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ACPI / LPSS: register clock device for Lynxpoint DMA properly

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The DMA controller in Lynxpoint is enumerated as a regular ACPI device now. To
work properly it is using the LPSS root clock as a functional clock. That's why
we have to register the clock device accordingly to the ACPI ID of the DMA
controller. The acpi_lpss.c module is responsible to do the job.

This patch also removes hardcoded name of the DMA device in clk-lpt.c and the
name of the root clock in acpi_lpss.c.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Rafael J. Wysocki 2013-05-08 11:55:49 +03:00 • committed by Vinod Koul
commit b59cc200ac
3 changed files with 38 additions and 8 deletions
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5
include/linux/platform_data/clk-lpss.h
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@ -13,6 +13,11 @@
#ifndef __CLK_LPSS_H
#define __CLK_LPSS_H
struct lpss_clk_data {
const char *name;
struct clk *clk;
};
extern int lpt_clk_init(void);
#endif /* __CLK_LPSS_H */