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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 9F217C4743E for ; Tue, 8 Jun 2021 10:48:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 88101610A1 for ; Tue, 8 Jun 2021 10:48:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231634AbhFHKuS (ORCPT ); Tue, 8 Jun 2021 06:50:18 -0400 Received: from new4-smtp.messagingengine.com ([66.111.4.230]:45551 "EHLO new4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231564AbhFHKuR (ORCPT ); Tue, 8 Jun 2021 06:50:17 -0400 Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailnew.nyi.internal (Postfix) with ESMTP id 44B0D580597; Tue, 8 Jun 2021 06:48:24 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Tue, 08 Jun 2021 06:48:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aj.id.au; h=from :to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm3; bh=5cVb9WHxunYwf jq2KjYBczrV4g18Mjpbcls8cjpsl7g=; b=BQls24J4T/nW43n53mEvc1ySdIfr3 2AT1JfIiesR8ZkIX3IVoQYevSrThtS0yzmZH5DKniziaaSHxcAlVp+H8FecFShdi Gn0AvyoKttk9/5A4bpYWt5wW2LNZEgNZSsEtuqNbBmF8cheirpaNkhXFPrr3xfal ltU96f9YfKyJmaq9WRDcJGxjKQZkNTQ3cHNi5E87m1roIfZ61K7oq3kSIam6fBbx ZzClAG000yyRL9E6+dzBWHCXq/9dAKvuKJyLHwBDux26K0Q/wKl6VudYIC7lDdHS PMW3NCUxZrusUJ8+subOSt1P65fWvOl5X1HKZIGfkVNWKMcXaYSCPRVUQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=5cVb9WHxunYwfjq2KjYBczrV4g18Mjpbcls8cjpsl7g=; b=s7LcEynk TUqq9z+6bWk1xsew3AXu3qnG6lXLSqHWj9WdgPyBe4BYdlX+md6zNDONUl8Tdgo5 Zxn+UHwi9YYMrkE3cGiK8hq4JvsluOM3jU8DN1RNTKoaa6SoK49L09DkJNu5Y5dR TbEdJMpw8UFoKdomfEwSdsA1d1gQit5DUd+OfLidcXlq+9mEGu4nw9Qrb5jT5HRG BFIwpEEkClwofGYYbx4rxJE7sOckqOub1IsCIVsLPY922FFVQGZfz3uwNT+pJ30d EeBdL2yiTd5rQYHjODzl+Psi4feliUCt/wr/SNOLbn90JKAe61wB6LZq0i+jaCc2 wUD8L9r6GLFGBQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrfedtledgudeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomheptehnughrvgifucflvghffhgvrhihuceorghnughrvgifsegr jhdrihgurdgruheqnecuggftrfgrthhtvghrnhepjefgvdevheetkeevgeegleelgfelte etjeffleffvdduudevieffgeetleevhfetnecuvehluhhsthgvrhfuihiivgeptdenucfr rghrrghmpehmrghilhhfrhhomheprghnughrvgifsegrjhdrihgurdgruh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 8 Jun 2021 06:48:16 -0400 (EDT) From: Andrew Jeffery To: openipmi-developer@lists.sourceforge.net, openbmc@lists.ozlabs.org, minyard@acm.org Cc: devicetree@vger.kernel.org, tmaimon77@gmail.com, linux-aspeed@lists.ozlabs.org, avifishman70@gmail.com, venture@google.com, linux-kernel@vger.kernel.org, tali.perry1@gmail.com, robh+dt@kernel.org, chiawei_wang@aspeedtech.com, linux-arm-kernel@lists.infradead.org, benjaminfair@google.com, arnd@arndb.de, zweiss@equinix.com, joel@jms.id.au, KWLIU@nuvoton.com Subject: [PATCH v4 01/16] ipmi: kcs_bmc_aspeed: Use of match data to extract KCS properties Date: Tue, 8 Jun 2021 20:17:42 +0930 Message-Id: <20210608104757.582199-2-andrew@aj.id.au> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210608104757.582199-1-andrew@aj.id.au> References: <20210608104757.582199-1-andrew@aj.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Unpack and remove the aspeed_kcs_probe_of_v[12]() functions to aid rearranging how the private device-driver memory is allocated. Signed-off-by: Andrew Jeffery --- drivers/char/ipmi/kcs_bmc_aspeed.c | 154 ++++++++++++++--------------- 1 file changed, 77 insertions(+), 77 deletions(-) diff --git a/drivers/char/ipmi/kcs_bmc_aspeed.c b/drivers/char/ipmi/kcs_bmc_aspeed.c index eefe362f65f0..69be873f40ac 100644 --- a/drivers/char/ipmi/kcs_bmc_aspeed.c +++ b/drivers/char/ipmi/kcs_bmc_aspeed.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -63,6 +64,10 @@ struct aspeed_kcs_bmc { struct regmap *map; }; +struct aspeed_kcs_of_ops { + int (*get_channel)(struct platform_device *pdev); + int (*get_io_address)(struct platform_device *pdev); +}; static u8 aspeed_kcs_inb(struct kcs_bmc *kcs_bmc, u32 reg) { @@ -231,13 +236,10 @@ static const struct kcs_ioreg ast_kcs_bmc_ioregs[KCS_CHANNEL_MAX] = { { .idr = LPC_IDR4, .odr = LPC_ODR4, .str = LPC_STR4 }, }; -static struct kcs_bmc *aspeed_kcs_probe_of_v1(struct platform_device *pdev) +static int aspeed_kcs_of_v1_get_channel(struct platform_device *pdev) { - struct aspeed_kcs_bmc *priv; struct device_node *np; - struct kcs_bmc *kcs; u32 channel; - u32 slave; int rc; np = pdev->dev.of_node; @@ -245,105 +247,81 @@ static struct kcs_bmc *aspeed_kcs_probe_of_v1(struct platform_device *pdev) rc = of_property_read_u32(np, "kcs_chan", &channel); if ((rc != 0) || (channel == 0 || channel > KCS_CHANNEL_MAX)) { dev_err(&pdev->dev, "no valid 'kcs_chan' configured\n"); - return ERR_PTR(-EINVAL); + return -EINVAL; } - kcs = kcs_bmc_alloc(&pdev->dev, sizeof(struct aspeed_kcs_bmc), channel); - if (!kcs) - return ERR_PTR(-ENOMEM); + return channel; +} - priv = kcs_bmc_priv(kcs); - priv->map = syscon_node_to_regmap(pdev->dev.parent->of_node); - if (IS_ERR(priv->map)) { - dev_err(&pdev->dev, "Couldn't get regmap\n"); - return ERR_PTR(-ENODEV); - } +static int aspeed_kcs_of_v1_get_io_address(struct platform_device *pdev) +{ + u32 slave; + int rc; - rc = of_property_read_u32(np, "kcs_addr", &slave); - if (rc) { + rc = of_property_read_u32(pdev->dev.of_node, "kcs_addr", &slave); + if (rc || slave > 0xffff) { dev_err(&pdev->dev, "no valid 'kcs_addr' configured\n"); - return ERR_PTR(-EINVAL); + return -EINVAL; } - kcs->ioreg = ast_kcs_bmc_ioregs[channel - 1]; - aspeed_kcs_set_address(kcs, slave); - - return kcs; -} - -static int aspeed_kcs_calculate_channel(const struct kcs_ioreg *regs) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(ast_kcs_bmc_ioregs); i++) { - if (!memcmp(&ast_kcs_bmc_ioregs[i], regs, sizeof(*regs))) - return i + 1; - } - - return -EINVAL; + return slave; } -static struct kcs_bmc *aspeed_kcs_probe_of_v2(struct platform_device *pdev) +static int aspeed_kcs_of_v2_get_channel(struct platform_device *pdev) { - struct aspeed_kcs_bmc *priv; struct device_node *np; struct kcs_ioreg ioreg; - struct kcs_bmc *kcs; const __be32 *reg; - int channel; - u32 slave; - int rc; + int i; np = pdev->dev.of_node; /* Don't translate addresses, we want offsets for the regmaps */ reg = of_get_address(np, 0, NULL, NULL); if (!reg) - return ERR_PTR(-EINVAL); + return -EINVAL; ioreg.idr = be32_to_cpup(reg); reg = of_get_address(np, 1, NULL, NULL); if (!reg) - return ERR_PTR(-EINVAL); + return -EINVAL; ioreg.odr = be32_to_cpup(reg); reg = of_get_address(np, 2, NULL, NULL); if (!reg) - return ERR_PTR(-EINVAL); + return -EINVAL; ioreg.str = be32_to_cpup(reg); - channel = aspeed_kcs_calculate_channel(&ioreg); - if (channel < 0) - return ERR_PTR(channel); + for (i = 0; i < ARRAY_SIZE(ast_kcs_bmc_ioregs); i++) { + if (!memcmp(&ast_kcs_bmc_ioregs[i], &ioreg, sizeof(ioreg))) + return i + 1; + } - kcs = kcs_bmc_alloc(&pdev->dev, sizeof(struct aspeed_kcs_bmc), channel); - if (!kcs) - return ERR_PTR(-ENOMEM); + return -EINVAL; +} - kcs->ioreg = ioreg; +static int aspeed_kcs_of_v2_get_io_address(struct platform_device *pdev) +{ + uint32_t slave; + int rc; - priv = kcs_bmc_priv(kcs); - priv->map = syscon_node_to_regmap(pdev->dev.parent->of_node); - if (IS_ERR(priv->map)) { - dev_err(&pdev->dev, "Couldn't get regmap\n"); - return ERR_PTR(-ENODEV); + rc = of_property_read_u32(pdev->dev.of_node, "aspeed,lpc-io-reg", &slave); + if (rc || slave > 0xffff) { + dev_err(&pdev->dev, "no valid 'aspeed,lpc-io-reg' configured\n"); + return -EINVAL; } - rc = of_property_read_u32(np, "aspeed,lpc-io-reg", &slave); - if (rc) - return ERR_PTR(rc); - - aspeed_kcs_set_address(kcs, slave); - - return kcs; + return slave; } static int aspeed_kcs_probe(struct platform_device *pdev) { + const struct aspeed_kcs_of_ops *ops; struct device *dev = &pdev->dev; + struct aspeed_kcs_bmc *priv; struct kcs_bmc *kcs_bmc; struct device_node *np; - int rc; + int rc, channel, addr; np = dev->of_node->parent; if (!of_device_is_compatible(np, "aspeed,ast2400-lpc-v2") && @@ -352,23 +330,35 @@ static int aspeed_kcs_probe(struct platform_device *pdev) dev_err(dev, "unsupported LPC device binding\n"); return -ENODEV; } - - np = dev->of_node; - if (of_device_is_compatible(np, "aspeed,ast2400-kcs-bmc") || - of_device_is_compatible(np, "aspeed,ast2500-kcs-bmc")) - kcs_bmc = aspeed_kcs_probe_of_v1(pdev); - else if (of_device_is_compatible(np, "aspeed,ast2400-kcs-bmc-v2") || - of_device_is_compatible(np, "aspeed,ast2500-kcs-bmc-v2")) - kcs_bmc = aspeed_kcs_probe_of_v2(pdev); - else + ops = of_device_get_match_data(&pdev->dev); + if (!ops) return -EINVAL; - if (IS_ERR(kcs_bmc)) - return PTR_ERR(kcs_bmc); + channel = ops->get_channel(pdev); + if (channel < 0) + return channel; + kcs_bmc = kcs_bmc_alloc(&pdev->dev, sizeof(struct aspeed_kcs_bmc), channel); + if (!kcs_bmc) + return -ENOMEM; + + kcs_bmc->ioreg = ast_kcs_bmc_ioregs[channel - 1]; kcs_bmc->io_inputb = aspeed_kcs_inb; kcs_bmc->io_outputb = aspeed_kcs_outb; + addr = ops->get_io_address(pdev); + if (addr < 0) + return addr; + + priv = kcs_bmc_priv(kcs_bmc); + priv->map = syscon_node_to_regmap(pdev->dev.parent->of_node); + if (IS_ERR(priv->map)) { + dev_err(&pdev->dev, "Couldn't get regmap\n"); + return -ENODEV; + } + + aspeed_kcs_set_address(kcs_bmc, addr); + rc = aspeed_kcs_config_irq(kcs_bmc, pdev); if (rc) return rc; @@ -400,11 +390,21 @@ static int aspeed_kcs_remove(struct platform_device *pdev) return 0; } +static const struct aspeed_kcs_of_ops of_v1_ops = { + .get_channel = aspeed_kcs_of_v1_get_channel, + .get_io_address = aspeed_kcs_of_v1_get_io_address, +}; + +static const struct aspeed_kcs_of_ops of_v2_ops = { + .get_channel = aspeed_kcs_of_v2_get_channel, + .get_io_address = aspeed_kcs_of_v2_get_io_address, +}; + static const struct of_device_id ast_kcs_bmc_match[] = { - { .compatible = "aspeed,ast2400-kcs-bmc" }, - { .compatible = "aspeed,ast2500-kcs-bmc" }, - { .compatible = "aspeed,ast2400-kcs-bmc-v2" }, - { .compatible = "aspeed,ast2500-kcs-bmc-v2" }, + { .compatible = "aspeed,ast2400-kcs-bmc", .data = &of_v1_ops }, + { .compatible = "aspeed,ast2500-kcs-bmc", .data = &of_v1_ops }, + { .compatible = "aspeed,ast2400-kcs-bmc-v2", .data = &of_v2_ops }, + { .compatible = "aspeed,ast2500-kcs-bmc-v2", .data = &of_v2_ops }, { } }; MODULE_DEVICE_TABLE(of, ast_kcs_bmc_match); -- 2.30.2 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 2BAF3C4743D for ; Tue, 8 Jun 2021 10:49:22 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C276D61278 for ; Tue, 8 Jun 2021 10:49:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C276D61278 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=aj.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=openbmc-bounces+openbmc=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Fzn6m5RZ5z2xMw for ; Tue, 8 Jun 2021 20:49:20 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=aj.id.au header.i=@aj.id.au header.a=rsa-sha256 header.s=fm3 header.b=BQls24J4; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.a=rsa-sha256 header.s=fm3 header.b=s7LcEynk; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=aj.id.au (client-ip=66.111.4.230; helo=new4-smtp.messagingengine.com; envelope-from=andrew@aj.id.au; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=aj.id.au header.i=@aj.id.au header.a=rsa-sha256 header.s=fm3 header.b=BQls24J4; dkim=pass (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.a=rsa-sha256 header.s=fm3 header.b=s7LcEynk; dkim-atps=neutral Received: from new4-smtp.messagingengine.com (new4-smtp.messagingengine.com [66.111.4.230]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Fzn5k6KGgz2y0C; Tue, 8 Jun 2021 20:48:26 +1000 (AEST) Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailnew.nyi.internal (Postfix) with ESMTP id 44B0D580597; Tue, 8 Jun 2021 06:48:24 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Tue, 08 Jun 2021 06:48:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aj.id.au; h=from :to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm3; bh=5cVb9WHxunYwf jq2KjYBczrV4g18Mjpbcls8cjpsl7g=; b=BQls24J4T/nW43n53mEvc1ySdIfr3 2AT1JfIiesR8ZkIX3IVoQYevSrThtS0yzmZH5DKniziaaSHxcAlVp+H8FecFShdi Gn0AvyoKttk9/5A4bpYWt5wW2LNZEgNZSsEtuqNbBmF8cheirpaNkhXFPrr3xfal ltU96f9YfKyJmaq9WRDcJGxjKQZkNTQ3cHNi5E87m1roIfZ61K7oq3kSIam6fBbx ZzClAG000yyRL9E6+dzBWHCXq/9dAKvuKJyLHwBDux26K0Q/wKl6VudYIC7lDdHS PMW3NCUxZrusUJ8+subOSt1P65fWvOl5X1HKZIGfkVNWKMcXaYSCPRVUQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=5cVb9WHxunYwfjq2KjYBczrV4g18Mjpbcls8cjpsl7g=; b=s7LcEynk TUqq9z+6bWk1xsew3AXu3qnG6lXLSqHWj9WdgPyBe4BYdlX+md6zNDONUl8Tdgo5 Zxn+UHwi9YYMrkE3cGiK8hq4JvsluOM3jU8DN1RNTKoaa6SoK49L09DkJNu5Y5dR TbEdJMpw8UFoKdomfEwSdsA1d1gQit5DUd+OfLidcXlq+9mEGu4nw9Qrb5jT5HRG BFIwpEEkClwofGYYbx4rxJE7sOckqOub1IsCIVsLPY922FFVQGZfz3uwNT+pJ30d EeBdL2yiTd5rQYHjODzl+Psi4feliUCt/wr/SNOLbn90JKAe61wB6LZq0i+jaCc2 wUD8L9r6GLFGBQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrfedtledgudeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomheptehnughrvgifucflvghffhgvrhihuceorghnughrvgifsegr jhdrihgurdgruheqnecuggftrfgrthhtvghrnhepjefgvdevheetkeevgeegleelgfelte etjeffleffvdduudevieffgeetleevhfetnecuvehluhhsthgvrhfuihiivgeptdenucfr rghrrghmpehmrghilhhfrhhomheprghnughrvgifsegrjhdrihgurdgruh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 8 Jun 2021 06:48:16 -0400 (EDT) From: Andrew Jeffery To: openipmi-developer@lists.sourceforge.net, openbmc@lists.ozlabs.org, minyard@acm.org Subject: [PATCH v4 01/16] ipmi: kcs_bmc_aspeed: Use of match data to extract KCS properties Date: Tue, 8 Jun 2021 20:17:42 +0930 Message-Id: <20210608104757.582199-2-andrew@aj.id.au> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210608104757.582199-1-andrew@aj.id.au> References: <20210608104757.582199-1-andrew@aj.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, tmaimon77@gmail.com, linux-aspeed@lists.ozlabs.org, KWLIU@nuvoton.com, avifishman70@gmail.com, venture@google.com, chiawei_wang@aspeedtech.com, linux-kernel@vger.kernel.org, tali.perry1@gmail.com, robh+dt@kernel.org, arnd@arndb.de, zweiss@equinix.com, linux-arm-kernel@lists.infradead.org, benjaminfair@google.com Errors-To: openbmc-bounces+openbmc=archiver.kernel.org@lists.ozlabs.org Sender: "openbmc" Unpack and remove the aspeed_kcs_probe_of_v[12]() functions to aid rearranging how the private device-driver memory is allocated. Signed-off-by: Andrew Jeffery --- drivers/char/ipmi/kcs_bmc_aspeed.c | 154 ++++++++++++++--------------- 1 file changed, 77 insertions(+), 77 deletions(-) diff --git a/drivers/char/ipmi/kcs_bmc_aspeed.c b/drivers/char/ipmi/kcs_bmc_aspeed.c index eefe362f65f0..69be873f40ac 100644 --- a/drivers/char/ipmi/kcs_bmc_aspeed.c +++ b/drivers/char/ipmi/kcs_bmc_aspeed.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -63,6 +64,10 @@ struct aspeed_kcs_bmc { struct regmap *map; }; +struct aspeed_kcs_of_ops { + int (*get_channel)(struct platform_device *pdev); + int (*get_io_address)(struct platform_device *pdev); +}; static u8 aspeed_kcs_inb(struct kcs_bmc *kcs_bmc, u32 reg) { @@ -231,13 +236,10 @@ static const struct kcs_ioreg ast_kcs_bmc_ioregs[KCS_CHANNEL_MAX] = { { .idr = LPC_IDR4, .odr = LPC_ODR4, .str = LPC_STR4 }, }; -static struct kcs_bmc *aspeed_kcs_probe_of_v1(struct platform_device *pdev) +static int aspeed_kcs_of_v1_get_channel(struct platform_device *pdev) { - struct aspeed_kcs_bmc *priv; struct device_node *np; - struct kcs_bmc *kcs; u32 channel; - u32 slave; int rc; np = pdev->dev.of_node; @@ -245,105 +247,81 @@ static struct kcs_bmc *aspeed_kcs_probe_of_v1(struct platform_device *pdev) rc = of_property_read_u32(np, "kcs_chan", &channel); if ((rc != 0) || (channel == 0 || channel > KCS_CHANNEL_MAX)) { dev_err(&pdev->dev, "no valid 'kcs_chan' configured\n"); - return ERR_PTR(-EINVAL); + return -EINVAL; } - kcs = kcs_bmc_alloc(&pdev->dev, sizeof(struct aspeed_kcs_bmc), channel); - if (!kcs) - return ERR_PTR(-ENOMEM); + return channel; +} - priv = kcs_bmc_priv(kcs); - priv->map = syscon_node_to_regmap(pdev->dev.parent->of_node); - if (IS_ERR(priv->map)) { - dev_err(&pdev->dev, "Couldn't get regmap\n"); - return ERR_PTR(-ENODEV); - } +static int aspeed_kcs_of_v1_get_io_address(struct platform_device *pdev) +{ + u32 slave; + int rc; - rc = of_property_read_u32(np, "kcs_addr", &slave); - if (rc) { + rc = of_property_read_u32(pdev->dev.of_node, "kcs_addr", &slave); + if (rc || slave > 0xffff) { dev_err(&pdev->dev, "no valid 'kcs_addr' configured\n"); - return ERR_PTR(-EINVAL); + return -EINVAL; } - kcs->ioreg = ast_kcs_bmc_ioregs[channel - 1]; - aspeed_kcs_set_address(kcs, slave); - - return kcs; -} - -static int aspeed_kcs_calculate_channel(const struct kcs_ioreg *regs) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(ast_kcs_bmc_ioregs); i++) { - if (!memcmp(&ast_kcs_bmc_ioregs[i], regs, sizeof(*regs))) - return i + 1; - } - - return -EINVAL; + return slave; } -static struct kcs_bmc *aspeed_kcs_probe_of_v2(struct platform_device *pdev) +static int aspeed_kcs_of_v2_get_channel(struct platform_device *pdev) { - struct aspeed_kcs_bmc *priv; struct device_node *np; struct kcs_ioreg ioreg; - struct kcs_bmc *kcs; const __be32 *reg; - int channel; - u32 slave; - int rc; + int i; np = pdev->dev.of_node; /* Don't translate addresses, we want offsets for the regmaps */ reg = of_get_address(np, 0, NULL, NULL); if (!reg) - return ERR_PTR(-EINVAL); + return -EINVAL; ioreg.idr = be32_to_cpup(reg); reg = of_get_address(np, 1, NULL, NULL); if (!reg) - return ERR_PTR(-EINVAL); + return -EINVAL; ioreg.odr = be32_to_cpup(reg); reg = of_get_address(np, 2, NULL, NULL); if (!reg) - return ERR_PTR(-EINVAL); + return -EINVAL; ioreg.str = be32_to_cpup(reg); - channel = aspeed_kcs_calculate_channel(&ioreg); - if (channel < 0) - return ERR_PTR(channel); + for (i = 0; i < ARRAY_SIZE(ast_kcs_bmc_ioregs); i++) { + if (!memcmp(&ast_kcs_bmc_ioregs[i], &ioreg, sizeof(ioreg))) + return i + 1; + } - kcs = kcs_bmc_alloc(&pdev->dev, sizeof(struct aspeed_kcs_bmc), channel); - if (!kcs) - return ERR_PTR(-ENOMEM); + return -EINVAL; +} - kcs->ioreg = ioreg; +static int aspeed_kcs_of_v2_get_io_address(struct platform_device *pdev) +{ + uint32_t slave; + int rc; - priv = kcs_bmc_priv(kcs); - priv->map = syscon_node_to_regmap(pdev->dev.parent->of_node); - if (IS_ERR(priv->map)) { - dev_err(&pdev->dev, "Couldn't get regmap\n"); - return ERR_PTR(-ENODEV); + rc = of_property_read_u32(pdev->dev.of_node, "aspeed,lpc-io-reg", &slave); + if (rc || slave > 0xffff) { + dev_err(&pdev->dev, "no valid 'aspeed,lpc-io-reg' configured\n"); + return -EINVAL; } - rc = of_property_read_u32(np, "aspeed,lpc-io-reg", &slave); - if (rc) - return ERR_PTR(rc); - - aspeed_kcs_set_address(kcs, slave); - - return kcs; + return slave; } static int aspeed_kcs_probe(struct platform_device *pdev) { + const struct aspeed_kcs_of_ops *ops; struct device *dev = &pdev->dev; + struct aspeed_kcs_bmc *priv; struct kcs_bmc *kcs_bmc; struct device_node *np; - int rc; + int rc, channel, addr; np = dev->of_node->parent; if (!of_device_is_compatible(np, "aspeed,ast2400-lpc-v2") && @@ -352,23 +330,35 @@ static int aspeed_kcs_probe(struct platform_device *pdev) dev_err(dev, "unsupported LPC device binding\n"); return -ENODEV; } - - np = dev->of_node; - if (of_device_is_compatible(np, "aspeed,ast2400-kcs-bmc") || - of_device_is_compatible(np, "aspeed,ast2500-kcs-bmc")) - kcs_bmc = aspeed_kcs_probe_of_v1(pdev); - else if (of_device_is_compatible(np, "aspeed,ast2400-kcs-bmc-v2") || - of_device_is_compatible(np, "aspeed,ast2500-kcs-bmc-v2")) - kcs_bmc = aspeed_kcs_probe_of_v2(pdev); - else + ops = of_device_get_match_data(&pdev->dev); + if (!ops) return -EINVAL; - if (IS_ERR(kcs_bmc)) - return PTR_ERR(kcs_bmc); + channel = ops->get_channel(pdev); + if (channel < 0) + return channel; + kcs_bmc = kcs_bmc_alloc(&pdev->dev, sizeof(struct aspeed_kcs_bmc), channel); + if (!kcs_bmc) + return -ENOMEM; + + kcs_bmc->ioreg = ast_kcs_bmc_ioregs[channel - 1]; kcs_bmc->io_inputb = aspeed_kcs_inb; kcs_bmc->io_outputb = aspeed_kcs_outb; + addr = ops->get_io_address(pdev); + if (addr < 0) + return addr; + + priv = kcs_bmc_priv(kcs_bmc); + priv->map = syscon_node_to_regmap(pdev->dev.parent->of_node); + if (IS_ERR(priv->map)) { + dev_err(&pdev->dev, "Couldn't get regmap\n"); + return -ENODEV; + } + + aspeed_kcs_set_address(kcs_bmc, addr); + rc = aspeed_kcs_config_irq(kcs_bmc, pdev); if (rc) return rc; @@ -400,11 +390,21 @@ static int aspeed_kcs_remove(struct platform_device *pdev) return 0; } +static const struct aspeed_kcs_of_ops of_v1_ops = { + .get_channel = aspeed_kcs_of_v1_get_channel, + .get_io_address = aspeed_kcs_of_v1_get_io_address, +}; + +static const struct aspeed_kcs_of_ops of_v2_ops = { + .get_channel = aspeed_kcs_of_v2_get_channel, + .get_io_address = aspeed_kcs_of_v2_get_io_address, +}; + static const struct of_device_id ast_kcs_bmc_match[] = { - { .compatible = "aspeed,ast2400-kcs-bmc" }, - { .compatible = "aspeed,ast2500-kcs-bmc" }, - { .compatible = "aspeed,ast2400-kcs-bmc-v2" }, - { .compatible = "aspeed,ast2500-kcs-bmc-v2" }, + { .compatible = "aspeed,ast2400-kcs-bmc", .data = &of_v1_ops }, + { .compatible = "aspeed,ast2500-kcs-bmc", .data = &of_v1_ops }, + { .compatible = "aspeed,ast2400-kcs-bmc-v2", .data = &of_v2_ops }, + { .compatible = "aspeed,ast2500-kcs-bmc-v2", .data = &of_v2_ops }, { } }; MODULE_DEVICE_TABLE(of, ast_kcs_bmc_match); -- 2.30.2 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=-16.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 838C4C47082 for ; Tue, 8 Jun 2021 10:51:09 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4C88A61246 for ; Tue, 8 Jun 2021 10:51:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4C88A61246 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=aj.id.au Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=hAzXKUbAM69F2GItS8ncLq6oF1y5d/limsXI5YXsk3c=; b=C9PAKgz4cSWt92 iNrusqN0rQ72Uy0Qw2liR0489/m/AIDy86eNIJM5fL79sSI2c0PbTFwQtfijRJo0mIjm6cIp4E6u/ t2ejKnva6CITwUz7pWzF/FVLisLKBBCZUQmvC1xc4hK1PY10Hc8mwtk6Tjixird5HP/ta5OAgNEk1 hpLivlWo0NKIV8uVHk5mHec9EI6/w/izEX1svKZcAQeTPHsVkgE/u4hzCyvhH5Ho7Vt7GjwGMt74t ZLnDp6oXBKpe972zNIvrkhwsHhMpgxPSYMaUYybxSXHO10RaGdVxkaliNF9agVybHToBHLz6aDeB3 kSIGkzjsUAJxPQA+ywdA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqZHn-007lns-0u; Tue, 08 Jun 2021 10:48:43 +0000 Received: from new4-smtp.messagingengine.com ([66.111.4.230]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqZHU-007lio-UC for linux-arm-kernel@lists.infradead.org; Tue, 08 Jun 2021 10:48:29 +0000 Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailnew.nyi.internal (Postfix) with ESMTP id 44B0D580597; Tue, 8 Jun 2021 06:48:24 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Tue, 08 Jun 2021 06:48:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aj.id.au; h=from :to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm3; bh=5cVb9WHxunYwf jq2KjYBczrV4g18Mjpbcls8cjpsl7g=; b=BQls24J4T/nW43n53mEvc1ySdIfr3 2AT1JfIiesR8ZkIX3IVoQYevSrThtS0yzmZH5DKniziaaSHxcAlVp+H8FecFShdi Gn0AvyoKttk9/5A4bpYWt5wW2LNZEgNZSsEtuqNbBmF8cheirpaNkhXFPrr3xfal ltU96f9YfKyJmaq9WRDcJGxjKQZkNTQ3cHNi5E87m1roIfZ61K7oq3kSIam6fBbx ZzClAG000yyRL9E6+dzBWHCXq/9dAKvuKJyLHwBDux26K0Q/wKl6VudYIC7lDdHS PMW3NCUxZrusUJ8+subOSt1P65fWvOl5X1HKZIGfkVNWKMcXaYSCPRVUQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=5cVb9WHxunYwfjq2KjYBczrV4g18Mjpbcls8cjpsl7g=; b=s7LcEynk TUqq9z+6bWk1xsew3AXu3qnG6lXLSqHWj9WdgPyBe4BYdlX+md6zNDONUl8Tdgo5 Zxn+UHwi9YYMrkE3cGiK8hq4JvsluOM3jU8DN1RNTKoaa6SoK49L09DkJNu5Y5dR TbEdJMpw8UFoKdomfEwSdsA1d1gQit5DUd+OfLidcXlq+9mEGu4nw9Qrb5jT5HRG BFIwpEEkClwofGYYbx4rxJE7sOckqOub1IsCIVsLPY922FFVQGZfz3uwNT+pJ30d EeBdL2yiTd5rQYHjODzl+Psi4feliUCt/wr/SNOLbn90JKAe61wB6LZq0i+jaCc2 wUD8L9r6GLFGBQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrfedtledgudeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomheptehnughrvgifucflvghffhgvrhihuceorghnughrvgifsegr jhdrihgurdgruheqnecuggftrfgrthhtvghrnhepjefgvdevheetkeevgeegleelgfelte etjeffleffvdduudevieffgeetleevhfetnecuvehluhhsthgvrhfuihiivgeptdenucfr rghrrghmpehmrghilhhfrhhomheprghnughrvgifsegrjhdrihgurdgruh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 8 Jun 2021 06:48:16 -0400 (EDT) From: Andrew Jeffery To: openipmi-developer@lists.sourceforge.net, openbmc@lists.ozlabs.org, minyard@acm.org Cc: devicetree@vger.kernel.org, tmaimon77@gmail.com, linux-aspeed@lists.ozlabs.org, avifishman70@gmail.com, venture@google.com, linux-kernel@vger.kernel.org, tali.perry1@gmail.com, robh+dt@kernel.org, chiawei_wang@aspeedtech.com, linux-arm-kernel@lists.infradead.org, benjaminfair@google.com, arnd@arndb.de, zweiss@equinix.com, joel@jms.id.au, KWLIU@nuvoton.com Subject: [PATCH v4 01/16] ipmi: kcs_bmc_aspeed: Use of match data to extract KCS properties Date: Tue, 8 Jun 2021 20:17:42 +0930 Message-Id: <20210608104757.582199-2-andrew@aj.id.au> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210608104757.582199-1-andrew@aj.id.au> References: <20210608104757.582199-1-andrew@aj.id.au> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210608_034825_093304_1817A91E X-CRM114-Status: GOOD ( 18.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Unpack and remove the aspeed_kcs_probe_of_v[12]() functions to aid rearranging how the private device-driver memory is allocated. Signed-off-by: Andrew Jeffery --- drivers/char/ipmi/kcs_bmc_aspeed.c | 154 ++++++++++++++--------------- 1 file changed, 77 insertions(+), 77 deletions(-) diff --git a/drivers/char/ipmi/kcs_bmc_aspeed.c b/drivers/char/ipmi/kcs_bmc_aspeed.c index eefe362f65f0..69be873f40ac 100644 --- a/drivers/char/ipmi/kcs_bmc_aspeed.c +++ b/drivers/char/ipmi/kcs_bmc_aspeed.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -63,6 +64,10 @@ struct aspeed_kcs_bmc { struct regmap *map; }; +struct aspeed_kcs_of_ops { + int (*get_channel)(struct platform_device *pdev); + int (*get_io_address)(struct platform_device *pdev); +}; static u8 aspeed_kcs_inb(struct kcs_bmc *kcs_bmc, u32 reg) { @@ -231,13 +236,10 @@ static const struct kcs_ioreg ast_kcs_bmc_ioregs[KCS_CHANNEL_MAX] = { { .idr = LPC_IDR4, .odr = LPC_ODR4, .str = LPC_STR4 }, }; -static struct kcs_bmc *aspeed_kcs_probe_of_v1(struct platform_device *pdev) +static int aspeed_kcs_of_v1_get_channel(struct platform_device *pdev) { - struct aspeed_kcs_bmc *priv; struct device_node *np; - struct kcs_bmc *kcs; u32 channel; - u32 slave; int rc; np = pdev->dev.of_node; @@ -245,105 +247,81 @@ static struct kcs_bmc *aspeed_kcs_probe_of_v1(struct platform_device *pdev) rc = of_property_read_u32(np, "kcs_chan", &channel); if ((rc != 0) || (channel == 0 || channel > KCS_CHANNEL_MAX)) { dev_err(&pdev->dev, "no valid 'kcs_chan' configured\n"); - return ERR_PTR(-EINVAL); + return -EINVAL; } - kcs = kcs_bmc_alloc(&pdev->dev, sizeof(struct aspeed_kcs_bmc), channel); - if (!kcs) - return ERR_PTR(-ENOMEM); + return channel; +} - priv = kcs_bmc_priv(kcs); - priv->map = syscon_node_to_regmap(pdev->dev.parent->of_node); - if (IS_ERR(priv->map)) { - dev_err(&pdev->dev, "Couldn't get regmap\n"); - return ERR_PTR(-ENODEV); - } +static int aspeed_kcs_of_v1_get_io_address(struct platform_device *pdev) +{ + u32 slave; + int rc; - rc = of_property_read_u32(np, "kcs_addr", &slave); - if (rc) { + rc = of_property_read_u32(pdev->dev.of_node, "kcs_addr", &slave); + if (rc || slave > 0xffff) { dev_err(&pdev->dev, "no valid 'kcs_addr' configured\n"); - return ERR_PTR(-EINVAL); + return -EINVAL; } - kcs->ioreg = ast_kcs_bmc_ioregs[channel - 1]; - aspeed_kcs_set_address(kcs, slave); - - return kcs; -} - -static int aspeed_kcs_calculate_channel(const struct kcs_ioreg *regs) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(ast_kcs_bmc_ioregs); i++) { - if (!memcmp(&ast_kcs_bmc_ioregs[i], regs, sizeof(*regs))) - return i + 1; - } - - return -EINVAL; + return slave; } -static struct kcs_bmc *aspeed_kcs_probe_of_v2(struct platform_device *pdev) +static int aspeed_kcs_of_v2_get_channel(struct platform_device *pdev) { - struct aspeed_kcs_bmc *priv; struct device_node *np; struct kcs_ioreg ioreg; - struct kcs_bmc *kcs; const __be32 *reg; - int channel; - u32 slave; - int rc; + int i; np = pdev->dev.of_node; /* Don't translate addresses, we want offsets for the regmaps */ reg = of_get_address(np, 0, NULL, NULL); if (!reg) - return ERR_PTR(-EINVAL); + return -EINVAL; ioreg.idr = be32_to_cpup(reg); reg = of_get_address(np, 1, NULL, NULL); if (!reg) - return ERR_PTR(-EINVAL); + return -EINVAL; ioreg.odr = be32_to_cpup(reg); reg = of_get_address(np, 2, NULL, NULL); if (!reg) - return ERR_PTR(-EINVAL); + return -EINVAL; ioreg.str = be32_to_cpup(reg); - channel = aspeed_kcs_calculate_channel(&ioreg); - if (channel < 0) - return ERR_PTR(channel); + for (i = 0; i < ARRAY_SIZE(ast_kcs_bmc_ioregs); i++) { + if (!memcmp(&ast_kcs_bmc_ioregs[i], &ioreg, sizeof(ioreg))) + return i + 1; + } - kcs = kcs_bmc_alloc(&pdev->dev, sizeof(struct aspeed_kcs_bmc), channel); - if (!kcs) - return ERR_PTR(-ENOMEM); + return -EINVAL; +} - kcs->ioreg = ioreg; +static int aspeed_kcs_of_v2_get_io_address(struct platform_device *pdev) +{ + uint32_t slave; + int rc; - priv = kcs_bmc_priv(kcs); - priv->map = syscon_node_to_regmap(pdev->dev.parent->of_node); - if (IS_ERR(priv->map)) { - dev_err(&pdev->dev, "Couldn't get regmap\n"); - return ERR_PTR(-ENODEV); + rc = of_property_read_u32(pdev->dev.of_node, "aspeed,lpc-io-reg", &slave); + if (rc || slave > 0xffff) { + dev_err(&pdev->dev, "no valid 'aspeed,lpc-io-reg' configured\n"); + return -EINVAL; } - rc = of_property_read_u32(np, "aspeed,lpc-io-reg", &slave); - if (rc) - return ERR_PTR(rc); - - aspeed_kcs_set_address(kcs, slave); - - return kcs; + return slave; } static int aspeed_kcs_probe(struct platform_device *pdev) { + const struct aspeed_kcs_of_ops *ops; struct device *dev = &pdev->dev; + struct aspeed_kcs_bmc *priv; struct kcs_bmc *kcs_bmc; struct device_node *np; - int rc; + int rc, channel, addr; np = dev->of_node->parent; if (!of_device_is_compatible(np, "aspeed,ast2400-lpc-v2") && @@ -352,23 +330,35 @@ static int aspeed_kcs_probe(struct platform_device *pdev) dev_err(dev, "unsupported LPC device binding\n"); return -ENODEV; } - - np = dev->of_node; - if (of_device_is_compatible(np, "aspeed,ast2400-kcs-bmc") || - of_device_is_compatible(np, "aspeed,ast2500-kcs-bmc")) - kcs_bmc = aspeed_kcs_probe_of_v1(pdev); - else if (of_device_is_compatible(np, "aspeed,ast2400-kcs-bmc-v2") || - of_device_is_compatible(np, "aspeed,ast2500-kcs-bmc-v2")) - kcs_bmc = aspeed_kcs_probe_of_v2(pdev); - else + ops = of_device_get_match_data(&pdev->dev); + if (!ops) return -EINVAL; - if (IS_ERR(kcs_bmc)) - return PTR_ERR(kcs_bmc); + channel = ops->get_channel(pdev); + if (channel < 0) + return channel; + kcs_bmc = kcs_bmc_alloc(&pdev->dev, sizeof(struct aspeed_kcs_bmc), channel); + if (!kcs_bmc) + return -ENOMEM; + + kcs_bmc->ioreg = ast_kcs_bmc_ioregs[channel - 1]; kcs_bmc->io_inputb = aspeed_kcs_inb; kcs_bmc->io_outputb = aspeed_kcs_outb; + addr = ops->get_io_address(pdev); + if (addr < 0) + return addr; + + priv = kcs_bmc_priv(kcs_bmc); + priv->map = syscon_node_to_regmap(pdev->dev.parent->of_node); + if (IS_ERR(priv->map)) { + dev_err(&pdev->dev, "Couldn't get regmap\n"); + return -ENODEV; + } + + aspeed_kcs_set_address(kcs_bmc, addr); + rc = aspeed_kcs_config_irq(kcs_bmc, pdev); if (rc) return rc; @@ -400,11 +390,21 @@ static int aspeed_kcs_remove(struct platform_device *pdev) return 0; } +static const struct aspeed_kcs_of_ops of_v1_ops = { + .get_channel = aspeed_kcs_of_v1_get_channel, + .get_io_address = aspeed_kcs_of_v1_get_io_address, +}; + +static const struct aspeed_kcs_of_ops of_v2_ops = { + .get_channel = aspeed_kcs_of_v2_get_channel, + .get_io_address = aspeed_kcs_of_v2_get_io_address, +}; + static const struct of_device_id ast_kcs_bmc_match[] = { - { .compatible = "aspeed,ast2400-kcs-bmc" }, - { .compatible = "aspeed,ast2500-kcs-bmc" }, - { .compatible = "aspeed,ast2400-kcs-bmc-v2" }, - { .compatible = "aspeed,ast2500-kcs-bmc-v2" }, + { .compatible = "aspeed,ast2400-kcs-bmc", .data = &of_v1_ops }, + { .compatible = "aspeed,ast2500-kcs-bmc", .data = &of_v1_ops }, + { .compatible = "aspeed,ast2400-kcs-bmc-v2", .data = &of_v2_ops }, + { .compatible = "aspeed,ast2500-kcs-bmc-v2", .data = &of_v2_ops }, { } }; MODULE_DEVICE_TABLE(of, ast_kcs_bmc_match); -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel