Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc7' into tracing/core

16 files changed, 78 insertions, 45 deletions

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index c3c8b9bc40ae..45470f18d7e9 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -839,7 +839,7 @@ static void atkbd_disconnect(struct serio *serio)
  */
 static void atkbd_dell_laptop_keymap_fixup(struct atkbd *atkbd)
 {
-        const unsigned int forced_release_keys[] = {
+        static const unsigned int forced_release_keys[] = {
                 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93,
         };
         int i;
@@ -856,7 +856,7 @@ static void atkbd_dell_laptop_keymap_fixup(struct atkbd *atkbd)
  */
 static void atkbd_hp_keymap_fixup(struct atkbd *atkbd)
 {
-        const unsigned int forced_release_keys[] = {
+        static const unsigned int forced_release_keys[] = {
                 0x94,
         };
         int i;
diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c
index 19284016e0f4..ee855c5202e8 100644
--- a/drivers/input/keyboard/bf54x-keys.c
+++ b/drivers/input/keyboard/bf54x-keys.c
@@ -209,8 +209,8 @@ static int __devinit bfin_kpad_probe(struct platform_device *pdev)
                 goto out;
         }
 
-        if (!pdata->debounce_time || !pdata->debounce_time > MAX_MULT ||
-            !pdata->coldrive_time || !pdata->coldrive_time > MAX_MULT) {
+        if (!pdata->debounce_time || pdata->debounce_time > MAX_MULT ||
+            !pdata->coldrive_time || pdata->coldrive_time > MAX_MULT) {
                 printk(KERN_ERR DRV_NAME
                         ": Invalid Debounce/Columdrive Time from pdata\n");
                 bfin_write_KPAD_MSEL(0xFF0);    /* Default MSEL */
diff --git a/drivers/input/keyboard/corgikbd.c b/drivers/input/keyboard/corgikbd.c
index c8ed065ea0cb..abb04c82c622 100644
--- a/drivers/input/keyboard/corgikbd.c
+++ b/drivers/input/keyboard/corgikbd.c
@@ -288,7 +288,7 @@ static int corgikbd_resume(struct platform_device *dev)
 #define corgikbd_resume         NULL
 #endif
 
-static int __init corgikbd_probe(struct platform_device *pdev)
+static int __devinit corgikbd_probe(struct platform_device *pdev)
 {
         struct corgikbd *corgikbd;
         struct input_dev *input_dev;
@@ -368,7 +368,7 @@ static int __init corgikbd_probe(struct platform_device *pdev)
         return err;
 }
 
-static int corgikbd_remove(struct platform_device *pdev)
+static int __devexit corgikbd_remove(struct platform_device *pdev)
 {
         int i;
         struct corgikbd *corgikbd = platform_get_drvdata(pdev);
@@ -388,7 +388,7 @@ static int corgikbd_remove(struct platform_device *pdev)
 
 static struct platform_driver corgikbd_driver = {
         .probe          = corgikbd_probe,
-        .remove         = corgikbd_remove,
+        .remove         = __devexit_p(corgikbd_remove),
         .suspend        = corgikbd_suspend,
         .resume         = corgikbd_resume,
         .driver         = {
@@ -397,7 +397,7 @@ static struct platform_driver corgikbd_driver = {
         },
 };
 
-static int __devinit corgikbd_init(void)
+static int __init corgikbd_init(void)
 {
         return platform_driver_register(&corgikbd_driver);
 }
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index 3f3d1198cdb1..058fa8b02c21 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -279,7 +279,7 @@ static int omap_kp_resume(struct platform_device *dev)
 #define omap_kp_resume  NULL
 #endif
 
-static int __init omap_kp_probe(struct platform_device *pdev)
+static int __devinit omap_kp_probe(struct platform_device *pdev)
 {
         struct omap_kp *omap_kp;
         struct input_dev *input_dev;
@@ -422,7 +422,7 @@ err1:
         return -EINVAL;
 }
 
-static int omap_kp_remove(struct platform_device *pdev)
+static int __devexit omap_kp_remove(struct platform_device *pdev)
 {
         struct omap_kp *omap_kp = platform_get_drvdata(pdev);
 
@@ -454,7 +454,7 @@ static int omap_kp_remove(struct platform_device *pdev)
 
 static struct platform_driver omap_kp_driver = {
         .probe          = omap_kp_probe,
-        .remove         = omap_kp_remove,
+        .remove         = __devexit_p(omap_kp_remove),
         .suspend        = omap_kp_suspend,
         .resume         = omap_kp_resume,
         .driver         = {
@@ -463,7 +463,7 @@ static struct platform_driver omap_kp_driver = {
         },
 };
 
-static int __devinit omap_kp_init(void)
+static int __init omap_kp_init(void)
 {
         printk(KERN_INFO "OMAP Keypad Driver\n");
         return platform_driver_register(&omap_kp_driver);
diff --git a/drivers/input/keyboard/spitzkbd.c b/drivers/input/keyboard/spitzkbd.c
index c48b76a46a58..9d1781a618e9 100644
--- a/drivers/input/keyboard/spitzkbd.c
+++ b/drivers/input/keyboard/spitzkbd.c
@@ -343,7 +343,7 @@ static int spitzkbd_resume(struct platform_device *dev)
 #define spitzkbd_resume         NULL
 #endif
 
-static int __init spitzkbd_probe(struct platform_device *dev)
+static int __devinit spitzkbd_probe(struct platform_device *dev)
 {
         struct spitzkbd *spitzkbd;
         struct input_dev *input_dev;
@@ -444,7 +444,7 @@ static int __init spitzkbd_probe(struct platform_device *dev)
         return err;
 }
 
-static int spitzkbd_remove(struct platform_device *dev)
+static int __devexit spitzkbd_remove(struct platform_device *dev)
 {
         int i;
         struct spitzkbd *spitzkbd = platform_get_drvdata(dev);
@@ -470,7 +470,7 @@ static int spitzkbd_remove(struct platform_device *dev)
 
 static struct platform_driver spitzkbd_driver = {
         .probe          = spitzkbd_probe,
-        .remove         = spitzkbd_remove,
+        .remove         = __devexit_p(spitzkbd_remove),
         .suspend        = spitzkbd_suspend,
         .resume         = spitzkbd_resume,
         .driver         = {
@@ -479,7 +479,7 @@ static struct platform_driver spitzkbd_driver = {
         },
 };
 
-static int __devinit spitzkbd_init(void)
+static int __init spitzkbd_init(void)
 {
         return platform_driver_register(&spitzkbd_driver);
 }
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index 093c8c1bca74..9705f3a00a3d 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -70,7 +70,7 @@ config MOUSE_PS2_SYNAPTICS
 config MOUSE_PS2_LIFEBOOK
         bool "Fujitsu Lifebook PS/2 mouse protocol extension" if EMBEDDED
         default y
-        depends on MOUSE_PS2
+        depends on MOUSE_PS2 && X86
         help
           Say Y here if you have a Fujitsu B-series Lifebook PS/2
           TouchScreen connected to your system.
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index b9a25d57bc5e..6ab0eb1ada1c 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -542,7 +542,7 @@ int elantech_detect(struct psmouse *psmouse, int set_properties)
             ps2_command(ps2dev,  NULL, PSMOUSE_CMD_SETSCALE11) ||
             ps2_command(ps2dev,  NULL, PSMOUSE_CMD_SETSCALE11) ||
             ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) {
-                pr_err("elantech.c: sending Elantech magic knock failed.\n");
+                pr_debug("elantech.c: sending Elantech magic knock failed.\n");
                 return -1;
         }
 
@@ -551,8 +551,27 @@ int elantech_detect(struct psmouse *psmouse, int set_properties)
          * set of magic numbers
          */
         if (param[0] != 0x3c || param[1] != 0x03 || param[2] != 0xc8) {
-                pr_info("elantech.c: unexpected magic knock result 0x%02x, 0x%02x, 0x%02x.\n",
-                        param[0], param[1], param[2]);
+                pr_debug("elantech.c: "
+                         "unexpected magic knock result 0x%02x, 0x%02x, 0x%02x.\n",
+                         param[0], param[1], param[2]);
+                return -1;
+        }
+
+        /*
+         * Query touchpad's firmware version and see if it reports known
+         * value to avoid mis-detection. Logitech mice are known to respond
+         * to Elantech magic knock and there might be more.
+         */
+        if (synaptics_send_cmd(psmouse, ETP_FW_VERSION_QUERY, param)) {
+                pr_debug("elantech.c: failed to query firmware version.\n");
+                return -1;
+        }
+
+        pr_debug("elantech.c: Elantech version query result 0x%02x, 0x%02x, 0x%02x.\n",
+                 param[0], param[1], param[2]);
+
+        if (param[0] == 0 || param[1] != 0) {
+                pr_debug("elantech.c: Probably not a real Elantech touchpad. Aborting.\n");
                 return -1;
         }
 
@@ -600,8 +619,7 @@ int elantech_init(struct psmouse *psmouse)
         int i, error;
         unsigned char param[3];
 
-        etd = kzalloc(sizeof(struct elantech_data), GFP_KERNEL);
-        psmouse->private = etd;
+        psmouse->private = etd = kzalloc(sizeof(struct elantech_data), GFP_KERNEL);
         if (!etd)
                 return -1;
 
@@ -610,14 +628,12 @@ int elantech_init(struct psmouse *psmouse)
                 etd->parity[i] = etd->parity[i & (i - 1)] ^ 1;
 
         /*
-         * Find out what version hardware this is
+         * Do the version query again so we can store the result
          */
         if (synaptics_send_cmd(psmouse, ETP_FW_VERSION_QUERY, param)) {
                 pr_err("elantech.c: failed to query firmware version.\n");
                 goto init_fail;
         }
-        pr_info("elantech.c: Elantech version query result 0x%02x, 0x%02x, 0x%02x.\n",
-                param[0], param[1], param[2]);
         etd->fw_version_maj = param[0];
         etd->fw_version_min = param[2];
 
diff --git a/drivers/input/mouse/pxa930_trkball.c b/drivers/input/mouse/pxa930_trkball.c
index d297accf9a7f..1e827ad0afbe 100644
--- a/drivers/input/mouse/pxa930_trkball.c
+++ b/drivers/input/mouse/pxa930_trkball.c
@@ -83,7 +83,7 @@ static int write_tbcr(struct pxa930_trkball *trkball, int v)
 
         __raw_writel(v, trkball->mmio_base + TBCR);
 
-        while (i--) {
+        while (--i) {
                 if (__raw_readl(trkball->mmio_base + TBCR) == v)
                         break;
                 msleep(1);
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 865fc69e9bc3..f3e4f7b0240d 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -182,11 +182,6 @@ static int synaptics_identify(struct psmouse *psmouse)
 
 static int synaptics_query_hardware(struct psmouse *psmouse)
 {
-        int retries = 0;
-
-        while ((retries++ < 3) && psmouse_reset(psmouse))
-                /* empty */;
-
         if (synaptics_identify(psmouse))
                 return -1;
         if (synaptics_model_id(psmouse))
@@ -582,6 +577,8 @@ static int synaptics_reconnect(struct psmouse *psmouse)
         struct synaptics_data *priv = psmouse->private;
         struct synaptics_data old_priv = *priv;
 
+        psmouse_reset(psmouse);
+
         if (synaptics_detect(psmouse, 0))
                 return -1;
 
@@ -640,6 +637,8 @@ int synaptics_init(struct psmouse *psmouse)
         if (!priv)
                 return -1;
 
+        psmouse_reset(psmouse);
+
         if (synaptics_query_hardware(psmouse)) {
                 printk(KERN_ERR "Unable to query Synaptics hardware.\n");
                 goto init_fail;
diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c
index b10ffae7c39b..e29cdc13a199 100644
--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@@ -57,7 +57,7 @@ static int amba_kmi_write(struct serio *io, unsigned char val)
         struct amba_kmi_port *kmi = io->port_data;
         unsigned int timeleft = 10000; /* timeout in 100ms */
 
-        while ((readb(KMISTAT) & KMISTAT_TXEMPTY) == 0 && timeleft--)
+        while ((readb(KMISTAT) & KMISTAT_TXEMPTY) == 0 && --timeleft)
                 udelay(10);
 
         if (timeleft)
@@ -129,8 +129,8 @@ static int amba_kmi_probe(struct amba_device *dev, void *id)
         io->write       = amba_kmi_write;
         io->open        = amba_kmi_open;
         io->close       = amba_kmi_close;
-        strlcpy(io->name, dev->dev.bus_id, sizeof(io->name));
-        strlcpy(io->phys, dev->dev.bus_id, sizeof(io->phys));
+        strlcpy(io->name, dev_name(&dev->dev), sizeof(io->name));
+        strlcpy(io->phys, dev_name(&dev->dev), sizeof(io->phys));
         io->port_data   = kmi;
         io->dev.parent  = &dev->dev;
 
diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c
index adc3bd6e7f7b..bd0f92d9f40f 100644
--- a/drivers/input/serio/gscps2.c
+++ b/drivers/input/serio/gscps2.c
@@ -359,7 +359,7 @@ static int __init gscps2_probe(struct parisc_device *dev)
 
         snprintf(serio->name, sizeof(serio->name), "GSC PS/2 %s",
                  (ps2port->id == GSC_ID_KEYBOARD) ? "keyboard" : "mouse");
-        strlcpy(serio->phys, dev->dev.bus_id, sizeof(serio->phys));
+        strlcpy(serio->phys, dev_name(&dev->dev), sizeof(serio->phys));
         serio->id.type          = SERIO_8042;
         serio->write            = gscps2_write;
         serio->open             = gscps2_open;
diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c
index 2ad88780a170..57953c0eb82f 100644
--- a/drivers/input/serio/sa1111ps2.c
+++ b/drivers/input/serio/sa1111ps2.c
@@ -246,8 +246,8 @@ static int __devinit ps2_probe(struct sa1111_dev *dev)
         serio->write            = ps2_write;
         serio->open             = ps2_open;
         serio->close            = ps2_close;
-        strlcpy(serio->name, dev->dev.bus_id, sizeof(serio->name));
-        strlcpy(serio->phys, dev->dev.bus_id, sizeof(serio->phys));
+        strlcpy(serio->name, dev_name(&dev->dev), sizeof(serio->name));
+        strlcpy(serio->phys, dev_name(&dev->dev), sizeof(serio->phys));
         serio->port_data        = ps2if;
         serio->dev.parent       = &dev->dev;
         ps2if->io               = serio;
diff --git a/drivers/input/touchscreen/atmel_tsadcc.c b/drivers/input/touchscreen/atmel_tsadcc.c
index a89a6a8f05e6..055969e8be13 100644
--- a/drivers/input/touchscreen/atmel_tsadcc.c
+++ b/drivers/input/touchscreen/atmel_tsadcc.c
@@ -236,7 +236,7 @@ static int __devinit atmel_tsadcc_probe(struct platform_device *pdev)
         ts_dev->bufferedmeasure = 0;
 
         snprintf(ts_dev->phys, sizeof(ts_dev->phys),
-                 "%s/input0", pdev->dev.bus_id);
+                 "%s/input0", dev_name(&pdev->dev));
 
         input_dev->name = "atmel touch screen controller";
         input_dev->phys = ts_dev->phys;
diff --git a/drivers/input/touchscreen/corgi_ts.c b/drivers/input/touchscreen/corgi_ts.c
index 65202c9f63ff..3fb51b54fe61 100644
--- a/drivers/input/touchscreen/corgi_ts.c
+++ b/drivers/input/touchscreen/corgi_ts.c
@@ -268,7 +268,7 @@ static int corgits_resume(struct platform_device *dev)
 #define corgits_resume          NULL
 #endif
 
-static int __init corgits_probe(struct platform_device *pdev)
+static int __devinit corgits_probe(struct platform_device *pdev)
 {
         struct corgi_ts *corgi_ts;
         struct input_dev *input_dev;
@@ -343,7 +343,7 @@ static int __init corgits_probe(struct platform_device *pdev)
         return err;
 }
 
-static int corgits_remove(struct platform_device *pdev)
+static int __devexit corgits_remove(struct platform_device *pdev)
 {
         struct corgi_ts *corgi_ts = platform_get_drvdata(pdev);
 
@@ -352,12 +352,13 @@ static int corgits_remove(struct platform_device *pdev)
         corgi_ts->machinfo->put_hsync();
         input_unregister_device(corgi_ts->input);
         kfree(corgi_ts);
+
         return 0;
 }
 
 static struct platform_driver corgits_driver = {
         .probe          = corgits_probe,
-        .remove         = corgits_remove,
+        .remove         = __devexit_p(corgits_remove),
         .suspend        = corgits_suspend,
         .resume         = corgits_resume,
         .driver         = {
@@ -366,7 +367,7 @@ static struct platform_driver corgits_driver = {
         },
 };
 
-static int __devinit corgits_init(void)
+static int __init corgits_init(void)
 {
         return platform_driver_register(&corgits_driver);
 }
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index b75dc2990574..4ab070246892 100644
--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c
@@ -289,7 +289,8 @@ static int tsc2007_probe(struct i2c_client *client,
 
         pdata->init_platform_hw();
 
-        snprintf(ts->phys, sizeof(ts->phys), "%s/input0", client->dev.bus_id);
+        snprintf(ts->phys, sizeof(ts->phys),
+                 "%s/input0", dev_name(&client->dev));
 
         input_dev->name = "TSC2007 Touchscreen";
         input_dev->phys = ts->phys;
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 5080b26ba160..fb7cb9bdfbd5 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -60,6 +60,10 @@ static int swap_xy;
 module_param(swap_xy, bool, 0644);
 MODULE_PARM_DESC(swap_xy, "If set X and Y axes are swapped.");
 
+static int hwcalib_xy;
+module_param(hwcalib_xy, bool, 0644);
+MODULE_PARM_DESC(hwcalib_xy, "If set hw-calibrated X/Y are used if available");
+
 /* device specifc data/functions */
 struct usbtouch_usb;
 struct usbtouch_device_info {
@@ -118,6 +122,7 @@ enum {
 
 #define USB_DEVICE_HID_CLASS(vend, prod) \
         .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS \
+                | USB_DEVICE_ID_MATCH_INT_PROTOCOL \
                 | USB_DEVICE_ID_MATCH_DEVICE, \
         .idVendor = (vend), \
         .idProduct = (prod), \
@@ -260,8 +265,13 @@ static int panjit_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
 
 static int mtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
 {
-        dev->x = (pkt[8] << 8) | pkt[7];
-        dev->y = (pkt[10] << 8) | pkt[9];
+        if (hwcalib_xy) {
+                dev->x = (pkt[4] << 8) | pkt[3];
+                dev->y = 0xffff - ((pkt[6] << 8) | pkt[5]);
+        } else {
+                dev->x = (pkt[8] << 8) | pkt[7];
+                dev->y = (pkt[10] << 8) | pkt[9];
+        }
         dev->touch = (pkt[2] & 0x40) ? 1 : 0;
 
         return 1;
@@ -294,6 +304,12 @@ static int mtouch_init(struct usbtouch_usb *usbtouch)
                         return ret;
         }
 
+        /* Default min/max xy are the raw values, override if using hw-calib */
+        if (hwcalib_xy) {
+                input_set_abs_params(usbtouch->input, ABS_X, 0, 0xffff, 0, 0);
+                input_set_abs_params(usbtouch->input, ABS_Y, 0, 0xffff, 0, 0);
+        }
+
         return 0;
 }
 #endif