This is a note to let you know that I've just added the patch titled
hwmon: (dell-smm) Blacklist Dell Studio XPS 8100
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
hwmon-dell-smm-blacklist-dell-studio-xps-8100.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From a4b45b25f18d1e798965efec429ba5fc01b9f0b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali.rohar@xxxxxxxxx>
Date: Thu, 30 Jul 2015 20:41:57 +0200
Subject: hwmon: (dell-smm) Blacklist Dell Studio XPS 8100
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From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali.rohar@xxxxxxxxx>
commit a4b45b25f18d1e798965efec429ba5fc01b9f0b6 upstream.
CPU fan speed going up and down on Dell Studio XPS 8100 for
unknown reasons. Without further debugging on the affected
machine, it is not possible to find the problem.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=100121
Signed-off-by: Pali Rohár <pali.rohar@xxxxxxxxx>
Tested-by: Jan C Peters <jcpeters89@xxxxxxxxx>
[groeck: cleaned up description, comments]
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/char/i8k.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
--- a/drivers/char/i8k.c
+++ b/drivers/char/i8k.c
@@ -900,6 +900,21 @@ static struct dmi_system_id i8k_dmi_tabl
MODULE_DEVICE_TABLE(dmi, i8k_dmi_table);
+static struct dmi_system_id i8k_blacklist_dmi_table[] __initdata = {
+ {
+ /*
+ * CPU fan speed going up and down on Dell Studio XPS 8100
+ * for unknown reasons.
+ */
+ .ident = "Dell Studio XPS 8100",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Studio XPS 8100"),
+ },
+ },
+ { }
+};
+
/*
* Probe for the presence of a supported laptop.
*/
@@ -911,7 +926,8 @@ static int __init i8k_probe(void)
/*
* Get DMI information
*/
- if (!dmi_check_system(i8k_dmi_table)) {
+ if (!dmi_check_system(i8k_dmi_table) ||
+ dmi_check_system(i8k_blacklist_dmi_table)) {
if (!ignore_dmi && !force)
return -ENODEV;
Patches currently in stable-queue which might be from pali.rohar@xxxxxxxxx are
queue-4.1/hwmon-dell-smm-blacklist-dell-studio-xps-8100.patch
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