From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 27 May 2021 09:18:02 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1lmAHK-00038o-7O for lore@lore.pengutronix.de; Thu, 27 May 2021 09:18:02 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lmAHJ-0005fp-BH for lore@pengutronix.de; Thu, 27 May 2021 09:18:02 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:From:In-Reply-To:MIME-Version: References:Message-ID:Subject:Cc:To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=BxsRdS5JZLYfRow9R4Dn5UOQXozqmfkEbzOcebRjiXo=; b=BsD6w1x6Shf3R0nFAsvHx0/pSO vpjkQXgV/sYIl6JfRsHg+LbN0DouqMPPZdNrbCy5euAzKFV8eW2BLmlVVDOb1r7gc+MWcvC6ZcyVA hsXqMPdmyYmiv+vAkp6XM8wBfrzs2bKCZ/J+flmg9GaWoOhEU1wtUeDLz9PP6TiQA2/Sexnj+nCnZ Wqrj0a6GgxnVzb5R4B58RZ4nFqYN7lPm6kdFilp3lm+7JZSXNWahjnjSvQVHgpkjWyQz7sjKC2ueO p15x2k4vN3ALnZZCQdE+Set4eZ6zjPTcP4CEgkqsQee2q+QAA2YIsHNrn6RsHZlOJE24KVG6hMCPJ mlVzDlxg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lmAFu-003I8c-T8; Thu, 27 May 2021 07:16:34 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lmAFq-003I79-6w for barebox@lists.infradead.org; Thu, 27 May 2021 07:16:31 +0000 Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lmAFo-0005b9-L8; Thu, 27 May 2021 09:16:28 +0200 Received: from sha by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1lmAFo-00073F-27; Thu, 27 May 2021 09:16:28 +0200 Date: Thu, 27 May 2021 09:16:28 +0200 To: Trent Piepho Cc: barebox@lists.infradead.org Message-ID: <20210527071628.GD19819@pengutronix.de> References: <20210526064805.367434-1-trent.piepho@igorinstitute.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210526064805.367434-1-trent.piepho@igorinstitute.com> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 09:12:50 up 98 days, 10:36, 108 users, load average: 0.11, 0.17, 0.17 User-Agent: Mutt/1.10.1 (2018-07-13) From: Sascha Hauer X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210527_001630_286895_F136148F X-CRM114-Status: GOOD ( 28.57 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH] mtd: nand: Add help text for i.MX NAND controllers X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) Hi Trent, On Tue, May 25, 2021 at 11:48:05PM -0700, Trent Piepho wrote: > From: Trent Piepho > > There are two different NAND drivers, used for different chips in the > i.MX range. It's quite confusing as to which to use. Add some help > text to clarify. > > Signed-off-by: Trent Piepho > --- > drivers/mtd/nand/Kconfig | 15 +++++++++++++-- > 1 file changed, 13 insertions(+), 2 deletions(-) > > diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig > index 7c9326089..9dd6851f3 100644 > --- a/drivers/mtd/nand/Kconfig > +++ b/drivers/mtd/nand/Kconfig > @@ -32,14 +32,25 @@ config NAND_ALLOW_ERASE_BAD > > config NAND_IMX > bool > - prompt "i.MX NAND driver" > + prompt "i.MX NAND driver aka 'mxc'" > depends on ARCH_IMX > + help > + Support for NAND flash on Freescale/NXP i.MX devices. This is for the > + "MXC" series: i.MX21/25/27/31/35/51/53. It is not for the "MXS" > + series i.MX processors (23 & 28), or i.MX6 and later, which use the > + NAND controller from the MSX processors. See the i.MX 'mxs' driver s/MSX/MXS/ > + for those chips. > > config NAND_MXS > bool > select STMP_DEVICE > - prompt "i.MX23/28/6 NAND driver" > + prompt "i.MX23/28 & 6+ NAND driver aka 'mxs'" > depends on MXS_APBH_DMA > + help > + Support for NAND flash on Freescale/NXP i.MX devices. This is for the > + "MXS" series: i.MX23/28 and all i.MX6 and later chips. It is not for > + the "MXC" series of i.MX processors in the i.MX 21 to 53 range. See > + the i.MX "msc" driver for those chips. s/msc/mxc/ In the kernel this driver is known as GPMI nand driver. Maybe we should add that term here as well? Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox