From patchwork Tue Nov 26 07:35:06 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Poddar, Sourav" X-Patchwork-Id: 294288 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from casper.infradead.org (unknown [IPv6:2001:770:15f::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id C0AAD2C0089 for ; Tue, 26 Nov 2013 21:23:40 +1100 (EST) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VlDDX-0006oh-Of; Tue, 26 Nov 2013 07:37:56 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VlDCi-0002uf-A6; Tue, 26 Nov 2013 07:37:04 +0000 Received: from devils.ext.ti.com ([198.47.26.153]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VlDC5-0002iI-Bp for linux-mtd@lists.infradead.org; Tue, 26 Nov 2013 07:36:26 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id rAQ7a2BD021275; Tue, 26 Nov 2013 01:36:02 -0600 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id rAQ7a2r3016690; Tue, 26 Nov 2013 01:36:02 -0600 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.2.342.3; Tue, 26 Nov 2013 01:36:02 -0600 Received: from a0131647.apr.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id rAQ7ZLXx030173; Tue, 26 Nov 2013 01:35:59 -0600 From: Sourav Poddar To: , , , Subject: [PATCH 10/17] spi/spi.h: Add mmap flag in spi master. Date: Tue, 26 Nov 2013 13:05:06 +0530 Message-ID: <1385451313-1875-11-git-send-email-sourav.poddar@ti.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1385451313-1875-1-git-send-email-sourav.poddar@ti.com> References: <1385451313-1875-1-git-send-email-sourav.poddar@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131126_023625_526528_446E62BA X-CRM114-Status: GOOD ( 11.45 ) X-Spam-Score: -6.9 (------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-6.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [198.47.26.153 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 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] Cc: devicetree@vger.kernel.org, Sourav Poddar , linux-omap@vger.kernel.org, bcousson@baylibre.com, balbi@ti.com X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Add "mmap" flag which can be used to show that the master controller supports memory mapped operations. Signed-off-by: Sourav Poddar --- include/linux/spi/spi.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 72565ff..9425ea4 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -299,6 +299,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * to be configured from slave specifics information(typical use case for * SPI flash device). * @mem: memory mapped address to be filled by master controller driver. + * @mmap: Shows that master controller supports memory mapped operation. * Each SPI master controller can communicate with one or more @spi_device * children. These make a small bus, sharing MOSI, MISO and SCK signals * but not chip select signals. Each device may be configured to use a @@ -437,6 +438,7 @@ struct spi_master { /* gpio chip select */ int *cs_gpios; + bool mmap; }; static inline void *spi_master_get_devdata(struct spi_master *master)