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Date: Sat, 31 Mar 2007 16:27:46 +0530
From: Milind Arun Choudhary <milindchoudhary@...il.com>
To: kernel-janitors@...ts.osdl.org
Cc: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
parisc-linux@...ts.parisc-linux.org
Subject: [KJ][PATCH] ROUND_?UP macro cleanup in drivers/parisc
Clean up ROUND_?UP, Use ALIGN where ever appropriate.
Signed-off-by: Milind Arun Choudhary <milindchoudhary@...il.com>
---
ccio-dma.c | 8 ++++----
iommu-helpers.h | 4 ++--
sba_iommu.c | 6 ++----
3 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index 894fdb9..1459ca8 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -32,6 +32,7 @@
*/
#include <linux/types.h>
+#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/spinlock.h>
@@ -292,7 +293,6 @@ static int ioc_count;
#define PDIR_INDEX(iovp) ((iovp)>>IOVP_SHIFT)
#define MKIOVP(pdir_idx) ((long)(pdir_idx) << IOVP_SHIFT)
#define MKIOVA(iovp,offset) (dma_addr_t)((long)iovp | (long)offset)
-#define ROUNDUP(x,y) ((x + ((y)-1)) & ~((y)-1))
/*
** Don't worry about the 150% average search length on a miss.
@@ -668,7 +668,7 @@ ccio_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt)
size_t saved_byte_cnt;
/* round up to nearest page size */
- saved_byte_cnt = byte_cnt = ROUNDUP(byte_cnt, IOVP_SIZE);
+ saved_byte_cnt = byte_cnt = ALIGN(byte_cnt, IOVP_SIZE);
while(byte_cnt > 0) {
/* invalidate one page at a time */
@@ -751,7 +751,7 @@ ccio_map_single(struct device *dev, void *addr, size_t size,
offset = ((unsigned long) addr) & ~IOVP_MASK;
/* round up to nearest IOVP_SIZE */
- size = ROUNDUP(size + offset, IOVP_SIZE);
+ size = ALIGN(size + offset, IOVP_SIZE);
spin_lock_irqsave(&ioc->res_lock, flags);
#ifdef CCIO_MAP_STATS
@@ -814,7 +814,7 @@ ccio_unmap_single(struct device *dev, dma_addr_t iova, size_t size,
iova ^= offset; /* clear offset bits */
size += offset;
- size = ROUNDUP(size, IOVP_SIZE);
+ size = ALIGN(size, IOVP_SIZE);
spin_lock_irqsave(&ioc->res_lock, flags);
diff --git a/drivers/parisc/iommu-helpers.h b/drivers/parisc/iommu-helpers.h
index 38d9e1a..0a1f99a 100644
--- a/drivers/parisc/iommu-helpers.h
+++ b/drivers/parisc/iommu-helpers.h
@@ -138,7 +138,7 @@ iommu_coalesce_chunks(struct ioc *ioc, struct scatterlist *startsg, int nents,
** exceed DMA_CHUNK_SIZE if we coalesce the
** next entry.
*/
- if(unlikely(ROUNDUP(dma_len + dma_offset + startsg->length,
+ if(unlikely(ALIGN(dma_len + dma_offset + startsg->length,
IOVP_SIZE) > DMA_CHUNK_SIZE))
break;
@@ -158,7 +158,7 @@ iommu_coalesce_chunks(struct ioc *ioc, struct scatterlist *startsg, int nents,
** Allocate space for DMA stream.
*/
sg_dma_len(contig_sg) = dma_len;
- dma_len = ROUNDUP(dma_len + dma_offset, IOVP_SIZE);
+ dma_len = ALIGN(dma_len + dma_offset, IOVP_SIZE);
sg_dma_address(contig_sg) =
PIDE_FLAG
| (iommu_alloc_range(ioc, dma_len) << IOVP_SHIFT)
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 76a29da..7d83d9f 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -113,8 +113,6 @@ module_param(sba_reserve_agpgart, int, 1);
MODULE_PARM_DESC(sba_reserve_agpgart, "Reserve half of IO pdir as AGPGART");
#endif
-#define ROUNDUP(x,y) ((x + ((y)-1)) & ~((y)-1))
-
/************************************
** SBA register read and write support
@@ -352,7 +350,7 @@ sba_search_bitmap(struct ioc *ioc, unsigned long bits_wanted)
** SBA HW features in the unmap path.
*/
unsigned long o = 1 << get_order(bits_wanted << PAGE_SHIFT);
- uint bitshiftcnt = ROUNDUP(ioc->res_bitshift, o);
+ uint bitshiftcnt = ALIGN(ioc->res_bitshift, o);
unsigned long mask;
if (bitshiftcnt >= BITS_PER_LONG) {
@@ -779,7 +777,7 @@ sba_unmap_single(struct device *dev, dma_addr_t iova, size_t size,
offset = iova & ~IOVP_MASK;
iova ^= offset; /* clear offset bits */
size += offset;
- size = ROUNDUP(size, IOVP_SIZE);
+ size = ALIGN(size, IOVP_SIZE);
spin_lock_irqsave(&ioc->res_lock, flags);
--
Milind Arun Choudhary
-
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