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[98.219.206.88]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6c340c96825sm1013236d6.75.2024.08.28.18.21.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Aug 2024 18:21:28 -0700 (PDT) From: Brian Masney To: herbert@gondor.apana.org.au Cc: davem@davemloft.net, quic_omprsing@quicinc.com, neil.armstrong@linaro.org, quic_bjorande@quicinc.com, linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] crypto: qcom-rng: rename *_of_data to *_match_data Date: Wed, 28 Aug 2024 21:20:04 -0400 Message-ID: <20240829012005.382715-2-bmasney@redhat.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240829012005.382715-1-bmasney@redhat.com> References: <20240829012005.382715-1-bmasney@redhat.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-type: text/plain The qcom-rng driver supports both ACPI and device tree based systems. Let's rename all instances of *_of_data to *_match_data in preparation for fixing the ACPI support that was broken with commit f29cd5bb64c2 ("crypto: qcom-rng - Add hw_random interface support"). Signed-off-by: Brian Masney --- drivers/crypto/qcom-rng.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/crypto/qcom-rng.c b/drivers/crypto/qcom-rng.c index c670d7d0c11e..4ed545001b77 100644 --- a/drivers/crypto/qcom-rng.c +++ b/drivers/crypto/qcom-rng.c @@ -36,14 +36,14 @@ struct qcom_rng { void __iomem *base; struct clk *clk; struct hwrng hwrng; - struct qcom_rng_of_data *of_data; + struct qcom_rng_match_data *match_data; }; struct qcom_rng_ctx { struct qcom_rng *rng; }; -struct qcom_rng_of_data { +struct qcom_rng_match_data { bool skip_init; bool hwrng_support; }; @@ -155,7 +155,7 @@ static int qcom_rng_init(struct crypto_tfm *tfm) ctx->rng = qcom_rng_dev; - if (!ctx->rng->of_data->skip_init) + if (!ctx->rng->match_data->skip_init) return qcom_rng_enable(ctx->rng); return 0; @@ -196,7 +196,7 @@ static int qcom_rng_probe(struct platform_device *pdev) if (IS_ERR(rng->clk)) return PTR_ERR(rng->clk); - rng->of_data = (struct qcom_rng_of_data *)of_device_get_match_data(&pdev->dev); + rng->match_data = (struct qcom_rng_match_data *)of_device_get_match_data(&pdev->dev); qcom_rng_dev = rng; ret = crypto_register_rng(&qcom_rng_alg); @@ -206,7 +206,7 @@ static int qcom_rng_probe(struct platform_device *pdev) return ret; } - if (rng->of_data->hwrng_support) { + if (rng->match_data->hwrng_support) { rng->hwrng.name = "qcom_hwrng"; rng->hwrng.read = qcom_hwrng_read; rng->hwrng.quality = QCOM_TRNG_QUALITY; @@ -231,17 +231,17 @@ static void qcom_rng_remove(struct platform_device *pdev) qcom_rng_dev = NULL; } -static struct qcom_rng_of_data qcom_prng_of_data = { +static struct qcom_rng_match_data qcom_prng_match_data = { .skip_init = false, .hwrng_support = false, }; -static struct qcom_rng_of_data qcom_prng_ee_of_data = { +static struct qcom_rng_match_data qcom_prng_ee_match_data = { .skip_init = true, .hwrng_support = false, }; -static struct qcom_rng_of_data qcom_trng_of_data = { +static struct qcom_rng_match_data qcom_trng_match_data = { .skip_init = true, .hwrng_support = true, }; @@ -253,9 +253,9 @@ static const struct acpi_device_id __maybe_unused qcom_rng_acpi_match[] = { MODULE_DEVICE_TABLE(acpi, qcom_rng_acpi_match); static const struct of_device_id __maybe_unused qcom_rng_of_match[] = { - { .compatible = "qcom,prng", .data = &qcom_prng_of_data }, - { .compatible = "qcom,prng-ee", .data = &qcom_prng_ee_of_data }, - { .compatible = "qcom,trng", .data = &qcom_trng_of_data }, + { .compatible = "qcom,prng", .data = &qcom_prng_match_data }, + { .compatible = "qcom,prng-ee", .data = &qcom_prng_ee_match_data }, + { .compatible = "qcom,trng", .data = &qcom_trng_match_data }, {} }; MODULE_DEVICE_TABLE(of, qcom_rng_of_match); From patchwork Thu Aug 29 01:20:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Masney X-Patchwork-Id: 13782370 X-Patchwork-Delegate: herbert@gondor.apana.org.au Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B795717C67 for ; 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[98.219.206.88]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6c340c96825sm1013236d6.75.2024.08.28.18.21.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Aug 2024 18:21:30 -0700 (PDT) From: Brian Masney To: herbert@gondor.apana.org.au Cc: davem@davemloft.net, quic_omprsing@quicinc.com, neil.armstrong@linaro.org, quic_bjorande@quicinc.com, linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] crypto: qcom-rng: fix support for ACPI-based systems Date: Wed, 28 Aug 2024 21:20:05 -0400 Message-ID: <20240829012005.382715-3-bmasney@redhat.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240829012005.382715-1-bmasney@redhat.com> References: <20240829012005.382715-1-bmasney@redhat.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-type: text/plain The qcom-rng driver supports both ACPI and device tree based systems. ACPI support was broken when the hw_random interface support was added. Let's go ahead and fix this by checking has_acpi_companion(). This fix was boot tested on a Qualcomm Amberwing server. Fixes: f29cd5bb64c2 ("crypto: qcom-rng - Add hw_random interface support") Signed-off-by: Brian Masney --- drivers/crypto/qcom-rng.c | 36 ++++++++++++++++++++---------------- 1 file changed, 20 insertions(+), 16 deletions(-) diff --git a/drivers/crypto/qcom-rng.c b/drivers/crypto/qcom-rng.c index 4ed545001b77..470062cb258c 100644 --- a/drivers/crypto/qcom-rng.c +++ b/drivers/crypto/qcom-rng.c @@ -176,6 +176,21 @@ static struct rng_alg qcom_rng_alg = { } }; +static struct qcom_rng_match_data qcom_prng_match_data = { + .skip_init = false, + .hwrng_support = false, +}; + +static struct qcom_rng_match_data qcom_prng_ee_match_data = { + .skip_init = true, + .hwrng_support = false, +}; + +static struct qcom_rng_match_data qcom_trng_match_data = { + .skip_init = true, + .hwrng_support = true, +}; + static int qcom_rng_probe(struct platform_device *pdev) { struct qcom_rng *rng; @@ -196,7 +211,11 @@ static int qcom_rng_probe(struct platform_device *pdev) if (IS_ERR(rng->clk)) return PTR_ERR(rng->clk); - rng->match_data = (struct qcom_rng_match_data *)of_device_get_match_data(&pdev->dev); + if (has_acpi_companion(&pdev->dev)) + rng->match_data = &qcom_prng_match_data; + else + rng->match_data = + (struct qcom_rng_match_data *)of_device_get_match_data(&pdev->dev); qcom_rng_dev = rng; ret = crypto_register_rng(&qcom_rng_alg); @@ -231,21 +250,6 @@ static void qcom_rng_remove(struct platform_device *pdev) qcom_rng_dev = NULL; } -static struct qcom_rng_match_data qcom_prng_match_data = { - .skip_init = false, - .hwrng_support = false, -}; - -static struct qcom_rng_match_data qcom_prng_ee_match_data = { - .skip_init = true, - .hwrng_support = false, -}; - -static struct qcom_rng_match_data qcom_trng_match_data = { - .skip_init = true, - .hwrng_support = true, -}; - static const struct acpi_device_id __maybe_unused qcom_rng_acpi_match[] = { { .id = "QCOM8160", .driver_data = 1 }, {}