diff options
author | Arend van Spriel <arend@broadcom.com> | 2011-02-25 16:39:24 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-02-28 18:20:35 -0800 |
commit | 06d278c51a072a655d7da23e3acc53f676967375 (patch) | |
tree | 58a06f243cabb7d50f6f399ee7a27da8fec3d6b6 /drivers/staging/brcm80211/util/hnddma.c | |
parent | staging: brcm80211: remove NULL pointer checks before calling kfree (diff) | |
download | linux-dev-06d278c51a072a655d7da23e3acc53f676967375.tar.xz linux-dev-06d278c51a072a655d7da23e3acc53f676967375.zip |
staging: brcm80211: remove usage of struct osl_info to access device
For accessing the PCI or SDIO device in the driver the device is stored
in a separate structure osl_info. To get rid of the osl concept the use
of this device pointer attribute is removed from the drivers.
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/brcm80211/util/hnddma.c')
-rw-r--r-- | drivers/staging/brcm80211/util/hnddma.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/staging/brcm80211/util/hnddma.c b/drivers/staging/brcm80211/util/hnddma.c index 3c913a65da0d..3c71f7549d1c 100644 --- a/drivers/staging/brcm80211/util/hnddma.c +++ b/drivers/staging/brcm80211/util/hnddma.c @@ -81,6 +81,7 @@ typedef struct dma_info { char name[MAXNAMEL]; /* callers name for diag msgs */ struct osl_info *osh; /* os handle */ + void *pbus; /* bus handle */ si_t *sih; /* sb handle */ bool dma64; /* this dma engine is operating in 64-bit mode */ @@ -201,7 +202,7 @@ static void _dma_counterreset(dma_info_t *di); static void _dma_fifoloopbackenable(dma_info_t *di); static uint _dma_ctrlflags(dma_info_t *di, uint mask, uint flags); static u8 dma_align_sizetobits(uint size); -static void *dma_ringalloc(struct osl_info *osh, u32 boundary, uint size, +static void *dma_ringalloc(dma_info_t *di, u32 boundary, uint size, u16 *alignbits, uint *alloced, dmaaddr_t *descpa, osldma_t **dmah); @@ -338,6 +339,7 @@ struct hnddma_pub *dma_attach(struct osl_info *osh, char *name, si_t *sih, di->osh = osh; di->sih = sih; + di->pbus = osh->pdev; /* save tunables */ di->ntxd = (u16) ntxd; @@ -531,7 +533,7 @@ static bool _dma_alloc(dma_info_t *di, uint direction) return dma64_alloc(di, direction); } -void *dma_alloc_consistent(struct osl_info *osh, uint size, u16 align_bits, +void *dma_alloc_consistent(struct pci_dev *pdev, uint size, u16 align_bits, uint *alloced, unsigned long *pap) { if (align_bits) { @@ -540,7 +542,7 @@ void *dma_alloc_consistent(struct osl_info *osh, uint size, u16 align_bits, size += align; *alloced = size; } - return pci_alloc_consistent(osh->pdev, size, (dma_addr_t *) pap); + return pci_alloc_consistent(pdev, size, (dma_addr_t *) pap); } /* !! may be called with core in reset */ @@ -555,11 +557,11 @@ static void _dma_detach(dma_info_t *di) /* free dma descriptor rings */ if (di->txd64) - pci_free_consistent(di->osh->pdev, di->txdalloc, + pci_free_consistent(di->pbus, di->txdalloc, ((s8 *)di->txd64 - di->txdalign), (di->txdpaorig)); if (di->rxd64) - pci_free_consistent(di->osh->pdev, di->rxdalloc, + pci_free_consistent(di->pbus, di->rxdalloc, ((s8 *)di->rxd64 - di->rxdalign), (di->rxdpaorig)); @@ -880,7 +882,7 @@ static bool BCMFASTPATH _dma_rxfill(dma_info_t *di) memset(&di->rxp_dmah[rxout], 0, sizeof(hnddma_seg_map_t)); - pa = pci_map_single(di->osh->pdev, p->data, + pa = pci_map_single(di->pbus, p->data, di->rxbufsize, PCI_DMA_FROMDEVICE); ASSERT(IS_ALIGNED(PHYSADDRLO(pa), 4)); @@ -1086,7 +1088,7 @@ u8 dma_align_sizetobits(uint size) * descriptor ring size aligned location. This will ensure that the ring will * not cross page boundary */ -static void *dma_ringalloc(struct osl_info *osh, u32 boundary, uint size, +static void *dma_ringalloc(dma_info_t *di, u32 boundary, uint size, u16 *alignbits, uint *alloced, dmaaddr_t *descpa, osldma_t **dmah) { @@ -1094,7 +1096,7 @@ static void *dma_ringalloc(struct osl_info *osh, u32 boundary, uint size, u32 desc_strtaddr; u32 alignbytes = 1 << *alignbits; - va = dma_alloc_consistent(osh, size, *alignbits, alloced, descpa); + va = dma_alloc_consistent(di->pbus, size, *alignbits, alloced, descpa); if (NULL == va) return NULL; @@ -1103,8 +1105,8 @@ static void *dma_ringalloc(struct osl_info *osh, u32 boundary, uint size, if (((desc_strtaddr + size - 1) & boundary) != (desc_strtaddr & boundary)) { *alignbits = dma_align_sizetobits(size); - pci_free_consistent(osh->pdev, size, va, *descpa); - va = dma_alloc_consistent(osh, size, *alignbits, + pci_free_consistent(di->pbus, size, va, *descpa); + va = dma_alloc_consistent(di->pbus, size, *alignbits, alloced, descpa); } return va; @@ -1228,7 +1230,7 @@ static bool dma64_alloc(dma_info_t *di, uint direction) align = (1 << align_bits); if (direction == DMA_TX) { - va = dma_ringalloc(di->osh, D64RINGALIGN, size, &align_bits, + va = dma_ringalloc(di, D64RINGALIGN, size, &align_bits, &alloced, &di->txdpaorig, &di->tx_dmah); if (va == NULL) { DMA_ERROR(("%s: dma64_alloc: DMA_ALLOC_CONSISTENT(ntxd) failed\n", di->name)); @@ -1246,7 +1248,7 @@ static bool dma64_alloc(dma_info_t *di, uint direction) di->txdalloc = alloced; ASSERT(IS_ALIGNED((unsigned long)di->txd64, align)); } else { - va = dma_ringalloc(di->osh, D64RINGALIGN, size, &align_bits, + va = dma_ringalloc(di, D64RINGALIGN, size, &align_bits, &alloced, &di->rxdpaorig, &di->rx_dmah); if (va == NULL) { DMA_ERROR(("%s: dma64_alloc: DMA_ALLOC_CONSISTENT(nrxd) failed\n", di->name)); @@ -1397,7 +1399,7 @@ static int dma64_txunframed(dma_info_t *di, void *buf, uint len, bool commit) if (len == 0) return 0; - pa = pci_map_single(di->osh->pdev, buf, len, PCI_DMA_TODEVICE); + pa = pci_map_single(di->pbus, buf, len, PCI_DMA_TODEVICE); flags = (D64_CTRL1_SOF | D64_CTRL1_IOC | D64_CTRL1_EOF); @@ -1477,7 +1479,7 @@ 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 = pci_map_single(di->osh->pdev, data, len, PCI_DMA_TODEVICE); + pa = pci_map_single(di->pbus, data, len, PCI_DMA_TODEVICE); if (DMASGLIST_ENAB) { map = &di->txp_dmah[txout]; @@ -1639,7 +1641,7 @@ static void *BCMFASTPATH dma64_getnexttxp(dma_info_t *di, txd_range_t range) i = NEXTTXD(i); } - pci_unmap_single(di->osh->pdev, pa, size, PCI_DMA_TODEVICE); + pci_unmap_single(di->pbus, pa, size, PCI_DMA_TODEVICE); } di->txin = i; @@ -1690,7 +1692,7 @@ static void *BCMFASTPATH dma64_getnextrxp(dma_info_t *di, bool forceall) di->dataoffsethigh)); /* clear this packet from the descriptor ring */ - pci_unmap_single(di->osh->pdev, pa, di->rxbufsize, PCI_DMA_FROMDEVICE); + pci_unmap_single(di->pbus, pa, di->rxbufsize, PCI_DMA_FROMDEVICE); W_SM(&di->rxd64[i].addrlow, 0xdeadbeef); W_SM(&di->rxd64[i].addrhigh, 0xdeadbeef); |