Merge branch 'sh-latest' of git://git.kernel.org/pub/scm/linux/kernel…

…/git/lethal/sh-2.6

* 'sh-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (23 commits)
  sh: Ignore R_SH_NONE module relocations.
  SH: SE7751: Fix pcibios_map_platform_irq prototype.
  sh: remove warning and warning_symbol from struct stacktrace_ops
  sh: wire up sys_sendmmsg.
  clocksource: sh_tmu: Runtime PM support
  clocksource: sh_tmu: __clocksource_updatefreq_hz() update
  clocksource: sh_cmt: Runtime PM support
  clocksource: sh_cmt: __clocksource_updatefreq_hz() update
  dmaengine: shdma: synchronize RCU before freeing, simplify spinlock
  dmaengine: shdma: add runtime- and system-level power management
  dmaengine: shdma: fix locking
  sh: sh-sci: sh7377 and sh73a0 build fixes
  sh: cosmetic improvement: use an existing pointer
  serial: sh-sci: suspend/resume wakeup support V2
  serial: sh-sci: Runtime PM support
  sh: select IRQ_FORCED_THREADING.
  sh: intc: Set virtual IRQs as nothread.
  sh: fixup fpu.o compile order
  i2c: add a module alias to the sh-mobile driver
  ALSA: add a module alias to the FSI driver
  ...

arch/sh/Kconfig

@@ -21,6 +21,7 @@ config SUPERH
 	select HAVE_REGS_AND_STACK_ACCESS_API
 	select HAVE_GENERIC_HARDIRQS
 	select HAVE_SPARSE_IRQ
+	select IRQ_FORCED_THREADING
 	select RTC_LIB
 	select GENERIC_ATOMIC64
 	select GENERIC_IRQ_SHOW

arch/sh/boards/mach-ecovec24/setup.c

@@ -482,7 +482,7 @@ static struct i2c_board_info ts_i2c_clients = {
 	.irq		= IRQ0,
 };
 
-#if defined(CONFIG_MMC_TMIO) || defined(CONFIG_MMC_TMIO_MODULE)
+#if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
 /* SDHI0 */
 static void sdhi0_set_pwr(struct platform_device *pdev, int state)
 {
@@ -522,7 +522,7 @@ static struct platform_device sdhi0_device = {
 	},
 };
 
-#if !defined(CONFIG_MMC_SH_MMCIF)
+#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
 /* SDHI1 */
 static void sdhi1_set_pwr(struct platform_device *pdev, int state)
 {
@@ -836,7 +836,7 @@ static struct platform_device vou_device = {
 	},
 };
 
-#if defined(CONFIG_MMC_SH_MMCIF)
+#if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE)
 /* SH_MMCIF */
 static void mmcif_set_pwr(struct platform_device *pdev, int state)
 {
@@ -898,9 +898,9 @@ static struct platform_device *ecovec_devices[] __initdata = {
 	&ceu0_device,
 	&ceu1_device,
 	&keysc_device,
-#if defined(CONFIG_MMC_TMIO) || defined(CONFIG_MMC_TMIO_MODULE)
+#if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
 	&sdhi0_device,
-#if !defined(CONFIG_MMC_SH_MMCIF)
+#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
 	&sdhi1_device,
 #endif
 #else
@@ -912,7 +912,7 @@ static struct platform_device *ecovec_devices[] __initdata = {
 	&fsi_device,
 	&irda_device,
 	&vou_device,
-#if defined(CONFIG_MMC_SH_MMCIF)
+#if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE)
 	&sh_mmcif_device,
 #endif
 };
@@ -1180,7 +1180,7 @@ static int __init arch_setup(void)
 	gpio_direction_input(GPIO_PTR5);
 	gpio_direction_input(GPIO_PTR6);
 
-#if defined(CONFIG_MMC_TMIO) || defined(CONFIG_MMC_TMIO_MODULE)
+#if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
 	/* enable SDHI0 on CN11 (needs DS2.4 set to ON) */
 	gpio_request(GPIO_FN_SDHI0CD,  NULL);
 	gpio_request(GPIO_FN_SDHI0WP,  NULL);
@@ -1193,7 +1193,7 @@ static int __init arch_setup(void)
 	gpio_request(GPIO_PTB6, NULL);
 	gpio_direction_output(GPIO_PTB6, 0);
 
-#if !defined(CONFIG_MMC_SH_MMCIF)
+#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
 	/* enable SDHI1 on CN12 (needs DS2.6,7 set to ON,OFF) */
 	gpio_request(GPIO_FN_SDHI1CD,  NULL);
 	gpio_request(GPIO_FN_SDHI1WP,  NULL);
@@ -1284,7 +1284,7 @@ static int __init arch_setup(void)
 	gpio_request(GPIO_PTU5, NULL);
 	gpio_direction_output(GPIO_PTU5, 0);
 
-#if defined(CONFIG_MMC_SH_MMCIF)
+#if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE)
 	/* enable MMCIF (needs DS2.6,7 set to OFF,ON) */
 	gpio_request(GPIO_FN_MMC_D7, NULL);
 	gpio_request(GPIO_FN_MMC_D6, NULL);

arch/sh/configs/ecovec24_defconfig

@@ -115,7 +115,7 @@ CONFIG_USB_GADGET=y
 CONFIG_USB_FILE_STORAGE=m
 CONFIG_MMC=y
 CONFIG_MMC_SPI=y
-CONFIG_MMC_TMIO=y
+CONFIG_MMC_SDHI=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_RS5C372=y
 CONFIG_UIO=y

arch/sh/configs/sh7757lcr_defconfig

@@ -70,7 +70,7 @@ CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_STORAGE=y
 CONFIG_MMC=y
-CONFIG_MMC_TMIO=y
+CONFIG_MMC_SDHI=y
 CONFIG_MMC_SH_MMCIF=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT3_FS=y

arch/sh/drivers/pci/fixups-se7751.c

@@ -6,7 +6,7 @@
 #include <linux/io.h>
 #include "pci-sh4.h"
 
-int __init pcibios_map_platform_irq(u8 slot, u8 pin)
+int __init pcibios_map_platform_irq(struct pci_dev *, u8 slot, u8 pin)
 {
         switch (slot) {
         case 0: return 13;

arch/sh/include/asm/stacktrace.h

@@ -10,9 +10,6 @@
 /* Generic stack tracer with callbacks */
 
 struct stacktrace_ops {
-	void (*warning)(void *data, char *msg);
-	/* msg must contain %s for the symbol */
-	void (*warning_symbol)(void *data, char *msg, unsigned long symbol);
 	void (*address)(void *data, unsigned long address, int reliable);
 	/* On negative return stop dumping */
 	int (*stack)(void *data, char *name);

arch/sh/include/asm/unistd_32.h

@@ -373,8 +373,9 @@
 #define __NR_open_by_handle_at	360
 #define __NR_clock_adjtime	361
 #define __NR_syncfs		362
+#define __NR_sendmmsg		363
 
-#define NR_syscalls 363
+#define NR_syscalls 364
 
 #ifdef __KERNEL__
 

arch/sh/include/asm/unistd_64.h

@@ -394,10 +394,11 @@
 #define __NR_open_by_handle_at	371
 #define __NR_clock_adjtime	372
 #define __NR_syncfs		373
+#define __NR_sendmmsg		374
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 374
+#define NR_syscalls 375
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR

arch/sh/kernel/cpu/Makefile

@@ -17,7 +17,5 @@ obj-$(CONFIG_ARCH_SHMOBILE)	+= shmobile/
 
 obj-$(CONFIG_SH_ADC)		+= adc.o
 obj-$(CONFIG_SH_CLK_CPG_LEGACY)	+= clock-cpg.o
-obj-$(CONFIG_SH_FPU)		+= fpu.o
-obj-$(CONFIG_SH_FPU_EMU)	+= fpu.o
 
-obj-y	+= irq/ init.o clock.o hwblk.o proc.o
+obj-y	+= irq/ init.o clock.o fpu.o hwblk.o proc.o

arch/sh/kernel/cpu/shmobile/pm_runtime.c

@@ -157,7 +157,7 @@ static int default_platform_runtime_suspend(struct device *dev)
 	might_sleep();
 
 	/* catch misconfigured drivers not starting with resume */
-	if (test_bit(PDEV_ARCHDATA_FLAG_INIT, &pdev->archdata.flags)) {
+	if (test_bit(PDEV_ARCHDATA_FLAG_INIT, &ad->flags)) {
 		ret = -EINVAL;
 		goto out;
 	}
@@ -170,8 +170,8 @@ static int default_platform_runtime_suspend(struct device *dev)
 
 	/* put device on idle list */
 	spin_lock_irqsave(&hwblk_lock, flags);
-	list_add_tail(&pdev->archdata.entry, &hwblk_idle_list);
-	__set_bit(PDEV_ARCHDATA_FLAG_IDLE, &pdev->archdata.flags);
+	list_add_tail(&ad->entry, &hwblk_idle_list);
+	__set_bit(PDEV_ARCHDATA_FLAG_IDLE, &ad->flags);
 	spin_unlock_irqrestore(&hwblk_lock, flags);
 
 	/* increase idle count */

arch/sh/kernel/dumpstack.c

@@ -69,19 +69,6 @@ stack_reader_dump(struct task_struct *task, struct pt_regs *regs,
 	}
 }
 
-static void
-print_trace_warning_symbol(void *data, char *msg, unsigned long symbol)
-{
-	printk(data);
-	print_symbol(msg, symbol);
-	printk("\n");
-}
-
-static void print_trace_warning(void *data, char *msg)
-{
-	printk("%s%s\n", (char *)data, msg);
-}
-
 static int print_trace_stack(void *data, char *name)
 {
 	printk("%s <%s> ", (char *)data, name);
@@ -98,8 +85,6 @@ static void print_trace_address(void *data, unsigned long addr, int reliable)
 }
 
 static const struct stacktrace_ops print_trace_ops = {
-	.warning = print_trace_warning,
-	.warning_symbol = print_trace_warning_symbol,
 	.stack = print_trace_stack,
 	.address = print_trace_address,
 };

arch/sh/kernel/module.c

@@ -93,6 +93,8 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
 #endif
 
 		switch (ELF32_R_TYPE(rel[i].r_info)) {
+		case R_SH_NONE:
+			break;
 		case R_SH_DIR32:
 			value = get_unaligned(location);
 			value += relocation;

arch/sh/kernel/perf_callchain.c

@@ -14,16 +14,6 @@
 #include <asm/unwinder.h>
 #include <asm/ptrace.h>
 
-
-static void callchain_warning(void *data, char *msg)
-{
-}
-
-static void
-callchain_warning_symbol(void *data, char *msg, unsigned long symbol)
-{
-}
-
 static int callchain_stack(void *data, char *name)
 {
 	return 0;
@@ -38,8 +28,6 @@ static void callchain_address(void *data, unsigned long addr, int reliable)
 }
 
 static const struct stacktrace_ops callchain_ops = {
-	.warning	= callchain_warning,
-	.warning_symbol	= callchain_warning_symbol,
 	.stack		= callchain_stack,
 	.address	= callchain_address,
 };

arch/sh/kernel/stacktrace.c

@@ -17,15 +17,6 @@
 #include <asm/ptrace.h>
 #include <asm/stacktrace.h>
 
-static void save_stack_warning(void *data, char *msg)
-{
-}
-
-static void
-save_stack_warning_symbol(void *data, char *msg, unsigned long symbol)
-{
-}
-
 static int save_stack_stack(void *data, char *name)
 {
 	return 0;
@@ -51,8 +42,6 @@ static void save_stack_address(void *data, unsigned long addr, int reliable)
 }
 
 static const struct stacktrace_ops save_stack_ops = {
-	.warning = save_stack_warning,
-	.warning_symbol = save_stack_warning_symbol,
 	.stack = save_stack_stack,
 	.address = save_stack_address,
 };
@@ -88,8 +77,6 @@ save_stack_address_nosched(void *data, unsigned long addr, int reliable)
 }
 
 static const struct stacktrace_ops save_stack_ops_nosched = {
-	.warning = save_stack_warning,
-	.warning_symbol = save_stack_warning_symbol,
 	.stack = save_stack_stack,
 	.address = save_stack_address_nosched,
 };

arch/sh/kernel/syscalls_32.S

@@ -380,3 +380,4 @@ ENTRY(sys_call_table)
 	.long sys_open_by_handle_at	/* 360 */
 	.long sys_clock_adjtime
 	.long sys_syncfs
+	.long sys_sendmmsg

arch/sh/kernel/syscalls_64.S

@@ -400,3 +400,4 @@ sys_call_table:
 	.long sys_open_by_handle_at
 	.long sys_clock_adjtime
 	.long sys_syncfs
+	.long sys_sendmmsg

arch/sh/oprofile/backtrace.c

@@ -23,17 +23,6 @@
 #include <asm/sections.h>
 #include <asm/stacktrace.h>
 
-static void backtrace_warning_symbol(void *data, char *msg,
-				     unsigned long symbol)
-{
-	/* Ignore warnings */
-}
-
-static void backtrace_warning(void *data, char *msg)
-{
-	/* Ignore warnings */
-}
-
 static int backtrace_stack(void *data, char *name)
 {
 	/* Yes, we want all stacks */
@@ -49,8 +38,6 @@ static void backtrace_address(void *data, unsigned long addr, int reliable)
 }
 
 static struct stacktrace_ops backtrace_ops = {
-	.warning = backtrace_warning,
-	.warning_symbol = backtrace_warning_symbol,
 	.stack = backtrace_stack,
 	.address = backtrace_address,
 };

drivers/clocksource/sh_cmt.c

@@ -24,6 +24,7 @@
 #include <linux/ioport.h>
 #include <linux/io.h>
 #include <linux/clk.h>
+#include <linux/pm_runtime.h>
 #include <linux/irq.h>
 #include <linux/err.h>
 #include <linux/clocksource.h>
@@ -152,10 +153,12 @@ static int sh_cmt_enable(struct sh_cmt_priv *p, unsigned long *rate)
 {
 	int ret;
 
-	/* enable clock */
+	/* wake up device and enable clock */
+	pm_runtime_get_sync(&p->pdev->dev);
 	ret = clk_enable(p->clk);
 	if (ret) {
 		dev_err(&p->pdev->dev, "cannot enable clock\n");
+		pm_runtime_put_sync(&p->pdev->dev);
 		return ret;
 	}
 
@@ -187,8 +190,9 @@ static void sh_cmt_disable(struct sh_cmt_priv *p)
 	/* disable interrupts in CMT block */
 	sh_cmt_write(p, CMCSR, 0);
 
-	/* stop clock */
+	/* stop clock and mark device as idle */
 	clk_disable(p->clk);
+	pm_runtime_put_sync(&p->pdev->dev);
 }
 
 /* private flags */
@@ -416,11 +420,15 @@ static cycle_t sh_cmt_clocksource_read(struct clocksource *cs)
 
 static int sh_cmt_clocksource_enable(struct clocksource *cs)
 {
+	int ret;
 	struct sh_cmt_priv *p = cs_to_sh_cmt(cs);
 
 	p->total_cycles = 0;
 
-	return sh_cmt_start(p, FLAG_CLOCKSOURCE);
+	ret = sh_cmt_start(p, FLAG_CLOCKSOURCE);
+	if (!ret)
+		__clocksource_updatefreq_hz(cs, p->rate);
+	return ret;
 }
 
 static void sh_cmt_clocksource_disable(struct clocksource *cs)
@@ -448,19 +456,10 @@ static int sh_cmt_register_clocksource(struct sh_cmt_priv *p,
 	cs->mask = CLOCKSOURCE_MASK(sizeof(unsigned long) * 8);
 	cs->flags = CLOCK_SOURCE_IS_CONTINUOUS;
 
-	/* clk_get_rate() needs an enabled clock */
-	clk_enable(p->clk);
-	p->rate = clk_get_rate(p->clk) / ((p->width == 16) ? 512 : 8);
-	clk_disable(p->clk);
-
-	/* TODO: calculate good shift from rate and counter bit width */
-	cs->shift = 0;
-	cs->mult = clocksource_hz2mult(p->rate, cs->shift);
-
 	dev_info(&p->pdev->dev, "used as clock source\n");
 
-	clocksource_register(cs);
-
+	/* Register with dummy 1 Hz value, gets updated in ->enable() */
+	clocksource_register_hz(cs, 1);
 	return 0;
 }
 
@@ -665,6 +664,7 @@ static int __devinit sh_cmt_probe(struct platform_device *pdev)
 
 	if (p) {
 		dev_info(&pdev->dev, "kept as earlytimer\n");
+		pm_runtime_enable(&pdev->dev);
 		return 0;
 	}
 
@@ -679,6 +679,9 @@ static int __devinit sh_cmt_probe(struct platform_device *pdev)
 		kfree(p);
 		platform_set_drvdata(pdev, NULL);
 	}
+
+	if (!is_early_platform_device(pdev))
+		pm_runtime_enable(&pdev->dev);
 	return ret;
 }