From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.bootlin.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1ffu7r-0006En-Cs for linux-mtd@lists.infradead.org; Wed, 18 Jul 2018 21:36:48 +0000 Date: Wed, 18 Jul 2018 23:36:37 +0200 From: Boris Brezillon To: Miquel Raynal Cc: Abhishek Sahu , David Woodhouse , Brian Norris , Marek Vasut , Richard Weinberger , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Andy Gross Subject: Re: [PATCH 4/5] mtd: rawnand: qcom: update BBT related flags Message-ID: <20180718233637.49a39751@bbrezillon> In-Reply-To: <20180718231526.38046099@xps13> References: <1530863519-5564-1-git-send-email-absahu@codeaurora.org> <1530863519-5564-5-git-send-email-absahu@codeaurora.org> <20180718231526.38046099@xps13> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 18 Jul 2018 23:15:26 +0200 Miquel Raynal wrote: > Hi Abhishek, >=20 > Abhishek Sahu wrote on Fri, 6 Jul 2018 > 13:21:58 +0530: >=20 > > Remove the NAND_SKIP_BBTSCAN to use RAM based BBT. =20 >=20 > Unless I am understanding it the wrong way, NAND_SKIP_BBTSCAN will skip > the scan of the on-chip BBT and will scan every block to construct a > RAM, based BBT thanks to the BBM. >=20 > So flash based BBT is already unused and removing this flag is a > mistake, right? ->scan_bbt() is also taking care of building the in-RAM BBT based on BBM when no on-flash BBT is provided, so I think it's the right thing to do. >=20 > > Flash based BBT is not used since bootloaders > > doesn't have support for the same. > >=20 > > Signed-off-by: Abhishek Sahu > > --- =20 >=20 > Thanks, > Miqu=C3=A8l >=20