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Merge branches 'acpica-fixes' and 'acpi-ec-fixes'

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* acpica-fixes:
  Revert "ACPI 2.0 / AML: Improve module level execution by moving the If/Else/While execution to per-table basis"
  Revert "ACPICA: Namespace: Fix deadlock triggered by MLC support in dynamic table loading"
  Revert "ACPICA: Namespace: Fix namespace/interpreter lock ordering"

* acpi-ec-fixes:
  ACPI / EC: Fix code ordering issue in ec_remove_handlers()
This commit is contained in:
Rafael J. Wysocki 2016-07-12 22:03:14 +02:00
commit d0420d20ba
1 changed files with 13 additions and 2 deletions
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15
drivers/acpi/ec.c
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@ -1331,8 +1331,6 @@ static int ec_install_handlers(struct acpi_ec *ec)
static void ec_remove_handlers(struct acpi_ec *ec)
{
acpi_ec_stop(ec, false);
if (test_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags)) {
if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle,
ACPI_ADR_SPACE_EC, &acpi_ec_space_handler)))
@ -1340,6 +1338,19 @@ static void ec_remove_handlers(struct acpi_ec *ec)
clear_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags);
}
/*
* Stops handling the EC transactions after removing the operation
* region handler. This is required because _REG(DISCONNECT)
* invoked during the removal can result in new EC transactions.
*
* Flushes the EC requests and thus disables the GPE before
* removing the GPE handler. This is required by the current ACPICA
* GPE core. ACPICA GPE core will automatically disable a GPE when
* it is indicated but there is no way to handle it. So the drivers
* must disable the GPEs prior to removing the GPE handlers.
*/
acpi_ec_stop(ec, false);
if (test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags)) {
if (ACPI_FAILURE(acpi_remove_gpe_handler(NULL, ec->gpe,
&acpi_ec_gpe_handler)))