mmc: sunxi: Document host init sequence
authorChen-Yu Tsai <wens@csie.org>
Thu, 21 Jan 2016 05:26:28 +0000 (13:26 +0800)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 29 Feb 2016 10:02:50 +0000 (11:02 +0100)
commit0314cbd438d7b9c079c4daafbdf09e788df03be8
tree934d28faadbff0cf19f76f8925b9f1156b919fdf
parent9f24b0f2542f60bde7b699469a97cd852e1eed79
mmc: sunxi: Document host init sequence

sunxi_mmc_init_host() originated from Allwinner kernel sources. The
magic numbers written to various registers was never documented.

Add comments for values found in Allwinner user manuals.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/sunxi-mmc.c