From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Denk Date: Tue, 20 Oct 2020 15:19:50 +0200 Subject: [PATCH 11/11] bootm: Support string substitution in bootargs In-Reply-To: References: <20201019135602.3943835-1-sjg@chromium.org> <20201019135602.3943835-12-sjg@chromium.org> Message-ID: <312737.1603199990@gemini.denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dear Simon, In message you wrote: > > I did wonder about the empty env var thing. IMO it would be nice to > support empty variables, so we can distinguish between an empty one > and a missing one. What exactly is the use case for this that justifies the additional code needed to implement this feature? Please keep in mind that this is a boot loader, and we are not attending a contest for feature-completeness. [Non-random signature this time.] Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de Perfection is reached, not when there is no longer anything to add, but when there is no longer anything to take away. - Antoine de Saint-Exupery