From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pa0-x22d.google.com ([2607:f8b0:400e:c03::22d]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZhKDR-0006et-MD for linux-mtd@lists.infradead.org; Wed, 30 Sep 2015 16:26:51 +0000 Received: by padhy16 with SMTP id hy16so45101092pad.1 for ; Wed, 30 Sep 2015 09:26:29 -0700 (PDT) Date: Wed, 30 Sep 2015 21:56:23 +0530 From: Sudip Mukherjee To: Brian Norris Cc: David Woodhouse , Dongsheng Yang , linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, lkp@intel.com Subject: Re: [PATCH v2] mtd: mtdram: fix build error Message-ID: <20150930162623.GB21569@sudip-pc> References: <1443619766-8134-1-git-send-email-sudipm.mukherjee@gmail.com> <20150930155107.GA5192@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150930155107.GA5192@localhost> List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, Sep 30, 2015 at 08:51:07AM -0700, Brian Norris wrote: > On Wed, Sep 30, 2015 at 06:59:26PM +0530, Sudip Mukherjee wrote: > > i386 allmodconfig fails with: > > ERROR: "__umoddi3" [drivers/mtd/devices/mtdram.ko] undefined! > > ERROR: "__moddi3" [drivers/mtd/devices/mtdram.ko] undefined! > > > > arm allmodconfig fails with: > > ERROR: "__aeabi_uldivmod" [drivers/mtd/devices/mtdram.ko] undefined! > > ERROR: "__aeabi_ldivmod" [drivers/mtd/devices/mtdram.ko] undefined! > > > > mips allmodconfig fails with: > > ERROR: "__umoddi3" [drivers/mtd/devices/mtdram.ko] undefined! > > ERROR: "__moddi3" [drivers/mtd/devices/mtdram.ko] undefined! > > > > The modulus operation is not being supported by these compilers. Use > > do_div() instead which returns the remainder. > > > > Fixes: 7827e3acad2d ("mtd: mtdram: check offs and len in mtdram->erase") > > Signed-off-by: Sudip Mukherjee > > --- > > > > v1 showed build warning with cris and xtensa. I have checked v2 with > > arm, cris and xtensa. > > I already reverted the bad patch, so this doesn't apply any more... > > If you want to send a squashed patch that redoes this properly, I can > take it. Ok. Sending the new patch. regards sudip