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Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1068-fix-pcf50633-LOWBAT-kill-init.patch.patch')
-rw-r--r--target/linux/s3c24xx/patches-2.6.24/1068-fix-pcf50633-LOWBAT-kill-init.patch.patch86
1 files changed, 0 insertions, 86 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1068-fix-pcf50633-LOWBAT-kill-init.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1068-fix-pcf50633-LOWBAT-kill-init.patch.patch
deleted file mode 100644
index 2bbc782900..0000000000
--- a/target/linux/s3c24xx/patches-2.6.24/1068-fix-pcf50633-LOWBAT-kill-init.patch.patch
+++ /dev/null
@@ -1,86 +0,0 @@
-From 5a95dab616822e33d6526965b46eae98717537ea Mon Sep 17 00:00:00 2001
-From: mokopatches <mokopatches@openmoko.org>
-Date: Sun, 13 Apr 2008 07:23:58 +0100
-Subject: [PATCH] fix-pcf50633-LOWBAT-kill-init.patch
-
----
- drivers/i2c/chips/pcf50633.c | 56 ++++++++++++++++++++++++++++++++++++-----
- 1 files changed, 49 insertions(+), 7 deletions(-)
-
-diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c
-index 0cf5e53..fc1262e 100644
---- a/drivers/i2c/chips/pcf50633.c
-+++ b/drivers/i2c/chips/pcf50633.c
-@@ -690,8 +690,20 @@ static void pcf50633_work(struct work_struct *work)
- if (pcf->onkey_seconds >=
- pcf->pdata->onkey_seconds_sig_init) {
- /* Ask init to do 'ctrlaltdel' */
-- DEBUGPC("SIGINT(init) ");
-- kill_proc(1, SIGINT, 1);
-+ /*
-+ * currently Linux reacts badly to issuing a
-+ * signal to PID #1 before init is started.
-+ * What happens is that the next kernel thread
-+ * to start, which is the JFFS2 Garbage
-+ * collector in our case, gets the signal
-+ * instead and proceeds to fail to fork --
-+ * which is very bad. Therefore we confirm
-+ * PID #1 exists before issuing the signal
-+ */
-+ if (find_task_by_pid(1)) {
-+ DEBUGPC("SIGINT(init) ");
-+ kill_proc(1, SIGINT, 1);
-+ }
- /* FIXME: what if userspace doesn't shut down? */
- }
- if (pcf->onkey_seconds >=
-@@ -790,11 +802,41 @@ static void pcf50633_work(struct work_struct *work)
- }
-
- if (pcfirq[3] & (PCF50633_INT4_LOWBAT|PCF50633_INT4_LOWSYS)) {
-- /* Really low battery voltage, we have 8 seconds left */
-- DEBUGPC("LOWBAT ");
-- apm_queue_event(APM_LOW_BATTERY);
-- DEBUGPC("SIGPWR(init) ");
-- kill_proc(1, SIGPWR, 1);
-+ if ((__reg_read(pcf, PCF50633_REG_MBCS1) &
-+ (PCF50633_MBCS1_USBPRES | PCF50633_MBCS1_USBOK)) ==
-+ (PCF50633_MBCS1_USBPRES | PCF50633_MBCS1_USBOK)) {
-+ /*
-+ * hey no need to freak out, we have some kind of
-+ * valid charger power
-+ */
-+ DEBUGPC("(NO)BAT ");
-+ } else {
-+ /* Really low battery voltage, we have 8 seconds left */
-+ DEBUGPC("LOWBAT ");
-+ /*
-+ * currently Linux reacts badly to issuing a signal to
-+ * PID #1 before init is started. What happens is that
-+ * the next kernel thread to start, which is the JFFS2
-+ * Garbage collector in our case, gets the signal
-+ * instead and proceeds to fail to fork -- which is
-+ * very bad. Therefore we confirm PID #1 exists
-+ * before issuing SPIGPWR
-+ */
-+ if (find_task_by_pid(1)) {
-+ apm_queue_event(APM_LOW_BATTERY);
-+ DEBUGPC("SIGPWR(init) ");
-+ kill_proc(1, SIGPWR, 1);
-+ } else
-+ /*
-+ * well, our situation is like this: we do not
-+ * have any external power, we have a low
-+ * battery and since PID #1 doesn't exist yet,
-+ * we are early in the boot, likely before
-+ * rootfs mount. We should just call it a day
-+ */
-+ apm_queue_event(APM_CRITICAL_SUSPEND);
-+ }
-+
- /* Tell PMU we are taking care of this */
- reg_set_bit_mask(pcf, PCF50633_REG_OOCSHDWN,
- PCF50633_OOCSHDWN_TOTRST,
---
-1.5.6.5
-