47 lines
1.5 KiB
Diff
47 lines
1.5 KiB
Diff
From 8f4ffd81a902d5499228ce79fcf38c90df52f0e4 Mon Sep 17 00:00:00 2001
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From: Andy Green <andy@openmoko.com>
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Date: Wed, 2 Jul 2008 22:39:41 +0100
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Subject: [PATCH] fix-glamo-mci-power-setting-timeout-waiting-for-pcf50633.patch
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Glamo MCI power setting stuff spins on pcf50633
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but it won't hurt if it gives up after a second or
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two instead of stalling the resume silently.
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Signed-off-by: Andy Green <andy@openmoko.com>
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---
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arch/arm/mach-s3c2440/mach-gta02.c | 11 +++++++++--
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1 files changed, 9 insertions(+), 2 deletions(-)
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diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
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index 5980ea9..69a952a 100644
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--- a/arch/arm/mach-s3c2440/mach-gta02.c
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+++ b/arch/arm/mach-s3c2440/mach-gta02.c
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@@ -1265,6 +1265,7 @@ static void
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gta02_glamo_mmc_set_power(unsigned char power_mode, unsigned short vdd)
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{
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int mv = 1650;
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+ int timeout = 100;
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printk(KERN_DEBUG "mmc_set_power(power_mode=%u, vdd=%u\n",
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power_mode, vdd);
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@@ -1281,8 +1282,14 @@ gta02_glamo_mmc_set_power(unsigned char power_mode, unsigned short vdd)
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case MMC_POWER_ON:
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case MMC_POWER_UP:
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/* depend on pcf50633 driver init + not suspended */
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- while (pcf50633_ready(pcf50633_global))
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- msleep(1);
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+ while (pcf50633_ready(pcf50633_global) && (timeout--))
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+ msleep(5);
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+
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+ if (!timeout) {
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+ printk(KERN_ERR"gta02_glamo_mmc_set_power "
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+ "BAILING on timeout\n");
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+ return;
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+ }
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/* select and set the voltage */
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if (vdd > 7) {
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mv += 300 + 100 * (vdd - 8);
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--
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1.5.6.5
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