From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09390C55185 for ; Sat, 25 Apr 2020 08:25:38 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C23BC2071C for ; Sat, 25 Apr 2020 08:25:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="aO39+Kk0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C23BC2071C Authentication-Results: mail.kernel.org; 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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jSG7p-0004nT-SE; Sat, 25 Apr 2020 08:25:25 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jSG7n-0004lv-Pd for linux-mtd@lists.infradead.org; Sat, 25 Apr 2020 08:25:25 +0000 Received: from localhost (unknown [IPv6:2a01:e0a:2c:6930:5cf4:84a1:2763:fe0d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: bbrezillon) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 744D72A2D79; Sat, 25 Apr 2020 09:25:22 +0100 (BST) Date: Sat, 25 Apr 2020 10:25:19 +0200 From: Boris Brezillon To: Miquel Raynal Subject: Re: [PATCH v2 5/9] mtd: rawnand: onfi: Define the number of parameter pages Message-ID: <20200425102519.367cf1ea@collabora.com> In-Reply-To: <20200424164042.26572-6-miquel.raynal@bootlin.com> References: <20200424164042.26572-1-miquel.raynal@bootlin.com> <20200424164042.26572-6-miquel.raynal@bootlin.com> Organization: Collabora X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200425_012523_962165_24AEF20A X-CRM114-Status: GOOD ( 18.98 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Weinberger , linux-mtd@lists.infradead.org, Vignesh Raghavendra , Thomas Petazzoni , Tudor Ambarus Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Fri, 24 Apr 2020 18:40:38 +0200 Miquel Raynal wrote: > Use a macro to define the number of parameter page instead of > hardcoding it everywhere. > > Signed-off-by: Miquel Raynal > --- > drivers/mtd/nand/raw/nand_onfi.c | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/drivers/mtd/nand/raw/nand_onfi.c b/drivers/mtd/nand/raw/nand_onfi.c > index 7d9a3130443a..9fe39adbde4c 100644 > --- a/drivers/mtd/nand/raw/nand_onfi.c > +++ b/drivers/mtd/nand/raw/nand_onfi.c > @@ -16,6 +16,8 @@ > > #include "internals.h" > > +#define ONFI_PARAM_PAGES 3 > + > u16 onfi_crc16(u16 crc, u8 const *p, size_t len) > { > int i; > @@ -156,7 +158,7 @@ int nand_onfi_detect(struct nand_chip *chip) > return 0; > > /* ONFI chip: allocate a buffer to hold its parameter page */ > - p = kzalloc((sizeof(*p) * 3), GFP_KERNEL); > + p = kzalloc((sizeof(*p) * ONFI_PARAM_PAGES), GFP_KERNEL); > if (!p) > return -ENOMEM; > > @@ -166,7 +168,7 @@ int nand_onfi_detect(struct nand_chip *chip) > goto free_onfi_param_page; > } > > - for (i = 0; i < 3; i++) { > + for (i = 0; i < ONFI_PARAM_PAGES; i++) { > ret = nand_read_data_op(chip, &p[i], sizeof(*p), true); > if (ret) { > ret = 0; > @@ -181,8 +183,8 @@ int nand_onfi_detect(struct nand_chip *chip) > } > } > > - if (i == 3) { > - const void *srcbufs[3] = {p, p + 1, p + 2}; > + if (i == ONFI_PARAM_PAGES) { > + const void *srcbufs[ONFI_PARAM_PAGES] = {p, p + 1, p + 2}; > Maybe initialize the srcbufs array using a for loop so you can easily change ONFI_PARAM_PAGES without having to touch the code. Looks good otherwise, so Reviewed-by: Boris Breillon > pr_warn("Could not find a valid ONFI parameter page, trying bit-wise majority to recover it\n"); > nand_bit_wise_majority(srcbufs, ARRAY_SIZE(srcbufs), p, ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/