Skip to content

Commit

Permalink
drivers: parisc: ccio-dma.c: Added tab insead of spaces
Browse files Browse the repository at this point in the history 
Single space has been removed.
It has been replaced with tabs.
This is done to maintain code uniformity.

Signed-off-by: Shubhankar Kuranagatti <shubhankarvk@gmail.com>
  • Loading branch information
@SShubh123 @intel-lab-lkp
SShubh123 authored and intel-lab-lkp committed Apr 28, 2021
1 parent adf2740 commit d69bc48
Showing 1 changed file with 44 additions and 44 deletions.
88 changes: 44 additions & 44 deletions drivers/parisc/ccio-dma.c
View file
Expand Up @@ -111,29 +111,29 @@
#define CMD_TLB_PURGE 33 /* IO_COMMAND to Purge I/O TLB entry */

struct ioa_registers {
/* Runway Supervisory Set */
int32_t unused1[12];
uint32_t io_command; /* Offset 12 */
uint32_t io_status; /* Offset 13 */
uint32_t io_control; /* Offset 14 */
int32_t unused2[1];

/* Runway Auxiliary Register Set */
uint32_t io_err_resp; /* Offset 0 */
uint32_t io_err_info; /* Offset 1 */
uint32_t io_err_req; /* Offset 2 */
uint32_t io_err_resp_hi; /* Offset 3 */
uint32_t io_tlb_entry_m; /* Offset 4 */
uint32_t io_tlb_entry_l; /* Offset 5 */
uint32_t unused3[1];
uint32_t io_pdir_base; /* Offset 7 */
uint32_t io_io_low_hv; /* Offset 8 */
uint32_t io_io_high_hv; /* Offset 9 */
uint32_t unused4[1];
uint32_t io_chain_id_mask; /* Offset 11 */
uint32_t unused5[2];
uint32_t io_io_low; /* Offset 14 */
uint32_t io_io_high; /* Offset 15 */
/* Runway Supervisory Set */
int32_t unused1[12];
uint32_t io_command; /* Offset 12 */
uint32_t io_status; /* Offset 13 */
uint32_t io_control; /* Offset 14 */
int32_t unused2[1];

/* Runway Auxiliary Register Set */
uint32_t io_err_resp; /* Offset 0 */
uint32_t io_err_info; /* Offset 1 */
uint32_t io_err_req; /* Offset 2 */
uint32_t io_err_resp_hi; /* Offset 3 */
uint32_t io_tlb_entry_m; /* Offset 4 */
uint32_t io_tlb_entry_l; /* Offset 5 */
uint32_t unused3[1];
uint32_t io_pdir_base; /* Offset 7 */
uint32_t io_io_low_hv; /* Offset 8 */
uint32_t io_io_high_hv; /* Offset 9 */
uint32_t unused4[1];
uint32_t io_chain_id_mask; /* Offset 11 */
uint32_t unused5[2];
uint32_t io_io_low; /* Offset 14 */
uint32_t io_io_high; /* Offset 15 */
};

/*
Expand Down Expand Up @@ -198,7 +198,7 @@ struct ioa_registers {
** In order for a Runway address to reside within GSC+ extended address space:
** Runway Address [0:7] must identically compare to 8'b11111111
** Runway Address [8:11] must be equal to IO_IO_LOW(_HV)[16:19]
** Runway Address [12:23] must be greater than or equal to
** Runway Address [12:23] must be greater than or equal to
** IO_IO_LOW(_HV)[20:31] and less than IO_IO_HIGH(_HV)[20:31].
** Runway Address [24:39] is not used in the comparison.
**
Expand Down Expand Up @@ -226,10 +226,10 @@ struct ioc {
struct ioa_registers __iomem *ioc_regs; /* I/O MMU base address */
u8 *res_map; /* resource map, bit == pdir entry */
u64 *pdir_base; /* physical base address */
u32 pdir_size; /* bytes, function of IOV Space size */
u32 res_hint; /* next available IOVP -
u32 pdir_size; /* bytes, function of IOV Space size */
u32 res_hint; /* next available IOVP -
circular search */
u32 res_size; /* size of resource map in bytes */
u32 res_size; /* size of resource map in bytes */
spinlock_t res_lock;

#ifdef CCIO_COLLECT_STATS
Expand All @@ -249,7 +249,7 @@ struct ioc {
unsigned short cujo20_bug;

/* STUFF We don't need in performance path */
u32 chainid_shift; /* specify bit location of chain_id */
u32 chainid_shift; /* specify bit location of chain_id */
struct ioc *next; /* Linked list of discovered iocs */
const char *name; /* device name from firmware */
unsigned int hw_path; /* the hardware path this ioc is associatd with */
Expand Down Expand Up @@ -293,7 +293,7 @@ static int ioc_count;
** cause the kernel to panic anyhow.
*/
#define CCIO_SEARCH_LOOP(ioc, res_idx, mask, size) \
for(; res_ptr < res_end; ++res_ptr) { \
for (; res_ptr < res_end; ++res_ptr) { \
int ret;\
unsigned int idx;\
idx = (unsigned int)((unsigned long)res_ptr - (unsigned long)ioc->res_map); \
Expand All @@ -303,15 +303,15 @@ static int ioc_count;
res_idx = idx;\
ioc->res_hint = res_idx + (size >> 3); \
goto resource_found; \
} \
\
}

#define CCIO_FIND_FREE_MAPPING(ioa, res_idx, mask, size) \
u##size *res_ptr = (u##size *)&((ioc)->res_map[ioa->res_hint & ~((size >> 3) - 1)]); \
u##size *res_end = (u##size *)&(ioc)->res_map[ioa->res_size]; \
CCIO_SEARCH_LOOP(ioc, res_idx, mask, size); \
res_ptr = (u##size *)&(ioc)->res_map[0]; \
CCIO_SEARCH_LOOP(ioa, res_idx, mask, size);
CCIO_SEARCH_LOOP(ioc, res_idx, mask, size); \
res_ptr = (u##size *)&(ioc)->res_map[0]; \
CCIO_SEARCH_LOOP(ioa, res_idx, mask, size);

/*
** Find available bit in this ioa's resource map.
Expand Down Expand Up @@ -348,9 +348,9 @@ ccio_alloc_range(struct ioc *ioc, struct device *dev, size_t size)

BUG_ON(pages_needed == 0);
BUG_ON((pages_needed * IOVP_SIZE) > DMA_CHUNK_SIZE);
DBG_RES("%s() size: %d pages_needed %d\n",
__func__, size, pages_needed);

DBG_RES("%s() size: %d pages_needed %d\n",
__func__, size, pages_needed);

/*
** "seek and ye shall find"...praying never hurts either...
Expand Down Expand Up @@ -416,7 +416,7 @@ ccio_alloc_range(struct ioc *ioc, struct device *dev, size_t size)
#define CCIO_FREE_MAPPINGS(ioc, res_idx, mask, size) \
u##size *res_ptr = (u##size *)&((ioc)->res_map[res_idx]); \
BUG_ON((*res_ptr & mask) != mask); \
*res_ptr &= ~(mask);
*res_ptr &= ~(mask);

/**
* ccio_free_range - Free pages from the ioc's resource map.
Expand Down Expand Up @@ -845,7 +845,7 @@ static void *
ccio_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag,
unsigned long attrs)
{
void *ret;
void *ret;
#if 0
/* GRANT Need to establish hierarchy for non-PCI devs as well
** and then provide matching gsc_map_xxx() functions for them as well.
Expand All @@ -856,7 +856,7 @@ ccio_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag,
return 0;
}
#endif
ret = (void *) __get_free_pages(flag, get_order(size));
ret = (void *) __get_free_pages(flag, get_order(size));

if (ret) {
memset(ret, 0, size);
Expand Down Expand Up @@ -1022,8 +1022,8 @@ static const struct dma_map_ops ccio_ops = {
.free = ccio_free,
.map_page = ccio_map_page,
.unmap_page = ccio_unmap_page,
.map_sg = ccio_map_sg,
.unmap_sg = ccio_unmap_sg,
.map_sg = ccio_map_sg,
.unmap_sg = ccio_unmap_sg,
.get_sgtable = dma_common_get_sgtable,
.alloc_pages = dma_common_alloc_pages,
.free_pages = dma_common_free_pages,
Expand Down Expand Up @@ -1080,7 +1080,7 @@ static int ccio_proc_info(struct seq_file *m, void *p)
max = ioc->usingle_pages - ioc->usg_pages;
seq_printf(m, "pci_unmap_single: %8ld calls %8ld pages (avg %d/1000)\n",
min, max, (int)((max * 1000)/min));

seq_printf(m, "pci_map_sg() : %8ld calls %8ld pages (avg %d/1000)\n",
ioc->msg_calls, ioc->msg_pages,
(int)((ioc->msg_pages * 1000)/ioc->msg_calls));
Expand Down Expand Up @@ -1169,7 +1169,7 @@ void __init ccio_cujo20_fixup(struct parisc_device *cujo, u32 iovp)
idx = PDIR_INDEX(iovp) >> 3;

while (idx < ioc->res_size) {
res_ptr[idx] |= 0xff;
res_ptr[idx] |= 0xff;
idx += PDIR_INDEX(CUJO_20_STEP) >> 3;
}
}
Expand Down Expand Up @@ -1297,7 +1297,7 @@ ccio_ioc_init(struct ioc *ioc)
DBG_INIT(" base %p\n", ioc->pdir_base);

/* resource map size dictated by pdir_size */
ioc->res_size = (ioc->pdir_size / sizeof(u64)) >> 3;
ioc->res_size = (ioc->pdir_size / sizeof(u64)) >> 3;
DBG_INIT("%s() res_size 0x%x\n", __func__, ioc->res_size);

ioc->res_map = (u8 *)__get_free_pages(GFP_KERNEL,
Expand Down

0 comments on commit d69bc48

Please sign in to comment.