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From: Thomas Hebb <tommyhebb@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: "Thomas Hebb" <tommyhebb@gmail.com>,
	stable@vger.kernel.org, "Bob Hepple" <bob.hepple@gmail.com>,
	"Guenter Roeck" <linux@roeck-us.net>,
	"Jean Delvare" <jdelvare@suse.com>,
	"Pali Rohár" <pali@kernel.org>,
	linux-hwmon@vger.kernel.org
Subject: [PATCH] hwmon: (dell-smm) Add XPS 15 L502X to fan control blacklist
Date: Sat, 23 Jan 2021 18:46:08 -0800	[thread overview]
Message-ID: <a09eea7616881d40d2db2fb5fa2770dc6166bdae.1611456351.git.tommyhebb@gmail.com> (raw)

It has been reported[0] that the Dell XPS 15 L502X exhibits similar
freezing behavior to the other systems[1] on this blacklist. The issue
was exposed by a prior change of mine to automatically load
dell_smm_hwmon on a wider set of XPS models. To fix the regression, add
this model to the blacklist.

[0] https://bugzilla.kernel.org/show_bug.cgi?id=211081
[1] https://bugzilla.kernel.org/show_bug.cgi?id=195751

Fixes: b8a13e5e8f37 ("hwmon: (dell-smm) Use one DMI match for all XPS models")
Cc: stable@vger.kernel.org
Reported-by: Bob Hepple <bob.hepple@gmail.com>
Tested-by: Bob Hepple <bob.hepple@gmail.com>
Signed-off-by: Thomas Hebb <tommyhebb@gmail.com>
---

 drivers/hwmon/dell-smm-hwmon.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index ec448f5f2dc3..73b9db9e3aab 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -1159,6 +1159,13 @@ static struct dmi_system_id i8k_blacklist_fan_support_dmi_table[] __initdata = {
 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "XPS13 9333"),
 		},
 	},
+	{
+		.ident = "Dell XPS 15 L502X",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Dell System XPS L502X"),
+		},
+	},
 	{ }
 };
 
-- 
2.30.0


             reply	other threads:[~2021-01-24  2:47 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-24  2:46 Thomas Hebb [this message]
2021-01-24 16:46 ` [PATCH] hwmon: (dell-smm) Add XPS 15 L502X to fan control blacklist Guenter Roeck
2021-01-25 10:05 ` Pali Rohár
2021-01-25 18:05   ` Tom Hebb
     [not found]     ` <CAHzpm2hk4+0FyFrcGYN-JJfx5Ka8yoM8mTsYZA_4WHfWYGa4yQ@mail.gmail.com>
     [not found]       ` <CAHzpm2h2X8ZKEtRxnD-mwyEv=B8J+tH_spFGD2VzfwGdRAaHMw@mail.gmail.com>
2021-01-26  8:15         ` Tom Hebb
2021-01-27  9:19           ` Pali Rohár
2021-01-27 22:40             ` Bob Hepple
2021-01-27 22:58               ` Pali Rohár
2021-01-28  0:35                 ` Tom Hebb
2021-01-25 20:19   ` Guenter Roeck
2021-01-25 20:21     ` Pali Rohár
2021-01-27 23:00       ` Pali Rohár
2021-01-28  1:46         ` Guenter Roeck
2021-01-28  5:08           ` Bob Hepple

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