X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Facpi%2Fec.c;h=f2234db85da041ae72b450ef7b73c102000933e1;hb=541adf7cd937b3895c7645406a9b060504df453b;hp=35ba2547f544080067e417504987e0bdd4e87f58;hpb=336f5899d287f06d8329e208fc14ce50f7ec9698;p=pandora-kernel.git

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 35ba2547f544..f2234db85da0 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -629,12 +629,12 @@ static u32 acpi_ec_gpe_handler(void *data)
 
 static acpi_status
 acpi_ec_space_handler(u32 function, acpi_physical_address address,
-		      u32 bits, u64 *value,
+		      u32 bits, u64 *value64,
 		      void *handler_context, void *region_context)
 {
 	struct acpi_ec *ec = handler_context;
-	int result = 0, i;
-	u8 temp = 0;
+	int result = 0, i, bytes = bits / 8;
+	u8 *value = (u8 *)value64;
 
 	if ((address > 0xFF) || !value || !handler_context)
 		return AE_BAD_PARAMETER;
@@ -642,32 +642,15 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
 	if (function != ACPI_READ && function != ACPI_WRITE)
 		return AE_BAD_PARAMETER;
 
-	if (bits != 8 && acpi_strict)
-		return AE_BAD_PARAMETER;
-
-	if (EC_FLAGS_MSI)
+	if (EC_FLAGS_MSI || bits > 8)
 		acpi_ec_burst_enable(ec);
 
-	if (function == ACPI_READ) {
-		result = acpi_ec_read(ec, address, &temp);
-		*value = temp;
-	} else {
-		temp = 0xff & (*value);
-		result = acpi_ec_write(ec, address, temp);
-	}
-
-	for (i = 8; unlikely(bits - i > 0); i += 8) {
-		++address;
-		if (function == ACPI_READ) {
-			result = acpi_ec_read(ec, address, &temp);
-			(*value) |= ((u64)temp) << i;
-		} else {
-			temp = 0xff & ((*value) >> i);
-			result = acpi_ec_write(ec, address, temp);
-		}
-	}
+	for (i = 0; i < bytes; ++i, ++address, ++value)
+		result = (function == ACPI_READ) ?
+			acpi_ec_read(ec, address, value) :
+			acpi_ec_write(ec, address, *value);
 
-	if (EC_FLAGS_MSI)
+	if (EC_FLAGS_MSI || bits > 8)
 		acpi_ec_burst_disable(ec);
 
 	switch (result) {