Commit graph

2 commits

Author SHA1 Message Date
Simon Glass
8729b1ae2c misc: Update read() and write() methods to return bytes xfered
At present these functions return 0 on success. For some devices we want
to know how many bytes were transferred. It seems useful to adjust the API
to be more like the POSIX read() and write() functions.

Update these two methods, a test and all users.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-11-20 19:14:22 -07:00
Liviu Dudau
a71e907c4d clk: Add support for Arm's Versatile Express OSC clock generators
The Arm Versatile Express and Juno development boards contain an
OSC clock generator that can be accessed through the Versatile
Express config bus. The generators are quite often being controlled
by some MCU and the config bus offers a uniform way of exposing them.

Signed-off-by: Liviu Dudau <liviu.dudau@foss.arm.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
2018-09-30 13:00:34 -04:00