If CONFIG_PM is not set (e.g. m68k/allmodconfig): drivers/tty/serial/8250/8250_omap.c:169:13: error: ‘uart_write’ defined but not used [-Werror=unused-function] 169 | static void uart_write(struct omap8250_priv *priv, u32 reg, u32 val) | ^~~~~~~~~~ Fix tis by moving uart_write() inside the existing section protected by #ifdef CONFIG_PM. Reported-by: noreply@xxxxxxxxxxxxxx Link: http://kisskb.ellerman.id.au/kisskb/buildresult/14925095/ Fixes: 398cecc24846e867 ("serial: 8250: omap: Fix imprecise external abort for omap_8250_pm()") Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> --- drivers/tty/serial/8250/8250_omap.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 5c093dfcee1d53bb..6bd15089fa67383f 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -166,11 +166,6 @@ static u32 uart_read(struct omap8250_priv *priv, u32 reg) return readl(priv->membase + (reg << OMAP_UART_REGSHIFT)); } -static void uart_write(struct omap8250_priv *priv, u32 reg, u32 val) -{ - writel(val, priv->membase + (reg << OMAP_UART_REGSHIFT)); -} - /* * Called on runtime PM resume path from omap8250_restore_regs(), and * omap8250_set_mctrl(). @@ -1637,6 +1632,11 @@ static int omap8250_lost_context(struct uart_8250_port *up) return 0; } +static void uart_write(struct omap8250_priv *priv, u32 reg, u32 val) +{ + writel(val, priv->membase + (reg << OMAP_UART_REGSHIFT)); +} + /* TODO: in future, this should happen via API in drivers/reset/ */ static int omap8250_soft_reset(struct device *dev) { -- 2.34.1