Hi Greg, > -----Original Message----- > From: gregkh@xxxxxxxxxxxxxxxxxxx [mailto:gregkh@xxxxxxxxxxxxxxxxxxx] > Sent: Friday, November 24, 2017 9:29 PM > To: Laurentiu Tudor <laurentiu.tudor@xxxxxxx> > Cc: Bharat Bhushan <bharat.bhushan@xxxxxxx>; Ruxandra Ioana Radulescu > <ruxandra.radulescu@xxxxxxx>; devel@xxxxxxxxxxxxxxxxxxxx; > stuyoder@xxxxxxxxx; Roy Pledge <roy.pledge@xxxxxxx>; linux- > kernel@xxxxxxxxxxxxxxx; Leo Li <leoyang.li@xxxxxxx>; Bogdan Purcareata > <bogdan.purcareata@xxxxxxx>; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH v3] staging: fsl-mc: use 32bits to support 64K size mc- > portals > > On Wed, Nov 22, 2017 at 10:49:50AM +0000, Laurentiu Tudor wrote: > > > > > > On 11/22/2017 09:48 AM, Bharat Bhushan wrote: > > > As per APIs each mc-portal is of 64K size while currently 16bits > > > (type u16) is used to store size of mc-portal. > > > In these cases upper bit of portal size gets truncated. > > > > > > Signed-off-by: Bharat Bhushan <Bharat.Bhushan@xxxxxxx> > > > --- > > > > Ok, so just to clarify this fixes the case where size is equal (or > > maybe larger in the future) to 0x10000. > > Is this something that can happen today? Is this needed in 4.14 to fix a > problem people are having and need to be backported to stable, or can it > wait until 4.15? We can wait for 4.15 and no need to backport. Thanks -Bharat > > thanks, > > greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel