tree 22aec3ce13c010b2e8148edd4d193f993af30e79
parent 54a0c7b2e7a233aa3975771592afb8e0e2f6acc0
author Kever Yang <kever.yang@rock-chips.com> 1566980627 +0800
committer Kever Yang <kever.yang@rock-chips.com> 1568189772 +0800

usb: ohci-generic: don't probe fail if there is no clk_enable() ops

Some clock driver do not have a clk_enable() call back, and we should not
treat this as fail in ehci probe like other modules, eg. clk_enabl_bulk()
do not return fail if ret value is '-ENOSYS'

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>