On Thu, Dec 8, 2022 at 3:16 PM Detlev Casanova <detlev.casan...@collabora.com> wrote: > > In commit d0399a46e7cda63c07e3eb8558bef84cfb068028, the device tree was > synchronized from linux and the aliases were dropped. > > They need to be kept so that the mmc cards are in the right order. > Without the aliases, u-boot reports: > MMC: FSL_SDHC: 2, FSL_SDHC: 3 > > With the aliases, u-boot reports: > MMC: FSL_SDHC: 0, FSL_SDHC: 1 > > The upstream linux device tree does not contain the same aliases than > u-boot (It keeps the devices order with /dev/mmcblk2 and /dev/mmcblk3). > Because this board has been using different aliases in u-boot > and linux, a imx6q-sabrelite-u-boot.dtsi file is added to be > automatically included in imx6q-sabrelite.dts. > > This way, linux and u-boot each keep their own aliases and there > is no breakage on current installations. > > This should never be done for new boards as we want to keep linux and > u-boot with the same aliases as much as possible. > This patch is only necessary to avoid breaking existing setups. > > Signed-off-by: Detlev Casanova <detlev.casan...@collabora.com>
Reviewed-by: Fabio Estevam <feste...@denx.de>