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authorPunnaiah Choudary Kalluri <punnaiah.choudary.kalluri@xilinx.com>2015-03-05 15:02:10 +0100
committerDavid S. Miller <davem@davemloft.net>2015-03-06 04:19:24 +0100
commitd941bebf5e89478f480038ea30d194537eb64311 (patch)
tree73b8e5cf7a21d0e9de1d3f549ece602dd02785fc /drivers
parentnet: gianfar: correctly determine the number of queue groups (diff)
downloadlinux-d941bebf5e89478f480038ea30d194537eb64311.tar.xz
linux-d941bebf5e89478f480038ea30d194537eb64311.zip
net: macb: Correct the MID field length value
The latest spec "I-IPA01-0266-USR Rev 10" limit the MID field length to 12 bit value. For previous versions it is 16 bit value. This change will not break the backward compatibility as the latest ID value is 7 and with in the 12 bit value limit. Signed-off-by: Punnaiah Choudary Kalluri <punnaia@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/cadence/macb.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index 31dc080f2437..ff85619a9732 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -351,7 +351,7 @@
/* Bitfields in MID */
#define MACB_IDNUM_OFFSET 16
-#define MACB_IDNUM_SIZE 16
+#define MACB_IDNUM_SIZE 12
#define MACB_REV_OFFSET 0
#define MACB_REV_SIZE 16