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| author | Matt Porter <mporter@kernel.crashing.org> | 2005-11-07 01:00:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 07:53:46 -0800 |
| commit | fa78cc51794912b7e6ee98cd823fcc84cf79d04a (patch) | |
| tree | 89366fdfc1c1cd48923c72464f38d8d1e2321f6b /drivers/rapidio/rio-scan.c | |
| parent | eb188d0e857c436b5d365d5ccc629da5a06ed102 (diff) | |
| download | linux-fa78cc51794912b7e6ee98cd823fcc84cf79d04a.tar.gz linux-fa78cc51794912b7e6ee98cd823fcc84cf79d04a.tar.bz2 linux-fa78cc51794912b7e6ee98cd823fcc84cf79d04a.zip | |
[PATCH] rapidio: core updates
Addresses issues raised with the 2.6.12-rc6-mm1 RIO support. Fix dma_mask
init, shrink some code, general cleanup.
Signed-off-by: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/rapidio/rio-scan.c')
| -rw-r--r-- | drivers/rapidio/rio-scan.c | 35 |
1 files changed, 10 insertions, 25 deletions
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c index 20e1d8f74597..4f7ed4bd3be9 100644 --- a/drivers/rapidio/rio-scan.c +++ b/drivers/rapidio/rio-scan.c @@ -15,6 +15,7 @@ #include <linux/kernel.h> #include <linux/delay.h> +#include <linux/dma-mapping.h> #include <linux/init.h> #include <linux/rio.h> #include <linux/rio_drv.h> @@ -33,7 +34,8 @@ static LIST_HEAD(rio_switches); static void rio_enum_timeout(unsigned long); -spinlock_t rio_global_list_lock = SPIN_LOCK_UNLOCKED; +DEFINE_SPINLOCK(rio_global_list_lock); + static int next_destid = 0; static int next_switchid = 0; static int next_net = 0; @@ -55,9 +57,6 @@ static int rio_sport_phys_table[] = { -1, }; -extern struct rio_route_ops __start_rio_route_ops[]; -extern struct rio_route_ops __end_rio_route_ops[]; - /** * rio_get_device_id - Get the base/extended device id for a device * @port: RIO master port @@ -85,8 +84,7 @@ static u16 rio_get_device_id(struct rio_mport *port, u16 destid, u8 hopcount) * * Writes the base/extended device id from a device. */ -static void -rio_set_device_id(struct rio_mport *port, u16 destid, u8 hopcount, u16 did) +static void rio_set_device_id(struct rio_mport *port, u16 destid, u8 hopcount, u16 did) { rio_mport_write_config_32(port, destid, hopcount, RIO_DID_CSR, RIO_SET_DID(did)); @@ -192,23 +190,9 @@ static int rio_enum_host(struct rio_mport *port) static int rio_device_has_destid(struct rio_mport *port, int src_ops, int dst_ops) { - if (((src_ops & RIO_SRC_OPS_READ) || - (src_ops & RIO_SRC_OPS_WRITE) || - (src_ops & RIO_SRC_OPS_ATOMIC_TST_SWP) || - (src_ops & RIO_SRC_OPS_ATOMIC_INC) || - (src_ops & RIO_SRC_OPS_ATOMIC_DEC) || - (src_ops & RIO_SRC_OPS_ATOMIC_SET) || - (src_ops & RIO_SRC_OPS_ATOMIC_CLR)) && - ((dst_ops & RIO_DST_OPS_READ) || - (dst_ops & RIO_DST_OPS_WRITE) || - (dst_ops & RIO_DST_OPS_ATOMIC_TST_SWP) || - (dst_ops & RIO_DST_OPS_ATOMIC_INC) || - (dst_ops & RIO_DST_OPS_ATOMIC_DEC) || - (dst_ops & RIO_DST_OPS_ATOMIC_SET) || - (dst_ops & RIO_DST_OPS_ATOMIC_CLR))) { - return 1; - } else - return 0; + u32 mask = RIO_OPS_READ | RIO_OPS_WRITE | RIO_OPS_ATOMIC_TST_SWP | RIO_OPS_ATOMIC_INC | RIO_OPS_ATOMIC_DEC | RIO_OPS_ATOMIC_SET | RIO_OPS_ATOMIC_CLR; + + return !!((src_ops | dst_ops) & mask); } /** @@ -383,8 +367,9 @@ static struct rio_dev *rio_setup_device(struct rio_net *net, rdev->dev.release = rio_release_dev; rio_dev_get(rdev); - rdev->dev.dma_mask = (u64 *) 0xffffffff; - rdev->dev.coherent_dma_mask = 0xffffffffULL; + rdev->dma_mask = DMA_32BIT_MASK; + rdev->dev.dma_mask = &rdev->dma_mask; + rdev->dev.coherent_dma_mask = DMA_32BIT_MASK; if ((rdev->pef & RIO_PEF_INB_DOORBELL) && (rdev->dst_ops & RIO_DST_OPS_DOORBELL)) |