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Date: Fri, 30 Nov 2007 23:13:16 +0100 (CET)
From: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To: netdev@...r.kernel.org
cc: jgarzik@...ox.com
Subject: [PATCH] LIB82596: correct data types for hardware addresses
dma_addr_t is 64bit wide on some architectures (for example 64bit MIPS),
so it's not a good idea to use it for 32bit wide addresses in descriptors.
Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
---
drivers/net/lib82596.c | 50 ++++++++++++++++++++++++------------------------
1 files changed, 25 insertions(+), 25 deletions(-)
diff --git a/drivers/net/lib82596.c b/drivers/net/lib82596.c
index 9a855e5..b59f442 100644
--- a/drivers/net/lib82596.c
+++ b/drivers/net/lib82596.c
@@ -176,8 +176,8 @@ struct i596_reg {
struct i596_tbd {
unsigned short size;
unsigned short pad;
- dma_addr_t next;
- dma_addr_t data;
+ u32 next;
+ u32 data;
u32 cache_pad[5]; /* Total 32 bytes... */
};
@@ -195,12 +195,12 @@ struct i596_cmd {
struct i596_cmd *v_next; /* Address from CPUs viewpoint */
unsigned short status;
unsigned short command;
- dma_addr_t b_next; /* Address from i596 viewpoint */
+ u32 b_next; /* Address from i596 viewpoint */
};
struct tx_cmd {
struct i596_cmd cmd;
- dma_addr_t tbd;
+ u32 tbd;
unsigned short size;
unsigned short pad;
struct sk_buff *skb; /* So we can free it after tx */
@@ -237,8 +237,8 @@ struct cf_cmd {
struct i596_rfd {
unsigned short stat;
unsigned short cmd;
- dma_addr_t b_next; /* Address from i596 viewpoint */
- dma_addr_t rbd;
+ u32 b_next; /* Address from i596 viewpoint */
+ u32 rbd;
unsigned short count;
unsigned short size;
struct i596_rfd *v_next; /* Address from CPUs viewpoint */
@@ -249,18 +249,18 @@ struct i596_rfd {
};
struct i596_rbd {
- /* hardware data */
- unsigned short count;
- unsigned short zero1;
- dma_addr_t b_next;
- dma_addr_t b_data; /* Address from i596 viewpoint */
- unsigned short size;
- unsigned short zero2;
- /* driver data */
- struct sk_buff *skb;
- struct i596_rbd *v_next;
- dma_addr_t b_addr; /* This rbd addr from i596 view */
- unsigned char *v_data; /* Address from CPUs viewpoint */
+ /* hardware data */
+ unsigned short count;
+ unsigned short zero1;
+ u32 b_next;
+ u32 b_data; /* Address from i596 viewpoint */
+ unsigned short size;
+ unsigned short zero2;
+ /* driver data */
+ struct sk_buff *skb;
+ struct i596_rbd *v_next;
+ u32 b_addr; /* This rbd addr from i596 view */
+ unsigned char *v_data; /* Address from CPUs viewpoint */
/* Total 32 bytes... */
#ifdef __LP64__
u32 cache_pad[4];
@@ -275,8 +275,8 @@ struct i596_rbd {
struct i596_scb {
unsigned short status;
unsigned short command;
- dma_addr_t cmd;
- dma_addr_t rfd;
+ u32 cmd;
+ u32 rfd;
u32 crc_err;
u32 align_err;
u32 resource_err;
@@ -288,14 +288,14 @@ struct i596_scb {
};
struct i596_iscp {
- u32 stat;
- dma_addr_t scb;
+ u32 stat;
+ u32 scb;
};
struct i596_scp {
- u32 sysbus;
- u32 pad;
- dma_addr_t iscp;
+ u32 sysbus;
+ u32 pad;
+ u32 iscp;
};
struct i596_dma {
-
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