From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B85DC433E1 for ; Mon, 8 Jun 2020 16:07:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A1DE2063A for ; Mon, 8 Jun 2020 16:07:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZLSxxQtA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730474AbgFHQHB (ORCPT ); Mon, 8 Jun 2020 12:07:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730378AbgFHQHA (ORCPT ); Mon, 8 Jun 2020 12:07:00 -0400 Received: from mail-wm1-x341.google.com (mail-wm1-x341.google.com [IPv6:2a00:1450:4864:20::341]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51DB0C08C5C2; Mon, 8 Jun 2020 09:07:00 -0700 (PDT) Received: by mail-wm1-x341.google.com with SMTP id g10so56633wmh.4; Mon, 08 Jun 2020 09:07:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=xSm/ixCMsXrBbAVZMWIWVyDBFHz6cDKWQtZCmAnN0nA=; b=ZLSxxQtAqk9VJDhuTPL/QytUa2FIBQopJdBHKih5e4AAFXp7fINT9N+ePLJodzE/tU MIo4bnGqf6TwcM2yJnT8F3mNUgmp+iiR7KVcEf0MRbb/a/WciLworDKVhxZ4gXx6Shts HMV0P81Yb2gscczPSxyxyT6ukEYSwfakd0VCuBT7SJriDcBqMux5KKV6paMbOPPS9Ud9 XRvv63vkPM7+tmGskVRlRvyeSWZZFi+ulGYCSujm6IW2JWESuFocQua+OIV3YkJciJFg HRbtsT0RpycizikAmUr1ILfJsTt/0ebbdX3R89RLKixL+YdeRFBH3h6OODLDz9Ucvi9b ylXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=xSm/ixCMsXrBbAVZMWIWVyDBFHz6cDKWQtZCmAnN0nA=; b=OE+YtbCMd+cXQXQjLPW4YTg12Zs1vwv4EGir2dfgVEm4EdyoLImtAKOUXq+JxStD75 1MvxH3isC93GycVVqjh1W2iwoKNQ7Gk7es5oMu5W0Rrb2bm276l0xx57xrG6PaT3EuGE CII4Di19yfsist4ksgybL7T7RQfU2KBr6gHFssPHvX4UTUDyMYOQvKtutJpqp9UhBp9N PaJVP9d+pzf4rIAeR5mFNbwsm/rYB6bVixqVqTJzsceq0Ck4R83aawDXvK+O6SvsPgZt ESJXD4kWky4uE96Nxbf2D1aE0cRVCaAvaQ7XpkdAv1PnUiPZENWUEOiutGOqzkPs5OtQ OrPQ== X-Gm-Message-State: AOAM531jfpNMASEPBJ6b+pJPCyQGeGX9/LRkNwwAMTSDgiStwuWJlR5T DURUcQGSKZ7RDVN9y0eEQdg= X-Google-Smtp-Source: ABdhPJzlh/xf/IFViONY5iqBfTW9IBvJzeWdZjU4s6WE0zKa+QDIy95NBnZc/nabW15BofK0+Fz87w== X-Received: by 2002:a1c:24c6:: with SMTP id k189mr72594wmk.9.1591632418158; Mon, 08 Jun 2020 09:06:58 -0700 (PDT) Received: from skynet.lan (28.red-83-49-61.dynamicip.rima-tde.net. [83.49.61.28]) by smtp.gmail.com with ESMTPSA id b187sm32275wmd.26.2020.06.08.09.06.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Jun 2020 09:06:57 -0700 (PDT) From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= To: tsbogend@alpha.franken.de, f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, jonas.gorski@gmail.com, linus.walleij@linaro.org, linux-mips@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org Cc: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Subject: [PATCH v2] mtd: parsers: bcm63xx: simplify CFE detection Date: Mon, 8 Jun 2020 18:06:49 +0200 Message-Id: <20200608160649.3717152-1-noltari@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200608094053.3381512-1-noltari@gmail.com> References: <20200608094053.3381512-1-noltari@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Instead of trying to parse CFE version string, which is customized by some vendors, let's just check that "CFE1" was passed on argument 3. Signed-off-by: Álvaro Fernández Rojas Signed-off-by: Jonas Gorski --- v2: use CFE_EPTSEAL definition and avoid using an additional funtion. drivers/mtd/parsers/bcm63xxpart.c | 29 ++++------------------------- 1 file changed, 4 insertions(+), 25 deletions(-) diff --git a/drivers/mtd/parsers/bcm63xxpart.c b/drivers/mtd/parsers/bcm63xxpart.c index 78f90c6c18fd..493a75b2f266 100644 --- a/drivers/mtd/parsers/bcm63xxpart.c +++ b/drivers/mtd/parsers/bcm63xxpart.c @@ -22,6 +22,9 @@ #include #include +#include +#include + #define BCM963XX_CFE_BLOCK_SIZE SZ_64K /* always at least 64KiB */ #define BCM963XX_CFE_MAGIC_OFFSET 0x4e0 @@ -32,30 +35,6 @@ #define STR_NULL_TERMINATE(x) \ do { char *_str = (x); _str[sizeof(x) - 1] = 0; } while (0) -static int bcm63xx_detect_cfe(struct mtd_info *master) -{ - char buf[9]; - int ret; - size_t retlen; - - ret = mtd_read(master, BCM963XX_CFE_VERSION_OFFSET, 5, &retlen, - (void *)buf); - buf[retlen] = 0; - - if (ret) - return ret; - - if (strncmp("cfe-v", buf, 5) == 0) - return 0; - - /* very old CFE's do not have the cfe-v string, so check for magic */ - ret = mtd_read(master, BCM963XX_CFE_MAGIC_OFFSET, 8, &retlen, - (void *)buf); - buf[retlen] = 0; - - return strncmp("CFE1CFE1", buf, 8); -} - static int bcm63xx_read_nvram(struct mtd_info *master, struct bcm963xx_nvram *nvram) { @@ -138,7 +117,7 @@ static int bcm63xx_parse_cfe_partitions(struct mtd_info *master, struct bcm963xx_nvram *nvram = NULL; int ret; - if (bcm63xx_detect_cfe(master)) + if (fw_arg3 != CFE_EPTSEAL) return -EINVAL; nvram = vzalloc(sizeof(*nvram)); -- 2.26.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AEFE6C433DF for ; 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[83.49.61.28]) by smtp.gmail.com with ESMTPSA id b187sm32275wmd.26.2020.06.08.09.06.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Jun 2020 09:06:57 -0700 (PDT) From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= To: tsbogend@alpha.franken.de, f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, jonas.gorski@gmail.com, linus.walleij@linaro.org, linux-mips@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org Subject: [PATCH v2] mtd: parsers: bcm63xx: simplify CFE detection Date: Mon, 8 Jun 2020 18:06:49 +0200 Message-Id: <20200608160649.3717152-1-noltari@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200608094053.3381512-1-noltari@gmail.com> References: <20200608094053.3381512-1-noltari@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200608_090703_426077_976E59C7 X-CRM114-Status: GOOD ( 11.77 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Content-Type: text/plain; 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[83.49.61.28]) by smtp.gmail.com with ESMTPSA id b187sm32275wmd.26.2020.06.08.09.06.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Jun 2020 09:06:57 -0700 (PDT) From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= To: tsbogend@alpha.franken.de, f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, jonas.gorski@gmail.com, linus.walleij@linaro.org, linux-mips@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org Subject: [PATCH v2] mtd: parsers: bcm63xx: simplify CFE detection Date: Mon, 8 Jun 2020 18:06:49 +0200 Message-Id: <20200608160649.3717152-1-noltari@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200608094053.3381512-1-noltari@gmail.com> References: <20200608094053.3381512-1-noltari@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200608_090703_426077_976E59C7 X-CRM114-Status: GOOD ( 11.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org SW5zdGVhZCBvZiB0cnlpbmcgdG8gcGFyc2UgQ0ZFIHZlcnNpb24gc3RyaW5nLCB3aGljaCBpcyBj dXN0b21pemVkIGJ5IHNvbWUKdmVuZG9ycywgbGV0J3MganVzdCBjaGVjayB0aGF0ICJDRkUxIiB3 YXMgcGFzc2VkIG9uIGFyZ3VtZW50IDMuCgpTaWduZWQtb2ZmLWJ5OiDDgWx2YXJvIEZlcm7DoW5k ZXogUm9qYXMgPG5vbHRhcmlAZ21haWwuY29tPgpTaWduZWQtb2ZmLWJ5OiBKb25hcyBHb3Jza2kg PGpvbmFzLmdvcnNraUBnbWFpbC5jb20+Ci0tLQogdjI6IHVzZSBDRkVfRVBUU0VBTCBkZWZpbml0 aW9uIGFuZCBhdm9pZCB1c2luZyBhbiBhZGRpdGlvbmFsIGZ1bnRpb24uCgogZHJpdmVycy9tdGQv cGFyc2Vycy9iY202M3h4cGFydC5jIHwgMjkgKysrKy0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0K IDEgZmlsZSBjaGFuZ2VkLCA0IGluc2VydGlvbnMoKyksIDI1IGRlbGV0aW9ucygtKQoKZGlmZiAt LWdpdCBhL2RyaXZlcnMvbXRkL3BhcnNlcnMvYmNtNjN4eHBhcnQuYyBiL2RyaXZlcnMvbXRkL3Bh cnNlcnMvYmNtNjN4eHBhcnQuYwppbmRleCA3OGY5MGM2YzE4ZmQuLjQ5M2E3NWIyZjI2NiAxMDA2 NDQKLS0tIGEvZHJpdmVycy9tdGQvcGFyc2Vycy9iY202M3h4cGFydC5jCisrKyBiL2RyaXZlcnMv bXRkL3BhcnNlcnMvYmNtNjN4eHBhcnQuYwpAQCAtMjIsNiArMjIsOSBAQAogI2luY2x1ZGUgPGxp bnV4L210ZC9wYXJ0aXRpb25zLmg+CiAjaW5jbHVkZSA8bGludXgvb2YuaD4KIAorI2luY2x1ZGUg PGFzbS9ib290aW5mby5oPgorI2luY2x1ZGUgPGFzbS9mdy9jZmUvY2ZlX2FwaS5oPgorCiAjZGVm aW5lIEJDTTk2M1hYX0NGRV9CTE9DS19TSVpFCQlTWl82NEsJLyogYWx3YXlzIGF0IGxlYXN0IDY0 S2lCICovCiAKICNkZWZpbmUgQkNNOTYzWFhfQ0ZFX01BR0lDX09GRlNFVAkweDRlMApAQCAtMzIs MzAgKzM1LDYgQEAKICNkZWZpbmUgU1RSX05VTExfVEVSTUlOQVRFKHgpIFwKIAlkbyB7IGNoYXIg Kl9zdHIgPSAoeCk7IF9zdHJbc2l6ZW9mKHgpIC0gMV0gPSAwOyB9IHdoaWxlICgwKQogCi1zdGF0 aWMgaW50IGJjbTYzeHhfZGV0ZWN0X2NmZShzdHJ1Y3QgbXRkX2luZm8gKm1hc3RlcikKLXsKLQlj aGFyIGJ1Zls5XTsKLQlpbnQgcmV0OwotCXNpemVfdCByZXRsZW47Ci0KLQlyZXQgPSBtdGRfcmVh ZChtYXN0ZXIsIEJDTTk2M1hYX0NGRV9WRVJTSU9OX09GRlNFVCwgNSwgJnJldGxlbiwKLQkJICAg ICAgICh2b2lkICopYnVmKTsKLQlidWZbcmV0bGVuXSA9IDA7Ci0KLQlpZiAocmV0KQotCQlyZXR1 cm4gcmV0OwotCi0JaWYgKHN0cm5jbXAoImNmZS12IiwgYnVmLCA1KSA9PSAwKQotCQlyZXR1cm4g MDsKLQotCS8qIHZlcnkgb2xkIENGRSdzIGRvIG5vdCBoYXZlIHRoZSBjZmUtdiBzdHJpbmcsIHNv IGNoZWNrIGZvciBtYWdpYyAqLwotCXJldCA9IG10ZF9yZWFkKG1hc3RlciwgQkNNOTYzWFhfQ0ZF X01BR0lDX09GRlNFVCwgOCwgJnJldGxlbiwKLQkJICAgICAgICh2b2lkICopYnVmKTsKLQlidWZb cmV0bGVuXSA9IDA7Ci0KLQlyZXR1cm4gc3RybmNtcCgiQ0ZFMUNGRTEiLCBidWYsIDgpOwotfQot CiBzdGF0aWMgaW50IGJjbTYzeHhfcmVhZF9udnJhbShzdHJ1Y3QgbXRkX2luZm8gKm1hc3RlciwK IAlzdHJ1Y3QgYmNtOTYzeHhfbnZyYW0gKm52cmFtKQogewpAQCAtMTM4LDcgKzExNyw3IEBAIHN0 YXRpYyBpbnQgYmNtNjN4eF9wYXJzZV9jZmVfcGFydGl0aW9ucyhzdHJ1Y3QgbXRkX2luZm8gKm1h c3RlciwKIAlzdHJ1Y3QgYmNtOTYzeHhfbnZyYW0gKm52cmFtID0gTlVMTDsKIAlpbnQgcmV0Owog Ci0JaWYgKGJjbTYzeHhfZGV0ZWN0X2NmZShtYXN0ZXIpKQorCWlmIChmd19hcmczICE9IENGRV9F UFRTRUFMKQogCQlyZXR1cm4gLUVJTlZBTDsKIAogCW52cmFtID0gdnphbGxvYyhzaXplb2YoKm52 cmFtKSk7Ci0tIAoyLjI2LjIKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVs QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9s aXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==