diff options
Diffstat (limited to 'arch/arm/mach-s3c2440')
| -rw-r--r-- | arch/arm/mach-s3c2440/mach-gta02.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c index 22de1819475..5980ea9110e 100644 --- a/arch/arm/mach-s3c2440/mach-gta02.c +++ b/arch/arm/mach-s3c2440/mach-gta02.c @@ -1277,13 +1277,12 @@ gta02_glamo_mmc_set_power(unsigned char power_mode, unsigned short vdd) case GTA02v4_SYSTEM_REV: case GTA02v5_SYSTEM_REV: case GTA02v6_SYSTEM_REV: - /* depend on pcf50633 driver init */ - if (!pcf50633_global) - while (!pcf50633_global) - msleep(10); switch (power_mode) { case MMC_POWER_ON: case MMC_POWER_UP: + /* depend on pcf50633 driver init + not suspended */ + while (pcf50633_ready(pcf50633_global)) + msleep(1); /* select and set the voltage */ if (vdd > 7) { mv += 300 + 100 * (vdd - 8); @@ -1292,15 +1291,19 @@ gta02_glamo_mmc_set_power(unsigned char power_mode, unsigned short vdd) } pcf50633_voltage_set(pcf50633_global, PCF50633_REGULATOR_HCLDO, mv); - msleep(10); pcf50633_onoff_set(pcf50633_global, PCF50633_REGULATOR_HCLDO, 1); - msleep(1); break; case MMC_POWER_OFF: + /* power off happens during suspend, when pcf50633 can + * be already gone and not coming back... just forget + * the action then because pcf50633 suspend already + * dealt with it, otherwise we spin forever + */ + if (pcf50633_ready(pcf50633_global)) + return; pcf50633_onoff_set(pcf50633_global, PCF50633_REGULATOR_HCLDO, 0); - msleep(1); break; } break; |