From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELsiugdHjcuruIHga4fDsBWXps3kOU6CpaI0NqymCeRHYlAcf0e0RpVA2uMiwZ91hq+Oy1T/ ARC-Seal: i=1; a=rsa-sha256; t=1521484031; cv=none; d=google.com; s=arc-20160816; b=u/721JA1fVgW1NrlR4kRixxHRNATV70t7LF3pOpQGLNhjEF02WYsmqYslN2WH3l7j0 XQ38qrfQsRpwyP80WnTOrFLWKhAc0uatVJakQ08GnT9n6iysYxSCPD0Er/vTK2pn/XzO lYWdAL8Ij92rHos+gHQtokfCoW8fsvPe1Fq0mY3ZlRoTF33WywGbisA1AdO/nMmPAMPM YiI60RhqLFfWlrO0QQznM1VRgCxoIyUEm1QLT5i2sjPbjHjEfOd0+/AwHYMhhuvNJ0Al rIXixIYp6nBVWqchqVUsv8bXRT/5iTtSJOYbUTsYRO1/Lbl1EsP4FGanmLzCVxX8MIMw 6meg== 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=LtatiJiyobRU1ZmtFkOk9YR6LT1ocdkHf9au6bgqSYM=; b=cbevG5+LhcFpNL5tzUR8hsmhPgYWwaZ3JdSxxXePn6CWTGIh34lNJ+JDvhms9TUV0F N49C9FYZLKpu0N9wq3bN9hkBbzkBPpd4uEtfL+Qv1UzarMrw3KgufoZrC9GNudYnOIVd z24B2USmdufJF/NCDScIonlY2WeSWcDThV4LG+Q4oCO2iY84mhaJcJBw6zDmZUXRz+3T faQJHi13Fc+yB2FyVXxkGHY37Ahu823ok4msFUDJg4wgOkBBlWSGjM3lgeoZZaMCx4pg nUtC/OEBd4eYRIEs2Di3/XSqr1TIM0PldmyQEgHQ9z4akb/9PZ0EnpxJ3q3Bvw1X+7+Q mGIw== 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 4.9 179/241] mtd: nand: ifc: update bufnum mask for ver >= 2.0.0 Date: Mon, 19 Mar 2018 19:07:24 +0100 Message-Id: <20180319180758.562318183@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180319180751.172155436@linuxfoundation.org> References: <20180319180751.172155436@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?1595391639709694884?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-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 @@ -907,6 +907,13 @@ 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; }