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[65.50.211.133]) by mx.google.com with ESMTPS id a95si1984711pli.38.2017.03.22.07.11.44 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Mar 2017 07:11:44 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-mtd-bounces+patch=linaro.org@lists.infradead.org designates 65.50.211.133 as permitted sender) client-ip=65.50.211.133; Authentication-Results: mx.google.com; dkim=pass header.i=@lists.infradead.org; dkim=neutral (body hash did not verify) header.i=@nifty.com; spf=pass (google.com: best guess record for domain of linux-mtd-bounces+patch=linaro.org@lists.infradead.org designates 65.50.211.133 as permitted sender) smtp.mailfrom=linux-mtd-bounces+patch=linaro.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=kxUZr+lQE/23bWMVsWEaGMob3wWKCOm2hPnPDZDQOeI=; b=Z4A9eggTJ4jgt7NTU0SsIec7UO 1GqpBi0nMdQnEpYt03foyo4FVn1JT21Cr5Pbp5fjBZqVeZ8jnHhV0x6qumEmxlIBw3GB6bLFJ+pNI lMMsPeSZYM55fFUgm23H5zKC6dSYHXShbfdXaagDILbXxlBn8zN9iAimtBsE+sRzR3ElzPbphxth/ MW0j2YKrN0pcIv0i0LDSvljNy6yPMHgzz2WOWc73qRx9uBR9u2SPvzIqDhkNN2aCBty5vxMpYgcJf wiPLUJEZxhThE3tWD6Toh5YdAxir7QIbxn6oVEIDuX/ga/4qZF12LOtc7WIjqn1tiDBABrYsnSbgm TOP1ve0w==; 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 1cqgzD-0001SM-1j; Wed, 22 Mar 2017 14:11:39 +0000 Received: from conuserg-07.nifty.com ([210.131.2.74]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cqgxI-00063E-Mp for linux-mtd@lists.infradead.org; Wed, 22 Mar 2017 14:09:50 +0000 Received: from pug.jp.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-07.nifty.com with ESMTP id v2ME8LDg010154; Wed, 22 Mar 2017 23:08:57 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-07.nifty.com v2ME8LDg010154 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1490191738; bh=lJjun7m07Up94XhckEfI9LGZQhK6861r5EIlvWfOCpk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qCPal1bfDyL2RcldgKgVfMGfO/5oK0EG5lFDyxUtPhxEgyPdYkgNbr7N2MrQI3aQ3 ScSwQBOca6OnGSGRyQJhVG91LOs1ilj6r1scxaVUtIhsJH4Ix13QwaMNP/GcGCbaka 1yvbH/MWVNn+y/01MGVpBWFYguTNqOxFLizaKCrWyD0OG53MHbUnGrwnuiyKd2J0oa fjuRRqO2dPLd7OD2U0ZcTWv0RAVdSzI1cxBHJnhnXebo/M3E/cCRY+EvreRpma7XVT YO1fhttfqOD/bQ/VFdOPeIqgWWmfrYbpguq5dAmUoiOZwMGSTVbqQwYpM4CImZmqKi UpPqA4sM/MpyA== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-mtd@lists.infradead.org Subject: [PATCH v2 23/53] mtd: nand: denali: set DEVICES_CONNECTED 1 if not set Date: Wed, 22 Mar 2017 23:07:30 +0900 Message-Id: <1490191680-14481-24-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1490191680-14481-1-git-send-email-yamada.masahiro@socionext.com> References: <1490191680-14481-1-git-send-email-yamada.masahiro@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170322_070941_269294_F69A66E5 X-CRM114-Status: GOOD ( 11.36 ) X-Spam-Score: -1.2 (-) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-1.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.7 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: laurent.monat@idquantique.com, Boris Brezillon , thorsten.christiansson@idquantique.com, Richard Weinberger , Marek Vasut , Masahiro Yamada , Artem Bityutskiy , Cyrille Pitchen , Jason Roberts , linux-kernel@vger.kernel.org, Dinh Nguyen , Masami Hiramatsu , Chuanxiao Dong , Jassi Brar , Brian Norris , Enrico Jorns , David Woodhouse , Graham Moore MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+patch=linaro.org@lists.infradead.org Currently, the driver expects DEVICE_CONNECTED is automatically set by the hardware, but this feature is disabled in some cases. In such cases, it is the software's responsibility to set up the DEVICES_CONNECTED register. Signed-off-by: Masahiro Yamada --- Changes in v2: None drivers/mtd/nand/denali.c | 9 +++++++++ 1 file changed, 9 insertions(+) -- 2.7.4 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c index abf8997..3da0a0e 100644 --- a/drivers/mtd/nand/denali.c +++ b/drivers/mtd/nand/denali.c @@ -1472,6 +1472,15 @@ static int denali_multidev_fixup(struct denali_nand_info *denali) */ denali->devnum = ioread32(denali->flash_reg + DEVICES_CONNECTED); + /* + * On some SoCs, DEVICES_CONNECTED is not auto-detected. + * For those, DEVICES_CONNECTED is left to 0. Set 1 if it is the case. + */ + if (denali->devnum == 0) { + denali->devnum = 1; + iowrite32(1, denali->flash_reg + DEVICES_CONNECTED); + } + if (denali->devnum == 1) return 0;