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dma: acpi-dma: parse CSRT to extract additional resources

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Since we have CSRT only to get additional DMA controller resources, let's get
rid of drivers/acpi/csrt.c and move its logic inside ACPI DMA helpers code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Andy Shevchenko
2013-05-08 11:55:48 +03:00
committed by Vinod Koul
parent f722406faa
commit ee8209fd02
6 changed files with 173 additions and 165 deletions
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4
include/linux/acpi_dma.h
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@@ -37,6 +37,8 @@ struct acpi_dma_spec {
* @dev: struct device of this controller
* @acpi_dma_xlate: callback function to find a suitable channel
* @data: private data used by a callback function
* @base_request_line: first supported request line (CSRT)
* @end_request_line: last supported request line (CSRT)
*/
struct acpi_dma {
struct list_head dma_controllers;
@@ -44,6 +46,8 @@ struct acpi_dma {
struct dma_chan *(*acpi_dma_xlate)
(struct acpi_dma_spec *, struct acpi_dma *);
void *data;
unsigned short base_request_line;
unsigned short end_request_line;
};
/* Used with acpi_dma_simple_xlate() */