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authorYork Sun <yorksun@freescale.com>2014-10-17 13:44:06 -0700
committerStefan Agner <stefan.agner@toradex.com>2014-10-23 11:11:05 +0200
commitf56d52eb5419325cecac674156b200ed61f82ed6 (patch)
treee215f580833881747019d75ec2beb8dd1df206e4
parent752aae30a791326581efafbb761c0cebaba8d3ea (diff)
net/e1000: Fix EEPROM access error
Commit 951860634fdb557bbb58e0f99215391bc0c29779 may have changed the logic unintentially from "if (!(swfw_sync & (fwmask | swmask)))" to "if ((swfw_sync & swmask) && !(swfw_sync & fwmask))". This change breaks some e1000 NIC with a message "ERROR: Unable to read EEPROM!". Signed-off-by: York Sun <yorksun@freescale.com> CC: Marek Vasut <marex@denx.de> CC: Tim Harvey <tharvey@gateworks.com>
-rw-r--r--drivers/net/e1000.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index 3c9115cfd6..a13c03b8c9 100644
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -1116,7 +1116,7 @@ e1000_swfw_sync_acquire(struct e1000_hw *hw, uint16_t mask)
return -E1000_ERR_SWFW_SYNC;
swfw_sync = E1000_READ_REG(hw, SW_FW_SYNC);
- if ((swfw_sync & swmask) && !(swfw_sync & fwmask))
+ if (!(swfw_sync & (fwmask | swmask)))
break;
/* firmware currently using resource (fwmask) */