---

yaml
---
r: 359856
b: refs/heads/master
c: 6048009
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5cebb23c6cbcfcae1d0586d07898677716f133bc
+refs/heads/master: 6048009818047297c510e300c6e8e6f623d4eac9

trunk/arch/arm/mach-omap2/Makefile

@@ -8,7 +8,7 @@ obj-y := id.o io.o control.o mux.o devices.o fb.o serial.o gpmc.o timer.o pm.o \
 	 omap_device.o sram.o
 
 omap-2-3-common				= irq.o
-hwmod-common				= omap_hwmod.o omap_hwmod_reset.o \
+hwmod-common				= omap_hwmod.o \
 					  omap_hwmod_common_data.o
 clock-common				= clock.o clock_common_data.o \
 					  clkt_dpll.o clkt_clksel.o

trunk/arch/arm/mach-omap2/omap_hwmod.c

@@ -2052,23 +2052,6 @@ static int _omap4_get_context_lost(struct omap_hwmod *oh)
 	return oh->prcm.omap4.context_lost_counter;
 }
 
-/**
- * _enable_preprogram - Pre-program an IP block during the _enable() process
- * @oh: struct omap_hwmod *
- *
- * Some IP blocks (such as AESS) require some additional programming
- * after enable before they can enter idle.  If a function pointer to
- * do so is present in the hwmod data, then call it and pass along the
- * return value; otherwise, return 0.
- */
-static int __init _enable_preprogram(struct omap_hwmod *oh)
-{
-	if (!oh->class->enable_preprogram)
-		return 0;
-
-	return oh->class->enable_preprogram(oh);
-}
-
 /**
  * _enable - enable an omap_hwmod
  * @oh: struct omap_hwmod *
@@ -2173,7 +2156,6 @@ static int _enable(struct omap_hwmod *oh)
 				_update_sysc_cache(oh);
 			_enable_sysc(oh);
 		}
-		r = _enable_preprogram(oh);
 	} else {
 		if (soc_ops.disable_module)
 			soc_ops.disable_module(oh);

trunk/arch/arm/mach-omap2/omap_hwmod.h

@@ -501,7 +501,6 @@ struct omap_hwmod_omap4_prcm {
  * @rev: revision of the IP class
  * @pre_shutdown: ptr to fn to be executed immediately prior to device shutdown
  * @reset: ptr to fn to be executed in place of the standard hwmod reset fn
- * @enable_preprogram:  ptr to fn to be executed during device enable
  *
  * Represent the class of a OMAP hardware "modules" (e.g. timer,
  * smartreflex, gpio, uart...)
@@ -525,7 +524,6 @@ struct omap_hwmod_class {
 	u32					rev;
 	int					(*pre_shutdown)(struct omap_hwmod *oh);
 	int					(*reset)(struct omap_hwmod *oh);
-	int					(*enable_preprogram)(struct omap_hwmod *oh);
 };
 
 /**
@@ -672,12 +670,6 @@ extern void __init omap_hwmod_init(void);
 
 const char *omap_hwmod_get_main_clk(struct omap_hwmod *oh);
 
-/*
- *
- */
-
-extern int omap_hwmod_aess_preprogram(struct omap_hwmod *oh);
-
 /*
  * Chip variant-specific hwmod init routines - XXX should be converted
  * to use initcalls once the initial boot ordering is straightened out

trunk/arch/arm/mach-omap2/omap_hwmod_44xx_data.c

@@ -322,7 +322,6 @@ static struct omap_hwmod_class_sysconfig omap44xx_aess_sysc = {
 static struct omap_hwmod_class omap44xx_aess_hwmod_class = {
 	.name	= "aess",
 	.sysc	= &omap44xx_aess_sysc,
-	.enable_preprogram = omap_hwmod_aess_preprogram,
 };
 
 /* aess */
@@ -349,7 +348,7 @@ static struct omap_hwmod omap44xx_aess_hwmod = {
 	.clkdm_name	= "abe_clkdm",
 	.mpu_irqs	= omap44xx_aess_irqs,
 	.sdma_reqs	= omap44xx_aess_sdma_reqs,
-	.main_clk	= "aess_fclk",
+	.main_clk	= "aess_fck",
 	.prcm = {
 		.omap4 = {
 			.clkctrl_offs = OMAP4_CM1_ABE_AESS_CLKCTRL_OFFSET,
@@ -4250,27 +4249,6 @@ static struct omap_hwmod_ocp_if omap44xx_l4_cfg__ocp_wp_noc = {
 
 static struct omap_hwmod_addr_space omap44xx_aess_addrs[] = {
 	{
-		.name		= "dmem",
-		.pa_start	= 0x40180000,
-		.pa_end		= 0x4018ffff
-	},
-	{
-		.name		= "cmem",
-		.pa_start	= 0x401a0000,
-		.pa_end		= 0x401a1fff
-	},
-	{
-		.name		= "smem",
-		.pa_start	= 0x401c0000,
-		.pa_end		= 0x401c5fff
-	},
-	{
-		.name		= "pmem",
-		.pa_start	= 0x401e0000,
-		.pa_end		= 0x401e1fff
-	},
-	{
-		.name		= "mpu",
 		.pa_start	= 0x401f1000,
 		.pa_end		= 0x401f13ff,
 		.flags		= ADDR_TYPE_RT
@@ -4289,27 +4267,6 @@ static struct omap_hwmod_ocp_if __maybe_unused omap44xx_l4_abe__aess = {
 
 static struct omap_hwmod_addr_space omap44xx_aess_dma_addrs[] = {
 	{
-		.name		= "dmem_dma",
-		.pa_start	= 0x49080000,
-		.pa_end		= 0x4908ffff
-	},
-	{
-		.name		= "cmem_dma",
-		.pa_start	= 0x490a0000,
-		.pa_end		= 0x490a1fff
-	},
-	{
-		.name		= "smem_dma",
-		.pa_start	= 0x490c0000,
-		.pa_end		= 0x490c5fff
-	},
-	{
-		.name		= "pmem_dma",
-		.pa_start	= 0x490e0000,
-		.pa_end		= 0x490e1fff
-	},
-	{
-		.name		= "dma",
 		.pa_start	= 0x490f1000,
 		.pa_end		= 0x490f13ff,
 		.flags		= ADDR_TYPE_RT
@@ -6325,7 +6282,7 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = {
 	&omap44xx_l3_main_1__l3_main_3,
 	&omap44xx_l3_main_2__l3_main_3,
 	&omap44xx_l4_cfg__l3_main_3,
-	&omap44xx_aess__l4_abe,
+	/* &omap44xx_aess__l4_abe, */
 	&omap44xx_dsp__l4_abe,
 	&omap44xx_l3_main_1__l4_abe,
 	&omap44xx_mpu__l4_abe,
@@ -6334,8 +6291,8 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = {
 	&omap44xx_l4_cfg__l4_wkup,
 	&omap44xx_mpu__mpu_private,
 	&omap44xx_l4_cfg__ocp_wp_noc,
-	&omap44xx_l4_abe__aess,
-	&omap44xx_l4_abe__aess_dma,
+	/* &omap44xx_l4_abe__aess, */
+	/* &omap44xx_l4_abe__aess_dma, */
 	&omap44xx_l3_main_2__c2c,
 	&omap44xx_l4_wkup__counter_32k,
 	&omap44xx_l4_cfg__ctrl_module_core,

trunk/arch/arm/mach-omap2/pm44xx.c

@@ -77,10 +77,20 @@ static int omap4_pm_suspend(void)
 		omap_set_pwrdm_state(pwrst->pwrdm, pwrst->saved_state);
 		pwrdm_set_logic_retst(pwrst->pwrdm, pwrst->saved_logic_state);
 	}
-	if (ret)
+	if (ret) {
 		pr_crit("Could not enter target state in pm_suspend\n");
-	else
+		/*
+		 * OMAP4 chip PM currently works only with certain (newer)
+		 * versions of bootloaders. This is due to missing code in the
+		 * kernel to properly reset and initialize some devices.
+		 * Warn the user about the bootloader version being one of the
+		 * possible causes.
+		 * http://www.spinics.net/lists/arm-kernel/msg218641.html
+		 */
+		pr_warn("A possible cause could be an old bootloader - try u-boot >= v2012.07\n");
+	} else {
 		pr_info("Successfully put all powerdomains to target state\n");
+	}
 
 	return 0;
 }
@@ -146,6 +156,13 @@ int __init omap4_pm_init(void)
 	}
 
 	pr_err("Power Management for TI OMAP4.\n");
+	/*
+	 * OMAP4 chip PM currently works only with certain (newer)
+	 * versions of bootloaders. This is due to missing code in the
+	 * kernel to properly reset and initialize some devices.
+	 * http://www.spinics.net/lists/arm-kernel/msg218641.html
+	 */
+	pr_warn("OMAP4 PM: u-boot >= v2012.07 is required for full PM support\n");
 
 	ret = pwrdm_for_each(pwrdms_setup, NULL);
 	if (ret) {