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authorMatt Porter <mporter@kernel.crashing.org>2005-11-07 01:00:18 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-07 07:53:46 -0800
commitfa78cc51794912b7e6ee98cd823fcc84cf79d04a (patch)
tree89366fdfc1c1cd48923c72464f38d8d1e2321f6b /drivers/rapidio/rio-scan.c
parenteb188d0e857c436b5d365d5ccc629da5a06ed102 (diff)
[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.c35
1 files changed, 10 insertions, 25 deletions
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 20e1d8f7459..4f7ed4bd3be 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))