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Date: Tue, 11 Mar 2014 14:26:32 +0000 From: Ian Abbott <abbotti@....co.uk> To: Chase Southwood <chase.southwood@...oo.com>, gregkh@...uxfoundation.org CC: hsweeten@...ionengravers.com, devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v3 1/2] Staging: comedi: convert while loops to timeouts in s626.c On 2014-03-09 04:00, Chase Southwood wrote: > This patch changes a handful of while loops to timeouts to prevent > infinite looping on hardware failure. A couple such loops are in a > function (s626_debi_transfer()) which is called from critical sections, > so comedi_timeout() is unusable for them, and an iterative timeout is > used instead. For the while loops in a context where comedi_timeout() is > allowed, a new callback function, s626_send_dac_eoc(), has been defined > to evaluate the conditions that the while loops are testing. The new > callback employs a switch statement based on a simple new enum so that > it is usable for all of the different conditions tested in while loops > in s626_send_dac(). The proper comedi_timeout() calls are then used. > > Signed-off-by: Chase Southwood <chase.southwood@...oo.com> > --- > Ian, here is a version of this patchset employing the enum you recommended. > The second patch has been rebased on top of this one. > > 2: Used comedi_timeout() where appropriate, introduce callback function > > 3: Updated callback to switch on new enum. Reviewed-by: Ian Abbott <abbotti@....co.uk> For future reference, for patches affecting a single comedi driver, we usually title the patches like this: staging: comedi: name_of_driver: summary of patch -- -=( Ian Abbott @ MEV Ltd. E-mail: <abbotti@....co.uk> )=- -=( Tel: +44 (0)161 477 1898 FAX: +44 (0)161 718 3587 )=- -- 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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