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-rw-r--r--drivers/serial/ns16550.c7
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,