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[2620:137:e000::1:20]) by mx.google.com with ESMTP id y32-20020a4a9823000000b0042ffe365df6si1286307ooi.36.2022.07.21.03.17.27; Thu, 21 Jul 2022 03:17:42 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@walle.cc header.s=mail2016061301 header.b=dlLztd5s; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231972AbiGUJsG (ORCPT + 99 others); Thu, 21 Jul 2022 05:48:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229643AbiGUJsE (ORCPT ); Thu, 21 Jul 2022 05:48:04 -0400 Received: from ssl.serverraum.org (ssl.serverraum.org [176.9.125.105]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B23BA814B1 for ; Thu, 21 Jul 2022 02:48:03 -0700 (PDT) Received: from ssl.serverraum.org (web.serverraum.org [172.16.0.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id 2165622175; Thu, 21 Jul 2022 11:48:02 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1658396882; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AofoZ+Awy4KTTKs9IfzgAqyAOXi1iBgYwBCmm4WFRPs=; b=dlLztd5srxat/ijNxxPXIYfY+0NC6DAtlpp/3+6XbPqmj2TJjWl5kVZAdhnPxqHaYIub0n F5vMOeR/ICItBFd2kXbai14WnR56BwzHOmNsH6TW9qz9uYYI7AkT7VX+e3MKuRHKcm+xyc 38VqytfQSE0uKzWWrfLrq1X9OCDkJoQ= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 21 Jul 2022 11:48:02 +0200 From: Michael Walle To: Biju Das Cc: linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, miquel.raynal@bootlin.com, p.yadav@ti.com, richard@nod.at, tudor.ambarus@microchip.com, vigneshr@ti.com Subject: Re: [PATCH 5/6] mtd: spi-nor: add generic flash driver In-Reply-To: <202205132220.uRTFaqNA-lkp@intel.com> (raw) References: <20220513133520.3945820-6-michael@walle.cc> <202205132220.uRTFaqNA-lkp@intel.com> (raw) User-Agent: Roundcube Webmail/1.4.13 Message-ID: X-Sender: michael@walle.cc X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SORTED_RECIPS, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, >> + >> + /* Fallback to a generic flash described only by its SFDP data. */ >> + if (!info) { >> + ret = spi_nor_check_sfdp_signature(nor); >> + if (!ret) >> + info = &spi_nor_generic_flash; >> + } > > May be this can be combined as > > if (!info && (!spi_nor_check_sfdp_signature(nor))) > info = &spi_nor_generic_flash; While this is the behavior, I don't like (1) calling functions in the condition and (2) rely on the && and || semantics, i.e. to just call the second part if the first is true/false. -michael