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staging: brcm80211: Remove abstractions for pci_(un)map_single

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The driver had abstracted DMA mapping functions. As abstraction
is not required for the linux driver, these have been removed
and replaced by native linux functions.

Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Brett Rudley 2011-02-25 16:39:09 +01:00 committed by Greg Kroah-Hartman
parent 2d586ea6de
commit 9010c46c37
3 changed files with 7 additions and 38 deletions
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10
drivers/staging/brcm80211/include/osl.h
View File

@ -70,16 +70,6 @@ extern void osl_dma_free_consistent(struct osl_info *osh, void *va,
#define DMA_TX 1 /* TX direction for DMA */
#define DMA_RX 2 /* RX direction for DMA */
/* map/unmap shared (dma-able) memory */
#define DMA_MAP(osh, va, size, direction, p, dmah) \
osl_dma_map((osh), (va), (size), (direction))
#define DMA_UNMAP(osh, pa, size, direction, p, dmah) \
osl_dma_unmap((osh), (pa), (size), (direction))
extern uint osl_dma_map(struct osl_info *osh, void *va, uint size,
int direction);
extern void osl_dma_unmap(struct osl_info *osh, uint pa, uint size,
int direction);
/* register access macros */
#if defined(BCMSDIO)
#ifdef BRCM_FULLMAC

15
drivers/staging/brcm80211/util/hnddma.c
View File

@ -76,7 +76,7 @@ typedef struct dma_info {
uint *msg_level; /* message level pointer */
char name[MAXNAMEL]; /* callers name for diag msgs */
void *osh; /* os handle */
struct osl_info *osh; /* os handle */
si_t *sih; /* sb handle */
bool dma64; /* this dma engine is operating in 64-bit mode */
@ -866,8 +866,8 @@ static bool BCMFASTPATH _dma_rxfill(dma_info_t *di)
memset(&di->rxp_dmah[rxout], 0,
sizeof(hnddma_seg_map_t));
pa = DMA_MAP(di->osh, p->data,
di->rxbufsize, DMA_RX, p, &di->rxp_dmah[rxout]);
pa = pci_map_single(di->osh->pdev, p->data,
di->rxbufsize, PCI_DMA_FROMDEVICE);
ASSERT(IS_ALIGNED(PHYSADDRLO(pa), 4));
@ -1383,7 +1383,7 @@ static int dma64_txunframed(dma_info_t *di, void *buf, uint len, bool commit)
if (len == 0)
return 0;
pa = DMA_MAP(di->osh, buf, len, DMA_TX, NULL, &di->txp_dmah[txout]);
pa = pci_map_single(di->osh->pdev, buf, len, PCI_DMA_TODEVICE);
flags = (D64_CTRL1_SOF | D64_CTRL1_IOC | D64_CTRL1_EOF);
@ -1463,8 +1463,7 @@ static int BCMFASTPATH dma64_txfast(dma_info_t *di, struct sk_buff *p0,
memset(&di->txp_dmah[txout], 0,
sizeof(hnddma_seg_map_t));
pa = DMA_MAP(di->osh, data, len, DMA_TX, p,
&di->txp_dmah[txout]);
pa = pci_map_single(di->osh->pdev, data, len, PCI_DMA_TODEVICE);
if (DMASGLIST_ENAB) {
map = &di->txp_dmah[txout];
@ -1626,7 +1625,7 @@ static void *BCMFASTPATH dma64_getnexttxp(dma_info_t *di, txd_range_t range)
i = NEXTTXD(i);
}
DMA_UNMAP(di->osh, pa, size, DMA_TX, txp, map);
pci_unmap_single(di->osh->pdev, pa, size, PCI_DMA_TODEVICE);
}
di->txin = i;
@ -1677,7 +1676,7 @@ static void *BCMFASTPATH dma64_getnextrxp(dma_info_t *di, bool forceall)
di->dataoffsethigh));
/* clear this packet from the descriptor ring */
DMA_UNMAP(di->osh, pa, di->rxbufsize, DMA_RX, rxp, &di->rxp_dmah[i]);
pci_unmap_single(di->osh->pdev, pa, di->rxbufsize, PCI_DMA_FROMDEVICE);
W_SM(&di->rxd64[i].addrlow, 0xdeadbeef);
W_SM(&di->rxd64[i].addrhigh, 0xdeadbeef);

20
drivers/staging/brcm80211/util/linux_osl.c
View File

@ -161,26 +161,6 @@ void osl_dma_free_consistent(struct osl_info *osh, void *va, uint size,
pci_free_consistent(osh->pdev, size, va, (dma_addr_t) pa);
}
uint BCMFASTPATH osl_dma_map(struct osl_info *osh, void *va, uint size,
int direction)
{
int dir;
ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
dir = (direction == DMA_TX) ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE;
return pci_map_single(osh->pdev, va, size, dir);
}
void BCMFASTPATH osl_dma_unmap(struct osl_info *osh, uint pa, uint size,
int direction)
{
int dir;
ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
dir = (direction == DMA_TX) ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE;
pci_unmap_single(osh->pdev, (u32) pa, size, dir);
}
#if defined(BCMDBG_ASSERT)
void osl_assert(char *exp, char *file, int line)
{