xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[RAPIDIO] Auto-probe the RapidIO system size

Browse Source 
The RapidIO system size will auto probe in RIO setup.  The route table
and rionet_active in rionet.c are changed to be allocated dynamically
according to the size of the system.

Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Zhang Wei
2008-04-18 13:33:42 -07:00
committed by Paul Mackerras
parent cc2bb6968a
commit e042323607
8 changed files with 71 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/net/rionet.c
View File

@@ -77,7 +77,7 @@ static int rionet_capable = 1;
* could be made into a hash table to save memory depending
* on system trade-offs.
*/
static struct rio_dev *rionet_active[RIO_MAX_ROUTE_ENTRIES];
static struct rio_dev **rionet_active;
#define is_rionet_capable(pef, src_ops, dst_ops) \
((pef & RIO_PEF_INB_MBOX) && \
@@ -195,7 +195,8 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
}
if (eth->h_dest[0] & 0x01) {
for (i = 0; i < RIO_MAX_ROUTE_ENTRIES; i++)
for (i = 0; i < RIO_MAX_ROUTE_ENTRIES(rnet->mport->sys_size);
i++)
if (rionet_active[i])
rionet_queue_tx_msg(skb, ndev,
rionet_active[i]);
@@ -385,6 +386,8 @@ static void rionet_remove(struct rio_dev *rdev)
struct net_device *ndev = NULL;
struct rionet_peer *peer, *tmp;
free_pages((unsigned long)rionet_active, rdev->net->hport->sys_size ?
__ilog2(sizeof(void *)) + 4 : 0);
unregister_netdev(ndev);
kfree(ndev);
@@ -443,6 +446,15 @@ static int rionet_setup_netdev(struct rio_mport *mport)
goto out;
}
rionet_active = (struct rio_dev **)__get_free_pages(GFP_KERNEL,
mport->sys_size ? __ilog2(sizeof(void *)) + 4 : 0);
if (!rionet_active) {
rc = -ENOMEM;
goto out;
}
memset((void *)rionet_active, 0, sizeof(void *) *
RIO_MAX_ROUTE_ENTRIES(mport->sys_size));
/* Set up private area */
rnet = (struct rionet_private *)ndev->priv;
rnet->mport = mport;