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fc54b9bf15
(stable-branch of Openmoko) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13613 3c298f89-4303-0410-b956-a3cf2f4a3e73
38 lines
1.3 KiB
Diff
38 lines
1.3 KiB
Diff
From 7b7d70785f1b3c1421d56ee8140578fea3b90f9c Mon Sep 17 00:00:00 2001
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From: Holger Freyther <zecke@openmoko.org>
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Date: Thu, 15 May 2008 21:47:56 +0100
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Subject: [PATCH] Fixup hang on resume caused by the s3c2410 touch screen driver
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From dc6d335b467646d802a21ea6b925ee97e83e07be Mon Sep 17 00:00:00 2001
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From: Holger Freyther <zecke@openmoko.org>
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Date: Thu, 15 May 2008 01:16:23 +0200
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Subject: [PATCH] Do not use msleep in the resume path of s3c2410_ts as it
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might lockup
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For some reason msleep might set the only task running into a suspended
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state and no timer will ever wake it up. Use mdelay to avoid this. I was not
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able to understand the reasoning of sleeping after enabling the clock. So we
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might just remove the msleep/mdelay at all and be fine.
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Signed-Off-By: Holger Freyther <zecke@openmoko.org>
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---
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drivers/input/touchscreen/s3c2410_ts.c | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c
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index 68071c2..6d395ca 100644
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--- a/drivers/input/touchscreen/s3c2410_ts.c
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+++ b/drivers/input/touchscreen/s3c2410_ts.c
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@@ -356,7 +356,7 @@ static int s3c2410ts_resume(struct platform_device *pdev)
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( struct s3c2410_ts_mach_info *)pdev->dev.platform_data;
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clk_enable(adc_clock);
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- msleep(1);
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+ mdelay(1);
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enable_irq(IRQ_ADC);
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enable_irq(IRQ_TC);
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--
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1.5.6.5
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