diff options
| author | Alexandre Bounine <alexandre.bounine@idt.com> | 2010-10-28 00:34:30 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-28 03:03:15 +0200 |
| commit | dd5648c9f53b5cbd9f948d752624400545f979fb (patch) | |
| tree | 9092a86701a6b4fa5cd722d4f3fc8b803d08b94c /drivers/rapidio/switches/idtcps.c | |
| parent | rapidio: add relation links between RIO device structures (diff) | |
| download | linux-dd5648c9f53b5cbd9f948d752624400545f979fb.tar.xz linux-dd5648c9f53b5cbd9f948d752624400545f979fb.zip | |
rapidio: add default handler for error-stopped state
The default error-stopped state handler provides recovery mechanism as
defined by RIO specification.
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Thomas Moll <thomas.moll@sysgo.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Micha Nelissen <micha@neli.hopto.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rapidio/switches/idtcps.c')
| -rw-r--r-- | drivers/rapidio/switches/idtcps.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/rapidio/switches/idtcps.c b/drivers/rapidio/switches/idtcps.c index 2c790c144f89..fc9f6374f759 100644 --- a/drivers/rapidio/switches/idtcps.c +++ b/drivers/rapidio/switches/idtcps.c @@ -117,6 +117,10 @@ idtcps_get_domain(struct rio_mport *mport, u16 destid, u8 hopcount, static int idtcps_switch_init(struct rio_dev *rdev, int do_enum) { + struct rio_mport *mport = rdev->net->hport; + u16 destid = rdev->rswitch->destid; + u8 hopcount = rdev->rswitch->hopcount; + pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev)); rdev->rswitch->add_entry = idtcps_route_add_entry; rdev->rswitch->get_entry = idtcps_route_get_entry; @@ -126,6 +130,12 @@ static int idtcps_switch_init(struct rio_dev *rdev, int do_enum) rdev->rswitch->em_init = NULL; rdev->rswitch->em_handle = NULL; + if (do_enum) { + /* set TVAL = ~50us */ + rio_mport_write_config_32(mport, destid, hopcount, + rdev->phys_efptr + RIO_PORT_LINKTO_CTL_CSR, 0x8e << 8); + } + return 0; } |