linux-kernel - [PATCH 0/2] hwmon: (dell-smm) Improve ioctl handler

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Message-Id: <20211120170319.72369-1-W_Armin@gmx.de>
Date:   Sat, 20 Nov 2021 18:03:17 +0100
From:   Armin Wolf <W_Armin@....de>
To:     pali@...nel.org
Cc:     jdelvare@...e.com, linux@...ck-us.net, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] hwmon: (dell-smm) Improve ioctl handler

This patch series improves the ioctl handler in dell_smm_hwmon.
The first patch is simplifying the ioctl handler by removing
an unnecessary switch case, while the second patch is unifying
both i8k_ioctl() and i8k_ioctl_unlocked(), resulting in better
performance since i8k_mutex is only acquired when needed
(during fan status change) instead of being acquired for
every ioctl call.

Tested on a Dell Inspiron 3505.

Armin Wolf (2):
  hwmon: (dell-smm) Simplify ioctl handler
  hwmon: (dell-smm) Unify i8k_ioctl() and i8k_ioctl_unlocked()

 drivers/hwmon/dell-smm-hwmon.c | 57 +++++++++++-----------------------
 1 file changed, 18 insertions(+), 39 deletions(-)

--
2.30.2