From e38de678f6b19be3e46a678ec4deeaa7fa0fc140 Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Sun, 10 Sep 2006 21:54:39 -0400 Subject: Input: constify psmouse driver Signed-off-by: Helge Deller Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/alps.c | 8 ++++---- drivers/input/mouse/alps.h | 2 +- drivers/input/mouse/lifebook.c | 8 +++++--- drivers/input/mouse/psmouse-base.c | 42 ++++++++++++++++++++++---------------- drivers/input/mouse/sermouse.c | 2 +- drivers/input/mouse/synaptics.c | 10 ++++----- 6 files changed, 40 insertions(+), 32 deletions(-) (limited to 'drivers/input/mouse') diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 070d75330afd..450b68a619fd 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -36,7 +36,7 @@ #define ALPS_PASS 0x20 #define ALPS_FW_BK_2 0x40 -static struct alps_model_info alps_model_data[] = { +static const struct alps_model_info alps_model_data[] = { { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO }, /* UMAX-530T */ { { 0x53, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, { { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, @@ -209,10 +209,10 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse, struct pt_regs * return PSMOUSE_GOOD_DATA; } -static struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *version) +static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *version) { struct ps2dev *ps2dev = &psmouse->ps2dev; - unsigned char rates[] = { 0, 10, 20, 40, 60, 80, 100, 200 }; + static const unsigned char rates[] = { 0, 10, 20, 40, 60, 80, 100, 200 }; unsigned char param[4]; int i; @@ -504,7 +504,7 @@ init_fail: int alps_detect(struct psmouse *psmouse, int set_properties) { int version; - struct alps_model_info *model; + const struct alps_model_info *model; if (!(model = alps_get_model(psmouse, &version))) return -1; diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h index e428f8d5d12e..69db7325a494 100644 --- a/drivers/input/mouse/alps.h +++ b/drivers/input/mouse/alps.h @@ -25,7 +25,7 @@ struct alps_data { struct input_dev *dev2; /* Relative device */ char name[32]; /* Name */ char phys[32]; /* Phys */ - struct alps_model_info *i; /* Info */ + const struct alps_model_info *i;/* Info */ int prev_fin; /* Finger bit from previous packet */ }; diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c index c14395ba7980..5e9d25067513 100644 --- a/drivers/input/mouse/lifebook.c +++ b/drivers/input/mouse/lifebook.c @@ -115,13 +115,15 @@ static int lifebook_absolute_mode(struct psmouse *psmouse) static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolution) { - unsigned char params[] = { 0, 1, 2, 2, 3 }; + static const unsigned char params[] = { 0, 1, 2, 2, 3 }; + unsigned char p; if (resolution == 0 || resolution > 400) resolution = 400; - ps2_command(&psmouse->ps2dev, ¶ms[resolution / 100], PSMOUSE_CMD_SETRES); - psmouse->resolution = 50 << params[resolution / 100]; + p = params[resolution / 100]; + ps2_command(&psmouse->ps2dev, &p, PSMOUSE_CMD_SETRES); + psmouse->resolution = 50 << p; } static void lifebook_disconnect(struct psmouse *psmouse) diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 8bc9f51ae6c2..ec0119459bc6 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -112,8 +112,8 @@ static struct workqueue_struct *kpsmoused_wq; struct psmouse_protocol { enum psmouse_type type; - char *name; - char *alias; + const char *name; + const char *alias; int maxproto; int (*detect)(struct psmouse *, int); int (*init)(struct psmouse *); @@ -514,15 +514,17 @@ static int thinking_detect(struct psmouse *psmouse, int set_properties) { struct ps2dev *ps2dev = &psmouse->ps2dev; unsigned char param[2]; - unsigned char seq[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20, 0 }; + static const unsigned char seq[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; int i; param[0] = 10; ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); param[0] = 0; ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); - for (i = 0; seq[i]; i++) - ps2_command(ps2dev, seq + i, PSMOUSE_CMD_SETRATE); + for (i = 0; i < ARRAY_SIZE(seq); i++) { + param[0] = seq[i]; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + } ps2_command(ps2dev, param, PSMOUSE_CMD_GETID); if (param[0] != 2) @@ -659,7 +661,7 @@ static int psmouse_extensions(struct psmouse *psmouse, return PSMOUSE_PS2; } -static struct psmouse_protocol psmouse_protocols[] = { +static const struct psmouse_protocol psmouse_protocols[] = { { .type = PSMOUSE_PS2, .name = "PS/2", @@ -733,7 +735,7 @@ static struct psmouse_protocol psmouse_protocols[] = { }, }; -static struct psmouse_protocol *psmouse_protocol_by_type(enum psmouse_type type) +static const struct psmouse_protocol *psmouse_protocol_by_type(enum psmouse_type type) { int i; @@ -745,9 +747,9 @@ static struct psmouse_protocol *psmouse_protocol_by_type(enum psmouse_type type) return &psmouse_protocols[0]; } -static struct psmouse_protocol *psmouse_protocol_by_name(const char *name, size_t len) +static const struct psmouse_protocol *psmouse_protocol_by_name(const char *name, size_t len) { - struct psmouse_protocol *p; + const struct psmouse_protocol *p; int i; for (i = 0; i < ARRAY_SIZE(psmouse_protocols); i++) { @@ -802,13 +804,15 @@ static int psmouse_probe(struct psmouse *psmouse) void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution) { - unsigned char params[] = { 0, 1, 2, 2, 3 }; + static const unsigned char params[] = { 0, 1, 2, 2, 3 }; + unsigned char p; if (resolution == 0 || resolution > 200) resolution = 200; - ps2_command(&psmouse->ps2dev, ¶ms[resolution / 50], PSMOUSE_CMD_SETRES); - psmouse->resolution = 25 << params[resolution / 50]; + p = params[resolution / 50]; + ps2_command(&psmouse->ps2dev, &p, PSMOUSE_CMD_SETRES); + psmouse->resolution = 25 << p; } /* @@ -817,12 +821,14 @@ void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution) static void psmouse_set_rate(struct psmouse *psmouse, unsigned int rate) { - unsigned char rates[] = { 200, 100, 80, 60, 40, 20, 10, 0 }; + static const unsigned char rates[] = { 200, 100, 80, 60, 40, 20, 10, 0 }; + unsigned char r; int i = 0; while (rates[i] > rate) i++; - ps2_command(&psmouse->ps2dev, &rates[i], PSMOUSE_CMD_SETRATE); - psmouse->rate = rates[i]; + r = rates[i]; + ps2_command(&psmouse->ps2dev, &r, PSMOUSE_CMD_SETRATE); + psmouse->rate = r; } /* @@ -1038,7 +1044,7 @@ static void psmouse_disconnect(struct serio *serio) mutex_unlock(&psmouse_mutex); } -static int psmouse_switch_protocol(struct psmouse *psmouse, struct psmouse_protocol *proto) +static int psmouse_switch_protocol(struct psmouse *psmouse, const struct psmouse_protocol *proto) { struct input_dev *input_dev = psmouse->dev; @@ -1369,7 +1375,7 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co struct serio *serio = psmouse->ps2dev.serio; struct psmouse *parent = NULL; struct input_dev *new_dev; - struct psmouse_protocol *proto; + const struct psmouse_protocol *proto; int retry = 0; if (!(proto = psmouse_protocol_by_name(buf, count))) @@ -1466,7 +1472,7 @@ static ssize_t psmouse_attr_set_resolution(struct psmouse *psmouse, void *data, static int psmouse_set_maxproto(const char *val, struct kernel_param *kp) { - struct psmouse_protocol *proto; + const struct psmouse_protocol *proto; if (!val) return -EINVAL; diff --git a/drivers/input/mouse/sermouse.c b/drivers/input/mouse/sermouse.c index 0023501a5b63..680b32353884 100644 --- a/drivers/input/mouse/sermouse.c +++ b/drivers/input/mouse/sermouse.c @@ -42,7 +42,7 @@ MODULE_AUTHOR("Vojtech Pavlik "); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); -static char *sermouse_protocols[] = { "None", "Mouse Systems Mouse", "Sun Mouse", "Microsoft Mouse", +static const char *sermouse_protocols[] = { "None", "Mouse Systems Mouse", "Sun Mouse", "Microsoft Mouse", "Logitech M+ Mouse", "Microsoft MZ Mouse", "Logitech MZ+ Mouse", "Logitech MZ++ Mouse"}; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index ad5d0a85e960..392108c436ba 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -430,11 +430,11 @@ static void synaptics_process_packet(struct psmouse *psmouse) static int synaptics_validate_byte(unsigned char packet[], int idx, unsigned char pkt_type) { - static unsigned char newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 }; - static unsigned char newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 }; - static unsigned char newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 }; - static unsigned char oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 }; - static unsigned char oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 }; + static const unsigned char newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 }; + static const unsigned char newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 }; + static const unsigned char newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 }; + static const unsigned char oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 }; + static const unsigned char oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 }; if (idx < 0 || idx > 4) return 0; -- cgit v1.2.3-59-g8ed1b