From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Sat, 27 Jan 2018 14:20:44 -0500 Subject: [U-Boot] [U-Boot, v3, 03/15] env: Pass additional parameters to the env lookup function In-Reply-To: References: Message-ID: <20180127192044.GF32085@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tue, Jan 23, 2018 at 09:16:52PM +0100, Maxime Ripard wrote: > In preparation for the multiple environment support, let's introduce two > new parameters to the environment driver lookup function: the priority and > operation. > > The operation parameter is meant to identify, obviously, the operation you > might want to perform on the environment. > > The priority is a number passed to identify the environment priority you > want to retrieve. The lowest priority parameter (0) will be the primary > source. > > Combining the two parameters allow you to support multiple environments > through different priorities, and to change those priorities between read > and writes operations. > > This is especially useful to implement migration mechanisms where you want > to always use the same environment first, be it to read or write, while the > common case is more likely to use the same environment it has read from to > write it to. > > Signed-off-by: Maxime Ripard Applied to u-boot/master, thanks! -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: not available URL: