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authorAlexandre Bounine <alexandre.bounine@idt.com>2010-10-27 15:34:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 18:03:16 -0700
commite274e0ed0a2ac31d5eaf7c891e4e1d99197517b2 (patch)
treecae2c7911b21f8ddbf52ee4fdef6673997240529 /drivers/rapidio/rio.c
parent6429cd49f45450cd77a57b70b0dfa98fe2794da0 (diff)
downloadop-kernel-dev-e274e0ed0a2ac31d5eaf7c891e4e1d99197517b2.zip
op-kernel-dev-e274e0ed0a2ac31d5eaf7c891e4e1d99197517b2.tar.gz
rapidio: add device access check into the enumeration
Add explicit device access check before performing device enumeration. This gives a chance to clear possible link error conditions by issuing safe maintenance read request(s). 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/rio.c')
-rw-r--r--drivers/rapidio/rio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index aefc2a0..fa5e3cb 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -546,7 +546,7 @@ err_out:
* @destid: Device destination ID in network
* @hopcount: Number of hops into the network
*/
-static int
+int
rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid, u8 hopcount)
{
int i = 0;
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