Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (110 commits)
  sh: i2c-sh7760: Replase from ctrl_* to __raw_*
  sh: clkfwk: Shuffle around to match the intc split up.
  sh: clkfwk: modify for_each_frequency end condition
  sh: fix clk_get() error handling
  sh: clkfwk: Fix fault in frequency iterator.
  sh: clkfwk: Add a helper for rate rounding by divisor ranges.
  sh: clkfwk: Abstract rate rounding helper.
  sh: clkfwk: support clock remapping.
  sh: pci: Convert to upper/lower_32_bits() helpers.
  sh: mach-sdk7786: Add support for the FPGA SRAM.
  sh: Provide a generic SRAM pool for tiny memories.
  sh: pci: Support secondary FPGA-driven PCIe clocks on SDK7786.
  sh: pci: Support slot 4 routing on SDK7786.
  sh: Fix up PMB locking.
  sh: mach-sdk7786: Add support for fpga gpios.
  sh: use pr_fmt for clock framework, too.
  sh: remove name and id from struct clk
  sh: free-without-alloc fix for sh_mobile_lcdcfb
  sh: perf: Set up perf_max_events.
  sh: perf: Support SH-X3 hardware counters.
  ...

Fix up trivial conflicts (perf_max_events got removed) in arch/sh/kernel/perf_event.c

1 files changed, 237 insertions, 0 deletions

diff --git a/drivers/sh/intc/access.c b/drivers/sh/intc/access.c
new file mode 100644
index 000000000000..f892ae1d212a
--- /dev/null
+++ b/drivers/sh/intc/access.c
@@ -0,0 +1,237 @@
+/*
+ * Common INTC2 register accessors
+ *
+ * Copyright (C) 2007, 2008 Magnus Damm
+ * Copyright (C) 2009, 2010 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/io.h>
+#include "internals.h"
+
+unsigned long intc_phys_to_virt(struct intc_desc_int *d, unsigned long address)
+{
+	struct intc_window *window;
+	int k;
+
+	/* scan through physical windows and convert address */
+	for (k = 0; k < d->nr_windows; k++) {
+		window = d->window + k;
+
+		if (address < window->phys)
+			continue;
+
+		if (address >= (window->phys + window->size))
+			continue;
+
+		address -= window->phys;
+		address += (unsigned long)window->virt;
+
+		return address;
+	}
+
+	/* no windows defined, register must be 1:1 mapped virt:phys */
+	return address;
+}
+
+unsigned int intc_get_reg(struct intc_desc_int *d, unsigned long address)
+{
+	unsigned int k;
+
+	address = intc_phys_to_virt(d, address);
+
+	for (k = 0; k < d->nr_reg; k++) {
+		if (d->reg[k] == address)
+			return k;
+	}
+
+	BUG();
+	return 0;
+}
+
+unsigned int intc_set_field_from_handle(unsigned int value,
+					unsigned int field_value,
+					unsigned int handle)
+{
+	unsigned int width = _INTC_WIDTH(handle);
+	unsigned int shift = _INTC_SHIFT(handle);
+
+	value &= ~(((1 << width) - 1) << shift);
+	value |= field_value << shift;
+	return value;
+}
+
+unsigned long intc_get_field_from_handle(unsigned int value, unsigned int handle)
+{
+	unsigned int width = _INTC_WIDTH(handle);
+	unsigned int shift = _INTC_SHIFT(handle);
+	unsigned int mask = ((1 << width) - 1) << shift;
+
+	return (value & mask) >> shift;
+}
+
+static unsigned long test_8(unsigned long addr, unsigned long h,
+			    unsigned long ignore)
+{
+	return intc_get_field_from_handle(__raw_readb(addr), h);
+}
+
+static unsigned long test_16(unsigned long addr, unsigned long h,
+			     unsigned long ignore)
+{
+	return intc_get_field_from_handle(__raw_readw(addr), h);
+}
+
+static unsigned long test_32(unsigned long addr, unsigned long h,
+			     unsigned long ignore)
+{
+	return intc_get_field_from_handle(__raw_readl(addr), h);
+}
+
+static unsigned long write_8(unsigned long addr, unsigned long h,
+			     unsigned long data)
+{
+	__raw_writeb(intc_set_field_from_handle(0, data, h), addr);
+	(void)__raw_readb(addr);	/* Defeat write posting */
+	return 0;
+}
+
+static unsigned long write_16(unsigned long addr, unsigned long h,
+			      unsigned long data)
+{
+	__raw_writew(intc_set_field_from_handle(0, data, h), addr);
+	(void)__raw_readw(addr);	/* Defeat write posting */
+	return 0;
+}
+
+static unsigned long write_32(unsigned long addr, unsigned long h,
+			      unsigned long data)
+{
+	__raw_writel(intc_set_field_from_handle(0, data, h), addr);
+	(void)__raw_readl(addr);	/* Defeat write posting */
+	return 0;
+}
+
+static unsigned long modify_8(unsigned long addr, unsigned long h,
+			      unsigned long data)
+{
+	unsigned long flags;
+	unsigned int value;
+	local_irq_save(flags);
+	value = intc_set_field_from_handle(__raw_readb(addr), data, h);
+	__raw_writeb(value, addr);
+	(void)__raw_readb(addr);	/* Defeat write posting */
+	local_irq_restore(flags);
+	return 0;
+}
+
+static unsigned long modify_16(unsigned long addr, unsigned long h,
+			       unsigned long data)
+{
+	unsigned long flags;
+	unsigned int value;
+	local_irq_save(flags);
+	value = intc_set_field_from_handle(__raw_readw(addr), data, h);
+	__raw_writew(value, addr);
+	(void)__raw_readw(addr);	/* Defeat write posting */
+	local_irq_restore(flags);
+	return 0;
+}
+
+static unsigned long modify_32(unsigned long addr, unsigned long h,
+			       unsigned long data)
+{
+	unsigned long flags;
+	unsigned int value;
+	local_irq_save(flags);
+	value = intc_set_field_from_handle(__raw_readl(addr), data, h);
+	__raw_writel(value, addr);
+	(void)__raw_readl(addr);	/* Defeat write posting */
+	local_irq_restore(flags);
+	return 0;
+}
+
+static unsigned long intc_mode_field(unsigned long addr,
+				     unsigned long handle,
+				     unsigned long (*fn)(unsigned long,
+						unsigned long,
+						unsigned long),
+				     unsigned int irq)
+{
+	return fn(addr, handle, ((1 << _INTC_WIDTH(handle)) - 1));
+}
+
+static unsigned long intc_mode_zero(unsigned long addr,
+				    unsigned long handle,
+				    unsigned long (*fn)(unsigned long,
+					       unsigned long,
+					       unsigned long),
+				    unsigned int irq)
+{
+	return fn(addr, handle, 0);
+}
+
+static unsigned long intc_mode_prio(unsigned long addr,
+				    unsigned long handle,
+				    unsigned long (*fn)(unsigned long,
+					       unsigned long,
+					       unsigned long),
+				    unsigned int irq)
+{
+	return fn(addr, handle, intc_get_prio_level(irq));
+}
+
+unsigned long (*intc_reg_fns[])(unsigned long addr,
+				unsigned long h,
+				unsigned long data) = {
+	[REG_FN_TEST_BASE + 0] = test_8,
+	[REG_FN_TEST_BASE + 1] = test_16,
+	[REG_FN_TEST_BASE + 3] = test_32,
+	[REG_FN_WRITE_BASE + 0] = write_8,
+	[REG_FN_WRITE_BASE + 1] = write_16,
+	[REG_FN_WRITE_BASE + 3] = write_32,
+	[REG_FN_MODIFY_BASE + 0] = modify_8,
+	[REG_FN_MODIFY_BASE + 1] = modify_16,
+	[REG_FN_MODIFY_BASE + 3] = modify_32,
+};
+
+unsigned long (*intc_enable_fns[])(unsigned long addr,
+				   unsigned long handle,
+				   unsigned long (*fn)(unsigned long,
+					    unsigned long,
+					    unsigned long),
+				   unsigned int irq) = {
+	[MODE_ENABLE_REG] = intc_mode_field,
+	[MODE_MASK_REG] = intc_mode_zero,
+	[MODE_DUAL_REG] = intc_mode_field,
+	[MODE_PRIO_REG] = intc_mode_prio,
+	[MODE_PCLR_REG] = intc_mode_prio,
+};
+
+unsigned long (*intc_disable_fns[])(unsigned long addr,
+				    unsigned long handle,
+				    unsigned long (*fn)(unsigned long,
+					     unsigned long,
+					     unsigned long),
+				    unsigned int irq) = {
+	[MODE_ENABLE_REG] = intc_mode_zero,
+	[MODE_MASK_REG] = intc_mode_field,
+	[MODE_DUAL_REG] = intc_mode_field,
+	[MODE_PRIO_REG] = intc_mode_zero,
+	[MODE_PCLR_REG] = intc_mode_field,
+};
+
+unsigned long (*intc_enable_noprio_fns[])(unsigned long addr,
+					  unsigned long handle,
+					  unsigned long (*fn)(unsigned long,
+						unsigned long,
+						unsigned long),
+					  unsigned int irq) = {
+	[MODE_ENABLE_REG] = intc_mode_field,
+	[MODE_MASK_REG] = intc_mode_zero,
+	[MODE_DUAL_REG] = intc_mode_field,
+	[MODE_PRIO_REG] = intc_mode_field,
+	[MODE_PCLR_REG] = intc_mode_field,
+};