From mboxrd@z Thu Jan 1 00:00:00 1970 From: vinod.koul@intel.com (Vinod Koul) Date: Wed, 16 Apr 2014 21:31:09 +0530 Subject: [PATCH RESEND] dma: mmp_pdma: add support for residue reporting In-Reply-To: <534E9AC1.1040706@zonque.org> References: <1392636546-15541-1-git-send-email-zonque@gmail.com> <20140319151352.GJ1976@intel.com> <534576C3.2020409@zonque.org> <20140416064534.GL32284@intel.com> <534E3F3D.5080003@zonque.org> <20140416082326.GM32284@intel.com> <534E4172.8030401@zonque.org> <20140416090923.GR32284@intel.com> <534E9AC1.1040706@zonque.org> Message-ID: <20140416160109.GU32284@intel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Apr 16, 2014 at 04:59:13PM +0200, Daniel Mack wrote: > On 04/16/2014 11:09 AM, Vinod Koul wrote: > > On Wed, Apr 16, 2014 at 10:38:10AM +0200, Daniel Mack wrote: > >>>> It might add to the readability of the drivers, but for the current > >>>> case, I don't think it's really necessary. > >>> That is because you are maintaining the current descriptors in chain_running. If > >>> we use above method then you dont need to use this, right? > >> > >> Jup, but that would result in a rewrite of larger parts of the code. The > >> concept of hot-linking the two list so there's only one resulting list > >> of currently active descriptors is built-in deeply into the driver's > >> concept. > > Ah I suspected so :) > > > > I think for now this is fine you can perhaps upgrade this later :) > > So, do you want me to resend with the minor dma_set_residue() change? Yes please... -- ~Vinod