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Date: Mon, 22 Jan 2024 10:14:02 +0100 From: Matthias Brugger <matthias.bgg@...il.com> To: Mark Hasemeyer <markhas@...omium.org>, LKML <linux-kernel@...r.kernel.org> Cc: Sudeep Holla <sudeep.holla@....com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Rob Herring <robh@...nel.org>, Andy Shevchenko <andriy.shevchenko@...el.com>, Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, Raul Rangel <rrangel@...omium.org>, Tzung-Bi Shih <tzungbi@...nel.org>, AKASHI Takahiro <takahiro.akashi@...aro.org>, Alexandre TORGUE <alexandre.torgue@...com>, Alim Akhtar <alim.akhtar@...sung.com>, Andre Przywara <andre.przywara@....com>, Andrew Morton <akpm@...ux-foundation.org>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Baoquan He <bhe@...hat.com>, Bartosz Golaszewski <brgl@...ev.pl>, Benson Leung <bleung@...omium.org>, Bhanu Prakash Maiya <bhanumaiya@...omium.org>, Bjorn Andersson <andersson@...nel.org>, Chen-Yu Tsai <wenst@...omium.org>, Conor Dooley <conor+dt@...nel.org>, Daniel Scally <djrscally@...il.com>, David Gow <davidgow@...gle.com>, Frank Rowand <frowand.list@...il.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Guenter Roeck <groeck@...omium.org>, Heikki Krogerus <heikki.krogerus@...ux.intel.com>, Heiko Stuebner <heiko@...ech.de>, Jonathan Hunter <jonathanh@...dia.com>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Len Brown <lenb@...nel.org>, Linus Walleij <linus.walleij@...aro.org>, Mark Brown <broonie@...nel.org>, Mika Westerberg <mika.westerberg@...ux.intel.com>, Nick Hawkins <nick.hawkins@....com>, Paul Barker <paul.barker@...cloud.com>, Prashant Malani <pmalani@...omium.org>, "Rafael J. Wysocki" <rafael@...nel.org>, Rob Barnes <robbarnes@...gle.com>, Rob Herring <robh+dt@...nel.org>, Romain Perier <romain.perier@...il.com>, Sakari Ailus <sakari.ailus@...ux.intel.com>, Stephen Boyd <swboyd@...omium.org>, Takashi Iwai <tiwai@...e.de>, Thierry Reding <thierry.reding@...il.com>, Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, Wei Xu <xuwei5@...ilicon.com>, Wolfram Sang <wsa@...nel.org>, chrome-platform@...ts.linux.dev, cros-qcom-dts-watchers@...omium.org, devicetree@...r.kernel.org, linux-acpi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org, linux-mediatek@...ts.infradead.org, linux-rockchip@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, linux-tegra@...r.kernel.org Subject: Re: [PATCH v4 00/24] Improve IRQ wake capability reporting and update the cros_ec driver to use it On 02/01/2024 22:07, Mark Hasemeyer wrote: > Currently the cros_ec driver assumes that its associated interrupt is > wake capable. This is an incorrect assumption as some Chromebooks use a > separate wake pin, while others overload the interrupt for wake and IO. > This patch train updates the driver to query the underlying ACPI/DT data > to determine whether or not the IRQ should be enabled for wake. > > Both the device tree and ACPI systems have methods for reporting IRQ > wake capability. In device tree based systems, a node can advertise > itself as a 'wakeup-source'. In ACPI based systems, GpioInt and > Interrupt resource descriptors can use the 'SharedAndWake' or > 'ExclusiveAndWake' share types. > > Some logic is added to the platform, ACPI, and DT subsystems to more > easily pipe wakeirq information up to the driver. > Patch 9, 10, 11 and 12 applied to the mediatek tree. Thanks! > Changes in v4: > -Rebase on linux-next > -See each patch for patch specific changes > > Changes in v3: > -Rebase on linux-next > -See each patch for patch specific changes > > Changes in v2: > -Rebase on linux-next > -Add cover letter > -See each patch for patch specific changes > > Mark Hasemeyer (24): > resource: Add DEFINE_RES_*_NAMED_FLAGS macro > gpiolib: acpi: Modify acpi_dev_irq_wake_get_by() to use resource > i2c: acpi: Modify i2c_acpi_get_irq() to use resource > dt-bindings: power: Clarify wording for wakeup-source property > ARM: dts: tegra: Enable cros-ec-spi as wake source > ARM: dts: rockchip: rk3288: Enable cros-ec-spi as wake source > ARM: dts: samsung: exynos5420: Enable cros-ec-spi as wake source > ARM: dts: samsung: exynos5800: Enable cros-ec-spi as wake source > arm64: dts: mediatek: mt8173: Enable cros-ec-spi as wake source > arm64: dts: mediatek: mt8183: Enable cros-ec-spi as wake source > arm64: dts: mediatek: mt8192: Enable cros-ec-spi as wake source > arm64: dts: mediatek: mt8195: Enable cros-ec-spi as wake source > arm64: dts: tegra: Enable cros-ec-spi as wake source > arm64: dts: qcom: sc7180: Enable cros-ec-spi as wake source > arm64: dts: qcom: sc7280: Enable cros-ec-spi as wake source > arm64: dts: qcom: sdm845: Enable cros-ec-spi as wake source > arm64: dts: rockchip: rk3399: Enable cros-ec-spi as wake source > of: irq: add wake capable bit to of_irq_resource() > of: irq: Add default implementation for of_irq_to_resource() > of: irq: Remove extern from function declarations > device property: Modify fwnode irq_get() to use resource > device property: Update functions to use EXPORT_SYMBOL_GPL() > platform: Modify platform_get_irq_optional() to use resource > platform/chrome: cros_ec: Use PM subsystem to manage wakeirq > > .../bindings/power/wakeup-source.txt | 18 ++-- > arch/arm/boot/dts/nvidia/tegra124-nyan.dtsi | 1 + > arch/arm/boot/dts/nvidia/tegra124-venice2.dts | 1 + > .../rockchip/rk3288-veyron-chromebook.dtsi | 1 + > .../boot/dts/samsung/exynos5420-peach-pit.dts | 1 + > .../boot/dts/samsung/exynos5800-peach-pi.dts | 1 + > arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi | 1 + > .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 1 + > .../boot/dts/mediatek/mt8192-asurada.dtsi | 1 + > .../boot/dts/mediatek/mt8195-cherry.dtsi | 1 + > .../arm64/boot/dts/nvidia/tegra132-norrin.dts | 1 + > arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 1 + > .../arm64/boot/dts/qcom/sc7280-herobrine.dtsi | 1 + > .../arm64/boot/dts/qcom/sc7280-idp-ec-h1.dtsi | 1 + > arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | 1 + > arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi | 1 + > drivers/acpi/property.c | 11 ++- > drivers/base/platform.c | 90 ++++++++++++------- > drivers/base/property.c | 40 ++++++--- > drivers/gpio/gpiolib-acpi.c | 28 ++++-- > drivers/i2c/i2c-core-acpi.c | 43 ++++----- > drivers/i2c/i2c-core-base.c | 6 +- > drivers/i2c/i2c-core.h | 4 +- > drivers/of/irq.c | 39 +++++++- > drivers/of/property.c | 8 +- > drivers/platform/chrome/cros_ec.c | 48 ++++++++-- > drivers/platform/chrome/cros_ec_lpc.c | 40 +++++++-- > drivers/platform/chrome/cros_ec_spi.c | 15 ++-- > drivers/platform/chrome/cros_ec_uart.c | 14 ++- > include/linux/acpi.h | 25 +++--- > include/linux/fwnode.h | 8 +- > include/linux/ioport.h | 20 +++-- > include/linux/of_irq.h | 41 +++++---- > include/linux/platform_data/cros_ec_proto.h | 4 +- > include/linux/platform_device.h | 3 + > include/linux/property.h | 2 + > 36 files changed, 350 insertions(+), 172 deletions(-) >
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