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authorNicolas Pitre <nico@cam.org>2005-08-10 16:45:13 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-08-10 16:45:13 +0100
commit8d3722667762af1490db18ba927386d3be89a32b (patch)
tree5b96d7b33c40b1abca00030f0b3b42bed5567b0c /drivers
parent6626a7076d39f0a18156cdd97d4e2cbef91ad701 (diff)
[PATCH] ARM: 2846/1: proper handling of CKEN for pxafb
Patch from Nicolas Pitre Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/pxafb.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 16e37a535d8..30112816420 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -717,6 +717,9 @@ static void pxafb_enable_controller(struct pxafb_info *fbi)
DPRINTK("reg_lccr2 0x%08x\n", (unsigned int) fbi->reg_lccr2);
DPRINTK("reg_lccr3 0x%08x\n", (unsigned int) fbi->reg_lccr3);
+ /* enable LCD controller clock */
+ pxa_set_cken(CKEN16_LCD, 1);
+
/* Sequence from 11.7.10 */
LCCR3 = fbi->reg_lccr3;
LCCR2 = fbi->reg_lccr2;
@@ -750,6 +753,9 @@ static void pxafb_disable_controller(struct pxafb_info *fbi)
schedule_timeout(20 * HZ / 1000);
remove_wait_queue(&fbi->ctrlr_wait, &wait);
+
+ /* disable LCD controller clock */
+ pxa_set_cken(CKEN16_LCD, 0);
}
/*
@@ -1299,8 +1305,6 @@ int __init pxafb_probe(struct device *dev)
ret = -ENOMEM;
goto failed;
}
- /* enable LCD controller clock */
- pxa_set_cken(CKEN16_LCD, 1);
ret = request_irq(IRQ_LCD, pxafb_handle_irq, SA_INTERRUPT, "LCD", fbi);
if (ret) {