[RFC PATCH 1/9] apple-gmux: use cpu_to_be32 instead of manual reorder

[Orlando Chamberlain]

Currently it manually flips the byte order, but we can instead use
cpu_to_be32(val) for this.

Signed-off-by: Orlando Chamberlain <orlandoch....@gmail.com>
---
 drivers/platform/x86/apple-gmux.c | 18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)

diff --git a/drivers/platform/x86/apple-gmux.c 
b/drivers/platform/x86/apple-gmux.c
index 9333f82cfa8a..e8cb084cb81f 100644
--- a/drivers/platform/x86/apple-gmux.c
+++ b/drivers/platform/x86/apple-gmux.c
@@ -94,13 +94,7 @@ static u32 gmux_pio_read32(struct apple_gmux_data 
*gmux_data, int port)
 static void gmux_pio_write32(struct apple_gmux_data *gmux_data, int port,
                             u32 val)
 {
-       int i;
-       u8 tmpval;
-
-       for (i = 0; i < 4; i++) {
-               tmpval = (val >> (i * 8)) & 0xff;
-               outb(tmpval, gmux_data->iostart + port + i);
-       }
+       outl(cpu_to_be32(val), gmux_data->iostart + port);
 }
 
 static int gmux_index_wait_ready(struct apple_gmux_data *gmux_data)
@@ -177,16 +171,8 @@ static u32 gmux_index_read32(struct apple_gmux_data 
*gmux_data, int port)
 static void gmux_index_write32(struct apple_gmux_data *gmux_data, int port,
                               u32 val)
 {
-       int i;
-       u8 tmpval;
-
        mutex_lock(&gmux_data->index_lock);
-
-       for (i = 0; i < 4; i++) {
-               tmpval = (val >> (i * 8)) & 0xff;
-               outb(tmpval, gmux_data->iostart + GMUX_PORT_VALUE + i);
-       }
-
+       outl(cpu_to_be32(val), gmux_data->iostart + GMUX_PORT_VALUE);
        gmux_index_wait_ready(gmux_data);
        outb(port & 0xff, gmux_data->iostart + GMUX_PORT_WRITE);
        gmux_index_wait_complete(gmux_data);
-- 
2.39.1