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/home/lenb/linux-2.6 branch 'acpi-2.6.12'

This commit is contained in:
Luming Yu 2005-07-23 00:34:41 -04:00 коммит произвёл Len Brown
Родитель 72538d8565 668d74c04c
Коммит 8ed693d29b
1 изменённых файлов: 3 добавлений и 14 удалений
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15
drivers/acpi/ec.c
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@ -170,22 +170,19 @@ acpi_ec_enter_burst_mode (
status = acpi_ec_read_status(ec); status = acpi_ec_read_status(ec);
if (status != -EINVAL && if (status != -EINVAL &&
!(status & ACPI_EC_FLAG_BURST)){ !(status & ACPI_EC_FLAG_BURST)){
ACPI_DEBUG_PRINT((ACPI_DB_INFO,"entering burst mode \n"));
acpi_hw_low_level_write(8, ACPI_EC_BURST_ENABLE, &ec->command_addr); acpi_hw_low_level_write(8, ACPI_EC_BURST_ENABLE, &ec->command_addr);
status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF); status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
if (status){ if (status){
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR," status = %d\n", status));
return_VALUE(-EINVAL); return_VALUE(-EINVAL);
} }
acpi_hw_low_level_read(8, &tmp, &ec->data_addr); acpi_hw_low_level_read(8, &tmp, &ec->data_addr);
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
if(tmp != 0x90 ) {/* Burst ACK byte*/ if(tmp != 0x90 ) {/* Burst ACK byte*/
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,"Ack failed \n"));
return_VALUE(-EINVAL); return_VALUE(-EINVAL);
} }
} else }
ACPI_DEBUG_PRINT((ACPI_DB_INFO,"already be in burst mode \n"));
atomic_set(&ec->leaving_burst , 0); atomic_set(&ec->leaving_burst , 0);
return_VALUE(0); return_VALUE(0);
} }
@ -202,7 +199,6 @@ acpi_ec_leave_burst_mode (
status = acpi_ec_read_status(ec); status = acpi_ec_read_status(ec);
if (status != -EINVAL && if (status != -EINVAL &&
(status & ACPI_EC_FLAG_BURST)){ (status & ACPI_EC_FLAG_BURST)){
ACPI_DEBUG_PRINT((ACPI_DB_INFO,"leaving burst mode\n"));
acpi_hw_low_level_write(8, ACPI_EC_BURST_DISABLE, &ec->command_addr); acpi_hw_low_level_write(8, ACPI_EC_BURST_DISABLE, &ec->command_addr);
status = acpi_ec_wait(ec, ACPI_EC_FLAG_IBF); status = acpi_ec_wait(ec, ACPI_EC_FLAG_IBF);
if (status){ if (status){
@ -212,14 +208,7 @@ acpi_ec_leave_burst_mode (
} }
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
status = acpi_ec_read_status(ec); status = acpi_ec_read_status(ec);
if (status != -EINVAL &&
(status & ACPI_EC_FLAG_BURST)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,"------->status fail\n"));
return_VALUE(-EINVAL);
} }
}else
ACPI_DEBUG_PRINT((ACPI_DB_INFO,"already be in Non-burst mode \n"));
ACPI_DEBUG_PRINT((ACPI_DB_INFO,"leaving burst mode\n"));
return_VALUE(0); return_VALUE(0);
} }