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[92.176.231.205]) by smtp.gmail.com with ESMTPSA id z13-20020a7bc7cd000000b0039456fb80b3sm3750711wmk.43.2022.05.21.02.06.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 21 May 2022 02:06:23 -0700 (PDT) Message-ID: <7caec251-20e7-4a8c-93ee-b28558ec580f@redhat.com> Date: Sat, 21 May 2022 11:06:21 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Subject: Re: [PATCH V11 09/22] LoongArch: Add boot and setup routines Content-Language: en-US To: Huacai Chen Cc: Ard Biesheuvel , Huacai Chen , Arnd Bergmann , Andy Lutomirski , Thomas Gleixner , Peter Zijlstra , Andrew Morton , David Airlie , Jonathan Corbet , Linus Torvalds , linux-arch , Linux Doc Mailing List , Linux Kernel Mailing List , Xuefeng Li , Yanteng Si , Guo Ren , Xuerui Wang , Jiaxun Yang , Stephen Rothwell , linux-efi References: <20220518092619.1269111-1-chenhuacai@loongson.cn> <20220518092619.1269111-10-chenhuacai@loongson.cn> <0bae0df1-48ae-d02f-bce4-d1f69acf269e@redhat.com> <256e0b82-5d0f-cf40-87c6-c2505d2a6d3b@redhat.com> <859d5489-9361-3db0-1da4-1417ed2fad6c@redhat.com> From: Javier Martinez Canillas In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Huacai, On 5/21/22 09:37, Huacai Chen wrote: [snip] >> >> A problem with moving to subsys_initcall_sync() is that this will delay >> more when a display is available in the system, and just to cope up with >> a corner case (as mentioned the common case is native drivers as module). > OK, your method seems better, but I think moving to > subsys_initcall_sync() can make the screen display as early as > possible. > But it doesn't cover all cases. For example, you will get the same error if for example your native driver is built-in and efifb built as module. So my opinion is that instead of playing with the init call levels, is just better for you to build your native driver as a module instead of making it built-in. -- Best regards, Javier Martinez Canillas Linux Engineering Red Hat