From patchwork Mon Feb 12 13:50:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Romanov X-Patchwork-Id: 13553276 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B26E4C4829B for ; Mon, 12 Feb 2024 13:51:53 +0000 (UTC) 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=FnWuMVtNTrGDdaOR9bDlE1dUOp+C4Ujvx+tqt3ywqqY=; b=dtatyv+fowXlYo I/G4gXx2E+ZP9RasjqWWA7I+mIiLKw9rYRSSgbH4lTRQq+/DloMTHLCLCfykAQev+JLRfcsrAR5sh /lF1Rqxfu2tuOaO4ICkUDlPyvUxFfmM0mq/BYmzv3y8AxEgPl20BD7cwYyWe7Eb6pLe3HaVkiJBf0 KDp60ULlTHDO/7tYWuScCZQwV4tCG47M9k9LJIyZ3ug3Tr0k6glt3yFs2uGZTm9HmaetmeAmPbFx6 nmqtwGQb6TQdr3/Cz2BfgPa4xbUhv6KeFyNSY+Z09tgr1/TjSBeGg7oGDcL6tI5E+hhoeBojey5yV +0U4adXmgO7XQ/amUk/g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rZWik-00000005cIf-01pK; Mon, 12 Feb 2024 13:51:42 +0000 Received: from mx2.sberdevices.ru ([45.89.224.132] helo=mx1.sberdevices.ru) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rZWia-00000005cAp-392K; Mon, 12 Feb 2024 13:51:35 +0000 Received: from p-infra-ksmg-sc-msk02 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id C2C08120006; Mon, 12 Feb 2024 16:51:27 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru C2C08120006 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1707745887; bh=T4w8YmD8VWdxpwAM+qh0428tx6ubcLSqso0bV80y5tA=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=Cm2y3vvZUxudPUBBR6C2Z6HuVw+TaGyK7KlQswJpvBSf72osvXEs/ZfpasyUZi576 kNfsgGL/i+b5637MufqbKuPqt4jMFMbDcbedN2YwSY0oGgN7UBBCg4UeByUsSH4a2O 2eH36CnBieVhKH5re+5UjiaHthrH5DYGsH9ojYcjbwYKD74sxQ3p6uuwSIqNOKvGFM GQP3lhJcuYdzV1B+fxMIOCI6XA8DEpx5qjoRIMP2y2gZHT3+nBykWfV3U6YkDnsbfu lzBFpPAS4plhdTtzEO8NZ4VsYUcoFepnm45NUGsNWkWkIdwYIqf+5EzCJoclnsplff f4Z+EH5V9YjCg== Received: from smtp.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Mon, 12 Feb 2024 16:51:27 +0300 (MSK) Received: from user-A520M-DS3H.sberdevices.ru (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 12 Feb 2024 16:51:25 +0300 From: Alexey Romanov To: , , , , , , , , , , CC: , , , , , , Alexey Romanov Subject: [PATCH v4 01/20] drivers: crypto: meson: don't hardcode IRQ count Date: Mon, 12 Feb 2024 16:50:49 +0300 Message-ID: <20240212135108.549755-2-avromanov@salutedevices.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240212135108.549755-1-avromanov@salutedevices.com> References: <20240212135108.549755-1-avromanov@salutedevices.com> MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 183368 [Feb 12 2024] X-KSMG-AntiSpam-Version: 6.1.0.3 X-KSMG-AntiSpam-Envelope-From: avromanov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 7 0.3.7 6d6bf5bd8eea7373134f756a2fd73e9456bb7d1a, {Tracking_from_domain_doesnt_match_to}, d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;127.0.0.199:7.1.2;salutedevices.com:7.1.1;100.64.160.123:7.1.2;smtp.sberdevices.ru:5.0.1,7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2024/02/12 07:49:00 #23556813 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240212_055133_673906_035980FC X-CRM114-Status: GOOD ( 22.79 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org IRQ count is no longer hardcoded, and make it part of struct meson_flow. We need this for extend driver support for other Amlogic SoC's. Signed-off-by: Alexey Romanov --- drivers/crypto/amlogic/amlogic-gxl-cipher.c | 2 +- drivers/crypto/amlogic/amlogic-gxl-core.c | 47 ++++++++++++--------- drivers/crypto/amlogic/amlogic-gxl.h | 8 ++-- 3 files changed, 31 insertions(+), 26 deletions(-) diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c index 29048da6f50a..b19032f92415 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-cipher.c +++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c @@ -19,7 +19,7 @@ static int get_engine_number(struct meson_dev *mc) { - return atomic_inc_return(&mc->flow) % MAXFLOW; + return atomic_inc_return(&mc->flow) % mc->flow_cnt; } static bool meson_cipher_need_fallback(struct skcipher_request *areq) diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c index f54ab0d0b1e8..35ec64df5b3a 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-core.c +++ b/drivers/crypto/amlogic/amlogic-gxl-core.c @@ -28,8 +28,8 @@ static irqreturn_t meson_irq_handler(int irq, void *data) int flow; u32 p; - for (flow = 0; flow < MAXFLOW; flow++) { - if (mc->irqs[flow] == irq) { + for (flow = 0; flow < mc->flow_cnt; flow++) { + if (mc->chanlist[flow].irq == irq) { p = readl(mc->base + ((0x04 + flow) << 2)); if (p) { writel_relaxed(0xF, mc->base + ((0x4 + flow) << 2)); @@ -110,7 +110,7 @@ static int meson_debugfs_show(struct seq_file *seq, void *v) struct meson_dev *mc __maybe_unused = seq->private; int i; - for (i = 0; i < MAXFLOW; i++) + for (i = 0; i < mc->flow_cnt; i++) seq_printf(seq, "Channel %d: nreq %lu\n", i, #ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG mc->chanlist[i].stat_req); @@ -153,14 +153,32 @@ static void meson_free_chanlist(struct meson_dev *mc, int i) */ static int meson_allocate_chanlist(struct meson_dev *mc) { + struct platform_device *pdev = to_platform_device(mc->dev); int i, err; - mc->chanlist = devm_kcalloc(mc->dev, MAXFLOW, + mc->flow_cnt = platform_irq_count(pdev); + if (mc->flow_cnt <= 0) { + dev_err(mc->dev, "No IRQs defined\n"); + return -ENODEV; + } + + mc->chanlist = devm_kcalloc(mc->dev, mc->flow_cnt, sizeof(struct meson_flow), GFP_KERNEL); if (!mc->chanlist) return -ENOMEM; - for (i = 0; i < MAXFLOW; i++) { + for (i = 0; i < mc->flow_cnt; i++) { + mc->chanlist[i].irq = platform_get_irq(pdev, i); + if (mc->chanlist[i].irq < 0) + return mc->chanlist[i].irq; + + err = devm_request_irq(mc->dev, mc->chanlist[i].irq, + meson_irq_handler, 0, "aml-crypto", mc); + if (err < 0) { + dev_err(mc->dev, "Cannot request IRQ for flow %d\n", i); + return err; + } + init_completion(&mc->chanlist[i].complete); mc->chanlist[i].engine = crypto_engine_alloc_init(mc->dev, true); @@ -230,7 +248,7 @@ static void meson_unregister_algs(struct meson_dev *mc) static int meson_crypto_probe(struct platform_device *pdev) { struct meson_dev *mc; - int err, i; + int err; mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL); if (!mc) @@ -252,19 +270,6 @@ static int meson_crypto_probe(struct platform_device *pdev) return err; } - for (i = 0; i < MAXFLOW; i++) { - mc->irqs[i] = platform_get_irq(pdev, i); - if (mc->irqs[i] < 0) - return mc->irqs[i]; - - err = devm_request_irq(&pdev->dev, mc->irqs[i], meson_irq_handler, 0, - "gxl-crypto", mc); - if (err < 0) { - dev_err(mc->dev, "Cannot request IRQ for flow %d\n", i); - return err; - } - } - err = clk_prepare_enable(mc->busclk); if (err != 0) { dev_err(&pdev->dev, "Cannot prepare_enable busclk\n"); @@ -294,7 +299,7 @@ static int meson_crypto_probe(struct platform_device *pdev) error_alg: meson_unregister_algs(mc); error_flow: - meson_free_chanlist(mc, MAXFLOW - 1); + meson_free_chanlist(mc, mc->flow_cnt - 1); clk_disable_unprepare(mc->busclk); return err; } @@ -309,7 +314,7 @@ static void meson_crypto_remove(struct platform_device *pdev) meson_unregister_algs(mc); - meson_free_chanlist(mc, MAXFLOW - 1); + meson_free_chanlist(mc, mc->flow_cnt - 1); clk_disable_unprepare(mc->busclk); } diff --git a/drivers/crypto/amlogic/amlogic-gxl.h b/drivers/crypto/amlogic/amlogic-gxl.h index 1013a666c932..79177cfa8b88 100644 --- a/drivers/crypto/amlogic/amlogic-gxl.h +++ b/drivers/crypto/amlogic/amlogic-gxl.h @@ -22,8 +22,6 @@ #define MESON_OPMODE_ECB 0 #define MESON_OPMODE_CBC 1 -#define MAXFLOW 2 - #define MAXDESC 64 #define DESC_LAST BIT(18) @@ -62,6 +60,7 @@ struct meson_desc { * @keylen: keylen for this flow operation * @complete: completion for the current task on this flow * @status: set to 1 by interrupt if task is done + * @irq: IRQ number for amlogic-crypto * @t_phy: Physical address of task * @tl: pointer to the current ce_task for this flow * @stat_req: number of request done by this flow @@ -70,6 +69,7 @@ struct meson_flow { struct crypto_engine *engine; struct completion complete; int status; + int irq; unsigned int keylen; dma_addr_t t_phy; struct meson_desc *tl; @@ -85,7 +85,7 @@ struct meson_flow { * @dev: the platform device * @chanlist: array of all flow * @flow: flow to use in next request - * @irqs: IRQ numbers for amlogic-crypto + * @flow_cnt: flow count for amlogic-crypto * @dbgfs_dir: Debugfs dentry for statistic directory * @dbgfs_stats: Debugfs dentry for statistic counters */ @@ -95,7 +95,7 @@ struct meson_dev { struct device *dev; struct meson_flow *chanlist; atomic_t flow; - int irqs[MAXFLOW]; + int flow_cnt; #ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG struct dentry *dbgfs_dir; #endif