openwrtv3/target/linux/mpc83xx/patches-2.6.36/110-etsec27_war.patch
Alexandros C. Couloumbis e8e1084654 linux/mpc83xx: add preliminary 2.6.36 kernel support
SVN-Revision: 23633
2010-10-25 17:59:14 +00:00

17 lines
469 B
Diff

--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1002,6 +1002,14 @@ static int gfar_probe(struct platform_de
udelay(2);
tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
+ /*
+ * Do not enable flow control on chips earlier than rev 1.1,
+ * because of the eTSEC27 erratum
+ */
+ tempval = 0;
+ if (mfspr(SPRN_SVR) & 0xffff >= 0x0011)
+ tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
+
gfar_write(&regs->maccfg1, tempval);
/* Initialize MACCFG2. */