clk: clk_stm32f: Add set_rate for LTDC clock
authorPatrice Chotard <patrice.chotard@st.com>
Thu, 8 Feb 2018 16:20:50 +0000 (17:20 +0100)
committerTom Rini <trini@konsulko.com>
Wed, 14 Mar 2018 01:45:37 +0000 (21:45 -0400)
commit5e993508cb25f422553796513f78aee78fcc96e3
treed4ff0e90c1a648ca5a87092e57aac594de3faf03
parente8fb9ed2542ab6ca1946bec34a5232bde785f141
clk: clk_stm32f: Add set_rate for LTDC clock

Implement set_rate() for LTDC clock only, set_rate for other
clocks will be added if needed. This is needed by future LTDC driver
improvements.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
drivers/clk/clk_stm32f.c