From f78c0850d2ebe7a44a4b0263480a2f1a36a92218 Mon Sep 17 00:00:00 2001
From: Amit Kumar Salecha <amit@qlogic.com>
Date: Fri, 11 Sep 2009 11:28:11 +0000
Subject: [PATCH] netxen: change firmware write size
Use 8 byte strides for firmware download into card
memory since oncard memory controller needs 8 byte
(64 bit) accesses. This avoids unnecessary rmw cycles.
Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/netxen/netxen_nic_init.c | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 485b947932a1..8926b0e0c8bc 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -727,21 +727,28 @@ netxen_load_firmware(struct netxen_adapter *adapter)
flashaddr += 8;
}
} else {
- u32 data;
+ u64 data;
+ u32 hi, lo;
- size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 4;
+ size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 8;
flashaddr = NETXEN_BOOTLD_START;
for (i = 0; i < size; i++) {
if (netxen_rom_fast_read(adapter,
- flashaddr, (int *)&data) != 0)
+ flashaddr, &lo) != 0)
+ return -EIO;
+ if (netxen_rom_fast_read(adapter,
+ flashaddr + 4, &hi) != 0)
return -EIO;
+ /* hi, lo are already in host endian byteorder */
+ data = (((u64)hi << 32) | lo);
+
if (adapter->pci_mem_write(adapter,
- flashaddr, &data, 4))
+ flashaddr, &data, 8))
return -EIO;
- flashaddr += 4;
+ flashaddr += 8;
}
}
msleep(1);
--
GitLab