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-rw-r--r--drivers/input/serio/ams_delta_serio.c1
-rw-r--r--drivers/input/serio/ct82c710.c8
-rw-r--r--drivers/input/serio/hil_mlc.c5
-rw-r--r--drivers/input/serio/hp_sdc_mlc.c18
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h37
-rw-r--r--drivers/input/serio/i8042.c92
-rw-r--r--drivers/input/serio/i8042.h14
-rw-r--r--drivers/input/serio/ps2mult.c2
-rw-r--r--drivers/input/serio/serio.c155
9 files changed, 157 insertions, 175 deletions
diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c
index 8f1770e1e08b..ebe955325677 100644
--- a/drivers/input/serio/ams_delta_serio.c
+++ b/drivers/input/serio/ams_delta_serio.c
@@ -172,6 +172,5 @@ static void __exit ams_delta_serio_exit(void)
free_irq(OMAP_GPIO_IRQ(AMS_DELTA_GPIO_PIN_KEYBRD_CLK), 0);
gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_CLK);
gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_DATA);
- kfree(ams_delta_serio);
}
module_exit(ams_delta_serio_exit);
diff --git a/drivers/input/serio/ct82c710.c b/drivers/input/serio/ct82c710.c
index 4a3084695c00..448c7724beb9 100644
--- a/drivers/input/serio/ct82c710.c
+++ b/drivers/input/serio/ct82c710.c
@@ -191,6 +191,9 @@ static int __devinit ct82c710_probe(struct platform_device *dev)
serio_register_port(ct82c710_port);
+ printk(KERN_INFO "serio: C&T 82c710 mouse port at %#llx irq %d\n",
+ (unsigned long long)CT82C710_DATA, CT82C710_IRQ);
+
return 0;
}
@@ -237,11 +240,6 @@ static int __init ct82c710_init(void)
if (error)
goto err_free_device;
- serio_register_port(ct82c710_port);
-
- printk(KERN_INFO "serio: C&T 82c710 mouse port at %#llx irq %d\n",
- (unsigned long long)CT82C710_DATA, CT82C710_IRQ);
-
return 0;
err_free_device:
diff --git a/drivers/input/serio/hil_mlc.c b/drivers/input/serio/hil_mlc.c
index e5624d8f1709..bfd3865d886b 100644
--- a/drivers/input/serio/hil_mlc.c
+++ b/drivers/input/serio/hil_mlc.c
@@ -932,6 +932,11 @@ int hil_mlc_register(hil_mlc *mlc)
hil_mlc_copy_di_scratch(mlc, i);
mlc_serio = kzalloc(sizeof(*mlc_serio), GFP_KERNEL);
mlc->serio[i] = mlc_serio;
+ if (!mlc->serio[i]) {
+ for (; i >= 0; i--)
+ kfree(mlc->serio[i]);
+ return -ENOMEM;
+ }
snprintf(mlc_serio->name, sizeof(mlc_serio->name)-1, "HIL_SERIO%d", i);
snprintf(mlc_serio->phys, sizeof(mlc_serio->phys)-1, "HIL%d", i);
mlc_serio->id = hil_mlc_serio_id;
diff --git a/drivers/input/serio/hp_sdc_mlc.c b/drivers/input/serio/hp_sdc_mlc.c
index 7d2b820ef58d..d50f0678bf47 100644
--- a/drivers/input/serio/hp_sdc_mlc.c
+++ b/drivers/input/serio/hp_sdc_mlc.c
@@ -305,6 +305,7 @@ static void hp_sdc_mlc_out(hil_mlc *mlc)
static int __init hp_sdc_mlc_init(void)
{
hil_mlc *mlc = &hp_sdc_mlc;
+ int err;
#ifdef __mc68000__
if (!MACH_IS_HP300)
@@ -323,22 +324,21 @@ static int __init hp_sdc_mlc_init(void)
mlc->out = &hp_sdc_mlc_out;
mlc->priv = &hp_sdc_mlc_priv;
- if (hil_mlc_register(mlc)) {
+ err = hil_mlc_register(mlc);
+ if (err) {
printk(KERN_WARNING PREFIX "Failed to register MLC structure with hil_mlc\n");
- goto err0;
+ return err;
}
if (hp_sdc_request_hil_irq(&hp_sdc_mlc_isr)) {
printk(KERN_WARNING PREFIX "Request for raw HIL ISR hook denied\n");
- goto err1;
+ if (hil_mlc_unregister(mlc))
+ printk(KERN_ERR PREFIX "Failed to unregister MLC structure with hil_mlc.\n"
+ "This is bad. Could cause an oops.\n");
+ return -EBUSY;
}
+
return 0;
- err1:
- if (hil_mlc_unregister(mlc))
- printk(KERN_ERR PREFIX "Failed to unregister MLC structure with hil_mlc.\n"
- "This is bad. Could cause an oops.\n");
- err0:
- return -EBUSY;
}
static void __exit hp_sdc_mlc_exit(void)
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index a5475b577086..5ae0fc4578fe 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -553,6 +553,13 @@ static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
*/
static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
{
+ /* Acer Aspire 5100 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
+ },
+ },
+ {
/* Acer Aspire 5610 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
@@ -752,7 +759,7 @@ static int __init i8042_pnp_init(void)
#endif
if (i8042_nopnp) {
- printk(KERN_INFO "i8042: PNP detection disabled\n");
+ pr_info("PNP detection disabled\n");
return 0;
}
@@ -769,7 +776,7 @@ static int __init i8042_pnp_init(void)
#if defined(__ia64__)
return -ENODEV;
#else
- printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
+ pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
return 0;
#endif
}
@@ -781,7 +788,7 @@ static int __init i8042_pnp_init(void)
snprintf(aux_irq_str, sizeof(aux_irq_str),
"%d", i8042_pnp_aux_irq);
- printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
+ pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
i8042_pnp_aux_name,
i8042_pnp_data_reg, i8042_pnp_command_reg,
@@ -798,9 +805,7 @@ static int __init i8042_pnp_init(void)
if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
i8042_pnp_data_reg != i8042_data_reg) ||
!i8042_pnp_data_reg) {
- printk(KERN_WARNING
- "PNP: PS/2 controller has invalid data port %#x; "
- "using default %#x\n",
+ pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
i8042_pnp_data_reg, i8042_data_reg);
i8042_pnp_data_reg = i8042_data_reg;
pnp_data_busted = true;
@@ -809,33 +814,27 @@ static int __init i8042_pnp_init(void)
if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
i8042_pnp_command_reg != i8042_command_reg) ||
!i8042_pnp_command_reg) {
- printk(KERN_WARNING
- "PNP: PS/2 controller has invalid command port %#x; "
- "using default %#x\n",
+ pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
i8042_pnp_command_reg, i8042_command_reg);
i8042_pnp_command_reg = i8042_command_reg;
pnp_data_busted = true;
}
if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
- printk(KERN_WARNING
- "PNP: PS/2 controller doesn't have KBD irq; "
- "using default %d\n", i8042_kbd_irq);
+ pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
+ i8042_kbd_irq);
i8042_pnp_kbd_irq = i8042_kbd_irq;
pnp_data_busted = true;
}
if (!i8042_noaux && !i8042_pnp_aux_irq) {
if (!pnp_data_busted && i8042_pnp_kbd_irq) {
- printk(KERN_WARNING
- "PNP: PS/2 appears to have AUX port disabled, "
- "if this is incorrect please boot with "
- "i8042.nopnp\n");
+ pr_warn("PNP: PS/2 appears to have AUX port disabled, "
+ "if this is incorrect please boot with i8042.nopnp\n");
i8042_noaux = true;
} else {
- printk(KERN_WARNING
- "PNP: PS/2 controller doesn't have AUX irq; "
- "using default %d\n", i8042_aux_irq);
+ pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
+ i8042_aux_irq);
i8042_pnp_aux_irq = i8042_aux_irq;
}
}
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 18db5a8c7478..c04ff00a3663 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -10,6 +10,8 @@
* the Free Software Foundation.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/module.h>
@@ -225,8 +227,8 @@ static int i8042_flush(void)
udelay(50);
data = i8042_read_data();
i++;
- dbg("%02x <- i8042 (flush, %s)", data,
- str & I8042_STR_AUXDATA ? "aux" : "kbd");
+ dbg("%02x <- i8042 (flush, %s)\n",
+ data, str & I8042_STR_AUXDATA ? "aux" : "kbd");
}
spin_unlock_irqrestore(&i8042_lock, flags);
@@ -253,32 +255,32 @@ static int __i8042_command(unsigned char *param, int command)
if (error)
return error;
- dbg("%02x -> i8042 (command)", command & 0xff);
+ dbg("%02x -> i8042 (command)\n", command & 0xff);
i8042_write_command(command & 0xff);
for (i = 0; i < ((command >> 12) & 0xf); i++) {
error = i8042_wait_write();
if (error)
return error;
- dbg("%02x -> i8042 (parameter)", param[i]);
+ dbg("%02x -> i8042 (parameter)\n", param[i]);
i8042_write_data(param[i]);
}
for (i = 0; i < ((command >> 8) & 0xf); i++) {
error = i8042_wait_read();
if (error) {
- dbg(" -- i8042 (timeout)");
+ dbg(" -- i8042 (timeout)\n");
return error;
}
if (command == I8042_CMD_AUX_LOOP &&
!(i8042_read_status() & I8042_STR_AUXDATA)) {
- dbg(" -- i8042 (auxerr)");
+ dbg(" -- i8042 (auxerr)\n");
return -1;
}
param[i] = i8042_read_data();
- dbg("%02x <- i8042 (return)", param[i]);
+ dbg("%02x <- i8042 (return)\n", param[i]);
}
return 0;
@@ -309,7 +311,7 @@ static int i8042_kbd_write(struct serio *port, unsigned char c)
spin_lock_irqsave(&i8042_lock, flags);
if (!(retval = i8042_wait_write())) {
- dbg("%02x -> i8042 (kbd-data)", c);
+ dbg("%02x -> i8042 (kbd-data)\n", c);
i8042_write_data(c);
}
@@ -355,17 +357,14 @@ static void i8042_port_close(struct serio *serio)
i8042_ctr &= ~irq_bit;
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR))
- printk(KERN_WARNING
- "i8042.c: Can't write CTR while closing %s port.\n",
- port_name);
+ pr_warn("Can't write CTR while closing %s port\n", port_name);
udelay(50);
i8042_ctr &= ~disable_bit;
i8042_ctr |= irq_bit;
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR))
- printk(KERN_ERR "i8042.c: Can't reactivate %s port.\n",
- port_name);
+ pr_err("Can't reactivate %s port\n", port_name);
/*
* See if there is any data appeared while we were messing with
@@ -456,7 +455,8 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
str = i8042_read_status();
if (unlikely(~str & I8042_STR_OBF)) {
spin_unlock_irqrestore(&i8042_lock, flags);
- if (irq) dbg("Interrupt %d, without any data", irq);
+ if (irq)
+ dbg("Interrupt %d, without any data\n", irq);
ret = 0;
goto out;
}
@@ -469,7 +469,8 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
dfl = 0;
if (str & I8042_STR_MUXERR) {
- dbg("MUX error, status is %02x, data is %02x", str, data);
+ dbg("MUX error, status is %02x, data is %02x\n",
+ str, data);
/*
* When MUXERR condition is signalled the data register can only contain
* 0xfd, 0xfe or 0xff if implementation follows the spec. Unfortunately
@@ -512,7 +513,7 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
port = &i8042_ports[port_no];
serio = port->exists ? port->serio : NULL;
- dbg("%02x <- i8042 (interrupt, %d, %d%s%s)",
+ dbg("%02x <- i8042 (interrupt, %d, %d%s%s)\n",
data, port_no, irq,
dfl & SERIO_PARITY ? ", bad parity" : "",
dfl & SERIO_TIMEOUT ? ", timeout" : "");
@@ -540,7 +541,7 @@ static int i8042_enable_kbd_port(void)
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
i8042_ctr &= ~I8042_CTR_KBDINT;
i8042_ctr |= I8042_CTR_KBDDIS;
- printk(KERN_ERR "i8042.c: Failed to enable KBD port.\n");
+ pr_err("Failed to enable KBD port\n");
return -EIO;
}
@@ -559,7 +560,7 @@ static int i8042_enable_aux_port(void)
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
i8042_ctr &= ~I8042_CTR_AUXINT;
i8042_ctr |= I8042_CTR_AUXDIS;
- printk(KERN_ERR "i8042.c: Failed to enable AUX port.\n");
+ pr_err("Failed to enable AUX port\n");
return -EIO;
}
@@ -641,7 +642,7 @@ static int __init i8042_check_mux(void)
if (i8042_set_mux_mode(true, &mux_version))
return -1;
- printk(KERN_INFO "i8042.c: Detected active multiplexing controller, rev %d.%d.\n",
+ pr_info("Detected active multiplexing controller, rev %d.%d\n",
(mux_version >> 4) & 0xf, mux_version & 0xf);
/*
@@ -651,7 +652,7 @@ static int __init i8042_check_mux(void)
i8042_ctr &= ~I8042_CTR_AUXINT;
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
- printk(KERN_ERR "i8042.c: Failed to disable AUX port, can't use MUX.\n");
+ pr_err("Failed to disable AUX port, can't use MUX\n");
return -EIO;
}
@@ -676,8 +677,8 @@ static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id)
str = i8042_read_status();
if (str & I8042_STR_OBF) {
data = i8042_read_data();
- dbg("%02x <- i8042 (aux_test_irq, %s)",
- data, str & I8042_STR_AUXDATA ? "aux" : "kbd");
+ dbg("%02x <- i8042 (aux_test_irq, %s)\n",
+ data, str & I8042_STR_AUXDATA ? "aux" : "kbd");
if (i8042_irq_being_tested &&
data == 0xa5 && (str & I8042_STR_AUXDATA))
complete(&i8042_aux_irq_delivered);
@@ -770,8 +771,8 @@ static int __init i8042_check_aux(void)
*/
if (i8042_toggle_aux(false)) {
- printk(KERN_WARNING "Failed to disable AUX port, but continuing anyway... Is this a SiS?\n");
- printk(KERN_WARNING "If AUX port is really absent please use the 'i8042.noaux' option.\n");
+ pr_warn("Failed to disable AUX port, but continuing anyway... Is this a SiS?\n");
+ pr_warn("If AUX port is really absent please use the 'i8042.noaux' option\n");
}
if (i8042_toggle_aux(true))
@@ -819,7 +820,7 @@ static int __init i8042_check_aux(void)
* AUX IRQ was never delivered so we need to flush the controller to
* get rid of the byte we put there; otherwise keyboard may not work.
*/
- dbg(" -- i8042 (aux irq test timeout)");
+ dbg(" -- i8042 (aux irq test timeout)\n");
i8042_flush();
retval = -1;
}
@@ -845,7 +846,7 @@ static int __init i8042_check_aux(void)
static int i8042_controller_check(void)
{
if (i8042_flush() == I8042_BUFFER_SIZE) {
- printk(KERN_ERR "i8042.c: No controller found.\n");
+ pr_err("No controller found\n");
return -ENODEV;
}
@@ -864,15 +865,15 @@ static int i8042_controller_selftest(void)
do {
if (i8042_command(&param, I8042_CMD_CTL_TEST)) {
- printk(KERN_ERR "i8042.c: i8042 controller self test timeout.\n");
+ pr_err("i8042 controller self test timeout\n");
return -ENODEV;
}
if (param == I8042_RET_CTL_TEST)
return 0;
- printk(KERN_ERR "i8042.c: i8042 controller selftest failed. (%#x != %#x)\n",
- param, I8042_RET_CTL_TEST);
+ pr_err("i8042 controller selftest failed. (%#x != %#x)\n",
+ param, I8042_RET_CTL_TEST);
msleep(50);
} while (i++ < 5);
@@ -883,8 +884,7 @@ static int i8042_controller_selftest(void)
* and user will still get a working keyboard. This is especially
* important on netbooks. On other arches we trust hardware more.
*/
- printk(KERN_INFO
- "i8042: giving up on controller selftest, continuing anyway...\n");
+ pr_info("giving up on controller selftest, continuing anyway...\n");
return 0;
#else
return -EIO;
@@ -909,8 +909,7 @@ static int i8042_controller_init(void)
do {
if (n >= 10) {
- printk(KERN_ERR
- "i8042.c: Unable to get stable CTR read.\n");
+ pr_err("Unable to get stable CTR read\n");
return -EIO;
}
@@ -918,8 +917,7 @@ static int i8042_controller_init(void)
udelay(50);
if (i8042_command(&ctr[n++ % 2], I8042_CMD_CTL_RCTR)) {
- printk(KERN_ERR
- "i8042.c: Can't read CTR while initializing i8042.\n");
+ pr_err("Can't read CTR while initializing i8042\n");
return -EIO;
}
@@ -943,7 +941,7 @@ static int i8042_controller_init(void)
if (i8042_unlock)
i8042_ctr |= I8042_CTR_IGNKEYLOCK;
else
- printk(KERN_WARNING "i8042.c: Warning: Keylock active.\n");
+ pr_warn("Warning: Keylock active\n");
}
spin_unlock_irqrestore(&i8042_lock, flags);
@@ -970,7 +968,7 @@ static int i8042_controller_init(void)
*/
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
- printk(KERN_ERR "i8042.c: Can't write CTR while initializing i8042.\n");
+ pr_err("Can't write CTR while initializing i8042\n");
return -EIO;
}
@@ -1000,7 +998,7 @@ static void i8042_controller_reset(void)
i8042_ctr &= ~(I8042_CTR_KBDINT | I8042_CTR_AUXINT);
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR))
- printk(KERN_WARNING "i8042.c: Can't write CTR while resetting.\n");
+ pr_warn("Can't write CTR while resetting\n");
/*
* Disable MUX mode if present.
@@ -1021,7 +1019,7 @@ static void i8042_controller_reset(void)
*/
if (i8042_command(&i8042_initial_ctr, I8042_CMD_CTL_WCTR))
- printk(KERN_WARNING "i8042.c: Can't restore CTR.\n");
+ pr_warn("Can't restore CTR\n");
}
@@ -1045,14 +1043,14 @@ static long i8042_panic_blink(int state)
led = (state) ? 0x01 | 0x04 : 0;
while (i8042_read_status() & I8042_STR_IBF)
DELAY;
- dbg("%02x -> i8042 (panic blink)", 0xed);
+ dbg("%02x -> i8042 (panic blink)\n", 0xed);
i8042_suppress_kbd_ack = 2;
i8042_write_data(0xed); /* set leds */
DELAY;
while (i8042_read_status() & I8042_STR_IBF)
DELAY;
DELAY;
- dbg("%02x -> i8042 (panic blink)", led);
+ dbg("%02x -> i8042 (panic blink)\n", led);
i8042_write_data(led);
DELAY;
return delay;
@@ -1068,9 +1066,7 @@ static void i8042_dritek_enable(void)
error = i8042_command(&param, 0x1059);
if (error)
- printk(KERN_WARNING
- "Failed to enable DRITEK extension: %d\n",
- error);
+ pr_warn("Failed to enable DRITEK extension: %d\n", error);
}
#endif
@@ -1105,10 +1101,10 @@ static int i8042_controller_resume(bool force_reset)
i8042_ctr |= I8042_CTR_AUXDIS | I8042_CTR_KBDDIS;
i8042_ctr &= ~(I8042_CTR_AUXINT | I8042_CTR_KBDINT);
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
- printk(KERN_WARNING "i8042: Can't write CTR to resume, retrying...\n");
+ pr_warn("Can't write CTR to resume, retrying...\n");
msleep(50);
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
- printk(KERN_ERR "i8042: CTR write retry failed\n");
+ pr_err("CTR write retry failed\n");
return -EIO;
}
}
@@ -1121,9 +1117,7 @@ static int i8042_controller_resume(bool force_reset)
if (i8042_mux_present) {
if (i8042_set_mux_mode(true, NULL) || i8042_enable_mux_ports())
- printk(KERN_WARNING
- "i8042: failed to resume active multiplexor, "
- "mouse won't work.\n");
+ pr_warn("failed to resume active multiplexor, mouse won't work\n");
} else if (i8042_ports[I8042_AUX_PORT_NO].serio)
i8042_enable_aux_port();
diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h
index cbc1beb66574..ac1d759d0f55 100644
--- a/drivers/input/serio/i8042.h
+++ b/drivers/input/serio/i8042.h
@@ -89,15 +89,19 @@
#ifdef DEBUG
static unsigned long i8042_start_time;
#define dbg_init() do { i8042_start_time = jiffies; } while (0)
-#define dbg(format, arg...) \
- do { \
+#define dbg(format, arg...) \
+ do { \
if (i8042_debug) \
- printk(KERN_DEBUG __FILE__ ": " format " [%d]\n" , \
- ## arg, (int) (jiffies - i8042_start_time)); \
+ printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format, \
+ (int) (jiffies - i8042_start_time), ##arg); \
} while (0)
#else
#define dbg_init() do { } while (0)
-#define dbg(format, arg...) do {} while (0)
+#define dbg(format, arg...) \
+ do { \
+ if (0) \
+ printk(KERN_DEBUG pr_fmt(format), ##arg); \
+ } while (0)
#endif
#endif /* _I8042_H */
diff --git a/drivers/input/serio/ps2mult.c b/drivers/input/serio/ps2mult.c
index 6bce22e4e495..15aa81c9f1fb 100644
--- a/drivers/input/serio/ps2mult.c
+++ b/drivers/input/serio/ps2mult.c
@@ -207,7 +207,7 @@ static int ps2mult_connect(struct serio *serio, struct serio_driver *drv)
err_out:
while (--i >= 0)
kfree(psm->ports[i].serio);
- kfree(serio);
+ kfree(psm);
return error;
}
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 405bf214527c..db5b0bca1a1a 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -32,10 +32,9 @@
#include <linux/module.h>
#include <linux/serio.h>
#include <linux/errno.h>
-#include <linux/wait.h>
#include <linux/sched.h>
#include <linux/slab.h>
-#include <linux/kthread.h>
+#include <linux/workqueue.h>
#include <linux/mutex.h>
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
@@ -44,7 +43,7 @@ MODULE_LICENSE("GPL");
/*
* serio_mutex protects entire serio subsystem and is taken every time
- * serio port or driver registrered or unregistered.
+ * serio port or driver registered or unregistered.
*/
static DEFINE_MUTEX(serio_mutex);
@@ -165,58 +164,22 @@ struct serio_event {
static DEFINE_SPINLOCK(serio_event_lock); /* protects serio_event_list */
static LIST_HEAD(serio_event_list);
-static DECLARE_WAIT_QUEUE_HEAD(serio_wait);
-static struct task_struct *serio_task;
-static int serio_queue_event(void *object, struct module *owner,
- enum serio_event_type event_type)
+static struct serio_event *serio_get_event(void)
{
+ struct serio_event *event = NULL;
unsigned long flags;
- struct serio_event *event;
- int retval = 0;
spin_lock_irqsave(&serio_event_lock, flags);
- /*
- * Scan event list for the other events for the same serio port,
- * starting with the most recent one. If event is the same we
- * do not need add new one. If event is of different type we
- * need to add this event and should not look further because
- * we need to preseve sequence of distinct events.
- */
- list_for_each_entry_reverse(event, &serio_event_list, node) {
- if (event->object == object) {
- if (event->type == event_type)
- goto out;
- break;
- }
- }
-
- event = kmalloc(sizeof(struct serio_event), GFP_ATOMIC);
- if (!event) {
- pr_err("Not enough memory to queue event %d\n", event_type);
- retval = -ENOMEM;
- goto out;
- }
-
- if (!try_module_get(owner)) {
- pr_warning("Can't get module reference, dropping event %d\n",
- event_type);
- kfree(event);
- retval = -EINVAL;
- goto out;
+ if (!list_empty(&serio_event_list)) {
+ event = list_first_entry(&serio_event_list,
+ struct serio_event, node);
+ list_del_init(&event->node);
}
- event->type = event_type;
- event->object = object;
- event->owner = owner;
-
- list_add_tail(&event->node, &serio_event_list);
- wake_up(&serio_wait);
-
-out:
spin_unlock_irqrestore(&serio_event_lock, flags);
- return retval;
+ return event;
}
static void serio_free_event(struct serio_event *event)
@@ -250,25 +213,7 @@ static void serio_remove_duplicate_events(struct serio_event *event)
spin_unlock_irqrestore(&serio_event_lock, flags);
}
-
-static struct serio_event *serio_get_event(void)
-{
- struct serio_event *event = NULL;
- unsigned long flags;
-
- spin_lock_irqsave(&serio_event_lock, flags);
-
- if (!list_empty(&serio_event_list)) {
- event = list_first_entry(&serio_event_list,
- struct serio_event, node);
- list_del_init(&event->node);
- }
-
- spin_unlock_irqrestore(&serio_event_lock, flags);
- return event;
-}
-
-static void serio_handle_event(void)
+static void serio_handle_event(struct work_struct *work)
{
struct serio_event *event;
@@ -307,6 +252,59 @@ static void serio_handle_event(void)
mutex_unlock(&serio_mutex);
}
+static DECLARE_WORK(serio_event_work, serio_handle_event);
+
+static int serio_queue_event(void *object, struct module *owner,
+ enum serio_event_type event_type)
+{
+ unsigned long flags;
+ struct serio_event *event;
+ int retval = 0;
+
+ spin_lock_irqsave(&serio_event_lock, flags);
+
+ /*
+ * Scan event list for the other events for the same serio port,
+ * starting with the most recent one. If event is the same we
+ * do not need add new one. If event is of different type we
+ * need to add this event and should not look further because
+ * we need to preseve sequence of distinct events.
+ */
+ list_for_each_entry_reverse(event, &serio_event_list, node) {
+ if (event->object == object) {
+ if (event->type == event_type)
+ goto out;
+ break;
+ }
+ }
+
+ event = kmalloc(sizeof(struct serio_event), GFP_ATOMIC);
+ if (!event) {
+ pr_err("Not enough memory to queue event %d\n", event_type);
+ retval = -ENOMEM;
+ goto out;
+ }
+
+ if (!try_module_get(owner)) {
+ pr_warning("Can't get module reference, dropping event %d\n",
+ event_type);
+ kfree(event);
+ retval = -EINVAL;
+ goto out;
+ }
+
+ event->type = event_type;
+ event->object = object;
+ event->owner = owner;
+
+ list_add_tail(&event->node, &serio_event_list);
+ schedule_work(&serio_event_work);
+
+out:
+ spin_unlock_irqrestore(&serio_event_lock, flags);
+ return retval;
+}
+
/*
* Remove all events that have been submitted for a given
* object, be it serio port or driver.
@@ -356,18 +354,6 @@ static struct serio *serio_get_pending_child(struct serio *parent)
return child;
}
-static int serio_thread(void *nothing)
-{
- do {
- serio_handle_event();
- wait_event_interruptible(serio_wait,
- kthread_should_stop() || !list_empty(&serio_event_list));
- } while (!kthread_should_stop());
-
- return 0;
-}
-
-
/*
* Serio port operations
*/
@@ -1040,21 +1026,18 @@ static int __init serio_init(void)
return error;
}
- serio_task = kthread_run(serio_thread, NULL, "kseriod");
- if (IS_ERR(serio_task)) {
- bus_unregister(&serio_bus);
- error = PTR_ERR(serio_task);
- pr_err("Failed to start kseriod, error: %d\n", error);
- return error;
- }
-
return 0;
}
static void __exit serio_exit(void)
{
bus_unregister(&serio_bus);
- kthread_stop(serio_task);
+
+ /*
+ * There should not be any outstanding events but work may
+ * still be scheduled so simply cancel it.
+ */
+ cancel_work_sync(&serio_event_work);
}
subsys_initcall(serio_init);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 23:02:09 +0000