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[65.50.211.133]) by mx.google.com with ESMTPS id 205si6009588pfy.38.2017.10.17.08.30.41 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 17 Oct 2017 08:30:42 -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 header.s=bombadil.20170209 header.b=OvjiwBd3; dkim=neutral (body hash did not verify) header.i=@pobox.com header.s=sasl header.b=rNeRn3Xk; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.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; 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c=relaxed; d=pobox.com; h=from:to:cc :subject:date:message-id:in-reply-to:references; s=sasl; bh=NlvM q6yDMX91HkPrlENCXV7XrEQ=; b=rNeRn3XkOqxuOE3TcIv8+Dws5zAkDD/4v8oD nvYaQhpdLb0jNGTErmO3waKNxphg19/uuRRdpub+AN/kI+C1WFfGe7CONa6rJLsU Kjjwuf6BdhKS8jTF/AV0T5QjZ4ahe9TLqPfdAvSo9I0AyJinZflXaw8/0dOElnUs 0NOrSjs= Received: from pb-smtp1.nyi.icgroup.com (unknown [127.0.0.1]) by pb-smtp1.pobox.com (Postfix) with ESMTP id 76AD4927BA; Tue, 17 Oct 2017 11:28:33 -0400 (EDT) Received: from yoda.home (unknown [137.175.234.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by pb-smtp1.pobox.com (Postfix) with ESMTPSA id 0732A927B0; Tue, 17 Oct 2017 11:28:32 -0400 (EDT) Received: from xanadu.home (xanadu.home [192.168.2.2]) by yoda.home (Postfix) with ESMTP id 1DD822DA0482; Tue, 17 Oct 2017 11:28:32 -0400 (EDT) From: Nicolas Pitre To: Boris Brezillon , Richard Weinberger Subject: [PATCH v2 2/5] MTD: chips/map_ram.c: implement point and unpoint methods Date: Tue, 17 Oct 2017 11:28:23 -0400 Message-Id: <20171017152826.11658-3-nicolas.pitre@linaro.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20171017152826.11658-1-nicolas.pitre@linaro.org> References: <20171017152826.11658-1-nicolas.pitre@linaro.org> X-Pobox-Relay-ID: D5E5D4F6-B34F-11E7-B4D6-8EF31968708C-78420484!pb-smtp1.pobox.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171017_082857_003482_C28E23D6 X-CRM114-Status: GOOD ( 11.21 ) X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [64.147.108.70 listed in list.dnswl.org] 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_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 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: Chris Brandt , linux-mtd@lists.infradead.org MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+patch=linaro.org@lists.infradead.org Signed-off-by: Nicolas Pitre Reviewed-by: Richard Weinberger --- drivers/mtd/chips/map_ram.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) -- 2.9.5 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ diff --git a/drivers/mtd/chips/map_ram.c b/drivers/mtd/chips/map_ram.c index afb43d5e17..c3939dd230 100644 --- a/drivers/mtd/chips/map_ram.c +++ b/drivers/mtd/chips/map_ram.c @@ -22,6 +22,9 @@ static void mapram_nop (struct mtd_info *); static struct mtd_info *map_ram_probe(struct map_info *map); static unsigned long mapram_unmapped_area(struct mtd_info *, unsigned long, unsigned long, unsigned long); +static int mapram_point (struct mtd_info *mtd, loff_t from, size_t len, + size_t *retlen, void **virt, resource_size_t *phys); +static int mapram_unpoint(struct mtd_info *mtd, loff_t from, size_t len); static struct mtd_chip_driver mapram_chipdrv = { @@ -69,7 +72,9 @@ static struct mtd_info *map_ram_probe(struct map_info *map) mtd->_read = mapram_read; mtd->_write = mapram_write; mtd->_panic_write = mapram_write; + mtd->_point = mapram_point; mtd->_sync = mapram_nop; + mtd->_unpoint = mapram_unpoint; mtd->flags = MTD_CAP_RAM; mtd->writesize = 1; @@ -96,6 +101,25 @@ static unsigned long mapram_unmapped_area(struct mtd_info *mtd, return (unsigned long) map->virt + offset; } +static int mapram_point(struct mtd_info *mtd, loff_t from, size_t len, + size_t *retlen, void **virt, resource_size_t *phys) +{ + struct map_info *map = mtd->priv; + + if (!map->virt) + return -EINVAL; + *virt = map->virt + from; + if (phys) + *phys = map->phys + from; + *retlen = len; + return 0; +} + +static int mapram_unpoint(struct mtd_info *mtd, loff_t from, size_t len) +{ + return 0; +} + static int mapram_read (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) { struct map_info *map = mtd->priv;