Fixed all checkpatch messages, except for several lines longer than 80 char warnings Signed-off-by: Hank Janssen <hjanssen@xxxxxxxxxxxxx> diff --git a/drivers/staging/hv/RingBuffer.c b/drivers/staging/hv/RingBuffer.c index f69ae33..b09f2b6 100644 --- a/drivers/staging/hv/RingBuffer.c +++ b/drivers/staging/hv/RingBuffer.c @@ -32,7 +32,7 @@ /* Amount of space to write to */ -#define BYTES_AVAIL_TO_WRITE(r, w, z) ((w) >= (r))?((z) - ((w) - (r))):((r) - (w)) +#define BYTES_AVAIL_TO_WRITE(r, w, z) ((w) >= (r)) ? ((z) - ((w) - (r))) : ((r) - (w)) /*++ @@ -48,7 +48,7 @@ Description: static inline void GetRingBufferAvailBytes(RING_BUFFER_INFO *rbi, u32 *read, u32 *write) { - u32 read_loc,write_loc; + u32 read_loc, write_loc; /* Capture the read/write indices before they changed */ read_loc = rbi->RingBuffer->ReadIndex; @@ -68,7 +68,7 @@ Description: --*/ static inline u32 -GetNextWriteLocation(RING_BUFFER_INFO* RingInfo) +GetNextWriteLocation(RING_BUFFER_INFO *RingInfo) { u32 next = RingInfo->RingBuffer->WriteIndex; @@ -87,7 +87,7 @@ Description: --*/ static inline void -SetNextWriteLocation(RING_BUFFER_INFO* RingInfo, u32 NextWriteLocation) +SetNextWriteLocation(RING_BUFFER_INFO *RingInfo, u32 NextWriteLocation) { RingInfo->RingBuffer->WriteIndex = NextWriteLocation; } @@ -102,7 +102,7 @@ Description: --*/ static inline u32 -GetNextReadLocation(RING_BUFFER_INFO* RingInfo) +GetNextReadLocation(RING_BUFFER_INFO *RingInfo) { u32 next = RingInfo->RingBuffer->ReadIndex; @@ -122,7 +122,7 @@ Description: --*/ static inline u32 -GetNextReadLocationWithOffset(RING_BUFFER_INFO* RingInfo, u32 Offset) +GetNextReadLocationWithOffset(RING_BUFFER_INFO *RingInfo, u32 Offset) { u32 next = RingInfo->RingBuffer->ReadIndex; @@ -143,7 +143,7 @@ Description: --*/ static inline void -SetNextReadLocation(RING_BUFFER_INFO* RingInfo, u32 NextReadLocation) +SetNextReadLocation(RING_BUFFER_INFO *RingInfo, u32 NextReadLocation) { RingInfo->RingBuffer->ReadIndex = NextReadLocation; } @@ -159,7 +159,7 @@ Description: --*/ static inline void * -GetRingBuffer(RING_BUFFER_INFO* RingInfo) +GetRingBuffer(RING_BUFFER_INFO *RingInfo) { return (void *)RingInfo->RingBuffer->Buffer; } @@ -175,7 +175,7 @@ Description: --*/ static inline u32 -GetRingBufferSize(RING_BUFFER_INFO* RingInfo) +GetRingBufferSize(RING_BUFFER_INFO *RingInfo) { return RingInfo->RingDataSize; } @@ -190,7 +190,7 @@ Description: --*/ static inline u64 -GetRingBufferIndices(RING_BUFFER_INFO* RingInfo) +GetRingBufferIndices(RING_BUFFER_INFO *RingInfo) { return ((u64)RingInfo->RingBuffer->WriteIndex << 32) || RingInfo->RingBuffer->ReadIndex; } @@ -226,18 +226,16 @@ void DumpRingInfo(RING_BUFFER_INFO *RingInfo, char *Prefix) /* Internal routines */ static u32 -CopyToRingBuffer( - RING_BUFFER_INFO *RingInfo, - u32 StartWriteOffset, - void * Src, - u32 SrcLen); +CopyToRingBuffer(RING_BUFFER_INFO *RingInfo, + u32 StartWriteOffset, + void *Src, + u32 SrcLen); static u32 -CopyFromRingBuffer( - RING_BUFFER_INFO *RingInfo, - void * Dest, - u32 DestLen, - u32 StartReadOffset); +CopyFromRingBuffer(RING_BUFFER_INFO *RingInfo, + void *Dest, + u32 DestLen, + u32 StartReadOffset); @@ -258,7 +256,9 @@ void RingBufferGetDebugInfo(RING_BUFFER_INFO *RingInfo, if (RingInfo->RingBuffer) { - GetRingBufferAvailBytes(RingInfo, &bytesAvailToRead, &bytesAvailToWrite); + GetRingBufferAvailBytes(RingInfo, + &bytesAvailToRead, + &bytesAvailToWrite); DebugInfo->BytesAvailToRead = bytesAvailToRead; DebugInfo->BytesAvailToWrite = bytesAvailToWrite; @@ -299,7 +299,7 @@ int RingBufferInit(RING_BUFFER_INFO *RingInfo, void *Buffer, u32 BufferLen) memset(RingInfo, 0, sizeof(RING_BUFFER_INFO)); - RingInfo->RingBuffer = (RING_BUFFER*)Buffer; + RingInfo->RingBuffer = (RING_BUFFER *)Buffer; RingInfo->RingBuffer->ReadIndex = RingInfo->RingBuffer->WriteIndex = 0; RingInfo->RingSize = BufferLen; @@ -319,7 +319,7 @@ Description: Cleanup the ring buffer --*/ -void RingBufferCleanup(RING_BUFFER_INFO* RingInfo) +void RingBufferCleanup(RING_BUFFER_INFO *RingInfo) { } @@ -335,22 +335,20 @@ Description: int RingBufferWrite(RING_BUFFER_INFO *OutRingInfo, struct scatterlist *sglist, u32 sgcount) { - int i=0; + int i = 0; u32 byteAvailToWrite; u32 byteAvailToRead; - u32 totalBytesToWrite=0; + u32 totalBytesToWrite = 0; struct scatterlist *sg; volatile u32 nextWriteLocation; - u64 prevIndices=0; + u64 prevIndices = 0; unsigned long flags; DPRINT_ENTER(VMBUS); for_each_sg(sglist, sg, sgcount, i) - { totalBytesToWrite += sg->length; - } totalBytesToWrite += sizeof(u64); @@ -360,13 +358,17 @@ int RingBufferWrite(RING_BUFFER_INFO *OutRingInfo, DPRINT_DBG(VMBUS, "Writing %u bytes...", totalBytesToWrite); - /* DumpRingInfo(OutRingInfo, "BEFORE "); */ - - /* If there is only room for the packet, assume it is full. Otherwise, the next time around, we think the ring buffer */ - /* is empty since the read index == write index */ + /* + * DumpRingInfo(OutRingInfo, "BEFORE "); + * + * If there is only room for the packet, assume it is full. + * Otherwise, the next time around, we think the ring buffer + * is empty since the read index == write index + */ if (byteAvailToWrite <= totalBytesToWrite) { - DPRINT_DBG(VMBUS, "No more space left on outbound ring buffer (needed %u, avail %u)", totalBytesToWrite, byteAvailToWrite); + DPRINT_DBG(VMBUS, "No more space left on outbound ring buffer (needed %u, avail %u)", + totalBytesToWrite, byteAvailToWrite); spin_unlock_irqrestore(&OutRingInfo->ring_lock, flags); @@ -423,16 +425,17 @@ int RingBufferPeek(RING_BUFFER_INFO *InRingInfo, void *Buffer, u32 BufferLen) { u32 bytesAvailToWrite; u32 bytesAvailToRead; - u32 nextReadLocation=0; + u32 nextReadLocation = 0; unsigned long flags; spin_lock_irqsave(&InRingInfo->ring_lock, flags); - GetRingBufferAvailBytes(InRingInfo, &bytesAvailToRead, &bytesAvailToWrite); + GetRingBufferAvailBytes(InRingInfo, + &bytesAvailToRead, + &bytesAvailToWrite); /* Make sure there is something to read */ - if (bytesAvailToRead < BufferLen ) - { + if (bytesAvailToRead < BufferLen) { /* DPRINT_DBG(VMBUS, "got callback but not enough to read <avail to read %d read size %d>!!", bytesAvailToRead, BufferLen); */ spin_unlock_irqrestore(&InRingInfo->ring_lock, flags); @@ -444,9 +447,9 @@ int RingBufferPeek(RING_BUFFER_INFO *InRingInfo, void *Buffer, u32 BufferLen) nextReadLocation = GetNextReadLocation(InRingInfo); nextReadLocation = CopyFromRingBuffer(InRingInfo, - Buffer, - BufferLen, - nextReadLocation); + Buffer, + BufferLen, + nextReadLocation); spin_unlock_irqrestore(&InRingInfo->ring_lock, flags); @@ -468,24 +471,26 @@ int RingBufferRead(RING_BUFFER_INFO *InRingInfo, void *Buffer, { u32 bytesAvailToWrite; u32 bytesAvailToRead; - u32 nextReadLocation=0; - u64 prevIndices=0; + u32 nextReadLocation = 0; + u64 prevIndices = 0; unsigned long flags; ASSERT(BufferLen > 0); spin_lock_irqsave(&InRingInfo->ring_lock, flags); - GetRingBufferAvailBytes(InRingInfo, &bytesAvailToRead, &bytesAvailToWrite); + GetRingBufferAvailBytes(InRingInfo, + &bytesAvailToRead, + &bytesAvailToWrite); DPRINT_DBG(VMBUS, "Reading %u bytes...", BufferLen); /* DumpRingInfo(InRingInfo, "BEFORE "); */ /* Make sure there is something to read */ - if (bytesAvailToRead < BufferLen ) - { - DPRINT_DBG(VMBUS, "got callback but not enough to read <avail to read %d read size %d>!!", bytesAvailToRead, BufferLen); + if (bytesAvailToRead < BufferLen) { + DPRINT_DBG(VMBUS, "got callback but not enough to read <avail to read %d read size %d>!!", + bytesAvailToRead, BufferLen); spin_unlock_irqrestore(&InRingInfo->ring_lock, flags); @@ -495,17 +500,21 @@ int RingBufferRead(RING_BUFFER_INFO *InRingInfo, void *Buffer, nextReadLocation = GetNextReadLocationWithOffset(InRingInfo, Offset); nextReadLocation = CopyFromRingBuffer(InRingInfo, - Buffer, - BufferLen, - nextReadLocation); + Buffer, + BufferLen, + nextReadLocation); nextReadLocation = CopyFromRingBuffer(InRingInfo, - &prevIndices, - sizeof(u64), - nextReadLocation); + &prevIndices, + sizeof(u64), + nextReadLocation); + - /* Make sure all reads are done before we update the read index since */ - /* the writer may start writing to the read area once the read index is updated */ + /* + * Make sure all reads are done before we update the read index since + * the writer may start writing to the read area once the read index + * is updated + */ mb(); /* Update the read index */ @@ -530,18 +539,19 @@ Description: --*/ static u32 -CopyToRingBuffer( - RING_BUFFER_INFO *RingInfo, - u32 StartWriteOffset, - void * Src, - u32 SrcLen) +CopyToRingBuffer(RING_BUFFER_INFO *RingInfo, + u32 StartWriteOffset, + void *Src, + u32 SrcLen) { - void * ringBuffer=GetRingBuffer(RingInfo); - u32 ringBufferSize=GetRingBufferSize(RingInfo); + void *ringBuffer = GetRingBuffer(RingInfo); + u32 ringBufferSize = GetRingBufferSize(RingInfo); u32 fragLen; - if (SrcLen > ringBufferSize - StartWriteOffset) /* wrap-around detected! */ - { + /* + * Detect to see if we have a wrap-around + */ + if (SrcLen > ringBufferSize - StartWriteOffset) { DPRINT_DBG(VMBUS, "wrap-around detected!"); fragLen = ringBufferSize - StartWriteOffset; @@ -571,19 +581,20 @@ Description: --*/ static u32 -CopyFromRingBuffer( - RING_BUFFER_INFO *RingInfo, - void * Dest, - u32 DestLen, - u32 StartReadOffset) +CopyFromRingBuffer(RING_BUFFER_INFO *RingInfo, + void *Dest, + u32 DestLen, + u32 StartReadOffset) { - void * ringBuffer=GetRingBuffer(RingInfo); - u32 ringBufferSize=GetRingBufferSize(RingInfo); + void *ringBuffer = GetRingBuffer(RingInfo); + u32 ringBufferSize = GetRingBufferSize(RingInfo); u32 fragLen; - if (DestLen > ringBufferSize - StartReadOffset) /* wrap-around detected at the src */ - { + /* + * Detect if there is a wrap-around + */ + if (DestLen > ringBufferSize - StartReadOffset) { DPRINT_DBG(VMBUS, "src wrap-around detected!"); fragLen = ringBufferSize - StartReadOffset; _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel