tcp: Restore ordering of TCP options for the sake of inter-operability

[linux-2.6-omap-h63xx.git] / drivers / acpi / ec.c

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 5622aee996b2046a788f6db842925d0dd74aad7b..13593f9f21970ec79af46f62b0233689065e848d 100644 (file)
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -110,6 +110,31 @@ static struct acpi_ec {
        u8 handlers_installed;
 } *boot_ec, *first_ec;
 
+/* 
+ * Some Asus system have exchanged ECDT data/command IO addresses.
+ */
+static int print_ecdt_error(const struct dmi_system_id *id)
+{
+       printk(KERN_NOTICE PREFIX "%s detected - "
+               "ECDT has exchanged control/data I/O address\n",
+               id->ident);
+       return 0;
+}
+
+static struct dmi_system_id __cpuinitdata ec_dmi_table[] = {
+       {
+       print_ecdt_error, "Asus L4R", {
+       DMI_MATCH(DMI_BIOS_VERSION, "1008.006"),
+       DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),
+       DMI_MATCH(DMI_BOARD_NAME, "L4R") }, NULL},
+       {
+       print_ecdt_error, "Asus M6R", {
+       DMI_MATCH(DMI_BIOS_VERSION, "0207"),
+       DMI_MATCH(DMI_PRODUCT_NAME, "M6R"),
+       DMI_MATCH(DMI_BOARD_NAME, "M6R") }, NULL},
+       {},
+};
+
 /* --------------------------------------------------------------------------
                              Transaction Management
    -------------------------------------------------------------------------- */
@@ -196,6 +221,8 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll)
                                return 0;
                        msleep(1);
                }
+               if (acpi_ec_check_status(ec,event))
+                       return 0;
        }
        pr_err(PREFIX "acpi_ec_wait timeout, status = 0x%2.2x, event = %s\n",
                acpi_ec_read_status(ec),
@@ -911,6 +938,15 @@ int __init acpi_ec_ecdt_probe(void)
                pr_info(PREFIX "EC description table is found, configuring boot EC\n");
                boot_ec->command_addr = ecdt_ptr->control.address;
                boot_ec->data_addr = ecdt_ptr->data.address;
+               if (dmi_check_system(ec_dmi_table)) {
+                       /*
+                        * If the board falls into ec_dmi_table, it means
+                        * that ECDT table gives the incorrect command/status
+                        * & data I/O address. Just fix it.
+                        */
+                       boot_ec->data_addr = ecdt_ptr->control.address;
+                       boot_ec->command_addr = ecdt_ptr->data.address;
+               }
                boot_ec->gpe = ecdt_ptr->gpe;
                boot_ec->handle = ACPI_ROOT_OBJECT;
                acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id, &boot_ec->handle);