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, 104 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-pinmux.c b/arch/arm/mach-tegra/board-pinmux.c
new file mode 100644
index 00000000000..adc3efe979b
--- /dev/null
+++ b/arch/arm/mach-tegra/board-pinmux.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2011, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/notifier.h>
+#include <linux/of.h>
+#include <linux/string.h>
+
+#include <mach/gpio-tegra.h>
+#include <mach/pinmux.h>
+
+#include "board-pinmux.h"
+#include "devices.h"
+
+struct tegra_board_pinmux_conf *confs[2];
+
+static void tegra_board_pinmux_setup_gpios(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(confs); i++) {
+		if (!confs[i])
+			continue;
+
+		tegra_gpio_config(confs[i]->gpios, confs[i]->gpio_count);
+	}
+}
+
+static void tegra_board_pinmux_setup_pinmux(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(confs); i++) {
+		if (!confs[i])
+			continue;
+
+		tegra_pinmux_config_table(confs[i]->pgs, confs[i]->pg_count);
+
+		if (confs[i]->drives)
+			tegra_drive_pinmux_config_table(confs[i]->drives,
+							confs[i]->drive_count);
+	}
+}
+
+static int tegra_board_pinmux_bus_notify(struct notifier_block *nb,
+					 unsigned long event, void *vdev)
+{
+	static bool had_gpio;
+	static bool had_pinmux;
+
+	struct device *dev = vdev;
+	const char *devname;
+
+	if (event != BUS_NOTIFY_BOUND_DRIVER)
+		return NOTIFY_DONE;
+
+	devname = dev_name(dev);
+
+	if (!had_gpio && !strcmp(devname, GPIO_DEV)) {
+		tegra_board_pinmux_setup_gpios();
+		had_gpio = true;
+	} else if (!had_pinmux && !strcmp(devname, PINMUX_DEV)) {
+		tegra_board_pinmux_setup_pinmux();
+		had_pinmux = true;
+	}
+
+	if (had_gpio && had_pinmux)
+		return NOTIFY_STOP_MASK;
+	else
+		return NOTIFY_DONE;
+}
+
+static struct notifier_block nb = {
+	.notifier_call = tegra_board_pinmux_bus_notify,
+};
+
+static struct platform_device *devices[] = {
+	&tegra_gpio_device,
+	&tegra_pinmux_device,
+};
+
+void tegra_board_pinmux_init(struct tegra_board_pinmux_conf *conf_a,
+			     struct tegra_board_pinmux_conf *conf_b)
+{
+	confs[0] = conf_a;
+	confs[1] = conf_b;
+
+	bus_register_notifier(&platform_bus_type, &nb);
+
+	if (!of_machine_is_compatible("nvidia,tegra20"))
+		platform_add_devices(devices, ARRAY_SIZE(devices));
+}