changed Makefile and profiles, added patches for kernel 2.6.24

(stable-branch of Openmoko)


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13613 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 263 insertions, 0 deletions

diff --git a/target/linux/s3c24xx/patches-2.6.24/1195-fix-pcf50633-kill-white-splash-of-death-on-suspend.p.patch b/target/linux/s3c24xx/patches-2.6.24/1195-fix-pcf50633-kill-white-splash-of-death-on-suspend.p.patch
new file mode 100644
index 0000000000..9b66ef1d19
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.24/1195-fix-pcf50633-kill-white-splash-of-death-on-suspend.p.patch
@@ -0,0 +1,263 @@
+From 358429b39b6801f4856e7c80d2c58ac7be4bd0bc Mon Sep 17 00:00:00 2001
+From: Andy Green <andy@openmoko.com>
+Date: Wed, 2 Jul 2008 22:41:14 +0100
+Subject: [PATCH] fix-pcf50633-kill-white-splash-of-death-on-suspend.patch
+
+mach-gta02 meddles with the regulator platform struct after
+it is defined, leading to LCM power getting lost in suspend
+despite I set it to be left up.  Fixing this finally removes
+the incredibly stubborn white LCM on suspend "flash".
+
+This is also going to be implicated in Sean McNeil's
+experience of monochromatic LCM after resume, which was
+previously attacked by resetting and re-initing the LCM
+from scratch.
+
+In addition, I realized that we take down core_1v3 in
+pcf50633 suspend action, this is happening near the
+start of suspend, so we are in a meta-race to finish
+suspend in a controlled way before the caps on core_1v3
+run out (I only saw 23.3uF total).  If it's true, this
+is where the weirdo sensitivity to timing during
+suspend is coming from.
+
+Therefore in this patch we also remove sleeps and
+dev_info() etc (which have to flush on serial console)
+from the pc50633 isr workqueue if we are in pcf50633
+driver suspend state 1, ie, suspending... because we
+don't have time for it.
+
+Signed-off-by: Andy Green <andy@openmoko.com>
+---
+ arch/arm/mach-s3c2440/mach-gta02.c |   43 ++++++++++++++++++++++++++----------
+ drivers/i2c/chips/pcf50633.c       |   29 ++++++++++++-----------
+ drivers/mfd/glamo/glamo-core.c     |    2 +
+ drivers/video/display/jbt6k74.c    |    1 +
+ 4 files changed, 49 insertions(+), 26 deletions(-)
+
+diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
+index 654dc8f..0bacafa 100644
+--- a/arch/arm/mach-s3c2440/mach-gta02.c
++++ b/arch/arm/mach-s3c2440/mach-gta02.c
+@@ -485,6 +485,9 @@ static struct pcf50633_platform_data gta02_pcf_pdata = {
+ 		[1] = PCF50633_INT2_ONKEYF,
+ 		[2] = PCF50633_INT3_ONKEY1S
+ 	},
++	/* warning: these get rewritten during machine init below
++	 * depending on pcb variant
++	 */
+ 	.rails	= {
+ 		[PCF50633_REGULATOR_AUTO] = {
+ 			.name		= "io_3v3",
+@@ -496,6 +499,12 @@ static struct pcf50633_platform_data gta02_pcf_pdata = {
+ 		},
+ 		[PCF50633_REGULATOR_DOWN1] = {
+ 			.name		= "core_1v3",
++			/* Wow, when we are going into suspend, after pcf50633
++			 * runs its suspend (which happens real early since it
++			 * is an i2c device) we are running out of the 22uF cap
++			 * on core_1v3 rail !!!!
++			 */
++			.flags		= PMU_VRAIL_F_SUSPEND_ON,
+ 			.voltage	= {
+ 				.init	= 1300,
+ 				.max	= 1600,
+@@ -503,6 +512,7 @@ static struct pcf50633_platform_data gta02_pcf_pdata = {
+ 		},
+ 		[PCF50633_REGULATOR_DOWN2] = {
+ 			.name		= "core_1v8",
++			.flags		= PMU_VRAIL_F_SUSPEND_ON,
+ 			.voltage	= {
+ 				.init	= 1800,
+ 				.max	= 1800,
+@@ -516,8 +526,7 @@ static struct pcf50633_platform_data gta02_pcf_pdata = {
+ 			},
+ 		},
+ 		[PCF50633_REGULATOR_LDO1] = {
+-			.name		= "stby_1v3",
+-			.flags		= PMU_VRAIL_F_SUSPEND_ON,
++			.name		= "gsensor_3v3",
+ 			.voltage	= {
+ 				.init	= 1300,
+ 				.max	= 1330,
+@@ -531,7 +540,7 @@ static struct pcf50633_platform_data gta02_pcf_pdata = {
+ 			},
+ 		},
+ 		[PCF50633_REGULATOR_LDO3] = {
+-			.name		= "lcm_3v",
++			.name		= "unused3",
+ 			.voltage	= {
+ 				.init	= 3000,
+ 				.max	= 3000,
+@@ -545,20 +554,28 @@ static struct pcf50633_platform_data gta02_pcf_pdata = {
+ 			},
+ 		},
+ 		[PCF50633_REGULATOR_LDO5] = {
+-			.name		= "gl_1v5",
++			.name		= "rf3v",
+ 			.voltage	= {
+ 				.init	= 1500,
+ 				.max	= 1500,
+ 			},
+ 		},
+ 		[PCF50633_REGULATOR_LDO6] = {
+-			.name		= "user1",
++			.name		= "lcm_3v",
+ 			.flags = PMU_VRAIL_F_SUSPEND_ON,
+ 			.voltage	= {
+ 				.init	= 0,
+ 				.max	= 3300,
+ 			},
+ 		},
++		[PCF50633_REGULATOR_MEMLDO] = {
++			.name		= "memldo",
++			.flags = PMU_VRAIL_F_SUSPEND_ON,
++			.voltage	= {
++				.init	= 1800,
++				.max	= 1800,
++			},
++		},
+ 	},
+ 	.defer_resume_backlight = 1,
+ };
+@@ -611,13 +628,15 @@ static void mangle_pmu_pdata_by_system_rev(void)
+ 								.max = 3000,
+ 							}
+ 						});
+-		gta02_pcf_pdata.rails[PCF50633_REGULATOR_LDO6] = ((struct pmu_voltage_rail) {
+-							.name = "lcm_3v",
+-							.voltage = {
+-								.init = 3000,
+-								.max = 3000,
+-							}
+-						});
++		gta02_pcf_pdata.rails[PCF50633_REGULATOR_LDO6] =
++					((struct pmu_voltage_rail) {
++						.name = "lcm_3v",
++						.flags = PMU_VRAIL_F_SUSPEND_ON,
++						.voltage = {
++							.init = 3000,
++							.max = 3000,
++						}
++					});
+ 		break;
+ 	default:
+ 		break;
+diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c
+index 2f144bc..2e5981d 100644
+--- a/drivers/i2c/chips/pcf50633.c
++++ b/drivers/i2c/chips/pcf50633.c
+@@ -750,9 +750,6 @@ static void pcf50633_work(struct work_struct *work)
+ 	mutex_lock(&pcf->working_lock);
+ 	pcf->working = 1;
+ 
+-	dev_info(&pcf->client.dev, "pcf50633_work called with suspended = %d\n",
+-				   pcf->have_been_suspended);
+-
+ 	/*
+ 	 * If we are inside suspend -> resume completion time we don't attempt
+ 	 * service until we have fully resumed.  Although we could talk to the
+@@ -763,11 +760,8 @@ static void pcf50633_work(struct work_struct *work)
+ 	 * completed.
+ 	 */
+ 
+-	if (pcf->have_been_suspended && (pcf->have_been_suspended < 3)) {
+-		dev_info(&pcf->client.dev, "rescheduling,  suspended = %d\n",
+-					   pcf->have_been_suspended);
++	if (pcf->have_been_suspended && (pcf->have_been_suspended < 3))
+ 		goto reschedule;
+-	}
+ 
+ 	/*
+ 	 * datasheet says we have to read the five IRQ
+@@ -1158,9 +1152,13 @@ static void pcf50633_work(struct work_struct *work)
+ 
+ reschedule:
+ 	/* don't spew, delaying whatever else is happening */
+-	msleep(100);
+-
+-	dev_info(&pcf->client.dev, "rescheduling interrupt service\n");
++	/* EXCEPTION: if we are in the middle of suspending, we don't have
++	 * time to hang around since we may be turned off core 1V3 already
++	 */
++	if (pcf->have_been_suspended != 1) {
++		msleep(50);
++		dev_info(&pcf->client.dev, "rescheduling interrupt service\n");
++	}
+ 	if (!schedule_work(&pcf->work))
+ 		dev_err(&pcf->client.dev, "int service reschedule failed\n");
+ 
+@@ -2340,7 +2338,7 @@ static int pcf50633_suspend(struct device *dev, pm_message_t state)
+ 					    PCF50633_REG_AUTOOUT,
+ 					    sizeof(pcf->standby_regs.misc),
+ 					    &pcf->standby_regs.misc[0]);
+-	if (ret != 18)
++	if (ret != sizeof(pcf->standby_regs.misc))
+ 		dev_err(dev, "Failed to save misc levels and enables :-(\n");
+ 
+ 	/* regulator voltages and enable states */
+@@ -2348,7 +2346,7 @@ static int pcf50633_suspend(struct device *dev, pm_message_t state)
+ 					    PCF50633_REG_LDO1OUT,
+ 					    sizeof(pcf->standby_regs.ldo),
+ 					    &pcf->standby_regs.ldo[0]);
+-	if (ret != 14)
++	if (ret != sizeof(pcf->standby_regs.ldo))
+ 		dev_err(dev, "Failed to save LDO levels and enables :-(\n");
+ 
+ 	/* switch off power supplies that are not needed during suspend */
+@@ -2356,8 +2354,6 @@ static int pcf50633_suspend(struct device *dev, pm_message_t state)
+ 		if ((pcf->pdata->rails[i].flags & PMU_VRAIL_F_SUSPEND_ON))
+ 			continue;
+ 
+-		dev_dbg(dev, "disabling regulator %u\n", i);
+-
+ 		/* we can save ourselves the read part of a read-modify-write
+ 		 * here because we captured all these already
+ 		 */
+@@ -2366,6 +2362,11 @@ static int pcf50633_suspend(struct device *dev, pm_message_t state)
+ 		else
+ 			tmp = pcf->standby_regs.ldo[(i - 4) * 2 + 1];
+ 
++		dev_info(dev, "disabling reg %s by setting ENA %d to 0x%02X\n",
++			      pcf->pdata->rails[i].name,
++			      regulator_registers[i] + 1, tmp & 0xfe);
++
++		/* associated enable is always +1 from OUT reg */
+ 		__reg_write(pcf, regulator_registers[i] + 1, tmp & 0xfe);
+ 	}
+ 
+diff --git a/drivers/mfd/glamo/glamo-core.c b/drivers/mfd/glamo/glamo-core.c
+index 2a02f9c..2412b7d 100644
+--- a/drivers/mfd/glamo/glamo-core.c
++++ b/drivers/mfd/glamo/glamo-core.c
+@@ -848,6 +848,7 @@ static void glamo_power(struct glamo_core *glamo,
+ 				 ARRAY_SIZE(glamo_resume_script), 0);
+ 
+ 		break;
++
+ 	case GLAMO_POWER_STANDBY:
+ 		/* enable memory self-refresh */
+ 		__reg_set_bit_mask(glamo, GLAMO_REG_MEM_DRAM1,
+@@ -859,6 +860,7 @@ static void glamo_power(struct glamo_core *glamo,
+ 		__reg_set_bit_mask(glamo, GLAMO_REG_PLL_GEN3, 0x2000, 0xffff);
+ 		__reg_set_bit_mask(glamo, GLAMO_REG_DFT_GEN5, 0x0001, 0xffff);
+ 		break;
++
+ 	case GLAMO_POWER_SUSPEND:
+ 		__reg_set_bit_mask(glamo, GLAMO_REG_MEM_DRAM2,
+ 				   GLAMO_MEM_DRAM2_DEEP_PWRDOWN, 0xffff);
+diff --git a/drivers/video/display/jbt6k74.c b/drivers/video/display/jbt6k74.c
+index 6fa1fe7..b406298 100644
+--- a/drivers/video/display/jbt6k74.c
++++ b/drivers/video/display/jbt6k74.c
+@@ -634,6 +634,7 @@ static int jbt_suspend(struct spi_device *spi, pm_message_t state)
+ 
+ 	/* Save mode for resume */
+ 	jbt->last_state = jbt->state;
++
+ 	jbt6k74_enter_state(jbt, JBT_STATE_DEEP_STANDBY);
+ 
+ 	jbt->have_resumed = 0;
+-- 
+1.5.6.5
+