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 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 CC6B6C6FA83 for ; Tue, 27 Sep 2022 07:58:25 +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=qeL2tTkFpOMa9OA2grnPjVYcI+9EdkFdK3uvaCoxa40=; b=hokAuGJ5EOkkUb 0Vm2nMxcIExmLvbq4BOHZsad2atGUrIW0wxijeBBvN4PZWyPOlanPxwUjT0yNnRhPD4Utj/iYCZC4 RzqdKUjoVbm4DE0SokvSSzqU9UmuNwxHIkJ4myl+X/nlYxbc4p1kz/NP1a8XwYwed+bDbbc4MrXDh /yTPZJnCWX0wYJkOd2uWVnXMHtMcuCvVVBhv+tUgxZ/vW7p1S5i10SN1pxj+DixLSJOLdmbSeWrUq ZktzMtuHTvetexoe/uYeyZAafxK/Hmb3LW+2CiOM53kZlUMKzlwHFTAi/GWCR+6kpUiofMytSChNF B5y8vsLIeZeKNmavpdfQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1od5Sq-008vhx-Hw; Tue, 27 Sep 2022 07:57:12 +0000 Received: from mail-wm1-x32b.google.com ([2a00:1450:4864:20::32b]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1od5RL-008upX-Eo for linux-arm-kernel@lists.infradead.org; Tue, 27 Sep 2022 07:55:42 +0000 Received: by mail-wm1-x32b.google.com with SMTP id c192-20020a1c35c9000000b003b51339d350so6486199wma.3 for ; Tue, 27 Sep 2022 00:55:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=859E0YEubESiyrb+oeUTAg5/XBxqc58UKlJ7e69ztp0=; b=O57VZQFJfZM8y3bUEDa/1C95hKSs4mFF1ch5oxOyzCMQBamMAD2Axqz5G6D2G7Z/7W iiyJQV9n/pZBlaWQLp0ckZTiuz97QMl5oL6AvWP/u4V775DEECm11pFT8/xSnBWsdWAR 9AfUZB1EZHpMoZdavj0l3bn04yemR5yq3fyh70LEGxsdkwcpqYcoA2yy4BGJd0MwgsHJ z3xDhx3m62O+wAEnoegzUtmuRClj7/dWjrh8a501j3MFEvI1VP/PVKHWlK1vsAoz/+79 BbMreKgLad/LfdJ/FfLvpyFkr/vjJRnm8IzDrS4gWUi+EeWZpAygsAbAFAKe26e5jWvY 4MQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=859E0YEubESiyrb+oeUTAg5/XBxqc58UKlJ7e69ztp0=; b=EILDEYLAgNvrsNjUk8bhMrUXcsXq0fREqUmer2QzzD9Xq/O9ur7s2ItwYmfV2fcs4o cXYhzDNSuw7mLcTkcqNc2h5xiw2d2ddyITNrSkD/U5kOIHDbPJk+dbKKF4XXBG9n7Pqy 8wBEQ1XsK+krMoqP3RnHnj0SUFe9N9hsTB+ept8jKwnrvf2Q+P6v4WJs6lyg7kvhP5p9 UtJoeASrAWmK8Q6M/IVi63ybHDUWzUI6cKkZYY4GNGF2P+s5CSypRHq/nVk6lj4L+SLU AK//0U1ERnxc65SpORk1kb4GkHJ2FvKftvkW8th914duFquytT09op1obmH77NT3nLXN U3PA== X-Gm-Message-State: ACrzQf0docA2LsTpRFLVXbfYyWwl9grfE2CM866RqhRkxZOosHD9TNrS buRKPjnPVus2VDzaUV773Ml/NA== X-Google-Smtp-Source: AMsMyM59HBtG3JW7+pgOOZEpo1WSKsAXEgVjiMfqbedJcjPpizX/twxjorgrS95LF1Gu4JnUc5Bu/A== X-Received: by 2002:a05:600c:4e52:b0:3b4:91ec:b15d with SMTP id e18-20020a05600c4e5200b003b491ecb15dmr1590982wmq.119.1664265336300; Tue, 27 Sep 2022 00:55:36 -0700 (PDT) Received: from localhost.localdomain (laubervilliers-658-1-213-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.googlemail.com with ESMTPSA id x8-20020adfdcc8000000b0022afbd02c69sm1076654wrm.56.2022.09.27.00.55.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Sep 2022 00:55:35 -0700 (PDT) From: Corentin Labbe To: heiko@sntech.de, ardb@kernel.org, davem@davemloft.net, herbert@gondor.apana.org.au, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, robh+dt@kernel.org, sboyd@kernel.org Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Corentin Labbe , John Keeping Subject: [PATCH v10 03/33] crypto: rockchip: do not do custom power management Date: Tue, 27 Sep 2022 07:54:41 +0000 Message-Id: <20220927075511.3147847-4-clabbe@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220927075511.3147847-1-clabbe@baylibre.com> References: <20220927075511.3147847-1-clabbe@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220927_005539_508153_3E177A13 X-CRM114-Status: GOOD ( 17.19 ) 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 The clock enable/disable at tfm init/exit is fragile, if 2 tfm are init in the same time and one is removed just after, it will leave the hardware uncloked even if a user remains. Instead simply enable clocks at probe time. We will do PM later. Fixes: ce0183cb6464b ("crypto: rockchip - switch to skcipher API") Reviewed-by: John Keeping Signed-off-by: Corentin Labbe --- drivers/crypto/rockchip/rk3288_crypto.c | 4 ++-- drivers/crypto/rockchip/rk3288_crypto.h | 2 -- drivers/crypto/rockchip/rk3288_crypto_ahash.c | 3 +-- drivers/crypto/rockchip/rk3288_crypto_skcipher.c | 5 +++-- 4 files changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/crypto/rockchip/rk3288_crypto.c b/drivers/crypto/rockchip/rk3288_crypto.c index 21d3f1458584..4cff49b82983 100644 --- a/drivers/crypto/rockchip/rk3288_crypto.c +++ b/drivers/crypto/rockchip/rk3288_crypto.c @@ -394,8 +394,7 @@ static int rk_crypto_probe(struct platform_device *pdev) rk_crypto_done_task_cb, (unsigned long)crypto_info); crypto_init_queue(&crypto_info->queue, 50); - crypto_info->enable_clk = rk_crypto_enable_clk; - crypto_info->disable_clk = rk_crypto_disable_clk; + rk_crypto_enable_clk(crypto_info); crypto_info->load_data = rk_load_data; crypto_info->unload_data = rk_unload_data; crypto_info->enqueue = rk_crypto_enqueue; @@ -422,6 +421,7 @@ static int rk_crypto_remove(struct platform_device *pdev) struct rk_crypto_info *crypto_tmp = platform_get_drvdata(pdev); rk_crypto_unregister(); + rk_crypto_disable_clk(crypto_tmp); tasklet_kill(&crypto_tmp->done_task); tasklet_kill(&crypto_tmp->queue_task); return 0; diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h index 97278c2574ff..2fa7131e4060 100644 --- a/drivers/crypto/rockchip/rk3288_crypto.h +++ b/drivers/crypto/rockchip/rk3288_crypto.h @@ -220,8 +220,6 @@ struct rk_crypto_info { int (*start)(struct rk_crypto_info *dev); int (*update)(struct rk_crypto_info *dev); void (*complete)(struct crypto_async_request *base, int err); - int (*enable_clk)(struct rk_crypto_info *dev); - void (*disable_clk)(struct rk_crypto_info *dev); int (*load_data)(struct rk_crypto_info *dev, struct scatterlist *sg_src, struct scatterlist *sg_dst); diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c index ed03058497bc..49017d1fb510 100644 --- a/drivers/crypto/rockchip/rk3288_crypto_ahash.c +++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c @@ -301,7 +301,7 @@ static int rk_cra_hash_init(struct crypto_tfm *tfm) sizeof(struct rk_ahash_rctx) + crypto_ahash_reqsize(tctx->fallback_tfm)); - return tctx->dev->enable_clk(tctx->dev); + return 0; } static void rk_cra_hash_exit(struct crypto_tfm *tfm) @@ -309,7 +309,6 @@ static void rk_cra_hash_exit(struct crypto_tfm *tfm) struct rk_ahash_ctx *tctx = crypto_tfm_ctx(tfm); free_page((unsigned long)tctx->dev->addr_vir); - return tctx->dev->disable_clk(tctx->dev); } struct rk_crypto_tmp rk_ahash_sha1 = { diff --git a/drivers/crypto/rockchip/rk3288_crypto_skcipher.c b/drivers/crypto/rockchip/rk3288_crypto_skcipher.c index 5bbf0d2722e1..8c44a19eab75 100644 --- a/drivers/crypto/rockchip/rk3288_crypto_skcipher.c +++ b/drivers/crypto/rockchip/rk3288_crypto_skcipher.c @@ -388,8 +388,10 @@ static int rk_ablk_init_tfm(struct crypto_skcipher *tfm) ctx->dev->update = rk_ablk_rx; ctx->dev->complete = rk_crypto_complete; ctx->dev->addr_vir = (char *)__get_free_page(GFP_KERNEL); + if (!ctx->dev->addr_vir) + return -ENOMEM; - return ctx->dev->addr_vir ? ctx->dev->enable_clk(ctx->dev) : -ENOMEM; + return 0; } static void rk_ablk_exit_tfm(struct crypto_skcipher *tfm) @@ -397,7 +399,6 @@ static void rk_ablk_exit_tfm(struct crypto_skcipher *tfm) struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); free_page((unsigned long)ctx->dev->addr_vir); - ctx->dev->disable_clk(ctx->dev); } struct rk_crypto_tmp rk_ecb_aes_alg = { -- 2.35.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel