From: Ben Walsh <ben@jubnut.com>
To: "Benson Leung" <bleung@chromium.org>,
"Tzung-Bi Shih" <tzungbi@kernel.org>,
"Guenter Roeck" <groeck@chromium.org>,
"Dustin L. Howett" <dustin@howett.net>,
"Kieran Levin" <ktl@frame.work>,
"Thomas Weißschuh" <linux@weissschuh.net>,
"Mario Limonciello" <mario.limonciello@amd.com>,
chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org
Cc: Ben Walsh <ben@jubnut.com>
Subject: [PATCH 6/6] platform/chrome: cros_ec_lpc: Add AML mutex for Framework Laptop
Date: Wed, 15 May 2024 06:56:31 +0100 [thread overview]
Message-ID: <20240515055631.5775-7-ben@jubnut.com> (raw)
In-Reply-To: <20240515055631.5775-1-ben@jubnut.com>
For Framework Laptops with Microchip EC (MEC), use the AML mutex
"ECMT" to protect EC memory access.
Signed-off-by: Ben Walsh <ben@jubnut.com>
---
drivers/platform/chrome/cros_ec_lpc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c
index a9200f0a1a37..eebc66a39a23 100644
--- a/drivers/platform/chrome/cros_ec_lpc.c
+++ b/drivers/platform/chrome/cros_ec_lpc.c
@@ -611,6 +611,11 @@ static const struct lpc_driver_data framework_laptop_amd_lpc_driver_data __initc
.quirk_mmio_memory_base = 0xE00,
};
+static const struct lpc_driver_data framework_laptop_11_lpc_driver_data __initconst = {
+ .quirks = CROS_EC_LPC_QUIRK_AML_MUTEX,
+ .quirk_aml_mutex_name = "ECMT",
+};
+
static const struct dmi_system_id cros_ec_lpc_dmi_table[] __initconst = {
{
/*
@@ -679,6 +684,7 @@ static const struct dmi_system_id cros_ec_lpc_dmi_table[] __initconst = {
DMI_MATCH(DMI_SYS_VENDOR, "Framework"),
DMI_MATCH(DMI_PRODUCT_NAME, "Laptop"),
},
+ .driver_data = (void *)&framework_laptop_11_lpc_driver_data,
},
{ /* sentinel */ }
};
--
2.45.0
prev parent reply other threads:[~2024-05-15 5:56 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-15 5:56 [PATCH 0/6] Fix MEC concurrency problems for Framework Laptop Ben Walsh
2024-05-15 5:56 ` [PATCH 1/6] platform/chrome: cros_ec_lpc: MEC access can return error code Ben Walsh
2024-05-20 9:45 ` Tzung-Bi Shih
2024-05-15 5:56 ` [PATCH 2/6] platform/chrome: cros_ec_lpc: MEC access can use an AML mutex Ben Walsh
2024-05-20 9:46 ` Tzung-Bi Shih
2024-05-15 5:56 ` [PATCH 3/6] platform/chrome: cros_ec_lpc: Pass driver_data in static variable Ben Walsh
2024-05-20 9:46 ` Tzung-Bi Shih
2024-05-15 5:56 ` [PATCH 4/6] platform/chrome: cros_ec_lpc: Add a new quirk for AML mutex Ben Walsh
2024-05-15 5:56 ` [PATCH 5/6] platform/chrome: cros_ec_lpc: Correct ACPI name for Framework Laptop Ben Walsh
2024-05-20 9:47 ` Tzung-Bi Shih
2024-05-23 18:42 ` Ben Walsh
2024-05-24 2:26 ` Tzung-Bi Shih
2024-05-24 18:35 ` Ben Walsh
2024-05-24 18:39 ` Dustin Howett
2024-05-24 18:45 ` Ben Walsh
2024-05-26 1:26 ` Tzung-Bi Shih
2024-05-27 18:06 ` Ben Walsh
2024-05-28 3:08 ` Tzung-Bi Shih
2024-05-15 5:56 ` Ben Walsh [this message]
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