From patchwork Thu Sep 1 12:56:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corentin Labbe X-Patchwork-Id: 602262 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CEA64C67868 for ; Thu, 1 Sep 2022 12:57:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233374AbiIAM5Z (ORCPT ); Thu, 1 Sep 2022 08:57:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233456AbiIAM5X (ORCPT ); Thu, 1 Sep 2022 08:57:23 -0400 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 79E51857D9 for ; Thu, 1 Sep 2022 05:57:21 -0700 (PDT) Received: by mail-wm1-x334.google.com with SMTP id ay39-20020a05600c1e2700b003a5503a80cfso1398495wmb.2 for ; Thu, 01 Sep 2022 05:57:21 -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; bh=859E0YEubESiyrb+oeUTAg5/XBxqc58UKlJ7e69ztp0=; b=gQW24ZZBY/n9hVZN4h1VoaLidzrVJzi2qTNz9efgPt2L5hBRxnm/BFl7MX9rwgHKTz lc3b/JKwG5VPyp7urYO0lzQPNczxuKOXhtzPbvrQOC9+CC4jSbMmuLvzjCppptHuwzaw WxbmwR5+amoW70MfzPhAXf0RqbfwedSWiBmG4kl9sOQdZGROwZIH1nhZm2ITOy6XZXud oLRWYMDQvtdBBZ+F+im/ZZLpKM5Uk1WadgWnmmEqw8337QcYbNHcACMoc4CTAAFdKR+m 5Pp2IPteWEFZfBj8zs6o4AkIgr4vE+hxYOwHJGfwJoQz2tCSa2Dk3SwG5WY1UejTxkuf 7i5w== 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; bh=859E0YEubESiyrb+oeUTAg5/XBxqc58UKlJ7e69ztp0=; b=Ll12pUa1JVh7W9LdDZXm8EN7jntrohO3H3d7l0sF6RIwkZDavMcf3EoQbHMnFdPyyv 4AmUvjRLGtDQJIhSieCgNaZh7q/IRd7F5NSawdYjpLxtCqP8ntH7GO1K69Ve0l105JC9 jTLIkMUHvGhC/VOs4ROsGCpTrlg+d4L1/xhmGQXHtCjDHSEOPU2M1r06HwJ5lW4z3UvH 0p1+t+4rUsPjB3ad2U5522nvftxXEw0AirNt/brMev3BV/ZD3vBzwD73CEGjMkqrfmAH YRdpPrG8egEH+KBDUVAGmIH7/DzGLGOm+RB9Ti6MN7MxnJ7cMr0uvZuJd0P14mZ61/+l 9tzw== X-Gm-Message-State: ACgBeo1siLiwrCl6i7qdCUo0W29EvUwzDrNT8qp7uUCnNikjAr5m4JZO v7uld2TtoxRBvAKVRRSdZGHWsQ== X-Google-Smtp-Source: AA6agR6Nae+HpnChmEI8Os+s9n1ihbDr+z5KuZggYMuv35afWoficJpM+SyI3C9MLSWmyPMe4uOdCw== X-Received: by 2002:a05:600c:4f53:b0:3a6:9d3c:47e9 with SMTP id m19-20020a05600c4f5300b003a69d3c47e9mr5266713wmq.116.1662037039998; Thu, 01 Sep 2022 05:57:19 -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 v5-20020a5d59c5000000b002257fd37877sm15556709wry.6.2022.09.01.05.57.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Sep 2022 05:57:19 -0700 (PDT) From: Corentin Labbe To: heiko@sntech.de, herbert@gondor.apana.org.au, ardb@kernel.org, davem@davemloft.net, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, robh+dt@kernel.org, sboyd@kernel.org Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Corentin Labbe , John Keeping Subject: [PATCH v9 03/33] crypto: rockchip: do not do custom power management Date: Thu, 1 Sep 2022 12:56:40 +0000 Message-Id: <20220901125710.3733083-4-clabbe@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220901125710.3733083-1-clabbe@baylibre.com> References: <20220901125710.3733083-1-clabbe@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.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 = {