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Pull misc-for-upstream into release branch

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This commit is contained in:
Len Brown
2007-05-10 04:06:12 -04:00
parent f142051505 00eb43a189
commit f685648e7d
3 changed files with 31 additions and 23 deletions
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39
drivers/acpi/ec.c
View File

@@ -147,9 +147,10 @@ static inline int acpi_ec_check_status(struct acpi_ec *ec, enum ec_event event,
return 0; return 0;
} }
static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, unsigned count) static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event,
unsigned count, int force_poll)
{ {
if (acpi_ec_mode == EC_POLL) { if (unlikely(force_poll) || acpi_ec_mode == EC_POLL) {
unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY); unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY);
while (time_before(jiffies, delay)) { while (time_before(jiffies, delay)) {
if (acpi_ec_check_status(ec, event, 0)) if (acpi_ec_check_status(ec, event, 0))
@@ -173,14 +174,15 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, unsigned count)
static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
const u8 * wdata, unsigned wdata_len, const u8 * wdata, unsigned wdata_len,
u8 * rdata, unsigned rdata_len) u8 * rdata, unsigned rdata_len,
int force_poll)
{ {
int result = 0; int result = 0;
unsigned count = atomic_read(&ec->event_count); unsigned count = atomic_read(&ec->event_count);
acpi_ec_write_cmd(ec, command); acpi_ec_write_cmd(ec, command);
for (; wdata_len > 0; --wdata_len) { for (; wdata_len > 0; --wdata_len) {
result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, count); result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, count, force_poll);
if (result) { if (result) {
printk(KERN_ERR PREFIX printk(KERN_ERR PREFIX
"write_cmd timeout, command = %d\n", command); "write_cmd timeout, command = %d\n", command);
@@ -191,7 +193,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
} }
if (!rdata_len) { if (!rdata_len) {
result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, count); result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, count, force_poll);
if (result) { if (result) {
printk(KERN_ERR PREFIX printk(KERN_ERR PREFIX
"finish-write timeout, command = %d\n", command); "finish-write timeout, command = %d\n", command);
@@ -202,7 +204,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
} }
for (; rdata_len > 0; --rdata_len) { for (; rdata_len > 0; --rdata_len) {
result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF_1, count); result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF_1, count, force_poll);
if (result) { if (result) {
printk(KERN_ERR PREFIX "read timeout, command = %d\n", printk(KERN_ERR PREFIX "read timeout, command = %d\n",
command); command);
@@ -217,7 +219,8 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
const u8 * wdata, unsigned wdata_len, const u8 * wdata, unsigned wdata_len,
u8 * rdata, unsigned rdata_len) u8 * rdata, unsigned rdata_len,
int force_poll)
{ {
int status; int status;
u32 glk; u32 glk;
@@ -240,7 +243,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
/* Make sure GPE is enabled before doing transaction */ /* Make sure GPE is enabled before doing transaction */
acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR);
status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, 0); status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, 0, 0);
if (status) { if (status) {
printk(KERN_DEBUG PREFIX printk(KERN_DEBUG PREFIX
"input buffer is not empty, aborting transaction\n"); "input buffer is not empty, aborting transaction\n");
@@ -249,7 +252,8 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
status = acpi_ec_transaction_unlocked(ec, command, status = acpi_ec_transaction_unlocked(ec, command,
wdata, wdata_len, wdata, wdata_len,
rdata, rdata_len); rdata, rdata_len,
force_poll);
end: end:
@@ -267,12 +271,12 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
int acpi_ec_burst_enable(struct acpi_ec *ec) int acpi_ec_burst_enable(struct acpi_ec *ec)
{ {
u8 d; u8 d;
return acpi_ec_transaction(ec, ACPI_EC_BURST_ENABLE, NULL, 0, &d, 1); return acpi_ec_transaction(ec, ACPI_EC_BURST_ENABLE, NULL, 0, &d, 1, 0);
} }
int acpi_ec_burst_disable(struct acpi_ec *ec) int acpi_ec_burst_disable(struct acpi_ec *ec)
{ {
return acpi_ec_transaction(ec, ACPI_EC_BURST_DISABLE, NULL, 0, NULL, 0); return acpi_ec_transaction(ec, ACPI_EC_BURST_DISABLE, NULL, 0, NULL, 0, 0);
} }
static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 * data) static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 * data)
@@ -281,7 +285,7 @@ static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 * data)
u8 d; u8 d;
result = acpi_ec_transaction(ec, ACPI_EC_COMMAND_READ, result = acpi_ec_transaction(ec, ACPI_EC_COMMAND_READ,
&address, 1, &d, 1); &address, 1, &d, 1, 0);
*data = d; *data = d;
return result; return result;
} }
@@ -290,7 +294,7 @@ static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data)
{ {
u8 wdata[2] = { address, data }; u8 wdata[2] = { address, data };
return acpi_ec_transaction(ec, ACPI_EC_COMMAND_WRITE, return acpi_ec_transaction(ec, ACPI_EC_COMMAND_WRITE,
wdata, 2, NULL, 0); wdata, 2, NULL, 0, 0);
} }
/* /*
@@ -349,13 +353,15 @@ EXPORT_SYMBOL(ec_write);
int ec_transaction(u8 command, int ec_transaction(u8 command,
const u8 * wdata, unsigned wdata_len, const u8 * wdata, unsigned wdata_len,
u8 * rdata, unsigned rdata_len) u8 * rdata, unsigned rdata_len,
int force_poll)
{ {
if (!first_ec) if (!first_ec)
return -ENODEV; return -ENODEV;
return acpi_ec_transaction(first_ec, command, wdata, return acpi_ec_transaction(first_ec, command, wdata,
wdata_len, rdata, rdata_len); wdata_len, rdata, rdata_len,
force_poll);
} }
EXPORT_SYMBOL(ec_transaction); EXPORT_SYMBOL(ec_transaction);
@@ -374,7 +380,7 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 * data)
* bit to be cleared (and thus clearing the interrupt source). * bit to be cleared (and thus clearing the interrupt source).
*/ */
result = acpi_ec_transaction(ec, ACPI_EC_COMMAND_QUERY, NULL, 0, &d, 1); result = acpi_ec_transaction(ec, ACPI_EC_COMMAND_QUERY, NULL, 0, &d, 1, 0);
if (result) if (result)
return result; return result;
@@ -410,6 +416,7 @@ static u32 acpi_ec_gpe_handler(void *data)
acpi_status status = AE_OK; acpi_status status = AE_OK;
u8 value; u8 value;
struct acpi_ec *ec = data; struct acpi_ec *ec = data;
atomic_inc(&ec->event_count); atomic_inc(&ec->event_count);
if (acpi_ec_mode == EC_INTR) { if (acpi_ec_mode == EC_INTR) {

12
drivers/misc/msi-laptop.c
View File

@@ -85,7 +85,7 @@ static int set_lcd_level(int level)
buf[0] = 0x80; buf[0] = 0x80;
buf[1] = (u8) (level*31); buf[1] = (u8) (level*31);
return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, buf, sizeof(buf), NULL, 0); return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, buf, sizeof(buf), NULL, 0, 1);
} }
static int get_lcd_level(void) static int get_lcd_level(void)
@@ -93,7 +93,7 @@ static int get_lcd_level(void)
u8 wdata = 0, rdata; u8 wdata = 0, rdata;
int result; int result;
result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1, &rdata, 1); result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1, &rdata, 1, 1);
if (result < 0) if (result < 0)
return result; return result;
@@ -105,7 +105,7 @@ static int get_auto_brightness(void)
u8 wdata = 4, rdata; u8 wdata = 4, rdata;
int result; int result;
result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1, &rdata, 1); result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1, &rdata, 1, 1);
if (result < 0) if (result < 0)
return result; return result;
@@ -119,14 +119,14 @@ static int set_auto_brightness(int enable)
wdata[0] = 4; wdata[0] = 4;
result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 1, &rdata, 1); result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 1, &rdata, 1, 1);
if (result < 0) if (result < 0)
return result; return result;
wdata[0] = 0x84; wdata[0] = 0x84;
wdata[1] = (rdata & 0xF7) | (enable ? 8 : 0); wdata[1] = (rdata & 0xF7) | (enable ? 8 : 0);
return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 2, NULL, 0); return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 2, NULL, 0, 1);
} }
static int get_wireless_state(int *wlan, int *bluetooth) static int get_wireless_state(int *wlan, int *bluetooth)
@@ -134,7 +134,7 @@ static int get_wireless_state(int *wlan, int *bluetooth)
u8 wdata = 0, rdata; u8 wdata = 0, rdata;
int result; int result;
result = ec_transaction(MSI_EC_COMMAND_WIRELESS, &wdata, 1, &rdata, 1); result = ec_transaction(MSI_EC_COMMAND_WIRELESS, &wdata, 1, &rdata, 1, 1);
if (result < 0) if (result < 0)
return -1; return -1;

3
include/linux/acpi.h
View File

@@ -182,7 +182,8 @@ extern int ec_read(u8 addr, u8 *val);
extern int ec_write(u8 addr, u8 val); extern int ec_write(u8 addr, u8 val);
extern int ec_transaction(u8 command, extern int ec_transaction(u8 command,
const u8 *wdata, unsigned wdata_len, const u8 *wdata, unsigned wdata_len,
u8 *rdata, unsigned rdata_len); u8 *rdata, unsigned rdata_len,
int force_poll);
#endif /*CONFIG_ACPI_EC*/ #endif /*CONFIG_ACPI_EC*/