From patchwork Mon Sep 12 22:13:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raul E Rangel X-Patchwork-Id: 605017 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 3CE38C6FA82 for ; Mon, 12 Sep 2022 22:14:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230308AbiILWOx (ORCPT ); Mon, 12 Sep 2022 18:14:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230240AbiILWOD (ORCPT ); Mon, 12 Sep 2022 18:14:03 -0400 Received: from mail-io1-xd31.google.com (mail-io1-xd31.google.com [IPv6:2607:f8b0:4864:20::d31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A35164E622 for ; Mon, 12 Sep 2022 15:13:54 -0700 (PDT) Received: by mail-io1-xd31.google.com with SMTP id 62so8153492iov.5 for ; Mon, 12 Sep 2022 15:13:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=AO8ELqmpv4JTpt7IbubS6DP/bQTOugLMw7Qn2st0yGY=; b=XSp5pncr9yu/es3paVMOJaxYPzJhZW5sFXx4sOGyu+zkxl0xUR9EQ2ROZ0HHsGbfzI RX1Bp8NZRQZ51QjuNk5OlgbiBl8MIAZx54hrbftzqE6Ew7WNPIb3aATT1ssatyQHpF3D Zo0lpM7MeqH2La8keyYOYYttUoxJlynbnBdok= 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=AO8ELqmpv4JTpt7IbubS6DP/bQTOugLMw7Qn2st0yGY=; b=cYqvsiBV/iutTEh68aUSsGxgkdy8Z3JShwHvmkKXPEO5v3Bxz2ndACt6NA5vzccP0u 9maTADnR+9hhthrDZU4eo3pTdAU7L1vx9mIPBGuC+kEytdNlXUlwwDTjSUtME24VnN3C WARIz+SRtvAV/09cdn3HYyKJ0I7XbFGBRTWmDZHzbSHONGGaWuLkN4VO17wNa7uakVDq VazKqnzcGXCU4rdhsTBqdrXhWDshny3yK1mVoq5PX15X6mF9bV/Tuc8YpSGpqlWEB3Cg lO6hAYCpyze+4jOYXNSWkSx8aGGHRPZBqECmDnrcgO04LAN5Pe6rhikS8zSQbgeVKobX WmOA== X-Gm-Message-State: ACgBeo0ZtMnedwmlNdcVIyGdzSo8cKS9vF6yw6VJEpgks7bF45WVAhwv wx2WkkaCtbhK+zDuFN6sYB3Lg7QQg3aBOk1a X-Google-Smtp-Source: AA6agR4j7otLmc4Qt+KhYnFBTvDOoaO/IFebheo79BvjoHtEC90WfKYj6d4ZvVT/o43pV21YYR7DAA== X-Received: by 2002:a05:6638:4416:b0:35a:3cca:4db3 with SMTP id bp22-20020a056638441600b0035a3cca4db3mr3340109jab.0.1663020833972; Mon, 12 Sep 2022 15:13:53 -0700 (PDT) Received: from rrangel920.bld.corp.google.com (h24-56-189-219.arvdco.broadband.dynamic.tds.net. [24.56.189.219]) by smtp.gmail.com with ESMTPSA id 18-20020a056e020cb200b002f16e7021f6sm4077334ilg.22.2022.09.12.15.13.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Sep 2022 15:13:53 -0700 (PDT) From: Raul E Rangel To: linux-acpi@vger.kernel.org, linux-input@vger.kernel.org Cc: andriy.shevchenko@linux.intel.com, jingle.wu@emc.com.tw, mario.limonciello@amd.com, timvp@google.com, linus.walleij@linaro.org, hdegoede@redhat.com, rafael@kernel.org, Raul E Rangel , Dan Williams , Greg Kroah-Hartman , Jonathan Cameron , Len Brown , Terry Bowman , Wolfram Sang , linux-kernel@vger.kernel.org Subject: [PATCH v2 06/13] ACPI: resources: Add wake_capable parameter to acpi_dev_irq_flags Date: Mon, 12 Sep 2022 16:13:10 -0600 Message-Id: <20220912160931.v2.6.I8092e417a8152475d13d8d638eb4c5d8ea12ac7b@changeid> X-Mailer: git-send-email 2.37.2.789.g6183377224-goog In-Reply-To: <20220912221317.2775651-1-rrangel@chromium.org> References: <20220912221317.2775651-1-rrangel@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org ACPI IRQ/Interrupt resources contain a bit that describes if the interrupt should wake the system. This change exposes that bit via a new IORESOURCE_IRQ_WAKECAPABLE flag. Drivers should check this flag before arming an IRQ to wake the system. Signed-off-by: Raul E Rangel --- Changes in v2: - Added ability to extract wake bit from Interrupt/IRQ resources drivers/acpi/irq.c | 11 ++++++++--- drivers/acpi/resource.c | 24 +++++++++++++++++------- drivers/pnp/pnpacpi/rsparser.c | 9 ++++++--- include/linux/acpi.h | 3 ++- include/linux/ioport.h | 3 ++- 5 files changed, 35 insertions(+), 15 deletions(-) diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c index dabe45eba055d1..5483cf9a28e3a0 100644 --- a/drivers/acpi/irq.c +++ b/drivers/acpi/irq.c @@ -147,6 +147,7 @@ struct acpi_irq_parse_one_ctx { * @polarity: polarity attributes of hwirq * @polarity: polarity attributes of hwirq * @shareable: shareable attributes of hwirq + * @wake_capable: wake capable attribute of hwirq * @ctx: acpi_irq_parse_one_ctx updated by this function * * Description: @@ -156,12 +157,14 @@ struct acpi_irq_parse_one_ctx { static inline void acpi_irq_parse_one_match(struct fwnode_handle *fwnode, u32 hwirq, u8 triggering, u8 polarity, u8 shareable, + u8 wake_capable, struct acpi_irq_parse_one_ctx *ctx) { if (!fwnode) return; ctx->rc = 0; - *ctx->res_flags = acpi_dev_irq_flags(triggering, polarity, shareable); + *ctx->res_flags = acpi_dev_irq_flags(triggering, polarity, shareable, + wake_capable); ctx->fwspec->fwnode = fwnode; ctx->fwspec->param[0] = hwirq; ctx->fwspec->param[1] = acpi_dev_get_irq_type(triggering, polarity); @@ -204,7 +207,8 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares, fwnode = acpi_get_gsi_domain_id(irq->interrupts[ctx->index]); acpi_irq_parse_one_match(fwnode, irq->interrupts[ctx->index], irq->triggering, irq->polarity, - irq->shareable, ctx); + irq->shareable, irq->wake_capable, + ctx); return AE_CTRL_TERMINATE; case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: eirq = &ares->data.extended_irq; @@ -218,7 +222,8 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares, eirq->interrupts[ctx->index]); acpi_irq_parse_one_match(fwnode, eirq->interrupts[ctx->index], eirq->triggering, eirq->polarity, - eirq->shareable, ctx); + eirq->shareable, eirq->wake_capable, + ctx); return AE_CTRL_TERMINATE; } diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 510cdec375c4d8..6a1c008a348902 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -336,8 +336,10 @@ EXPORT_SYMBOL_GPL(acpi_dev_resource_ext_address_space); * @triggering: Triggering type as provided by ACPI. * @polarity: Interrupt polarity as provided by ACPI. * @shareable: Whether or not the interrupt is shareable. + * @wake_capable: Wake capability as provided by ACPI. */ -unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable) +unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, + u8 wake_capable) { unsigned long flags; @@ -351,6 +353,9 @@ unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable) if (shareable == ACPI_SHARED) flags |= IORESOURCE_IRQ_SHAREABLE; + if (wake_capable == ACPI_WAKE_CAPABLE) + flags |= IORESOURCE_IRQ_WAKECAPABLE; + return flags | IORESOURCE_IRQ; } EXPORT_SYMBOL_GPL(acpi_dev_irq_flags); @@ -442,7 +447,7 @@ static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity, static void acpi_dev_get_irqresource(struct resource *res, u32 gsi, u8 triggering, u8 polarity, u8 shareable, - bool check_override) + u8 wake_capable, bool check_override) { int irq, p, t; @@ -475,7 +480,8 @@ static void acpi_dev_get_irqresource(struct resource *res, u32 gsi, } } - res->flags = acpi_dev_irq_flags(triggering, polarity, shareable); + res->flags = acpi_dev_irq_flags(triggering, polarity, shareable, + wake_capable); irq = acpi_register_gsi(NULL, gsi, triggering, polarity); if (irq >= 0) { res->start = irq; @@ -523,7 +529,8 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, } acpi_dev_get_irqresource(res, irq->interrupts[index], irq->triggering, irq->polarity, - irq->shareable, true); + irq->shareable, irq->wake_capable, + true); break; case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: ext_irq = &ares->data.extended_irq; @@ -532,9 +539,12 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, return false; } if (is_gsi(ext_irq)) - acpi_dev_get_irqresource(res, ext_irq->interrupts[index], - ext_irq->triggering, ext_irq->polarity, - ext_irq->shareable, false); + acpi_dev_get_irqresource(res, + ext_irq->interrupts[index], + ext_irq->triggering, + ext_irq->polarity, + ext_irq->shareable, + ext_irq->wake_capable, false); else irqresource_disabled(res, 0); break; diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index da78dc77aed32e..55b28fc0a94042 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -206,7 +206,8 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, if (i >= 0) { flags = acpi_dev_irq_flags(gpio->triggering, gpio->polarity, - gpio->shareable); + gpio->shareable, + gpio->wake_capable); } else { flags = IORESOURCE_DISABLED; } @@ -315,7 +316,8 @@ static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev, if (p->interrupts[i]) __set_bit(p->interrupts[i], map.bits); - flags = acpi_dev_irq_flags(p->triggering, p->polarity, p->shareable); + flags = acpi_dev_irq_flags(p->triggering, p->polarity, p->shareable, + p->wake_capable); pnp_register_irq_resource(dev, option_flags, &map, flags); } @@ -339,7 +341,8 @@ static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev, } } - flags = acpi_dev_irq_flags(p->triggering, p->polarity, p->shareable); + flags = acpi_dev_irq_flags(p->triggering, p->polarity, p->shareable, + p->wake_capable); pnp_register_irq_resource(dev, option_flags, &map, flags); } diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 7ee946758c5bcc..10ecf935e59431 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -495,7 +495,8 @@ bool acpi_dev_resource_address_space(struct acpi_resource *ares, struct resource_win *win); bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, struct resource_win *win); -unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); +unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, + u8 wake_capable); unsigned int acpi_dev_get_irq_type(int triggering, int polarity); bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, struct resource *res); diff --git a/include/linux/ioport.h b/include/linux/ioport.h index 616b683563a970..3baeea4d903bfd 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -79,7 +79,8 @@ struct resource { #define IORESOURCE_IRQ_HIGHLEVEL (1<<2) #define IORESOURCE_IRQ_LOWLEVEL (1<<3) #define IORESOURCE_IRQ_SHAREABLE (1<<4) -#define IORESOURCE_IRQ_OPTIONAL (1<<5) +#define IORESOURCE_IRQ_OPTIONAL (1<<5) +#define IORESOURCE_IRQ_WAKECAPABLE (1<<6) /* PnP DMA specific bits (IORESOURCE_BITS) */ #define IORESOURCE_DMA_TYPE_MASK (3<<0)