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authorJames Morris <jmorris@namei.org>2010-05-06 08:21:04 -0400
committerJames Morris <jmorris@namei.org>2010-05-06 08:21:04 -0400
commit043b4d40f53131c5f72eca2a46555fe35328a930 (patch)
tree02a40eeb688f7ed9730e26a22f39ad7e04378de2 /drivers/input/mouse/psmouse-base.c
parent292823814261e085cdcef06b6b691e6c2563fbd4 (diff)
parent722154e4cacf015161efe60009ae9be23d492296 (diff)
Merge branch 'master' into next
Conflicts: security/keys/keyring.c Resolved conflict with whitespace fix in find_keyring_by_name() Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers/input/mouse/psmouse-base.c')
-rw-r--r--drivers/input/mouse/psmouse-base.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index d8c0c8d6992c..cbc807264940 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -110,6 +110,7 @@ static struct workqueue_struct *kpsmoused_wq;
110struct psmouse_protocol { 110struct psmouse_protocol {
111 enum psmouse_type type; 111 enum psmouse_type type;
112 bool maxproto; 112 bool maxproto;
113 bool ignore_parity; /* Protocol should ignore parity errors from KBC */
113 const char *name; 114 const char *name;
114 const char *alias; 115 const char *alias;
115 int (*detect)(struct psmouse *, bool); 116 int (*detect)(struct psmouse *, bool);
@@ -288,7 +289,9 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
288 if (psmouse->state == PSMOUSE_IGNORE) 289 if (psmouse->state == PSMOUSE_IGNORE)
289 goto out; 290 goto out;
290 291
291 if (flags & (SERIO_PARITY|SERIO_TIMEOUT)) { 292 if (unlikely((flags & SERIO_TIMEOUT) ||
293 ((flags & SERIO_PARITY) && !psmouse->ignore_parity))) {
294
292 if (psmouse->state == PSMOUSE_ACTIVATED) 295 if (psmouse->state == PSMOUSE_ACTIVATED)
293 printk(KERN_WARNING "psmouse.c: bad data from KBC -%s%s\n", 296 printk(KERN_WARNING "psmouse.c: bad data from KBC -%s%s\n",
294 flags & SERIO_TIMEOUT ? " timeout" : "", 297 flags & SERIO_TIMEOUT ? " timeout" : "",
@@ -759,6 +762,7 @@ static const struct psmouse_protocol psmouse_protocols[] = {
759 .name = "PS/2", 762 .name = "PS/2",
760 .alias = "bare", 763 .alias = "bare",
761 .maxproto = true, 764 .maxproto = true,
765 .ignore_parity = true,
762 .detect = ps2bare_detect, 766 .detect = ps2bare_detect,
763 }, 767 },
764#ifdef CONFIG_MOUSE_PS2_LOGIPS2PP 768#ifdef CONFIG_MOUSE_PS2_LOGIPS2PP
@@ -786,6 +790,7 @@ static const struct psmouse_protocol psmouse_protocols[] = {
786 .name = "ImPS/2", 790 .name = "ImPS/2",
787 .alias = "imps", 791 .alias = "imps",
788 .maxproto = true, 792 .maxproto = true,
793 .ignore_parity = true,
789 .detect = intellimouse_detect, 794 .detect = intellimouse_detect,
790 }, 795 },
791 { 796 {
@@ -793,6 +798,7 @@ static const struct psmouse_protocol psmouse_protocols[] = {
793 .name = "ImExPS/2", 798 .name = "ImExPS/2",
794 .alias = "exps", 799 .alias = "exps",
795 .maxproto = true, 800 .maxproto = true,
801 .ignore_parity = true,
796 .detect = im_explorer_detect, 802 .detect = im_explorer_detect,
797 }, 803 },
798#ifdef CONFIG_MOUSE_PS2_SYNAPTICS 804#ifdef CONFIG_MOUSE_PS2_SYNAPTICS
@@ -1222,6 +1228,7 @@ static void psmouse_disconnect(struct serio *serio)
1222static int psmouse_switch_protocol(struct psmouse *psmouse, 1228static int psmouse_switch_protocol(struct psmouse *psmouse,
1223 const struct psmouse_protocol *proto) 1229 const struct psmouse_protocol *proto)
1224{ 1230{
1231 const struct psmouse_protocol *selected_proto;
1225 struct input_dev *input_dev = psmouse->dev; 1232 struct input_dev *input_dev = psmouse->dev;
1226 1233
1227 input_dev->dev.parent = &psmouse->ps2dev.serio->dev; 1234 input_dev->dev.parent = &psmouse->ps2dev.serio->dev;
@@ -1245,9 +1252,14 @@ static int psmouse_switch_protocol(struct psmouse *psmouse,
1245 return -1; 1252 return -1;
1246 1253
1247 psmouse->type = proto->type; 1254 psmouse->type = proto->type;
1248 } else 1255 selected_proto = proto;
1256 } else {
1249 psmouse->type = psmouse_extensions(psmouse, 1257 psmouse->type = psmouse_extensions(psmouse,
1250 psmouse_max_proto, true); 1258 psmouse_max_proto, true);
1259 selected_proto = psmouse_protocol_by_type(psmouse->type);
1260 }
1261
1262 psmouse->ignore_parity = selected_proto->ignore_parity;
1251 1263
1252 /* 1264 /*
1253 * If mouse's packet size is 3 there is no point in polling the 1265 * If mouse's packet size is 3 there is no point in polling the
@@ -1267,7 +1279,7 @@ static int psmouse_switch_protocol(struct psmouse *psmouse,
1267 psmouse->resync_time = 0; 1279 psmouse->resync_time = 0;
1268 1280
1269 snprintf(psmouse->devname, sizeof(psmouse->devname), "%s %s %s", 1281 snprintf(psmouse->devname, sizeof(psmouse->devname), "%s %s %s",
1270 psmouse_protocol_by_type(psmouse->type)->name, psmouse->vendor, psmouse->name); 1282 selected_proto->name, psmouse->vendor, psmouse->name);
1271 1283
1272 input_dev->name = psmouse->devname; 1284 input_dev->name = psmouse->devname;
1273 input_dev->phys = psmouse->phys; 1285 input_dev->phys = psmouse->phys;