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Date: Mon, 15 Aug 2011 12:57:14 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: netdev@...r.kernel.org
Cc: Wolfram Sang <w.sang@...gutronix.de>,
socketcan-core@...ts.berlios.de,
Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH] net/can/mscan: add __iomem annotations
This patch fixes the following sparse warning by adding the missing
__iomem annotation.
drivers/net/can/mscan/mscan.c:73:32: warning: incorrect type in argument 1 (different address spaces)
drivers/net/can/mscan/mscan.c:73:32: expected unsigned char volatile [noderef] [usertype] <asn:2>*addr
drivers/net/can/mscan/mscan.c:73:32: got unsigned char *<noident>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
This patch applies so current net-next-2.6/master and can be pulled:
The following changes since commit b333293058aa2d401737c7246bce58f8ba00906d:
qeth: add support for af_iucv HiperSockets transport (2011-08-13 01:10:17 -0700)
are available in the git repository at:
git://git.pengutronix.de/git/mkl/linux-2.6.git can/mscan
Marc Kleine-Budde (1):
net/can/mscan: add __iomem annotations
drivers/net/can/mscan/mscan.c | 26 +++++++++++++-------------
1 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 92feac6..ac42f5d 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -62,7 +62,7 @@ static enum can_state state_map[] = {
static int mscan_set_mode(struct net_device *dev, u8 mode)
{
struct mscan_priv *priv = netdev_priv(dev);
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
int ret = 0;
int i;
u8 canctl1;
@@ -138,7 +138,7 @@ static int mscan_set_mode(struct net_device *dev, u8 mode)
static int mscan_start(struct net_device *dev)
{
struct mscan_priv *priv = netdev_priv(dev);
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
u8 canrflg;
int err;
@@ -178,7 +178,7 @@ static int mscan_restart(struct net_device *dev)
struct mscan_priv *priv = netdev_priv(dev);
if (priv->type == MSCAN_TYPE_MPC5121) {
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
priv->can.state = CAN_STATE_ERROR_ACTIVE;
WARN(!(in_8(®s->canmisc) & MSCAN_BOHOLD),
@@ -199,7 +199,7 @@ static netdev_tx_t mscan_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct can_frame *frame = (struct can_frame *)skb->data;
struct mscan_priv *priv = netdev_priv(dev);
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
int i, rtr, buf_id;
u32 can_id;
@@ -305,7 +305,7 @@ static enum can_state check_set_state(struct net_device *dev, u8 canrflg)
static void mscan_get_rx_frame(struct net_device *dev, struct can_frame *frame)
{
struct mscan_priv *priv = netdev_priv(dev);
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
u32 can_id;
int i;
@@ -343,7 +343,7 @@ static void mscan_get_err_frame(struct net_device *dev, struct can_frame *frame,
u8 canrflg)
{
struct mscan_priv *priv = netdev_priv(dev);
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
struct net_device_stats *stats = &dev->stats;
enum can_state old_state;
@@ -406,7 +406,7 @@ static int mscan_rx_poll(struct napi_struct *napi, int quota)
{
struct mscan_priv *priv = container_of(napi, struct mscan_priv, napi);
struct net_device *dev = napi->dev;
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
struct net_device_stats *stats = &dev->stats;
int npackets = 0;
int ret = 1;
@@ -453,7 +453,7 @@ static irqreturn_t mscan_isr(int irq, void *dev_id)
{
struct net_device *dev = (struct net_device *)dev_id;
struct mscan_priv *priv = netdev_priv(dev);
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
struct net_device_stats *stats = &dev->stats;
u8 cantier, cantflg, canrflg;
irqreturn_t ret = IRQ_NONE;
@@ -537,7 +537,7 @@ static int mscan_do_set_mode(struct net_device *dev, enum can_mode mode)
static int mscan_do_set_bittiming(struct net_device *dev)
{
struct mscan_priv *priv = netdev_priv(dev);
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
struct can_bittiming *bt = &priv->can.bittiming;
u8 btr0, btr1;
@@ -559,7 +559,7 @@ static int mscan_open(struct net_device *dev)
{
int ret;
struct mscan_priv *priv = netdev_priv(dev);
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
/* common open */
ret = open_candev(dev);
@@ -598,7 +598,7 @@ exit_napi_disable:
static int mscan_close(struct net_device *dev)
{
struct mscan_priv *priv = netdev_priv(dev);
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
netif_stop_queue(dev);
napi_disable(&priv->napi);
@@ -622,7 +622,7 @@ static const struct net_device_ops mscan_netdev_ops = {
int register_mscandev(struct net_device *dev, int mscan_clksrc)
{
struct mscan_priv *priv = netdev_priv(dev);
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
u8 ctl1;
ctl1 = in_8(®s->canctl1);
@@ -659,7 +659,7 @@ int register_mscandev(struct net_device *dev, int mscan_clksrc)
void unregister_mscandev(struct net_device *dev)
{
struct mscan_priv *priv = netdev_priv(dev);
- struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+ struct mscan_regs __iomem *regs = priv->reg_base;
mscan_set_mode(dev, MSCAN_INIT_MODE);
clrbits8(®s->canctl1, MSCAN_CANE);
unregister_candev(dev);
--
1.7.5.4
--
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