diff options
Diffstat (limited to 'drivers/serial/ns16550.c')
| -rw-r--r-- | drivers/serial/ns16550.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index 3f6ea4d..765499d 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -13,6 +13,7 @@ #include <serial.h> #include <watchdog.h> #include <linux/types.h> +#include <linux/compiler.h> #include <asm/io.h> DECLARE_GLOBAL_DATA_PTR; @@ -353,8 +354,8 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev) { struct ns16550_platdata *plat = dev->platdata; fdt_addr_t addr; - struct clk clk; - int err; + __maybe_unused struct clk clk; + __maybe_unused int err; /* try Processor Local Bus device first */ addr = dev_get_addr(dev); @@ -401,6 +402,7 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev) plat->reg_shift = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "reg-shift", 0); +#ifdef CONFIG_CLK err = clk_get_by_index(dev, 0, &clk); if (!err) { err = clk_get_rate(&clk); @@ -410,6 +412,7 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev) debug("ns16550 failed to get clock\n"); return err; } +#endif if (!plat->clock) plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset, |