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rapidio: add architecture specific callbacks

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This set of patches eliminates RapidIO dependency on PowerPC architecture
and makes it available to other architectures (x86 and MIPS).  It also
enables support of new platform independent RapidIO controllers such as
PCI-to-SRIO and PCI Express-to-SRIO.

This patch:

Extend number of mport callback functions to eliminate direct linking of
architecture specific mport operations.

Signed-off-by: Alexandre Bounine <[email protected]>
Cc: Kumar Gala <[email protected]>
Cc: Matt Porter <[email protected]>
Cc: Li Yang <[email protected]>
Cc: Thomas Moll <[email protected]>
Cc: Micha Nelissen <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Alexandre Bounine 2011-03-23 16:43:02 -07:00 • committed by Linus Torvalds
commit f8f0626989
4 changed files with 75 additions and 45 deletions
Download patch file Download diff file Expand all files Collapse all files

38
drivers/rapidio/rio.c
View file

@ -68,9 +68,13 @@ int rio_request_inb_mbox(struct rio_mport *mport,
void (*minb) (struct rio_mport * mport, void *dev_id, int mbox,
int slot))
{
int rc = 0;
int rc = -ENOSYS;
struct resource *res;
struct resource *res = kmalloc(sizeof(struct resource), GFP_KERNEL);
if (mport->ops->open_inb_mbox == NULL)
goto out;
res = kmalloc(sizeof(struct resource), GFP_KERNEL);
if (res) {
rio_init_mbox_res(res, mbox, mbox);
@ -88,7 +92,7 @@ int rio_request_inb_mbox(struct rio_mport *mport,
/* Hook the inbound message callback */
mport->inb_msg[mbox].mcback = minb;
rc = rio_open_inb_mbox(mport, dev_id, mbox, entries);
rc = mport->ops->open_inb_mbox(mport, dev_id, mbox, entries);
} else
rc = -ENOMEM;
@ -106,10 +110,13 @@ int rio_request_inb_mbox(struct rio_mport *mport,
*/
int rio_release_inb_mbox(struct rio_mport *mport, int mbox)
{
rio_close_inb_mbox(mport, mbox);
if (mport->ops->close_inb_mbox) {
mport->ops->close_inb_mbox(mport, mbox);
/* Release the mailbox resource */
return release_resource(mport->inb_msg[mbox].res);
/* Release the mailbox resource */
return release_resource(mport->inb_msg[mbox].res);
} else
return -ENOSYS;
}
/**
@ -129,9 +136,13 @@ int rio_request_outb_mbox(struct rio_mport *mport,
int entries,
void (*moutb) (struct rio_mport * mport, void *dev_id, int mbox, int slot))
{
int rc = 0;
int rc = -ENOSYS;
struct resource *res;
struct resource *res = kmalloc(sizeof(struct resource), GFP_KERNEL);
if (mport->ops->open_outb_mbox == NULL)
goto out;
res = kmalloc(sizeof(struct resource), GFP_KERNEL);
if (res) {
rio_init_mbox_res(res, mbox, mbox);
@ -149,7 +160,7 @@ int rio_request_outb_mbox(struct rio_mport *mport,
/* Hook the inbound message callback */
mport->outb_msg[mbox].mcback = moutb;
rc = rio_open_outb_mbox(mport, dev_id, mbox, entries);
rc = mport->ops->open_outb_mbox(mport, dev_id, mbox, entries);
} else
rc = -ENOMEM;
@ -167,10 +178,13 @@ int rio_request_outb_mbox(struct rio_mport *mport,
*/
int rio_release_outb_mbox(struct rio_mport *mport, int mbox)
{
rio_close_outb_mbox(mport, mbox);
if (mport->ops->close_outb_mbox) {
mport->ops->close_outb_mbox(mport, mbox);
/* Release the mailbox resource */
return release_resource(mport->outb_msg[mbox].res);
/* Release the mailbox resource */
return release_resource(mport->outb_msg[mbox].res);
} else
return -ENOSYS;
}
/**