Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

16 files changed, 70 insertions, 42 deletions

diff --git a/arch/arm/configs/omap1_defconfig b/arch/arm/configs/omap1_defconfig
index 7b63462b349d..a7e777581378 100644
--- a/arch/arm/configs/omap1_defconfig
+++ b/arch/arm/configs/omap1_defconfig
@@ -48,7 +48,6 @@ CONFIG_MACH_SX1=y
 CONFIG_MACH_NOKIA770=y
 CONFIG_MACH_AMS_DELTA=y
 CONFIG_MACH_OMAP_GENERIC=y
-CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER=y
 CONFIG_OMAP_ARM_216MHZ=y
 CONFIG_OMAP_ARM_195MHZ=y
 CONFIG_OMAP_ARM_192MHZ=y
diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index e0a028161dde..73f287d6429b 100644
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -171,14 +171,6 @@ config MACH_OMAP_GENERIC
 comment "OMAP CPU Speed"
         depends on ARCH_OMAP1
 
-config OMAP_CLOCKS_SET_BY_BOOTLOADER
-        bool "OMAP clocks set by bootloader"
-        depends on ARCH_OMAP1
-        help
-          Enable this option to prevent the kernel from overriding the clock
-          frequencies programmed by bootloader for MPU, DSP, MMUs, TC,
-          internal LCD controller and MPU peripherals.
-
 config OMAP_ARM_216MHZ
         bool "OMAP ARM 216 MHz CPU (1710 only)"
         depends on ARCH_OMAP1 && ARCH_OMAP16XX
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 51bae31cf361..b0f15d234a12 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -302,8 +302,6 @@ static void __init ams_delta_init(void)
         omap_cfg_reg(J19_1610_CAM_D6);
         omap_cfg_reg(J18_1610_CAM_D7);
 
-        iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
-
         omap_board_config = ams_delta_config;
         omap_board_config_size = ARRAY_SIZE(ams_delta_config);
         omap_serial_init();
@@ -373,10 +371,16 @@ static int __init ams_delta_modem_init(void)
 }
 arch_initcall(ams_delta_modem_init);
 
+static void __init ams_delta_map_io(void)
+{
+        omap15xx_map_io();
+        iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
+}
+
 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
         /* Maintainer: Jonathan McDowell <noodles@earth.li> */
         .atag_offset    = 0x100,
-        .map_io         = omap15xx_map_io,
+        .map_io         = ams_delta_map_io,
         .init_early     = omap1_init_early,
         .reserve        = omap_reserve,
         .init_irq       = omap1_init_irq,
diff --git a/arch/arm/mach-omap1/clock.h b/arch/arm/mach-omap1/clock.h
index eaf09efb91ca..16b1423b454a 100644
--- a/arch/arm/mach-omap1/clock.h
+++ b/arch/arm/mach-omap1/clock.h
@@ -17,7 +17,8 @@
 
 #include <plat/clock.h>
 
-extern int __init omap1_clk_init(void);
+int omap1_clk_init(void);
+void omap1_clk_late_init(void);
 extern int omap1_clk_enable(struct clk *clk);
 extern void omap1_clk_disable(struct clk *clk);
 extern long omap1_clk_round_rate(struct clk *clk, unsigned long rate);
diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c
index 92400b9eb69f..1297bb58869c 100644
--- a/arch/arm/mach-omap1/clock_data.c
+++ b/arch/arm/mach-omap1/clock_data.c
@@ -767,6 +767,15 @@ static struct clk_functions omap1_clk_functions = {
         .clk_disable_unused     = omap1_clk_disable_unused,
 };
 
+static void __init omap1_show_rates(void)
+{
+        pr_notice("Clocking rate (xtal/DPLL1/MPU): "
+                        "%ld.%01ld/%ld.%01ld/%ld.%01ld MHz\n",
+                ck_ref.rate / 1000000, (ck_ref.rate / 100000) % 10,
+                ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10,
+                arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10);
+}
+
 int __init omap1_clk_init(void)
 {
         struct omap_clk *c;
@@ -835,9 +844,12 @@ int __init omap1_clk_init(void)
         /* We want to be in syncronous scalable mode */
         omap_writew(0x1000, ARM_SYSST);
 
-#ifdef CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER
-        /* Use values set by bootloader. Determine PLL rate and recalculate
-         * dependent clocks as if kernel had changed PLL or divisors.
+
+        /*
+         * Initially use the values set by bootloader. Determine PLL rate and
+         * recalculate dependent clocks as if kernel had changed PLL or
+         * divisors. See also omap1_clk_late_init() that can reprogram dpll1
+         * after the SRAM is initialized.
          */
         {
                 unsigned pll_ctl_val = omap_readw(DPLL_CTL);
@@ -862,25 +874,10 @@ int __init omap1_clk_init(void)
                         }
                 }
         }
-#else
-        /* Find the highest supported frequency and enable it */
-        if (omap1_select_table_rate(&virtual_ck_mpu, ~0)) {
-                printk(KERN_ERR "System frequencies not set. Check your config.\n");
-                /* Guess sane values (60MHz) */
-                omap_writew(0x2290, DPLL_CTL);
-                omap_writew(cpu_is_omap7xx() ? 0x3005 : 0x1005, ARM_CKCTL);
-                ck_dpll1.rate = 60000000;
-        }
-#endif
         propagate_rate(&ck_dpll1);
         /* Cache rates for clocks connected to ck_ref (not dpll1) */
         propagate_rate(&ck_ref);
-        printk(KERN_INFO "Clocking rate (xtal/DPLL1/MPU): "
-                "%ld.%01ld/%ld.%01ld/%ld.%01ld MHz\n",
-               ck_ref.rate / 1000000, (ck_ref.rate / 100000) % 10,
-               ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10,
-               arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10);
-
+        omap1_show_rates();
         if (machine_is_omap_perseus2() || machine_is_omap_fsample()) {
                 /* Select slicer output as OMAP input clock */
                 omap_writew(omap_readw(OMAP7XX_PCC_UPLD_CTRL) & ~0x1,
@@ -925,3 +922,21 @@ int __init omap1_clk_init(void)
 
         return 0;
 }
+
+#define OMAP1_DPLL1_SANE_VALUE  60000000
+
+void __init omap1_clk_late_init(void)
+{
+        if (ck_dpll1.rate >= OMAP1_DPLL1_SANE_VALUE)
+                return;
+
+        /* Find the highest supported frequency and enable it */
+        if (omap1_select_table_rate(&virtual_ck_mpu, ~0)) {
+                pr_err("System frequencies not set, using default. Check your config.\n");
+                omap_writew(0x2290, DPLL_CTL);
+                omap_writew(cpu_is_omap7xx() ? 0x3005 : 0x1005, ARM_CKCTL);
+                ck_dpll1.rate = OMAP1_DPLL1_SANE_VALUE;
+        }
+        propagate_rate(&ck_dpll1);
+        omap1_show_rates();
+}
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 48ef9888e820..475cb2f50d87 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -30,6 +30,8 @@
 #include <plat/omap7xx.h>
 #include <plat/mcbsp.h>
 
+#include "clock.h"
+
 /*-------------------------------------------------------------------------*/
 
 #if defined(CONFIG_RTC_DRV_OMAP) || defined(CONFIG_RTC_DRV_OMAP_MODULE)
@@ -293,6 +295,7 @@ static int __init omap1_init_devices(void)
                 return -ENODEV;
 
         omap_sram_init();
+        omap1_clk_late_init();
 
         /* please keep these calls, and their implementations above,
          * in alphabetical order so they're easier to sort through.
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 503414718905..e1293aa513d3 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -334,6 +334,7 @@ config MACH_OMAP4_PANDA
 config OMAP3_EMU
         bool "OMAP3 debugging peripherals"
         depends on ARCH_OMAP3
+        select ARM_AMBA
         select OC_ETM
         help
           Say Y here to enable debugging hardware of omap3
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c
index 1fe35c24fba2..942bb4f19f9f 100644
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -24,6 +24,7 @@
 
 #include <linux/sched.h>
 #include <linux/cpuidle.h>
+#include <linux/export.h>
 
 #include <plat/prcm.h>
 #include <plat/irqs.h>
diff --git a/arch/arm/mach-omap2/io.h b/arch/arm/mach-omap2/io.h
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/arch/arm/mach-omap2/io.h
+++ /dev/null
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 6b3088db83b7..207a2ff9a8c4 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -749,7 +749,7 @@ static int _count_mpu_irqs(struct omap_hwmod *oh)
                 ohii = &oh->mpu_irqs[i++];
         } while (ohii->irq != -1);
 
-        return i;
+        return i-1;
 }
 
 /**
@@ -772,7 +772,7 @@ static int _count_sdma_reqs(struct omap_hwmod *oh)
                 ohdi = &oh->sdma_reqs[i++];
         } while (ohdi->dma_req != -1);
 
-        return i;
+        return i-1;
 }
 
 /**
@@ -795,7 +795,7 @@ static int _count_ocp_if_addr_spaces(struct omap_hwmod_ocp_if *os)
                 mem = &os->addr[i++];
         } while (mem->pa_start != mem->pa_end);
 
-        return i;
+        return i-1;
 }
 
 /**
diff --git a/arch/arm/mach-omap2/omap_l3_noc.c b/arch/arm/mach-omap2/omap_l3_noc.c
index 6a66aa5e2a5b..d15225ff5c49 100644
--- a/arch/arm/mach-omap2/omap_l3_noc.c
+++ b/arch/arm/mach-omap2/omap_l3_noc.c
@@ -237,7 +237,7 @@ static int __devexit omap4_l3_remove(struct platform_device *pdev)
 static const struct of_device_id l3_noc_match[] = {
         {.compatible = "ti,omap4-l3-noc", },
         {},
-}
+};
 MODULE_DEVICE_TABLE(of, l3_noc_match);
 #else
 #define l3_noc_match NULL
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index 1e79bdf313e3..00bff46ca48b 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -24,6 +24,7 @@
 #include "powerdomain.h"
 #include "clockdomain.h"
 #include "pm.h"
+#include "twl-common.h"
 
 static struct omap_device_pm_latency *pm_lats;
 
@@ -226,11 +227,8 @@ postcore_initcall(omap2_common_pm_init);
 
 static int __init omap2_common_pm_late_init(void)
 {
-        /* Init the OMAP TWL parameters */
-        omap3_twl_init();
-        omap4_twl_init();
-
         /* Init the voltage layer */
+        omap_pmic_late_init();
         omap_voltage_late_init();
 
         /* Initialize the voltages */
diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 6a4f6839a7d9..cf246b39bac7 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -139,7 +139,7 @@ static irqreturn_t sr_interrupt(int irq, void *data)
                 sr_write_reg(sr_info, ERRCONFIG_V1, status);
         } else if (sr_info->ip_type == SR_TYPE_V2) {
                 /* Read the status bits */
-                sr_read_reg(sr_info, IRQSTATUS);
+                status = sr_read_reg(sr_info, IRQSTATUS);
 
                 /* Clear them by writing back */
                 sr_write_reg(sr_info, IRQSTATUS, status);
diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c
index 522435772168..10b20c652e5d 100644
--- a/arch/arm/mach-omap2/twl-common.c
+++ b/arch/arm/mach-omap2/twl-common.c
@@ -30,6 +30,7 @@
 #include <plat/usb.h>
 
 #include "twl-common.h"
+#include "pm.h"
 
 static struct i2c_board_info __initdata pmic_i2c_board_info = {
         .addr           = 0x48,
@@ -48,6 +49,16 @@ void __init omap_pmic_init(int bus, u32 clkrate,
         omap_register_i2c_bus(bus, clkrate, &pmic_i2c_board_info, 1);
 }
 
+void __init omap_pmic_late_init(void)
+{
+        /* Init the OMAP TWL parameters (if PMIC has been registerd) */
+        if (!pmic_i2c_board_info.irq)
+                return;
+
+        omap3_twl_init();
+        omap4_twl_init();
+}
+
 #if defined(CONFIG_ARCH_OMAP3)
 static struct twl4030_usb_data omap3_usb_pdata = {
         .usb_mode       = T2_USB_MODE_ULPI,
diff --git a/arch/arm/mach-omap2/twl-common.h b/arch/arm/mach-omap2/twl-common.h
index 5e83a5bd37fb..275dde8cb27a 100644
--- a/arch/arm/mach-omap2/twl-common.h
+++ b/arch/arm/mach-omap2/twl-common.h
@@ -1,6 +1,8 @@
 #ifndef __OMAP_PMIC_COMMON__
 #define __OMAP_PMIC_COMMON__
 
+#include <plat/irqs.h>
+
 #define TWL_COMMON_PDATA_USB            (1 << 0)
 #define TWL_COMMON_PDATA_BCI            (1 << 1)
 #define TWL_COMMON_PDATA_MADC           (1 << 2)
@@ -30,6 +32,7 @@ struct twl4030_platform_data;
 
 void omap_pmic_init(int bus, u32 clkrate, const char *pmic_type, int pmic_irq,
                     struct twl4030_platform_data *pmic_data);
+void omap_pmic_late_init(void);
 
 static inline void omap2_pmic_init(const char *pmic_type,
                                    struct twl4030_platform_data *pmic_data)
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 197ca03c3f7d..eb73ab40e955 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -165,8 +165,8 @@ struct dpll_data {
         u8                      auto_recal_bit;
         u8                      recal_en_bit;
         u8                      recal_st_bit;
-        u8                      flags;
 #  endif
+        u8                      flags;
 };
 
 #endif