Merge branch 'for_3.4/fixes/pm' of git://git.kernel.org/pub/scm/linux/kernel/git...

diff --git a/arch/arm/mach-omap2/opp.c b/arch/arm/mach-omap2/opp.c
index 9262a6b47702582d30a2a75d21cb3637c2252a24..de6d46451746eaa19f2ba2a28c6385531acddce3 100644 (file)
--- a/arch/arm/mach-omap2/opp.c
+++ b/arch/arm/mach-omap2/opp.c
@@ -64,10 +64,10 @@ int __init omap_init_opp_table(struct omap_opp_def *opp_def,
                }
                oh = omap_hwmod_lookup(opp_def->hwmod_name);
                if (!oh || !oh->od) {
-                       pr_warn("%s: no hwmod or odev for %s, [%d] "
+                       pr_debug("%s: no hwmod or odev for %s, [%d] "
                                "cannot add OPPs.\n", __func__,
                                opp_def->hwmod_name, i);
-                       return -EINVAL;
+                       continue;
                }
                dev = &oh->od->pdev->dev;
 

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 238defc6f6df26a185794510f8f031d0848afda8..703bd10992591ce2a05635052c9cb685dd5c9c83 100644 (file)
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -153,8 +153,7 @@ static void omap3_save_secure_ram_context(void)
                pwrdm_set_next_pwrst(mpu_pwrdm, mpu_next_state);
                /* Following is for error tracking, it should not happen */
                if (ret) {
-                       printk(KERN_ERR "save_secure_sram() returns %08x\n",
-                               ret);
+                       pr_err("save_secure_sram() returns %08x\n", ret);
                        while (1)
                                ;
                }
@@ -289,7 +288,7 @@ void omap_sram_idle(void)
                break;
        default:
                /* Invalid state */
-               printk(KERN_ERR "Invalid mpu state in sram_idle\n");
+               pr_err("Invalid mpu state in sram_idle\n");
                return;
        }
 
@@ -439,18 +438,17 @@ restore:
        list_for_each_entry(pwrst, &pwrst_list, node) {
                state = pwrdm_read_prev_pwrst(pwrst->pwrdm);
                if (state > pwrst->next_state) {
-                       printk(KERN_INFO "Powerdomain (%s) didn't enter "
-                              "target state %d\n",
+                       pr_info("Powerdomain (%s) didn't enter "
+                               "target state %d\n",
                               pwrst->pwrdm->name, pwrst->next_state);
                        ret = -1;
                }
                omap_set_pwrdm_state(pwrst->pwrdm, pwrst->saved_state);
        }
        if (ret)
-               printk(KERN_ERR "Could not enter target state in pm_suspend\n");
+               pr_err("Could not enter target state in pm_suspend\n");
        else
-               printk(KERN_INFO "Successfully put all powerdomains "
-                      "to target state\n");
+               pr_info("Successfully put all powerdomains to target state\n");
 
        return ret;
 }
@@ -734,21 +732,22 @@ static int __init omap3_pm_init(void)
 
        if (ret) {
                pr_err("pm: Failed to request pm_io irq\n");
-               goto err1;
+               goto err2;
        }
 
        ret = pwrdm_for_each(pwrdms_setup, NULL);
        if (ret) {
-               printk(KERN_ERR "Failed to setup powerdomains\n");
-               goto err2;
+               pr_err("Failed to setup powerdomains\n");
+               goto err3;
        }
 
        (void) clkdm_for_each(omap_pm_clkdms_setup, NULL);
 
        mpu_pwrdm = pwrdm_lookup("mpu_pwrdm");
        if (mpu_pwrdm == NULL) {
-               printk(KERN_ERR "Failed to get mpu_pwrdm\n");
-               goto err2;
+               pr_err("Failed to get mpu_pwrdm\n");
+               ret = -EINVAL;
+               goto err3;
        }
 
        neon_pwrdm = pwrdm_lookup("neon_pwrdm");
@@ -781,8 +780,8 @@ static int __init omap3_pm_init(void)
                omap3_secure_ram_storage =
                        kmalloc(0x803F, GFP_KERNEL);
                if (!omap3_secure_ram_storage)
-                       printk(KERN_ERR "Memory allocation failed when"
-                                       "allocating for secure sram context\n");
+                       pr_err("Memory allocation failed when "
+                              "allocating for secure sram context\n");
 
                local_irq_disable();
                local_fiq_disable();
@@ -796,14 +795,17 @@ static int __init omap3_pm_init(void)
        }
 
        omap3_save_scratchpad_contents();
-err1:
        return ret;
-err2:
-       free_irq(INT_34XX_PRCM_MPU_IRQ, NULL);
+
+err3:
        list_for_each_entry_safe(pwrst, tmp, &pwrst_list, node) {
                list_del(&pwrst->node);
                kfree(pwrst);
        }
+       free_irq(omap_prcm_event_to_irq("io"), omap3_pm_init);
+err2:
+       free_irq(omap_prcm_event_to_irq("wkup"), NULL);
+err1:
        return ret;
 }
 

diff --git a/arch/arm/mach-omap2/pm44xx.c b/arch/arm/mach-omap2/pm44xx.c
index 9ccaadc2cf071011c39713548bf557ced9b789f7..8856253524292dcfb9ebffca53bcc3f83cf3151d 100644 (file)
--- a/arch/arm/mach-omap2/pm44xx.c
+++ b/arch/arm/mach-omap2/pm44xx.c
@@ -144,7 +144,7 @@ static void omap_default_idle(void)
 static int __init omap4_pm_init(void)
 {
        int ret;
-       struct clockdomain *emif_clkdm, *mpuss_clkdm, *l3_1_clkdm;
+       struct clockdomain *emif_clkdm, *mpuss_clkdm, *l3_1_clkdm, *l4wkup;
        struct clockdomain *ducati_clkdm, *l3_2_clkdm, *l4_per_clkdm;
 
        if (!cpu_is_omap44xx())
@@ -168,14 +168,19 @@ static int __init omap4_pm_init(void)
         * MPUSS -> L4_PER/L3_* and DUCATI -> L3_* doesn't work as
         * expected. The hardware recommendation is to enable static
         * dependencies for these to avoid system lock ups or random crashes.
+        * The L4 wakeup depedency is added to workaround the OCP sync hardware
+        * BUG with 32K synctimer which lead to incorrect timer value read
+        * from the 32K counter. The BUG applies for GPTIMER1 and WDT2 which
+        * are part of L4 wakeup clockdomain.
         */
        mpuss_clkdm = clkdm_lookup("mpuss_clkdm");
        emif_clkdm = clkdm_lookup("l3_emif_clkdm");
        l3_1_clkdm = clkdm_lookup("l3_1_clkdm");
        l3_2_clkdm = clkdm_lookup("l3_2_clkdm");
        l4_per_clkdm = clkdm_lookup("l4_per_clkdm");
+       l4wkup = clkdm_lookup("l4_wkup_clkdm");
        ducati_clkdm = clkdm_lookup("ducati_clkdm");
-       if ((!mpuss_clkdm) || (!emif_clkdm) || (!l3_1_clkdm) ||
+       if ((!mpuss_clkdm) || (!emif_clkdm) || (!l3_1_clkdm) || (!l4wkup) ||
                (!l3_2_clkdm) || (!ducati_clkdm) || (!l4_per_clkdm))
                goto err2;
 
@@ -183,6 +188,7 @@ static int __init omap4_pm_init(void)
        ret |= clkdm_add_wkdep(mpuss_clkdm, l3_1_clkdm);
        ret |= clkdm_add_wkdep(mpuss_clkdm, l3_2_clkdm);
        ret |= clkdm_add_wkdep(mpuss_clkdm, l4_per_clkdm);
+       ret |= clkdm_add_wkdep(mpuss_clkdm, l4wkup);
        ret |= clkdm_add_wkdep(ducati_clkdm, l3_1_clkdm);
        ret |= clkdm_add_wkdep(ducati_clkdm, l3_2_clkdm);
        if (ret) {

diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 873b51d494eace09418ad9da30e35d15642b6ef8..d28f848897d62083e339d493263032249a2760bd 100644 (file)
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -290,7 +290,7 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup)
                goto err;
        }
 
-       for (i = 0; i <= irq_setup->nr_regs; i++) {
+       for (i = 0; i < irq_setup->nr_regs; i++) {
                gc = irq_alloc_generic_chip("PRCM", 1,
                        irq_setup->base_irq + i * 32, prm_base,
                        handle_level_irq);