From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrzej Hajda Subject: Re: [PATCH v2] drm/bridge: sil_sii8620: make remote control optional. Date: Mon, 4 Mar 2019 08:13:29 +0100 Message-ID: <74a6da1b-e35a-f90a-ff02-e39bbf5e3d77@samsung.com> References: <20190124072125.GA28127@innovation.ch> <20190125013355.GA6722@innovation.ch> <20190304021325.GA30785@innovation.ch> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190304021325.GA30785@innovation.ch> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Inki Dae , Laurent Pinchart , Dmitry Torokhov , Lukas Wunner , dri-devel@lists.freedesktop.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org On 04.03.2019 03:13, Life is hard, and then you die wrote: > On Thu, Jan 24, 2019 at 05:33:55PM -0800, Ronald Tschalär wrote: >> commit d6abe6df706c (drm/bridge: sil_sii8620: do not have a dependency >> of RC_CORE) changed the driver to select both RC_CORE and INPUT. >> However, this causes problems with other drivers, in particular an input >> driver that depends on MFD_INTEL_LPSS_PCI (to be added in a separate >> commit): >> >> drivers/clk/Kconfig:9:error: recursive dependency detected! >> drivers/clk/Kconfig:9: symbol COMMON_CLK is selected by MFD_INTEL_LPSS >> drivers/mfd/Kconfig:566: symbol MFD_INTEL_LPSS is selected by MFD_INTEL_LPSS_PCI >> drivers/mfd/Kconfig:580: symbol MFD_INTEL_LPSS_PCI is implied by KEYBOARD_APPLESPI >> drivers/input/keyboard/Kconfig:73: symbol KEYBOARD_APPLESPI depends on INPUT >> drivers/input/Kconfig:8: symbol INPUT is selected by DRM_SIL_SII8620 >> drivers/gpu/drm/bridge/Kconfig:83: symbol DRM_SIL_SII8620 depends on DRM_BRIDGE >> drivers/gpu/drm/bridge/Kconfig:1: symbol DRM_BRIDGE is selected by DRM_PL111 >> drivers/gpu/drm/pl111/Kconfig:1: symbol DRM_PL111 depends on COMMON_CLK >> >> According to the docs and general consensus, select should only be used >> for non user-visible symbols, but both RC_CORE and INPUT are >> user-visible. Furthermore almost all other references to INPUT >> throughout the kernel config are depends, not selects. For this reason >> the first part of this change reverts commit d6abe6df706c. >> >> In order to address the original reason for commit d6abe6df706c, namely >> that not all boards use the remote controller functionality and hence >> should not need have to deal with RC_CORE, the second part of this >> change now makes the remote control support in the driver optional and >> contingent on RC_CORE being defined. And with this the hard dependency >> on INPUT also goes away as that is only needed if RC_CORE is defined >> (which in turn already depends on INPUT). >> >> CC: Inki Dae >> CC: Andrzej Hajda >> CC: Laurent Pinchart >> CC: Dmitry Torokhov >> Signed-off-by: Ronald Tschalär >> --- >> Resending this, as I somehow managed to forget to cc dri-devel. >> Apologies for the duplication. >> >> Changes in v2: >> - completely remove dependencies on both RC_CORE and INPUT in Kconfig, >> - make remote control functionality in driver contingent on RC_CORE >> being defined >> >> drivers/gpu/drm/bridge/Kconfig | 2 -- >> drivers/gpu/drm/bridge/sil-sii8620.c | 17 +++++++++++++++++ >> 2 files changed, 17 insertions(+), 2 deletions(-) > [snip] > > Is there anything I can do to help get this reviewed and moved forward? Addressing my comments [1] ? :) Ah I see, for some reasons (my mistake apparently) my response was not sent to you, sorry. [1]: https://lkml.org/lkml/2019/1/28/258 Regards Andrzej > > > Cheers, > > Ronald > > >