic if resource conflicts need to be resolved, because the different users of _CRS will need to do that in a consistent way. However, if there are resource conflicts, the ACPI core should be able to resolve them centrally instead of relying on various users of acpi_walk_resources() to handle them correctly together. For this reason, introduce a new function, acpi_dev_get_resources(), that can be used by subsystems to obtain a list of struct resource objects corresponding to the ACPI device resources returned by _CRS and, if necessary, to apply additional preprocessing routine to the ACPI resources before converting them to the struct resource format. Make the ACPI code that creates platform device objects use acpi_dev_get_resources() for resource processing instead of executing acpi_walk_resources() twice by itself, which causes it to be much more straightforward and easier to follow. In the future, acpi_dev_get_resources() can be extended to meet the needs of the ACPI PNP subsystem and other users of _CRS in the kernel. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ||||
| * | ACPI: Move device resources interpretation code from PNP to ACPI core | Rafael J. Wysocki | 2012-11-15 | 1 | -0/+393 |
| Move some code used for parsing ACPI device resources from the PNP subsystem to the ACPI core, so that other bus types (platform, SPI, I2C) can use the same routines for parsing resources in a consistent way, without duplicating code. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com> | |||||
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