diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-23 11:47:02 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-23 11:47:02 -0700 |
commit | 5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0 (patch) | |
tree | 7851ef1c93aa1aba7ef327ca4b75fd35e6d10f29 /drivers/net/stmmac/dwmac100_dma.c | |
parent | 02f36038c568111ad4fc433f6fa760ff5e38fab4 (diff) | |
parent | ec37a48d1d16c30b655ac5280209edf52a6775d4 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits)
bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL.
vlan: Calling vlan_hwaccel_do_receive() is always valid.
tproxy: use the interface primary IP address as a default value for --on-ip
tproxy: added IPv6 support to the socket match
cxgb3: function namespace cleanup
tproxy: added IPv6 support to the TPROXY target
tproxy: added IPv6 socket lookup function to nf_tproxy_core
be2net: Changes to use only priority codes allowed by f/w
tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled
tproxy: added tproxy sockopt interface in the IPV6 layer
tproxy: added udp6_lib_lookup function
tproxy: added const specifiers to udp lookup functions
tproxy: split off ipv6 defragmentation to a separate module
l2tp: small cleanup
nf_nat: restrict ICMP translation for embedded header
can: mcp251x: fix generation of error frames
can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set
can-raw: add msg_flags to distinguish local traffic
9p: client code cleanup
rds: make local functions/variables static
...
Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and
drivers/net/wireless/ath/ath9k/debug.c as per David
Diffstat (limited to 'drivers/net/stmmac/dwmac100_dma.c')
-rw-r--r-- | drivers/net/stmmac/dwmac100_dma.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/net/stmmac/dwmac100_dma.c b/drivers/net/stmmac/dwmac100_dma.c index 2fece7b72727..e3e224b7d9e2 100644 --- a/drivers/net/stmmac/dwmac100_dma.c +++ b/drivers/net/stmmac/dwmac100_dma.c @@ -31,14 +31,22 @@ #include "dwmac100.h" #include "dwmac_dma.h" -static int dwmac100_dma_init(unsigned long ioaddr, int pbl, u32 dma_tx, +static int dwmac100_dma_init(void __iomem *ioaddr, int pbl, u32 dma_tx, u32 dma_rx) { u32 value = readl(ioaddr + DMA_BUS_MODE); + int limit; + /* DMA SW reset */ value |= DMA_BUS_MODE_SFT_RESET; writel(value, ioaddr + DMA_BUS_MODE); - do {} while ((readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET)); + limit = 15000; + while (limit--) { + if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET)) + break; + } + if (limit < 0) + return -EBUSY; /* Enable Application Access by writing to DMA CSR0 */ writel(DMA_BUS_MODE_DEFAULT | (pbl << DMA_BUS_MODE_PBL_SHIFT), @@ -58,7 +66,7 @@ static int dwmac100_dma_init(unsigned long ioaddr, int pbl, u32 dma_tx, /* Store and Forward capability is not used at all.. * The transmit threshold can be programmed by * setting the TTC bits in the DMA control register.*/ -static void dwmac100_dma_operation_mode(unsigned long ioaddr, int txmode, +static void dwmac100_dma_operation_mode(void __iomem *ioaddr, int txmode, int rxmode) { u32 csr6 = readl(ioaddr + DMA_CONTROL); @@ -73,7 +81,7 @@ static void dwmac100_dma_operation_mode(unsigned long ioaddr, int txmode, writel(csr6, ioaddr + DMA_CONTROL); } -static void dwmac100_dump_dma_regs(unsigned long ioaddr) +static void dwmac100_dump_dma_regs(void __iomem *ioaddr) { int i; @@ -91,7 +99,7 @@ static void dwmac100_dump_dma_regs(unsigned long ioaddr) /* DMA controller has two counters to track the number of * the receive missed frames. */ static void dwmac100_dma_diagnostic_fr(void *data, struct stmmac_extra_stats *x, - unsigned long ioaddr) + void __iomem *ioaddr) { struct net_device_stats *stats = (struct net_device_stats *)data; u32 csr8 = readl(ioaddr + DMA_MISSED_FRAME_CTR); @@ -118,7 +126,7 @@ static void dwmac100_dma_diagnostic_fr(void *data, struct stmmac_extra_stats *x, } } -struct stmmac_dma_ops dwmac100_dma_ops = { +const struct stmmac_dma_ops dwmac100_dma_ops = { .init = dwmac100_dma_init, .dump_regs = dwmac100_dump_dma_regs, .dma_mode = dwmac100_dma_operation_mode, |