From patchwork Wed Dec 20 23:54:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Hasemeyer X-Patchwork-Id: 13500819 Received: from mail-io1-f41.google.com (mail-io1-f41.google.com [209.85.166.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 24C7B4B5B7 for ; Wed, 20 Dec 2023 23:55:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="bQ/OcYOU" Received: by mail-io1-f41.google.com with SMTP id ca18e2360f4ac-7b7418bea02so9334039f.0 for ; Wed, 20 Dec 2023 15:55:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1703116509; x=1703721309; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=/o+KKmDTnImF1c7hrNdqiBoZEXBQ6geLnhMdio5wPuY=; b=bQ/OcYOU42ClsodC12+3G1i/51oibHkhqKyPVpnJP9AE81z80dDb8HxVcq7mr0fFQz cNDhMqlhOjBPL0IhF5IvOyhw/8r7H+dTrI7B84YwoDkl5iBjV4tzSbpxzRxUdm/2l/t3 evVRJSj4/k5XQSAp+y3QNlzuKbHlfshj8NnmI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703116509; x=1703721309; 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:message-id:reply-to; bh=/o+KKmDTnImF1c7hrNdqiBoZEXBQ6geLnhMdio5wPuY=; b=jLo5YBVZxwOtL66Sx4KZBYA+064JyzIxgQGQA57F3O7oDXDL3t+M66F8s/xIaj/0BE KNlEqnIUscdkaczXbHVpt5K4hupVgpq7mgy3OeqwOAOI/4NMGwPQdP2JEe2JwWbeJBes OYFaOpX9FX6kJsLPiQp5NEe0Z98T/KtM6yV/7EwhCGWJwvc7s6LOt0m/dQZP/3sO8+J7 nQfukl4n+eGFGmzyAtMJToCyDV8RR+iMMxRV82AOgBIXm2BLxJa53yZEEkm9VhQ2aKyf +RSSrBrKK/xg34xW5lkK9VtiLLU8SUGJfSXdKbaRTSoLRHS/++3CLjWQDw4wZ2ZxAevb YWPA== X-Gm-Message-State: AOJu0YznFi/lcCiYjYm9vwXL+Gl4SUVZGM3rva2QKx2gvhyklmHC6ZPz Nt1E1x7ebeDMYiefnRW311pRkA== X-Google-Smtp-Source: AGHT+IEGXHfpiQL4Na873JbMhS2alpdIudhyCNR9Y3AbU9rXTZhQrif1W8RId4Ou4p9f+m5KEqrz/g== X-Received: by 2002:a5d:8d95:0:b0:7b7:2bb4:c2b6 with SMTP id b21-20020a5d8d95000000b007b72bb4c2b6mr23483716ioj.31.1703116509294; Wed, 20 Dec 2023 15:55:09 -0800 (PST) Received: from markhas1.lan (71-218-50-136.hlrn.qwest.net. [71.218.50.136]) by smtp.gmail.com with ESMTPSA id bp22-20020a056638441600b0046b39a6f404sm177805jab.17.2023.12.20.15.55.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Dec 2023 15:55:09 -0800 (PST) From: Mark Hasemeyer To: LKML Cc: AngeloGioacchino Del Regno , Krzysztof Kozlowski , Tzung-Bi Shih , Raul Rangel , Konrad Dybcio , Andy Shevchenko , Rob Herring , Sudeep Holla , Mark Hasemeyer , Mika Westerberg , Wolfram Sang , linux-acpi@vger.kernel.org, linux-i2c@vger.kernel.org Subject: [PATCH v2 02/22] i2c: acpi: Modify i2c_acpi_get_irq() to use resource Date: Wed, 20 Dec 2023 16:54:16 -0700 Message-ID: <20231220165423.v2.2.Ib65096357993ff602e7dd0000dd59a36571c48d8@changeid> X-Mailer: git-send-email 2.43.0.472.g3155946c3a-goog In-Reply-To: <20231220235459.2965548-1-markhas@chromium.org> References: <20231220235459.2965548-1-markhas@chromium.org> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The i2c_acpi_irq_context structure provides redundant information that can be provided with struct resource. Refactor i2c_acpi_get_irq() to use struct resource instead of struct i2c_acpi_irq_context. Signed-off-by: Mark Hasemeyer --- Changes in v2: -New patch drivers/i2c/i2c-core-acpi.c | 44 ++++++++++++++----------------------- drivers/i2c/i2c-core-base.c | 6 ++--- drivers/i2c/i2c-core.h | 4 ++-- 3 files changed, 22 insertions(+), 32 deletions(-) diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 8126a87baf3d4..01cf140da21af 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -175,64 +175,54 @@ static int i2c_acpi_do_lookup(struct acpi_device *adev, static int i2c_acpi_add_irq_resource(struct acpi_resource *ares, void *data) { - struct i2c_acpi_irq_context *irq_ctx = data; - struct resource r; + struct resource *r = data; - if (irq_ctx->irq > 0) + if (r->start > 0) return 1; - if (!acpi_dev_resource_interrupt(ares, 0, &r)) + if (!acpi_dev_resource_interrupt(ares, 0, r)) return 1; - irq_ctx->irq = i2c_dev_irq_from_resources(&r, 1); - irq_ctx->wake_capable = r.flags & IORESOURCE_IRQ_WAKECAPABLE; + i2c_dev_irq_from_resources(r, 1); return 1; /* No need to add resource to the list */ } /** - * i2c_acpi_get_irq - get device IRQ number from ACPI + * i2c_acpi_get_irq - get device IRQ number from ACPI and populate resource * @client: Pointer to the I2C client device - * @wake_capable: Set to true if the IRQ is wake capable + * @r: resource with populated IRQ information * * Find the IRQ number used by a specific client device. * * Return: The IRQ number or an error code. */ -int i2c_acpi_get_irq(struct i2c_client *client, bool *wake_capable) +int i2c_acpi_get_irq(struct i2c_client *client, struct resource *r) { struct acpi_device *adev = ACPI_COMPANION(&client->dev); struct list_head resource_list; - struct resource irqres; - struct i2c_acpi_irq_context irq_ctx = { - .irq = -ENOENT, - }; int ret; + if (IS_ERR_OR_NULL(r)) + return -EINVAL; + INIT_LIST_HEAD(&resource_list); ret = acpi_dev_get_resources(adev, &resource_list, - i2c_acpi_add_irq_resource, &irq_ctx); + i2c_acpi_add_irq_resource, r); if (ret < 0) return ret; acpi_dev_free_resource_list(&resource_list); - if (irq_ctx.irq == -ENOENT) { - ret = acpi_dev_get_gpio_irq_resource(adev, NULL, 0, &irqres); - if (ret) - return ret; - irq_ctx.irq = irqres.start; - irq_ctx.wake_capable = irqres.flags & IORESOURCE_IRQ_WAKECAPABLE; - } - - if (irq_ctx.irq < 0) - return irq_ctx.irq; + if (r->start > 0) + return r->start; - if (wake_capable) - *wake_capable = irq_ctx.wake_capable; + ret = acpi_dev_get_gpio_irq_resource(adev, NULL, 0, r); + if (!ret) + return r->start; - return irq_ctx.irq; + return ret; } static int i2c_acpi_get_info(struct acpi_device *adev, diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 3bd48d4b6318f..8b8c7581a60c2 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -513,10 +513,10 @@ static int i2c_device_probe(struct device *dev) if (irq == -EINVAL || irq == -ENODATA) irq = of_irq_get(dev->of_node, 0); } else if (ACPI_COMPANION(dev)) { - bool wake_capable; + struct resource r = {0}; - irq = i2c_acpi_get_irq(client, &wake_capable); - if (irq > 0 && wake_capable) + irq = i2c_acpi_get_irq(client, &r); + if (irq > 0 && r.flags & IORESOURCE_IRQ_WAKECAPABLE) client->flags |= I2C_CLIENT_WAKE; } if (irq == -EPROBE_DEFER) { diff --git a/drivers/i2c/i2c-core.h b/drivers/i2c/i2c-core.h index 05b8b8dfa9bdd..b5dc559c49d11 100644 --- a/drivers/i2c/i2c-core.h +++ b/drivers/i2c/i2c-core.h @@ -61,11 +61,11 @@ static inline int __i2c_check_suspended(struct i2c_adapter *adap) #ifdef CONFIG_ACPI void i2c_acpi_register_devices(struct i2c_adapter *adap); -int i2c_acpi_get_irq(struct i2c_client *client, bool *wake_capable); +int i2c_acpi_get_irq(struct i2c_client *client, struct resource *r); #else /* CONFIG_ACPI */ static inline void i2c_acpi_register_devices(struct i2c_adapter *adap) { } -static inline int i2c_acpi_get_irq(struct i2c_client *client, bool *wake_capable) +static inline int i2c_acpi_get_irq(struct i2c_client *client, struct resource *r) { return 0; }