mm: vmalloc fix lazy unmapping cache aliasing

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

diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index bcf2c70fca87f498b9a3c5af5e0037248c488b37..e53e590252c01346e09ab317d6595cc218d3a72f 100644 (file)
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -107,6 +107,13 @@ static int wait_transaction_complete(struct acpi_smb_hc *hc, int timeout)
        if (wait_event_timeout(hc->wait, smb_check_done(hc),
                               msecs_to_jiffies(timeout)))
                return 0;
+       /*
+        * After the timeout happens, OS will try to check the status of SMbus.
+        * If the status is what OS expected, it will be regarded as the bogus
+        * timeout.
+        */
+       if (smb_check_done(hc))
+               return 0;
        else
                return -ETIME;
 }
@@ -251,7 +258,7 @@ extern int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
 static int acpi_smbus_hc_add(struct acpi_device *device)
 {
        int status;
-       unsigned long val;
+       unsigned long long val;
        struct acpi_smb_hc *hc;
 
        if (!device)
@@ -275,7 +282,7 @@ static int acpi_smbus_hc_add(struct acpi_device *device)
        hc->ec = acpi_driver_data(device->parent);
        hc->offset = (val >> 8) & 0xff;
        hc->query_bit = val & 0xff;
-       acpi_driver_data(device) = hc;
+       device->driver_data = hc;
 
        acpi_ec_add_query_handler(hc->ec, hc->query_bit, NULL, smbus_alarm, hc);
        printk(KERN_INFO PREFIX "SBS HC: EC = 0x%p, offset = 0x%0x, query_bit = 0x%0x\n",
@@ -296,7 +303,7 @@ static int acpi_smbus_hc_remove(struct acpi_device *device, int type)
        hc = acpi_driver_data(device);
        acpi_ec_remove_query_handler(hc->ec, hc->query_bit);
        kfree(hc);
-       acpi_driver_data(device) = NULL;
+       device->driver_data = NULL;
        return 0;
 }