diff options
| author | Marek Vasut <marek.vasut@gmail.com> | 2017-09-15 19:11:27 (GMT) |
|---|---|---|
| committer | Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | 2017-09-24 05:12:07 (GMT) |
| commit | 791c174d58f6fbea2b055b5851ab33d8f73b2c93 (patch) | |
| tree | fdaa3b7048f4d3cb24595d39b796a6101719dbd7 /drivers | |
| parent | bddb44e94a51d387ff8fc307d21a5f76bd3093e9 (diff) | |
| download | u-boot-791c174d58f6fbea2b055b5851ab33d8f73b2c93.tar.xz | |
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 <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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 087785f..d9db702 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; |