[PATCH v2 3/4] gpiolib: acpi: Add quirk to ignore EC wakeups on HP x2 10 BYT + AXP288 model

From: Hans de Goede <hdegoede@redhat.com>
To: Mika Westerberg <mika.westerberg@linux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Linus Walleij <linus.walleij@linaro.org>
Cc: Hans de Goede <hdegoede@redhat.com>,
	Marc Lehmann <schmorp@schmorp.de>,
	linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: [PATCH v2 3/4] gpiolib: acpi: Add quirk to ignore EC wakeups on HP x2 10 BYT + AXP288 model
Date: Mon,  2 Mar 2020 12:12:24 +0100	[thread overview]
Message-ID: <20200302111225.6641-3-hdegoede@redhat.com> (raw)
In-Reply-To: <20200302111225.6641-1-hdegoede@redhat.com>

Commit aa23ca3d98f7 ("gpiolib: acpi: Add honor_wakeup module-option +
quirk mechanism") was added to deal with spurious wakeups on one specific
model of the HP x2 10 series. In the mean time I have learned that there
are at least 3 different HP x2 10 models:

Bay Trail SoC + AXP288 PMIC
Cherry Trail SoC + AXP288 PMIC
Cherry Trail SoC + TI PMIC

And the original quirk is only correct for (and only matches the)
Cherry Trail SoC + TI PMIC model.

The Bay Trail SoC + AXP288 PMIC model has different DMI strings, has
the external EC interrupt on a different GPIO pin and only needs to ignore
wakeups on the EC interrupt, the INT0002 device works fine on this model.

This commit adds an extra DMI based quirk for the HP x2 10 BYT + AXP288
model, ignoring wakeups for ACPI GPIO events on the EC interrupt pin
on this model. This fixes spurious wakeups from suspend on this model.

Fixes: aa23ca3d98f7 ("gpiolib: acpi: Add honor_wakeup module-option + quirk mechanism")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
Changes in v2:
- Split out new quirk addition into its own patch
---
 drivers/gpio/gpiolib-acpi.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 87bb0d3c69da..d1ef060a5873 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -1422,6 +1422,21 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] = {
 			.ignore_wake = "INT33FF:01@0,INT0002:00@2",
 		},
 	},
+	{
+		/*
+		 * HP X2 10 models with Bay Trail SoC + AXP288 PMIC use an
+		 * external embedded-controller connected via I2C + an ACPI GPIO
+		 * event handler on INT33FC:02 pin 28, causing spurious wakeups.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"),
+			DMI_MATCH(DMI_BOARD_NAME, "815D"),
+		},
+		.driver_data = &(struct acpi_gpiolib_dmi_quirk) {
+			.ignore_wake = "INT33FC:02@28",
+		},
+	},
 	{} /* Terminating entry */
 };
 
-- 
2.25.1

