From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peng Fan Date: Tue, 26 Jan 2016 09:42:38 +0800 Subject: [U-Boot] env_mmc: support overriding mmc dev from board code In-Reply-To: <20160125212855.GY3359@bill-the-cat> References: <1453301017-6705-1-git-send-email-clemens.gruber@pqgruber.com> <20160125212855.GY3359@bill-the-cat> Message-ID: <20160126014235.GA13773@linux-7smt.suse> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Mon, Jan 25, 2016 at 04:28:55PM -0500, Tom Rini wrote: >On Wed, Jan 20, 2016 at 03:43:37PM +0100, Clemens Gruber wrote: > >> This enables boards to choose where to/from the environment should be >> saved/loaded. They can then for example support using the same device >> (dynamically) from which the bootloader was launched to load and save >> env data and do not have to define CONFIG_SYS_MMC_ENV_DEV statically. >> >> In my use case, the environment needs to be on the same device I >> booted from. It can be the eMMC or an optional SD card. >> I therefore would override mmc_get_env_dev in the board code, read the >> CPU registers to determine where we booted from and return the >> corresponding device index. >> >> Cc: Tom Rini >> Cc: Stephen Warren >> Cc: Tim Harvey >> Cc: Simon Glass >> Cc: Hans de Goede >> >> Signed-off-by: Clemens Gruber >> Reviewed-by: Stephen Warren >> Reviewed-by: Tom Rini > >Applied to u-boot/master, thanks! Oh. I missed this patch. I have a more complete patch, still in patch work. https://patchwork.ozlabs.org/patch/558056/. Regards, Peng. > >-- >Tom >_______________________________________________ >U-Boot mailing list >U-Boot at lists.denx.de >http://lists.denx.de/mailman/listinfo/u-boot