lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Wed, 3 Feb 2016 16:51:34 +0000 From: David Laight <David.Laight@...LAB.COM> To: 'Paul Burton' <paul.burton@...tec.com>, "linux-mips@...ux-mips.org" <linux-mips@...ux-mips.org>, Ralf Baechle <ralf@...ux-mips.org> CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: RE: [PATCH v2 6/6] net: pch_gbe: Allow longer for resets From: Paul Burton > Sent: 03 February 2016 12:03 > Resets of the EG20T MAC on the MIPS Boston development board take longer > than the 1000 loops that pch_gbe_wait_clr_bit was performing. Bump up > the number of loops. ... > diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki- > semi/pch_gbe/pch_gbe_main.c > index 00ef83c..87994d2 100644 > --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c > +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c > @@ -321,7 +321,7 @@ static void pch_gbe_wait_clr_bit(void *reg, u32 bit) > u32 tmp; > > /* wait busy */ > - tmp = 1000; > + tmp = 10000; > while ((ioread32(reg) & bit) && --tmp) > cpu_relax(); > if (!tmp) Why not sleep for (say) 100us ? That'll stop the loop depending on the cpu speed. David
Powered by blists - more mailing lists