Merge commit 'v3.3-rc1' into stable/for-linus-fixes-3.3

* commit 'v3.3-rc1': (9775 commits)
  Linux 3.3-rc1
  x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits
  qnx4: don't leak ->BitMap on late failure exits
  qnx4: reduce the insane nesting in qnx4_checkroot()
  qnx4: di_fname is an array, for crying out loud...
  KEYS: Permit key_serial() to be called with a const key pointer
  keys: fix user_defined key sparse messages
  ima: fix cred sparse warning
  uml: fix compile for x86-64
  MPILIB: Add a missing ENOMEM check
  tpm: fix (ACPI S3) suspend regression
  nvme: fix merge error due to change of 'make_request_fn' fn type
  xen: using EXPORT_SYMBOL requires including export.h
  gpio: tps65910: Use correct offset for gpio initialization
  acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec
  intel_idle: Split up and provide per CPU initialization func
  ACPI processor: Remove unneeded variable passed by acpi_processor_hotadd_init V2
  tg3: Fix single-vector MSI-X code
  openvswitch: Fix multipart datapath dumps.
  ipv6: fix per device IP snmp counters
  ...

1 files changed, 176 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c
new file mode 100644
index 00000000000..b4b0e8cd096
--- /dev/null
+++ b/arch/arm/mach-shmobile/clock-r8a7779.c
@@ -0,0 +1,176 @@
+/*
+ * r8a7779 clock framework support
+ *
+ * Copyright (C) 2011  Renesas Solutions Corp.
+ * Copyright (C) 2011  Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/sh_clk.h>
+#include <linux/clkdev.h>
+#include <mach/common.h>
+
+#define FRQMR   0xffc80014
+#define MSTPCR0 0xffc80030
+#define MSTPCR1 0xffc80034
+#define MSTPCR3 0xffc8003c
+#define MSTPSR1 0xffc80044
+#define MSTPSR4 0xffc80048
+#define MSTPSR6 0xffc8004c
+#define MSTPCR4 0xffc80050
+#define MSTPCR5 0xffc80054
+#define MSTPCR6 0xffc80058
+#define MSTPCR7 0xffc80040
+
+/* ioremap() through clock mapping mandatory to avoid
+ * collision with ARM coherent DMA virtual memory range.
+ */
+
+static struct clk_mapping cpg_mapping = {
+	.phys	= 0xffc80000,
+	.len	= 0x80,
+};
+
+/*
+ * Default rate for the root input clock, reset this with clk_set_rate()
+ * from the platform code.
+ */
+static struct clk plla_clk = {
+	.rate		= 1500000000,
+	.mapping	= &cpg_mapping,
+};
+
+static struct clk *main_clks[] = {
+	&plla_clk,
+};
+
+static int divisors[] = { 0, 0, 0, 6, 8, 12, 16, 0, 24, 32, 36, 0, 0, 0, 0, 0 };
+
+static struct clk_div_mult_table div4_div_mult_table = {
+	.divisors = divisors,
+	.nr_divisors = ARRAY_SIZE(divisors),
+};
+
+static struct clk_div4_table div4_table = {
+	.div_mult_table = &div4_div_mult_table,
+};
+
+enum { DIV4_S, DIV4_OUT, DIV4_S4, DIV4_S3, DIV4_S1, DIV4_P, DIV4_NR };
+
+static struct clk div4_clks[DIV4_NR] = {
+	[DIV4_S]	= SH_CLK_DIV4(&plla_clk, FRQMR, 20,
+				      0x0018, CLK_ENABLE_ON_INIT),
+	[DIV4_OUT]	= SH_CLK_DIV4(&plla_clk, FRQMR, 16,
+				      0x0700, CLK_ENABLE_ON_INIT),
+	[DIV4_S4]	= SH_CLK_DIV4(&plla_clk, FRQMR, 12,
+				      0x0040, CLK_ENABLE_ON_INIT),
+	[DIV4_S3]	= SH_CLK_DIV4(&plla_clk, FRQMR, 8,
+				      0x0010, CLK_ENABLE_ON_INIT),
+	[DIV4_S1]	= SH_CLK_DIV4(&plla_clk, FRQMR, 4,
+				      0x0060, CLK_ENABLE_ON_INIT),
+	[DIV4_P]	= SH_CLK_DIV4(&plla_clk, FRQMR, 0,
+				      0x0300, CLK_ENABLE_ON_INIT),
+};
+
+enum { MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021,
+	MSTP016, MSTP015, MSTP014,
+	MSTP_NR };
+
+static struct clk mstp_clks[MSTP_NR] = {
+	[MSTP026] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 26, 0), /* SCIF0 */
+	[MSTP025] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 25, 0), /* SCIF1 */
+	[MSTP024] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 24, 0), /* SCIF2 */
+	[MSTP023] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 23, 0), /* SCIF3 */
+	[MSTP022] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 22, 0), /* SCIF4 */
+	[MSTP021] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 21, 0), /* SCIF5 */
+	[MSTP016] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 16, 0), /* TMU0 */
+	[MSTP015] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 15, 0), /* TMU1 */
+	[MSTP014] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 14, 0), /* TMU2 */
+};
+
+static unsigned long mul4_recalc(struct clk *clk)
+{
+	return clk->parent->rate * 4;
+}
+
+static struct clk_ops mul4_clk_ops = {
+	.recalc		= mul4_recalc,
+};
+
+struct clk clkz_clk = {
+	.ops		= &mul4_clk_ops,
+	.parent		= &div4_clks[DIV4_S],
+};
+
+struct clk clkzs_clk = {
+	/* clks x 4 / 4 = clks */
+	.parent		= &div4_clks[DIV4_S],
+};
+
+static struct clk *late_main_clks[] = {
+	&clkz_clk,
+	&clkzs_clk,
+};
+
+static struct clk_lookup lookups[] = {
+	/* main clocks */
+	CLKDEV_CON_ID("plla_clk", &plla_clk),
+	CLKDEV_CON_ID("clkz_clk", &clkz_clk),
+	CLKDEV_CON_ID("clkzs_clk", &clkzs_clk),
+
+	/* DIV4 clocks */
+	CLKDEV_CON_ID("shyway_clk",	&div4_clks[DIV4_S]),
+	CLKDEV_CON_ID("bus_clk",	&div4_clks[DIV4_OUT]),
+	CLKDEV_CON_ID("shyway4_clk",	&div4_clks[DIV4_S4]),
+	CLKDEV_CON_ID("shyway3_clk",	&div4_clks[DIV4_S3]),
+	CLKDEV_CON_ID("shyway1_clk",	&div4_clks[DIV4_S1]),
+	CLKDEV_CON_ID("peripheral_clk",	&div4_clks[DIV4_P]),
+
+	/* MSTP32 clocks */
+	CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP016]), /* TMU00 */
+	CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP016]), /* TMU01 */
+	CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP026]), /* SCIF0 */
+	CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP025]), /* SCIF1 */
+	CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP024]), /* SCIF2 */
+	CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP023]), /* SCIF3 */
+	CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP022]), /* SCIF4 */
+	CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP021]), /* SCIF6 */
+};
+
+void __init r8a7779_clock_init(void)
+{
+	int k, ret = 0;
+
+	for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++)
+		ret = clk_register(main_clks[k]);
+
+	if (!ret)
+		ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);
+
+	if (!ret)
+		ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+
+	for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
+		ret = clk_register(late_main_clks[k]);
+
+	clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+
+	if (!ret)
+		clk_init();
+	else
+		panic("failed to setup r8a7779 clocks\n");
+}