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authorHauke Mehrtens <hauke@hauke-m.de>2012-06-30 15:16:18 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-07-10 12:16:55 -0400
commitec5ab1dd73a4b28c2e02d8ad585cae01ad626c9a (patch)
tree34d8537bf6785941491fe63eb2ff55f4aac23fc1 /drivers/net/wireless/brcm80211
parent093cd33497d4f3336bf0940a0fa1d5659dbe68d2 (diff)
brcmsmac: fix DMA on SoCs
These extra offsets are only needed by PCIe devices and not when running on an SoC. This partly reverts commit: commit 821e4e93172e4f7d5ac1eade04665c3dc5049c4a Author: Roland Vossen <rvossen@broadcom.com> Date: Mon Aug 8 15:58:58 2011 +0200 staging: brcm80211: removed unused bus code from softmac Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211')
-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/dma.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
index b67b20c9571..f64c5cf3fcc 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
@@ -573,6 +573,7 @@ struct dma_pub *dma_attach(char *name, struct si_pub *sih,
struct dma_info *di;
u8 rev = core->id.rev;
uint size;
+ struct si_info *sii = container_of(sih, struct si_info, pub);
/* allocate private info structure */
di = kzalloc(sizeof(struct dma_info), GFP_ATOMIC);
@@ -633,11 +634,15 @@ struct dma_pub *dma_attach(char *name, struct si_pub *sih,
*/
di->ddoffsetlow = 0;
di->dataoffsetlow = 0;
- /* add offset for pcie with DMA64 bus */
- di->ddoffsetlow = 0;
- di->ddoffsethigh = SI_PCIE_DMA_H32;
+ /* for pci bus, add offset */
+ if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI) {
+ /* add offset for pcie with DMA64 bus */
+ di->ddoffsetlow = 0;
+ di->ddoffsethigh = SI_PCIE_DMA_H32;
+ }
di->dataoffsetlow = di->ddoffsetlow;
di->dataoffsethigh = di->ddoffsethigh;
+
/* WAR64450 : DMACtl.Addr ext fields are not supported in SDIOD core. */
if ((core->id.id == BCMA_CORE_SDIO_DEV)
&& ((rev > 0) && (rev <= 2)))