From: Amit Kumar Salecha <amit@qlogic.com>
Date: Fri, 11 Sep 2009 11:28:11 +0000 (+0000)
Subject: netxen: change firmware write size
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f78c0850d2ebe7a44a4b0263480a2f1a36a92218;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

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>
---

diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 485b947932a..8926b0e0c8b 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);