linux-kernel - [PATCH] drm: bridge: DRM_SIL_SII8620 should depend on, not select INPUT

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Date:   Sun, 30 Jun 2019 20:39:21 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     dri-devel <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     Inki Dae <inki.dae@...sung.com>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>
Subject: [PATCH] drm: bridge: DRM_SIL_SII8620 should depend on, not select
 INPUT

From: Randy Dunlap <rdunlap@...radead.org>

A single driver should not enable (select) an entire subsystem,
such as INPUT, so change the 'select' to "depends on".

Fixes: d6abe6df706c ("drm/bridge: sil_sii8620: do not have a dependency of RC_CORE")

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Inki Dae <inki.dae@...sung.com>
Cc: Andrzej Hajda <a.hajda@...sung.com>
Cc: Laurent Pinchart <Laurent.pinchart@...asonboard.com>
Cc: dri-devel@...ts.freedesktop.org
---
Linus has written this a couple of times in the last 15 years or so,
but my search fu cannot find it.  And there are a few drivers in the
kernel tree that do this, but we shouldn't be adding more that do so.

 drivers/gpu/drm/bridge/Kconfig |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- lnx-52-rc7.orig/drivers/gpu/drm/bridge/Kconfig
+++ lnx-52-rc7/drivers/gpu/drm/bridge/Kconfig
@@ -83,10 +83,9 @@ config DRM_PARADE_PS8622
 
 config DRM_SIL_SII8620
 	tristate "Silicon Image SII8620 HDMI/MHL bridge"
-	depends on OF
+	depends on OF && INPUT
 	select DRM_KMS_HELPER
 	imply EXTCON
-	select INPUT
 	select RC_CORE
 	help
 	  Silicon Image SII8620 HDMI/MHL bridge chip driver.