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authorPaul Fertser <fercerpav@gmail.com>2009-10-14 02:12:30 +0400
committerSamuel Ortiz <sameo@linux.intel.com>2009-12-13 19:21:07 +0100
commit06b1cc9c05aeb5c5400dbc3b139605334719a881 (patch)
tree71b2808c59288ea0b75bf4adcfd667d237a1ca25 /drivers/mfd
parent0c7229f93a529145d52e1bd7b29e6c98a3a3294d (diff)
downloadop-kernel-dev-06b1cc9c05aeb5c5400dbc3b139605334719a881.zip
op-kernel-dev-06b1cc9c05aeb5c5400dbc3b139605334719a881.tar.gz
mfd: Disable unnecessary pcf50633 shutdown on lowsys
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@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/pcf50633-core.c3
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)) {
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