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net/can/mscan: use {clr|set}bits8 macros

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Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wolfram Sang 2009-11-16 12:57:47 +00:00 committed by David S. Miller
parent 377a1f0b92
commit 59179ea60c
1 changed files with 7 additions and 12 deletions
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19
drivers/net/can/mscan/mscan.c
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@ -78,8 +78,7 @@ static int mscan_set_mode(struct net_device *dev, u8 mode)
canctl1 = in_8(&regs->canctl1); canctl1 = in_8(&regs->canctl1);
if ((mode & MSCAN_SLPRQ) && !(canctl1 & MSCAN_SLPAK)) { if ((mode & MSCAN_SLPRQ) && !(canctl1 & MSCAN_SLPAK)) {
out_8(&regs->canctl0, setbits8(&regs->canctl0, MSCAN_SLPRQ);
in_8(&regs->canctl0) | MSCAN_SLPRQ);
for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) { for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) {
if (in_8(&regs->canctl1) & MSCAN_SLPAK) if (in_8(&regs->canctl1) & MSCAN_SLPAK)
break; break;
@ -105,8 +104,7 @@ static int mscan_set_mode(struct net_device *dev, u8 mode)
} }
if ((mode & MSCAN_INITRQ) && !(canctl1 & MSCAN_INITAK)) { if ((mode & MSCAN_INITRQ) && !(canctl1 & MSCAN_INITAK)) {
out_8(&regs->canctl0, setbits8(&regs->canctl0, MSCAN_INITRQ);
in_8(&regs->canctl0) | MSCAN_INITRQ);
for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) { for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) {
if (in_8(&regs->canctl1) & MSCAN_INITAK) if (in_8(&regs->canctl1) & MSCAN_INITAK)
break; break;
@ -118,14 +116,12 @@ static int mscan_set_mode(struct net_device *dev, u8 mode)
priv->can.state = CAN_STATE_STOPPED; priv->can.state = CAN_STATE_STOPPED;
if (mode & MSCAN_CSWAI) if (mode & MSCAN_CSWAI)
out_8(&regs->canctl0, setbits8(&regs->canctl0, MSCAN_CSWAI);
in_8(&regs->canctl0) | MSCAN_CSWAI);
} else { } else {
canctl1 = in_8(&regs->canctl1); canctl1 = in_8(&regs->canctl1);
if (canctl1 & (MSCAN_SLPAK | MSCAN_INITAK)) { if (canctl1 & (MSCAN_SLPAK | MSCAN_INITAK)) {
out_8(&regs->canctl0, in_8(&regs->canctl0) & clrbits8(&regs->canctl0, MSCAN_SLPRQ | MSCAN_INITRQ);
~(MSCAN_SLPRQ | MSCAN_INITRQ));
for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) { for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) {
canctl1 = in_8(&regs->canctl1); canctl1 = in_8(&regs->canctl1);
if (!(canctl1 & (MSCAN_INITAK | MSCAN_SLPAK))) if (!(canctl1 & (MSCAN_INITAK | MSCAN_SLPAK)))
@ -359,8 +355,7 @@ static void mscan_get_err_frame(struct net_device *dev, struct can_frame *frame,
*/ */
out_8(&regs->cantier, 0); out_8(&regs->cantier, 0);
out_8(&regs->canrier, 0); out_8(&regs->canrier, 0);
out_8(&regs->canctl0, in_8(&regs->canctl0) | setbits8(&regs->canctl0, MSCAN_SLPRQ | MSCAN_INITRQ);
MSCAN_SLPRQ | MSCAN_INITRQ);
can_bus_off(dev); can_bus_off(dev);
break; break;
default: default:
@ -548,7 +543,7 @@ static int mscan_open(struct net_device *dev)
priv->open_time = jiffies; priv->open_time = jiffies;
out_8(&regs->canctl1, in_8(&regs->canctl1) & ~MSCAN_LISTEN); clrbits8(&regs->canctl1, MSCAN_LISTEN);
ret = mscan_start(dev); ret = mscan_start(dev);
if (ret) if (ret)
@ -623,7 +618,7 @@ void unregister_mscandev(struct net_device *dev)
struct mscan_priv *priv = netdev_priv(dev); struct mscan_priv *priv = netdev_priv(dev);
struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base; struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
mscan_set_mode(dev, MSCAN_INIT_MODE); mscan_set_mode(dev, MSCAN_INIT_MODE);
out_8(&regs->canctl1, in_8(&regs->canctl1) & ~MSCAN_CANE); clrbits8(&regs->canctl1, MSCAN_CANE);
unregister_candev(dev); unregister_candev(dev);
} }
EXPORT_SYMBOL_GPL(unregister_mscandev); EXPORT_SYMBOL_GPL(unregister_mscandev);