[PATCH] ARM PXA: invalid clocks settings.

From: Rodolfo Giometti
Date: Mon Jun 25 2007 - 06:54:19 EST


This patch fixes some bugs in the CPU clocks settings entered by commit
7053acbd78336abf5d4bc3d8a875a03624cfb83f. These bugs also prevent the system
in going to sleep correctly leaving it into a non consistent status.

The clocks enable/disable defines was changed from:

#define CKEN_CAMERA (1 << 24)

to:

#define CKEN_CAMERA (24)

so direct access to the CKEN register should be now in the form:

CKEN |= (1 << CKEN_CAMERA)

Signed-off-by: Rodolfo Giometti <giometti@xxxxxxxx>
---
arch/arm/mach-pxa/pxa27x.c | 5 +++--
sound/arm/pxa2xx-ac97.c | 2 +-
sound/soc/pxa/pxa2xx-ac97.c | 2 +-
3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index c64bab4..7be8a74 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -140,9 +140,10 @@ void pxa_cpu_pm_enter(suspend_state_t state)
extern void pxa_cpu_resume(void);

if (state == PM_SUSPEND_STANDBY)
- CKEN = CKEN_MEMC | CKEN_OSTIMER | CKEN_LCD | CKEN_PWM0;
+ CKEN = (1 << CKEN_MEMC) | (1 << CKEN_OSTIMER) | \
+ (1 << CKEN_LCD) | (1 << CKEN_PWM0);
else
- CKEN = CKEN_MEMC | CKEN_OSTIMER;
+ CKEN = (1 << CKEN_MEMC) | (1 << CKEN_OSTIMER);

/* ensure voltage-change sequencer not initiated, which hangs */
PCFR &= ~PCFR_FVC;
diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c
index 19c65a8..7bc2767 100644
--- a/sound/arm/pxa2xx-ac97.c
+++ b/sound/arm/pxa2xx-ac97.c
@@ -361,7 +361,7 @@ static int __devinit pxa2xx_ac97_probe(struct platform_device *dev)
err:
if (card)
snd_card_free(card);
- if (CKEN & CKEN_AC97) {
+ if (CKEN & (1 << CKEN_AC97)) {
GCR |= GCR_ACLINK_OFF;
free_irq(IRQ_AC97, NULL);
pxa_set_cken(CKEN_AC97, 0);
diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c
index b222755..129d851 100644
--- a/sound/soc/pxa/pxa2xx-ac97.c
+++ b/sound/soc/pxa/pxa2xx-ac97.c
@@ -300,7 +300,7 @@ static int pxa2xx_ac97_probe(struct platform_device *pdev)
return 0;

err:
- if (CKEN & CKEN_AC97) {
+ if (CKEN & (1 << CKEN_AC97)) {
GCR |= GCR_ACLINK_OFF;
free_irq(IRQ_AC97, NULL);
pxa_set_cken(CKEN_AC97, 0);
--
1.5.2.2


--

GNU/Linux Solutions e-mail: giometti@xxxxxxxxxxxx
Linux Device Driver giometti@xxxxxxxxx
Embedded Systems giometti@xxxxxxxx
UNIX programming phone: +39 349 2432127
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