On 06/12/2014 03:46 AM, Przemyslaw Marczak wrote: > This patch introduces new feature: initialization of the dfu > bootloader entity from a separate environmental variable which > can be set on a boot time. > > By default, DFU always check environmental variable: $dfu_alt_info. > > Changes: > - DFU will also look for environmental variable: $dfu_alt_bootloader > - if any of dfu_alt_* variable is properly defined, then function > dfu_init_env_entities() will return success. > > Use case: > Some devices can boot from various media type (SD, eMMC, NAND, etc.) > or some board configs are common for more than one board type. > In a such case, bootloader is probably placed on a different > devices or even offsets. So such DFU feature is welcome.
Why should the "dfu" command look at different environment variables? Whatever code dynamically sets the value of $dfu_alt_bootloader should simply set $dfu_alt_info instead. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
