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authorStephen Warren <swarren@nvidia.com>2014-05-23 12:48:10 -0600
committerPantelis Antoniou <panto@antoniou-consulting.com>2014-06-12 15:21:12 +0300
commit60dc58f735f173458ebed217cc7fe0c24816f383 (patch)
tree2f9e47160c7231c43fad8f3b1b89065fc7ec635d /disk/part.c
parentd4622df34280830cfe0678f098d3d9f62e6b5d94 (diff)
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cmd_mmc: default to HW partition 0 if not specified
Currently, "mmc dev 0" does not change the selected HW partition. I think it makes more sense if "mmc dev 0" is an alias for "mmc dev 0 0", i.e. that HW partition 0 (main data area) is always selected by default if the user didn't request a specific partition. Otherwise, the following happens, which feels wrong: Select HW partition 1 (boot0): mmc dev 0 1 Doesn't change the HW partition, so it's still 1 (boot0): mmc dev 0 With this patch, the second command above re-selects the main data area. Note that some MMC devices (i.e. SD cards) don't support HW partitions. However, this patch still works, since mmc_start_init() sets the current partition number to 0, and mmc_select_hwpart() succeeds if the requested partition is already selected. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
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