From patchwork Mon Jan 16 15:12:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastian Krause X-Patchwork-Id: 715797 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2001:1868:205::9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3v2Gvn6YF5z9stc for ; Tue, 17 Jan 2017 02:13:25 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cT8yG-0004zz-QP; Mon, 16 Jan 2017 15:13:20 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cT8yA-0004vE-4s for linux-mtd@lists.infradead.org; Mon, 16 Jan 2017 15:13:18 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7] helo=dude.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.84_2) (envelope-from ) id 1cT8xi-0007u5-Ct; Mon, 16 Jan 2017 16:12:46 +0100 From: Bastian Stender To: David Woodhouse Subject: [PATCH 1/2] mtd: spi-nor: make n_sectors in flash_info 32 bit wide Date: Mon, 16 Jan 2017 16:12:13 +0100 Message-Id: <20170116151214.11195-1-bst@pengutronix.de> X-Mailer: git-send-email 2.11.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: bst@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-mtd@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170116_071314_359913_62C6E07B X-CRM114-Status: GOOD ( 10.03 ) X-Spam-Score: -5.1 (-----) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-5.1 points) pts rule name description ---- ---------------------- -------------------------------------------------- -3.2 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Boris Brezillon , Richard Weinberger , Marek Vasut , linux-mtd@lists.infradead.org, kernel@pengutronix.de, Cyrille Pitchen , Brian Norris , Bastian Stender MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Since MRAM chips (like the Everspin mr25h40) are not sector organized they should be defined as n_sectors * 1 byte sectors. To be able to store the higher number of sectors n_sectors should be an unsigned 32 bit integer just like sector_size. Signed-off-by: Bastian Stender --- drivers/mtd/spi-nor/spi-nor.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index da7cd69d4857..c8399522c69d 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -55,7 +55,7 @@ struct flash_info { * necessarily called a "sector" by the vendor. */ unsigned sector_size; - u16 n_sectors; + unsigned n_sectors; u16 page_size; u16 addr_width;