提交 38fcdcfe 编写于 作者: M Michael Ellerman 提交者: Paul Mackerras

[PATCH] ppc64: Cleanup whitespace in arch/ppc64/kernel/ItLpQueue.c

Just cleanup white space.
Signed-off-by: NMichael Ellerman <michael@ellerman.id.au>
Acked-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>
上级 9b047020
/*
* ItLpQueue.c
* Copyright (C) 2001 Mike Corrigan IBM Corporation
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
......@@ -74,21 +74,21 @@ unsigned long ItLpQueueInProcess = 0;
static struct HvLpEvent * get_next_hvlpevent(void)
{
struct HvLpEvent * nextLpEvent =
struct HvLpEvent * nextLpEvent =
(struct HvLpEvent *)hvlpevent_queue.xSlicCurEventPtr;
if ( nextLpEvent->xFlags.xValid ) {
if (nextLpEvent->xFlags.xValid) {
/* rmb() needed only for weakly consistent machines (regatta) */
rmb();
/* Set pointer to next potential event */
hvlpevent_queue.xSlicCurEventPtr += ((nextLpEvent->xSizeMinus1 +
LpEventAlign ) /
LpEventAlign ) *
LpEventAlign) /
LpEventAlign) *
LpEventAlign;
/* Wrap to beginning if no room at end */
if (hvlpevent_queue.xSlicCurEventPtr > hvlpevent_queue.xSlicLastValidEventPtr)
hvlpevent_queue.xSlicCurEventPtr = hvlpevent_queue.xSlicEventStackPtr;
}
else
else
nextLpEvent = NULL;
return nextLpEvent;
......@@ -107,23 +107,23 @@ int hvlpevent_is_pending(void)
return next_event->xFlags.xValid | hvlpevent_queue.xPlicOverflowIntPending;
}
static void hvlpevent_clear_valid( struct HvLpEvent * event )
static void hvlpevent_clear_valid(struct HvLpEvent * event)
{
/* Clear the valid bit of the event
* Also clear bits within this event that might
* look like valid bits (on 64-byte boundaries)
*/
unsigned extra = (( event->xSizeMinus1 + LpEventAlign ) /
LpEventAlign ) - 1;
switch ( extra ) {
case 3:
*/
unsigned extra = ((event->xSizeMinus1 + LpEventAlign) /
LpEventAlign) - 1;
switch (extra) {
case 3:
((struct HvLpEvent*)((char*)event+3*LpEventAlign))->xFlags.xValid=0;
case 2:
case 2:
((struct HvLpEvent*)((char*)event+2*LpEventAlign))->xFlags.xValid=0;
case 1:
case 1:
((struct HvLpEvent*)((char*)event+1*LpEventAlign))->xFlags.xValid=0;
case 0:
;
case 0:
;
}
mb();
event->xFlags.xValid = 0;
......@@ -136,7 +136,7 @@ void process_hvlpevents(struct pt_regs *regs)
/* If we have recursed, just return */
if ( !set_inUse() )
return;
if (ItLpQueueInProcess == 0)
ItLpQueueInProcess = 1;
else
......@@ -144,35 +144,35 @@ void process_hvlpevents(struct pt_regs *regs)
for (;;) {
nextLpEvent = get_next_hvlpevent();
if ( nextLpEvent ) {
/* Call appropriate handler here, passing
if (nextLpEvent) {
/* Call appropriate handler here, passing
* a pointer to the LpEvent. The handler
* must make a copy of the LpEvent if it
* needs it in a bottom half. (perhaps for
* an ACK)
*
* Handlers are responsible for ACK processing
*
* Handlers are responsible for ACK processing
*
* The Hypervisor guarantees that LpEvents will
* only be delivered with types that we have
* registered for, so no type check is necessary
* here!
*/
if ( nextLpEvent->xType < HvLpEvent_Type_NumTypes )
*/
if (nextLpEvent->xType < HvLpEvent_Type_NumTypes)
__get_cpu_var(hvlpevent_counts)[nextLpEvent->xType]++;
if ( nextLpEvent->xType < HvLpEvent_Type_NumTypes &&
lpEventHandler[nextLpEvent->xType] )
if (nextLpEvent->xType < HvLpEvent_Type_NumTypes &&
lpEventHandler[nextLpEvent->xType])
lpEventHandler[nextLpEvent->xType](nextLpEvent, regs);
else
printk(KERN_INFO "Unexpected Lp Event type=%d\n", nextLpEvent->xType );
hvlpevent_clear_valid( nextLpEvent );
} else if ( hvlpevent_queue.xPlicOverflowIntPending )
hvlpevent_clear_valid(nextLpEvent);
} else if (hvlpevent_queue.xPlicOverflowIntPending)
/*
* No more valid events. If overflow events are
* pending process them
*/
HvCallEvent_getOverflowLpEvents( hvlpevent_queue.xIndex);
HvCallEvent_getOverflowLpEvents(hvlpevent_queue.xIndex);
else
break;
}
......
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