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[ARM] 4690/1: PXA: fix CKEN corruption in PXA27x AC97 cold reset code

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Fix CKEN register corruption in the PXA27x cold reset code
located in sound/arm/pxa27x-ac97.c. The problem has been
introduced with a pxa_set_cken() function change in linux 2.6.23.
This patch is based on patch 4527/1 that fixes the same problem in
the ASoC PXA-AC97 driver. Additionally a definition for the CKEN
index value is added and applied to both PXA AC97 drivers.

Signed-off-by: Michael Brunner <[email protected]>
Signed-off-by: Russell King <[email protected]>
This commit is contained in:
Michael Brunner 2007-12-04 21:39:20 +01:00 • committed by Russell King
commit 03d14a5536
3 changed files with 5 additions and 4 deletions
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1
include/asm-arm/arch-pxa/pxa-regs.h
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@ -1784,6 +1784,7 @@
#define CCCR_M_MASK 0x0060 /* Memory Frequency to Run Mode Frequency Multiplier */
#define CCCR_L_MASK 0x001f /* Crystal Frequency to Memory Frequency Multiplier */
#define CKEN_AC97CONF (31) /* AC97 Controller Configuration */
#define CKEN_CAMERA (24) /* Camera Interface Clock Enable */
#define CKEN_SSP1 (23) /* SSP1 Unit Clock Enable */
#define CKEN_MEMC (22) /* Memory Controller Clock Enable */