diff options
| author | Marek Vasut <[email protected]> | 2017-09-15 21:11:27 +0200 |
|---|---|---|
| committer | Nobuhiro Iwamatsu <[email protected]> | 2017-09-24 14:12:07 +0900 |
| commit | 791c174d58f6fbea2b055b5851ab33d8f73b2c93 (patch) | |
| tree | fdaa3b7048f4d3cb24595d39b796a6101719dbd7 /drivers | |
| parent | bddb44e94a51d387ff8fc307d21a5f76bd3093e9 (diff) | |
serial: sh: Enable clock if available
If the clock framework provides the driver with valid clock,
enable them, otherwise the SCIF might not work if the clock
are not enabled prior to the driver probe.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/serial_sh.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c index 087785f9a24..d9db702803c 100644 --- a/drivers/serial/serial_sh.c +++ b/drivers/serial/serial_sh.c @@ -226,11 +226,14 @@ static int sh_serial_ofdata_to_platdata(struct udevice *dev) plat->base = addr; ret = clk_get_by_name(dev, "fck", &sh_serial_clk); - if (!ret) - plat->clk = clk_get_rate(&sh_serial_clk); - else + if (!ret) { + ret = clk_enable(&sh_serial_clk); + if (!ret) + plat->clk = clk_get_rate(&sh_serial_clk); + } else { plat->clk = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev), "clock", 1); + } plat->type = dev_get_driver_data(dev); return 0; |