Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

[cascardo/linux.git] / drivers / net / tg3.c

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 6a736dd..201be42 100644 (file)
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -2190,7 +2190,14 @@ static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
        if (!(tmp & EEPROM_ADDR_COMPLETE))
                return -EBUSY;
 
-       *val = tr32(GRC_EEPROM_DATA);
+       tmp = tr32(GRC_EEPROM_DATA);
+
+       /*
+        * The data will always be opposite the native endian
+        * format.  Perform a blind byteswap to compensate.
+        */
+       *val = swab32(tmp);
+
        return 0;
 }
 
@@ -10663,7 +10670,13 @@ static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
 
                memcpy(&data, buf + i, 4);
 
-               tw32(GRC_EEPROM_DATA, be32_to_cpu(data));
+               /*
+                * The SEEPROM interface expects the data to always be opposite
+                * the native endian format.  We accomplish this by reversing
+                * all the operations that would have been performed on the
+                * data from a call to tg3_nvram_read_be32().
+                */
+               tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
 
                val = tr32(GRC_EEPROM_ADDR);
                tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);