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| author | Joe Burmeister | 2019-05-13 12:23:57 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2019-05-21 12:18:17 +0200 |
| commit | 5d24f455c182d5116dd5db8e1dc501115ecc9c2c (patch) | |
| tree | 235bd3de85e84aeb5f51ee6a698f5ef374504857 /drivers/gpu/drm/udl/Makefile | |
| parent | serial: sh-sci: disable DMA for uart_console (diff) | |
| download | kernel-qcow2-linux-5d24f455c182d5116dd5db8e1dc501115ecc9c2c.tar.gz kernel-qcow2-linux-5d24f455c182d5116dd5db8e1dc501115ecc9c2c.tar.xz kernel-qcow2-linux-5d24f455c182d5116dd5db8e1dc501115ecc9c2c.zip | |
tty: max310x: Fix external crystal register setup
The datasheet states:
Bit 4: ClockEnSet the ClockEn bit high to enable an external clocking
(crystal or clock generator at XIN). Set the ClockEn bit to 0 to disable
clocking
Bit 1: CrystalEnSet the CrystalEn bit high to enable the crystal
oscillator. When using an external clock source at XIN, CrystalEn must
be set low.
The bit 4, MAX310X_CLKSRC_EXTCLK_BIT, should be set and was not.
This was required to make the MAX3107 with an external crystal on our
board able to send or receive data.
Signed-off-by: Joe Burmeister <joe.burmeister@devtank.co.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/udl/Makefile')
0 files changed, 0 insertions, 0 deletions