From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELsuCh5QAzsDC1D3Jzs4Z9llv1qe3V4f+s5vFsGK8P+QU/p++gQHuT/ZWdgb4yct1RLpzoHD ARC-Seal: i=1; a=rsa-sha256; t=1521483344; cv=none; d=google.com; s=arc-20160816; b=jTWFonSDyVlNtiK5IZ4nRRzGHOL+TSM56+TgP4AVV/mJnBLXLugJinJL+0QHmDpd7P e8g807t71PtGLz1VM3gBulqd2KyXU+zhYj2ZVE3XdgDvG/U5djvQCt+mHxy9z4niYGGL QvaODRoBwhq6fQf4NMqfs7ExBI1uVdb5oHCy1ptBrzAn2OtSNEqSOMNS/iwT+pjsm5mk FxKMwdonV3SwAt/RZCyLJDYFwbs1+IPRv2PbTS8We7GBsV3BSlAieWfjx3pxLYl6F7M3 XFmlSA7vpR2h8avex+0OfE5Y4jCRuEroAewcjYkVZb5ieQ1XdrE5El9VEGF4Ae+DyQvH 6Afw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=1RO4UiZ8opG76DaoePfZoeS9nYrKE1zOPT82lXPjcWo=; b=g6dDlOeTXS00w6hKI2+2YJBp92BeuEJhSdH6gxfMxAsTapLY5ajjHu/VT/XsuCrN7l UbP+5BiQVJT6J4/+N2PkIUSJzBifl1j9ip+FkgQdI/+qEjcruqxYaqou5uhFkK12X6f7 LipAbnEXo1vhRo8luzHuVxdtwk+NIdNDzzdIgSvr/TAwbrAXDpRU808b9R3epbAffe2B BfGBgsTITrfHQ8wRgljJ5CV6i83HHXZOC1YtjzjQUeZhfhXLNuRtawy2F8UgAw81p2vJ C/PRhatsQCXNw7Kjusfg3fM5FeINGDEKQXNAJZmhzcif6hqpXr8j9e2bfOT6vhCVPJVA QzYg== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jagdish Gediya , Prabhakar Kushwaha , Boris Brezillon , Sasha Levin Subject: [PATCH 4.4 090/134] mtd: nand: ifc: update bufnum mask for ver >= 2.0.0 Date: Mon, 19 Mar 2018 19:06:13 +0100 Message-Id: <20180319171902.315537895@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180319171849.024066323@linuxfoundation.org> References: <20180319171849.024066323@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1595390612053939105?= X-GMAIL-MSGID: =?utf-8?q?1595390918895977569?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jagdish Gediya [ Upstream commit bccb06c353af3764ca86d9da47652458e6c2eb41 ] Bufnum mask is used to calculate page position in the internal SRAM. As IFC version 2.0.0 has 16KB of internal SRAM as compared to older versions which had 8KB. Hence bufnum mask needs to be updated. Signed-off-by: Jagdish Gediya Signed-off-by: Prabhakar Kushwaha Signed-off-by: Boris Brezillon Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/mtd/nand/fsl_ifc_nand.c | 7 +++++++ 1 file changed, 7 insertions(+) --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -988,6 +988,13 @@ static int fsl_ifc_chip_init(struct fsl_ if (ctrl->version == FSL_IFC_VERSION_1_1_0) fsl_ifc_sram_init(priv); + /* + * As IFC version 2.0.0 has 16KB of internal SRAM as compared to older + * versions which had 8KB. Hence bufnum mask needs to be updated. + */ + if (ctrl->version >= FSL_IFC_VERSION_2_0_0) + priv->bufnum_mask = (priv->bufnum_mask * 2) + 1; + return 0; }