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[PARISC] ROUNDUP macro cleanup in drivers/parisc 

Clean up ROUNDUP, Use ALIGN where ever appropriate.

Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Milind Arun Choudhary 2007-03-06 02:44:13 -08:00 committed by Kyle McMartin
parent ea74342900
commit 3cb1d95847
3 changed files with 8 additions and 10 deletions
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8
drivers/parisc/ccio-dma.c
View File

@ -32,6 +32,7 @@
*/ */
#include <linux/types.h> #include <linux/types.h>
#include <linux/kernel.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/spinlock.h> #include <linux/spinlock.h>
@ -292,7 +293,6 @@ static int ioc_count;
#define PDIR_INDEX(iovp) ((iovp)>>IOVP_SHIFT) #define PDIR_INDEX(iovp) ((iovp)>>IOVP_SHIFT)
#define MKIOVP(pdir_idx) ((long)(pdir_idx) << IOVP_SHIFT) #define MKIOVP(pdir_idx) ((long)(pdir_idx) << IOVP_SHIFT)
#define MKIOVA(iovp,offset) (dma_addr_t)((long)iovp | (long)offset) #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. ** 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; size_t saved_byte_cnt;
/* round up to nearest page size */ /* 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) { while(byte_cnt > 0) {
/* invalidate one page at a time */ /* 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; offset = ((unsigned long) addr) & ~IOVP_MASK;
/* round up to nearest IOVP_SIZE */ /* 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); spin_lock_irqsave(&ioc->res_lock, flags);
#ifdef CCIO_MAP_STATS #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 */ iova ^= offset; /* clear offset bits */
size += offset; size += offset;
size = ROUNDUP(size, IOVP_SIZE); size = ALIGN(size, IOVP_SIZE);
spin_lock_irqsave(&ioc->res_lock, flags); spin_lock_irqsave(&ioc->res_lock, flags);

4
drivers/parisc/iommu-helpers.h
View File

@ -138,7 +138,7 @@ iommu_coalesce_chunks(struct ioc *ioc, struct scatterlist *startsg, int nents,
** exceed DMA_CHUNK_SIZE if we coalesce the ** exceed DMA_CHUNK_SIZE if we coalesce the
** next entry. ** 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)) IOVP_SIZE) > DMA_CHUNK_SIZE))
break; break;
@ -158,7 +158,7 @@ iommu_coalesce_chunks(struct ioc *ioc, struct scatterlist *startsg, int nents,
** Allocate space for DMA stream. ** Allocate space for DMA stream.
*/ */
sg_dma_len(contig_sg) = dma_len; 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) = sg_dma_address(contig_sg) =
PIDE_FLAG PIDE_FLAG
| (iommu_alloc_range(ioc, dma_len) << IOVP_SHIFT) | (iommu_alloc_range(ioc, dma_len) << IOVP_SHIFT)

6
drivers/parisc/sba_iommu.c
View File

@ -113,8 +113,6 @@ module_param(sba_reserve_agpgart, int, 0444);
MODULE_PARM_DESC(sba_reserve_agpgart, "Reserve half of IO pdir as AGPGART"); MODULE_PARM_DESC(sba_reserve_agpgart, "Reserve half of IO pdir as AGPGART");
#endif #endif
#define ROUNDUP(x,y) ((x + ((y)-1)) & ~((y)-1))
/************************************ /************************************
** SBA register read and write support ** 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. ** SBA HW features in the unmap path.
*/ */
unsigned long o = 1 << get_order(bits_wanted << PAGE_SHIFT); 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; unsigned long mask;
if (bitshiftcnt >= BITS_PER_LONG) { 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; offset = iova & ~IOVP_MASK;
iova ^= offset; /* clear offset bits */ iova ^= offset; /* clear offset bits */
size += offset; size += offset;
size = ROUNDUP(size, IOVP_SIZE); size = ALIGN(size, IOVP_SIZE);
spin_lock_irqsave(&ioc->res_lock, flags); spin_lock_irqsave(&ioc->res_lock, flags);