[PATCH 1/7] mfd: pcf50633 disable unnecessary shutdown on lowsys

From: Paul Fertser
Date: Tue Oct 13 2009 - 18:16:16 EST


On gta02 hardware revision A5 it can actually bring the system down
during normal operating conditions so we disable it.

Signed-off-by: Paul Fertser <fercerpav@xxxxxxxxx>
---
drivers/mfd/pcf50633-core.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index d26d774..6efe5c3 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -345,6 +345,9 @@ static void pcf50633_irq_worker(struct work_struct *work)
goto out;
}

+ /* defeat 8s death from lowsys on A5 */
+ pcf50633_reg_write(pcf, PCF50633_REG_OOCSHDWN, 0x04);
+
/* We immediately read the usb and adapter status. We thus make sure
* only of USBINS/USBREM IRQ handlers are called */
if (pcf_int[0] & (PCF50633_INT1_USBINS | PCF50633_INT1_USBREM)) {
--
1.6.0.6

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