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Message-ID: <CAMjpGUf-AQHigrpBhxmOGJZgjfqfCWvRa29wURpGkVuj58suPg@mail.gmail.com> Date: Thu, 17 May 2012 01:23:09 -0400 From: Mike Frysinger <vapier.adi@...il.com> To: Shubhrajyoti Datta <omaplinuxkernel@...il.com> Cc: sonic.zhang@...log.com, Ben Dooks <ben-linux@...ff.org>, Wolfram Sang <w.sang@...gutronix.de>, linux-i2c@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, uclinux-dist-devel@...ckfin.uclinux.org Subject: Re: [PATCH 3/8] i2c: i2c-bfin-twi: Break dead waiting loop if i2c device misbehaves. On Thu, May 17, 2012 at 1:20 AM, Shubhrajyoti Datta <omaplinuxkernel@...il.com> wrote: > On Wed, May 16, 2012 at 12:50 PM, <sonic.zhang@...log.com> wrote: >> From: Sonic Zhang <sonic.zhang@...log.com> >> >> Some fault i2c device may hold the sda/scl line and cause i2c driver >> wait in the BUS busy loop. This patch breaks this potential dead >> loop. > > How about using a non-busy loop while you are at it. the timings here are fairly small ... -mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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