On Thu, Mar 10, 2022 at 01:38:37PM -0500, Jérôme Carretero wrote:
> This was implemented in order to get dual-slot bootloader
> partitions on the BeagleBone Black, whose MLO boots from
> the first bootable partition: MLO chainloads u-boot in the
> same way.
>
> Signed-off-by: Jérôme Carretero <cj-ub...@zougloub.eu>
> ---
> common/spl/Kconfig | 3 ++-
> common/spl/spl_mmc.c | 33 +++++++++++++++++++++++++++++----
> 2 files changed, 31 insertions(+), 5 deletions(-)
>
> diff --git a/common/spl/Kconfig b/common/spl/Kconfig
> index 9418d37b2e..ea20d514d3 100644
> --- a/common/spl/Kconfig
> +++ b/common/spl/Kconfig
> @@ -668,7 +668,8 @@ config SYS_MMCSD_FS_BOOT_PARTITION
> default 1
> help
> Partition on the MMC to load U-Boot from when the MMC is being
> - used in fs mode
> + used in fs mode.
> + Use -1 as a special value to use the first bootable partition.
>
> config SPL_MMC_TINY
> bool "Tiny MMC framework in SPL"
> diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
> index 1c41d24ff4..3408444c2a 100644
> --- a/common/spl/spl_mmc.c
> +++ b/common/spl/spl_mmc.c
> @@ -280,16 +280,41 @@ static int spl_mmc_do_fs_boot(struct spl_image_info
> *spl_image,
> {
> int err = -ENOSYS;
>
> + __attribute__ ((unused))
> + int partition = CONFIG_SYS_MMCSD_FS_BOOT_PARTITION;We have __maybe_unused in <linux/compiler.h> that should be used instead here. -- Tom
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