From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: linux-samsung-soc@vger.kernel.org,
Joonyoung Shim <jy0922.shim@samsung.com>,
Maxime Ripard <maxime.ripard@bootlin.com>,
Seung-Woo Kim <sw0312.kim@samsung.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
linux-kernel@vger.kernel.org,
Krzysztof Kozlowski <krzk@kernel.org>,
Inki Dae <inki.dae@samsung.com>, David Airlie <airlied@linux.ie>,
Kyungmin Park <kyungmin.park@samsung.com>,
Kukjin Kim <kgene@kernel.org>,
dri-devel@lists.freedesktop.org, Daniel Vetter <daniel@ffwll.ch>,
kernel@collabora.com, Sean Paul <sean@poorly.run>,
linux-arm-kernel@lists.infradead.org, m.szyprowski@samsung.com
Subject: Re: [PATCH 0/2] Associate ddc adapters with connectors
Date: Tue, 25 Jun 2019 11:03:52 +0100 [thread overview]
Message-ID: <20190625100351.52ddptvb2gizaepi@shell.armlinux.org.uk> (raw)
In-Reply-To: <cover.1561452052.git.andrzej.p@collabora.com>
On Tue, Jun 25, 2019 at 11:46:34AM +0200, Andrzej Pietrasiewicz wrote:
> It is difficult for a user to know which of the i2c adapters is for which
> drm connector. This series addresses this problem.
>
> The idea is to have a symbolic link in connector's sysfs directory, e.g.:
>
> ls -l /sys/class/drm/card0-HDMI-A-1/i2c-2
> lrwxrwxrwx 1 root root 0 Jun 24 10:42 /sys/class/drm/card0-HDMI-A-1/i2c-2 \
> -> ../../../../soc/13880000.i2c/i2c-2
Don't you want the symlink name to be "i2c" or something fixed, rather
than the name of the i2c adapter? Otherwise, you seem to be encumbering
userspace with searching the directory to try and find the symlink.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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next prev parent reply other threads:[~2019-06-25 10:04 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-25 9:46 [PATCH 0/2] Associate ddc adapters with connectors Andrzej Pietrasiewicz
2019-06-25 9:46 ` [PATCH 1/2] drm: Include ddc adapter pointer in struct drm_connector Andrzej Pietrasiewicz
2019-06-25 9:46 ` [PATCH 2/2] drm/exynos: Provide ddc symlink in connector's sysfs Andrzej Pietrasiewicz
2019-06-25 10:03 ` Russell King - ARM Linux admin [this message]
2019-06-25 10:14 ` [PATCH 0/2] Associate ddc adapters with connectors Andrzej Pietrasiewicz
2019-06-25 10:16 ` Russell King - ARM Linux admin
2019-06-25 10:24 ` [PATCH v2 " Andrzej Pietrasiewicz
2019-06-25 10:24 ` [PATCH v2 1/2] drm: Include ddc adapter pointer in struct drm_connector Andrzej Pietrasiewicz
2019-06-25 14:21 ` Daniel Vetter
2019-06-25 10:24 ` [PATCH v2 2/2] drm/exynos: Provide ddc symlink in connector's sysfs Andrzej Pietrasiewicz
2019-06-25 13:36 ` [PATCH 0/2] Associate ddc adapters with connectors Emil Velikov
2019-06-25 14:07 ` Daniel Vetter
2019-06-25 14:10 ` Russell King - ARM Linux admin
2019-06-25 14:20 ` Daniel Vetter
2019-06-26 6:50 ` Andrzej Pietrasiewicz
[not found] ` <cover.1561735433.git.andrzej.p@collabora.com>
[not found] ` <d6381c020ea1c848a7044d830bdb0ec9663d1619.1561735433.git.andrzej.p@collabora.com>
[not found] ` <9b03d145-ec50-927c-55a8-dff1cd51d655@suse.de>
[not found] ` <cf1984e4-50af-302d-ef67-9ad530118c29@collabora.com>
[not found] ` <CGME20190701144119epcas1p211ec60b63f3c6ae02392e2ae67f1a4ba@epcas1p2.samsung.com>
[not found] ` <9e65f3c0-941d-d04c-5745-6b3a2965b990@suse.de>
2019-07-05 9:44 ` [PATCH v3 01/22] drm: Include ddc adapter pointer in struct drm_connector Andrzej Hajda
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