Merge tag 'v3.5'

Linux 3.5

* tag 'v3.5': (1242 commits)
  Linux 3.5
  Remove SYSTEM_SUSPEND_DISK system state
  kdb: Switch to nolock variants of kmsg_dump functions
  printk: Implement some unlocked kmsg_dump functions
  printk: Remove kdb_syslog_data
  kdb: Revive dmesg command
  dm raid1: set discard_zeroes_data_unsupported
  dm thin: do not send discards to shared blocks
  dm raid1: fix crash with mirror recovery and discard
  pnfs-obj: Fix __r4w_get_page when offset is beyond i_size
  pnfs-obj: don't leak objio_state if ore_write/read fails
  ore: Unlock r4w pages in exact reverse order of locking
  ore: Remove support of partial IO request (NFS crash)
  ore: Fix NFS crash by supporting any unaligned RAID IO
  UBIFS: fix a bug in empty space fix-up
  cx25821: Remove bad strcpy to read-only char*
  HID: hid-multitouch: add support for Zytronic panels
  MIPS: PCI: Move fixups from __init to __devinit.
  MIPS: Fix bug.h MIPS build regression
  MIPS: sync-r4k: remove redundant irq operation
  ...

15 files changed, 67 insertions, 37 deletions

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index c3b331b74fa0..0cc053af70bd 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -61,7 +61,7 @@ static LIST_HEAD(pinctrl_maps);
         list_for_each_entry(_maps_node_, &pinctrl_maps, node) \
                 for (_i_ = 0, _map_ = &_maps_node_->maps[_i_]; \
                         _i_ < _maps_node_->num_maps; \
-                        i++, _map_ = &_maps_node_->maps[_i_])
+                        _i_++, _map_ = &_maps_node_->maps[_i_])
 
 /**
  * pinctrl_provide_dummies() - indicate if pinctrl provides dummy state support
diff --git a/drivers/pinctrl/pinctrl-imx.c b/drivers/pinctrl/pinctrl-imx.c
index f6e7c670906c..90c837f469a6 100644
--- a/drivers/pinctrl/pinctrl-imx.c
+++ b/drivers/pinctrl/pinctrl-imx.c
@@ -27,16 +27,16 @@
 #include "core.h"
 #include "pinctrl-imx.h"
 
-#define IMX_PMX_DUMP(info, p, m, c, n)          \
-{                                               \
-        int i, j;                               \
-        printk("Format: Pin Mux Config\n");     \
-        for (i = 0; i < n; i++) {               \
-                j = p[i];                       \
-                printk("%s %d 0x%lx\n",         \
-                        info->pins[j].name,     \
-                        m[i], c[i]);            \
-        }                                       \
+#define IMX_PMX_DUMP(info, p, m, c, n)                  \
+{                                                       \
+        int i, j;                                       \
+        printk(KERN_DEBUG "Format: Pin Mux Config\n");  \
+        for (i = 0; i < n; i++) {                       \
+                j = p[i];                               \
+                printk(KERN_DEBUG "%s %d 0x%lx\n",      \
+                        info->pins[j].name,             \
+                        m[i], c[i]);                    \
+        }                                               \
 }
 
 /* The bits in CONFIG cell defined in binding doc*/
@@ -173,8 +173,10 @@ static int imx_dt_node_to_map(struct pinctrl_dev *pctldev,
 
         /* create mux map */
         parent = of_get_parent(np);
-        if (!parent)
+        if (!parent) {
+                kfree(new_map);
                 return -EINVAL;
+        }
         new_map[0].type = PIN_MAP_TYPE_MUX_GROUP;
         new_map[0].data.mux.function = parent->name;
         new_map[0].data.mux.group = np->name;
@@ -193,7 +195,7 @@ static int imx_dt_node_to_map(struct pinctrl_dev *pctldev,
         }
 
         dev_dbg(pctldev->dev, "maps: function %s group %s num %d\n",
-                new_map->data.mux.function, new_map->data.mux.group, map_num);
+                (*map)->data.mux.function, (*map)->data.mux.group, map_num);
 
         return 0;
 }
@@ -201,10 +203,7 @@ static int imx_dt_node_to_map(struct pinctrl_dev *pctldev,
 static void imx_dt_free_map(struct pinctrl_dev *pctldev,
                                 struct pinctrl_map *map, unsigned num_maps)
 {
-        int i;
-
-        for (i = 0; i < num_maps; i++)
-                kfree(map);
+        kfree(map);
 }
 
 static struct pinctrl_ops imx_pctrl_ops = {
@@ -478,6 +477,7 @@ static int __devinit imx_pinctrl_parse_groups(struct device_node *np,
 #ifdef DEBUG
         IMX_PMX_DUMP(info, grp->pins, grp->mux_mode, grp->configs, grp->npins);
 #endif
+
         return 0;
 }
 
diff --git a/drivers/pinctrl/pinctrl-imx6q.c b/drivers/pinctrl/pinctrl-imx6q.c
index 7737d4d71a3c..e9bf71fbedca 100644
--- a/drivers/pinctrl/pinctrl-imx6q.c
+++ b/drivers/pinctrl/pinctrl-imx6q.c
@@ -1950,6 +1950,8 @@ static struct imx_pin_reg imx6q_pin_regs[] = {
         IMX_PIN_REG(MX6Q_PAD_SD2_DAT3, 0x0744, 0x035C, 5, 0x0000, 0), /* MX6Q_PAD_SD2_DAT3__GPIO_1_12 */
         IMX_PIN_REG(MX6Q_PAD_SD2_DAT3, 0x0744, 0x035C, 6, 0x0000, 0), /* MX6Q_PAD_SD2_DAT3__SJC_DONE */
         IMX_PIN_REG(MX6Q_PAD_SD2_DAT3, 0x0744, 0x035C, 7, 0x0000, 0), /* MX6Q_PAD_SD2_DAT3__ANATOP_TESTO_3 */
+        IMX_PIN_REG(MX6Q_PAD_ENET_RX_ER, 0x04EC, 0x01D8, 0, 0x0000, 0), /* MX6Q_PAD_ENET_RX_ER__ANATOP_USBOTG_ID */
+        IMX_PIN_REG(MX6Q_PAD_GPIO_1, 0x05F4, 0x0224, 3, 0x0000, 0), /* MX6Q_PAD_GPIO_1__ANATOP_USBOTG_ID */
 };
 
 /* Pad names for the pinmux subsystem */
diff --git a/drivers/pinctrl/pinctrl-mxs.c b/drivers/pinctrl/pinctrl-mxs.c
index 556e45a213eb..4ba4636b6a4a 100644
--- a/drivers/pinctrl/pinctrl-mxs.c
+++ b/drivers/pinctrl/pinctrl-mxs.c
@@ -107,8 +107,10 @@ static int mxs_dt_node_to_map(struct pinctrl_dev *pctldev,
 
                 /* Compose group name */
                 group = kzalloc(length, GFP_KERNEL);
-                if (!group)
-                        return -ENOMEM;
+                if (!group) {
+                        ret = -ENOMEM;
+                        goto free;
+                }
                 snprintf(group, length, "%s.%d", np->name, reg);
                 new_map[i].data.mux.group = group;
                 i++;
@@ -118,7 +120,7 @@ static int mxs_dt_node_to_map(struct pinctrl_dev *pctldev,
                 pconfig = kmemdup(&config, sizeof(config), GFP_KERNEL);
                 if (!pconfig) {
                         ret = -ENOMEM;
-                        goto free;
+                        goto free_group;
                 }
 
                 new_map[i].type = PIN_MAP_TYPE_CONFIGS_GROUP;
@@ -133,6 +135,9 @@ static int mxs_dt_node_to_map(struct pinctrl_dev *pctldev,
 
         return 0;
 
+free_group:
+        if (!purecfg)
+                kfree(group);
 free:
         kfree(new_map);
         return ret;
@@ -511,6 +516,7 @@ int __devinit mxs_pinctrl_probe(struct platform_device *pdev,
         return 0;
 
 err:
+        platform_set_drvdata(pdev, NULL);
         iounmap(d->base);
         return ret;
 }
@@ -520,6 +526,7 @@ int __devexit mxs_pinctrl_remove(struct platform_device *pdev)
 {
         struct mxs_pinctrl_data *d = platform_get_drvdata(pdev);
 
+        platform_set_drvdata(pdev, NULL);
         pinctrl_unregister(d->pctl);
         iounmap(d->base);
 
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index b26395d16347..3e7e47d6b385 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -673,7 +673,7 @@ static void __nmk_gpio_set_wake(struct nmk_gpio_chip *nmk_chip,
          * wakeup is anyhow controlled by the RIMSC and FIMSC registers.
          */
         if (nmk_chip->sleepmode && on) {
-                __nmk_gpio_set_slpm(nmk_chip, gpio % nmk_chip->chip.base,
+                __nmk_gpio_set_slpm(nmk_chip, gpio % NMK_GPIO_PER_CHIP,
                                     NMK_GPIO_SLPM_WAKEUP_ENABLE);
         }
 
@@ -1246,6 +1246,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
                 ret = PTR_ERR(clk);
                 goto out_unmap;
         }
+        clk_prepare(clk);
 
         nmk_chip = kzalloc(sizeof(*nmk_chip), GFP_KERNEL);
         if (!nmk_chip) {
@@ -1437,7 +1438,27 @@ static int nmk_pmx_enable(struct pinctrl_dev *pctldev, unsigned function,
 
         dev_dbg(npct->dev, "enable group %s, %u pins\n", g->name, g->npins);
 
-        /* Handle this special glitch on altfunction C */
+        /*
+         * If we're setting altfunc C by setting both AFSLA and AFSLB to 1,
+         * we may pass through an undesired state. In this case we take
+         * some extra care.
+         *
+         * Safe sequence used to switch IOs between GPIO and Alternate-C mode:
+         *  - Save SLPM registers (since we have a shadow register in the
+         *    nmk_chip we're using that as backup)
+         *  - Set SLPM=0 for the IOs you want to switch and others to 1
+         *  - Configure the GPIO registers for the IOs that are being switched
+         *  - Set IOFORCE=1
+         *  - Modify the AFLSA/B registers for the IOs that are being switched
+         *  - Set IOFORCE=0
+         *  - Restore SLPM registers
+         *  - Any spurious wake up event during switch sequence to be ignored
+         *    and cleared
+         *
+         * We REALLY need to save ALL slpm registers, because the external
+         * IOFORCE will switch *all* ports to their sleepmode setting to as
+         * to avoid glitches. (Not just one port!)
+         */
         glitch = (g->altsetting == NMK_GPIO_ALT_C);
 
         if (glitch) {
diff --git a/drivers/pinctrl/pinctrl-sirf.c b/drivers/pinctrl/pinctrl-sirf.c
index ba15b1a29e52..e9f8e7d11001 100644
--- a/drivers/pinctrl/pinctrl-sirf.c
+++ b/drivers/pinctrl/pinctrl-sirf.c
@@ -1184,7 +1184,7 @@ out_no_gpio_remap:
         return ret;
 }
 
-static const struct of_device_id pinmux_ids[]  = {
+static const struct of_device_id pinmux_ids[] __devinitconst = {
         { .compatible = "sirf,prima2-gpio-pinmux" },
         {}
 };
diff --git a/drivers/pinctrl/spear/pinctrl-spear.c b/drivers/pinctrl/spear/pinctrl-spear.c
index 5ae50aadf885..b3f6b2873fdd 100644
--- a/drivers/pinctrl/spear/pinctrl-spear.c
+++ b/drivers/pinctrl/spear/pinctrl-spear.c
@@ -2,7 +2,7 @@
  * Driver for the ST Microelectronics SPEAr pinmux
  *
  * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
  *
  * Inspired from:
  * - U300 Pinctl drivers
diff --git a/drivers/pinctrl/spear/pinctrl-spear.h b/drivers/pinctrl/spear/pinctrl-spear.h
index 9155783bb47f..d950eb78d939 100644
--- a/drivers/pinctrl/spear/pinctrl-spear.h
+++ b/drivers/pinctrl/spear/pinctrl-spear.h
@@ -2,7 +2,7 @@
  * Driver header file for the ST Microelectronics SPEAr pinmux
  *
  * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
diff --git a/drivers/pinctrl/spear/pinctrl-spear1310.c b/drivers/pinctrl/spear/pinctrl-spear1310.c
index fff168be7f00..d6cca8c81b92 100644
--- a/drivers/pinctrl/spear/pinctrl-spear1310.c
+++ b/drivers/pinctrl/spear/pinctrl-spear1310.c
@@ -2,7 +2,7 @@
  * Driver for the ST Microelectronics SPEAr1310 pinmux
  *
  * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
@@ -2192,7 +2192,7 @@ static void __exit spear1310_pinctrl_exit(void)
 }
 module_exit(spear1310_pinctrl_exit);
 
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
 MODULE_DESCRIPTION("ST Microelectronics SPEAr1310 pinctrl driver");
 MODULE_LICENSE("GPL v2");
 MODULE_DEVICE_TABLE(of, spear1310_pinctrl_of_match);
diff --git a/drivers/pinctrl/spear/pinctrl-spear1340.c b/drivers/pinctrl/spear/pinctrl-spear1340.c
index a8ab2a6f51bf..a0eb057e55bd 100644
--- a/drivers/pinctrl/spear/pinctrl-spear1340.c
+++ b/drivers/pinctrl/spear/pinctrl-spear1340.c
@@ -2,7 +2,7 @@
  * Driver for the ST Microelectronics SPEAr1340 pinmux
  *
  * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
@@ -1983,7 +1983,7 @@ static void __exit spear1340_pinctrl_exit(void)
 }
 module_exit(spear1340_pinctrl_exit);
 
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
 MODULE_DESCRIPTION("ST Microelectronics SPEAr1340 pinctrl driver");
 MODULE_LICENSE("GPL v2");
 MODULE_DEVICE_TABLE(of, spear1340_pinctrl_of_match);
diff --git a/drivers/pinctrl/spear/pinctrl-spear300.c b/drivers/pinctrl/spear/pinctrl-spear300.c
index 9c82a35e4e78..4dfc2849b172 100644
--- a/drivers/pinctrl/spear/pinctrl-spear300.c
+++ b/drivers/pinctrl/spear/pinctrl-spear300.c
@@ -2,7 +2,7 @@
  * Driver for the ST Microelectronics SPEAr300 pinmux
  *
  * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
@@ -702,7 +702,7 @@ static void __exit spear300_pinctrl_exit(void)
 }
 module_exit(spear300_pinctrl_exit);
 
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
 MODULE_DESCRIPTION("ST Microelectronics SPEAr300 pinctrl driver");
 MODULE_LICENSE("GPL v2");
 MODULE_DEVICE_TABLE(of, spear300_pinctrl_of_match);
diff --git a/drivers/pinctrl/spear/pinctrl-spear310.c b/drivers/pinctrl/spear/pinctrl-spear310.c
index 1a9707605125..96883693fb7e 100644
--- a/drivers/pinctrl/spear/pinctrl-spear310.c
+++ b/drivers/pinctrl/spear/pinctrl-spear310.c
@@ -2,7 +2,7 @@
  * Driver for the ST Microelectronics SPEAr310 pinmux
  *
  * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
@@ -425,7 +425,7 @@ static void __exit spear310_pinctrl_exit(void)
 }
 module_exit(spear310_pinctrl_exit);
 
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
 MODULE_DESCRIPTION("ST Microelectronics SPEAr310 pinctrl driver");
 MODULE_LICENSE("GPL v2");
 MODULE_DEVICE_TABLE(of, SPEAr310_pinctrl_of_match);
diff --git a/drivers/pinctrl/spear/pinctrl-spear320.c b/drivers/pinctrl/spear/pinctrl-spear320.c
index de726e6c283a..020b1e0bdb3e 100644
--- a/drivers/pinctrl/spear/pinctrl-spear320.c
+++ b/drivers/pinctrl/spear/pinctrl-spear320.c
@@ -2,7 +2,7 @@
  * Driver for the ST Microelectronics SPEAr320 pinmux
  *
  * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
@@ -3462,7 +3462,7 @@ static void __exit spear320_pinctrl_exit(void)
 }
 module_exit(spear320_pinctrl_exit);
 
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
 MODULE_DESCRIPTION("ST Microelectronics SPEAr320 pinctrl driver");
 MODULE_LICENSE("GPL v2");
 MODULE_DEVICE_TABLE(of, spear320_pinctrl_of_match);
diff --git a/drivers/pinctrl/spear/pinctrl-spear3xx.c b/drivers/pinctrl/spear/pinctrl-spear3xx.c
index 91c883bc46a6..0242378f7cb8 100644
--- a/drivers/pinctrl/spear/pinctrl-spear3xx.c
+++ b/drivers/pinctrl/spear/pinctrl-spear3xx.c
@@ -2,7 +2,7 @@
  * Driver for the ST Microelectronics SPEAr3xx pinmux
  *
  * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
diff --git a/drivers/pinctrl/spear/pinctrl-spear3xx.h b/drivers/pinctrl/spear/pinctrl-spear3xx.h
index 5d5fdd8df7b8..31f44347f17c 100644
--- a/drivers/pinctrl/spear/pinctrl-spear3xx.h
+++ b/drivers/pinctrl/spear/pinctrl-spear3xx.h
@@ -2,7 +2,7 @@
  * Header file for the ST Microelectronics SPEAr3xx pinmux
  *
  * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any