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[184.162.17.197]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-720ae045ef6sm126136056d6.31.2025.09.08.11.50.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 08 Sep 2025 11:50:51 -0700 (PDT) Date: Mon, 08 Sep 2025 14:50:50 -0400 From: =?ISO-8859-1?Q?Jean-Fran=E7ois_Lessard?= To: Geert Uytterhoeven CC: Andy Shevchenko , linux-kernel@vger.kernel.org, Andy Shevchenko Subject: =?US-ASCII?Q?Re=3A_=5BPATCH_0/5=5D_auxdisplay=3A_linedisp=3A_suppor?= =?US-ASCII?Q?t_attribute_attachment_to_auxdisplay_devices?= User-Agent: Thunderbird for Android In-Reply-To: References: <20250901020033.60196-1-jefflessard3@gmail.com> Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Geert, Le 2 septembre 2025 13 h 44 min 45 s HAE, "Jean-Fran=C3=A7ois Lessard" a =C3=A9crit=C2=A0: >Le 2 septembre 2025 07 h 00 min 35 s HAE, Andy Shevchenko a =C3=A9crit=C2=A0: >>On Sun, Aug 31, 2025 at 10:00:24PM -0400, Jean-Fran=C3=A7ois Lessard wro= te: >>> This series modernizes the auxdisplay line display (linedisp) library = to >>> enable seamless integration with auxdisplay parent devices while >>> maintaining backward compatibility=2E >>>=20 >>> The key improvement is adding attach/detach APIs that allow linedisp s= ysfs >>> attributes to be bound directly to their parent auxdisplay devices avo= iding >>> child device proliferation and enabling a uniform 7-segment userspace >>> interface across different driver architectures=2E >>>=20 >>> This series introduces attachment infrastructure for linedisp devices= =2E >>> The first consumer of this API will be the TM16XX driver series=2E >>> See the related patch series: >>> auxdisplay: Add TM16xx 7-segment LED matrix display controllers driv= er >>>=20 >>> Changes include: >>> 1=2E Encapsulate container_of() usage with to_linedisp() helper functi= on for >>> cleaner context retrieval >>> 2=2E Improve message display behavior with static padding when message= length >>> is smaller than display width >>> 3=2E Add 'num_chars' read-only attribute for userspace capability disc= overy >>> 4=2E Add attach/detach API for sysfs attributes binding to parent devi= ces >>> 5=2E Document all linedisp sysfs attributes in ABI documentation >>>=20 >>> All existing linedisp_register() users remain unaffected=2E The new AP= Is >>> enable drivers like TM16XX to integrate 7-segment functionality within >>> their LED class device hierarchy while providing a uniform 7-segment A= PI=2E >>>=20 >>> Thanks to Andy Shevchenko for early feedback and guidance=2E >> >>Overall LGTM, only one question about spin lock vs=2E mutex=2E The rest = is simple >>nit-picks=2E I'll also wait for Geert's review / Acks=2E >> > >Agreed=2E I will wait for Geert's feedback before submitting V2=2E > Do you have any feedback on this patch series? Or would you prefer to review V2 instead? Thanks in advance, Jean-Fran=C3=A7ois Lessard