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authorGeert Uytterhoeven <geert@linux-m68k.org>2021-10-27 09:53:26 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-11-17 11:04:31 +0100
commit8a1bf46732bfe8054e34cf6e885e96cbb3c33e0a (patch)
treeacde0ca029d48065543405d19648eff79ae3dcbc /drivers/tty
parentcceb856eb7f31686164448922c0bb68a23229c4a (diff)
serial: cpm_uart: Protect udbg definitions by CONFIG_SERIAL_CPM_CONSOLE
[ Upstream commit d142585bceb3218ad432ed0fcd5be9d6e3cd9052 ] If CONFIG_CONSOLE_POLL=y, and CONFIG_SERIAL_CPM=m (hence CONFIG_SERIAL_CPM_CONSOLE=n): drivers/tty/serial/cpm_uart/cpm_uart_core.c:1109:12: warning: ‘udbg_cpm_getc’ defined but not used [-Wunused-function] 1109 | static int udbg_cpm_getc(void) | ^~~~~~~~~~~~~ drivers/tty/serial/cpm_uart/cpm_uart_core.c:1095:13: warning: ‘udbg_cpm_putc’ defined but not used [-Wunused-function] 1095 | static void udbg_cpm_putc(char c) | ^~~~~~~~~~~~~ Fix this by making the udbg definitions depend on CONFIG_SERIAL_CPM_CONSOLE, in addition to CONFIG_CONSOLE_POLL. Fixes: a60526097f42eb98 ("tty: serial: cpm_uart: Add udbg support for enabling xmon") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Link: https://lore.kernel.org/r/20211027075326.3270785-1-geert@linux-m68k.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/cpm_uart/cpm_uart_core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
index c719aa2b1832..d6d3db9c3b1f 100644
--- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
@@ -1090,6 +1090,7 @@ static void cpm_put_poll_char(struct uart_port *port,
cpm_uart_early_write(pinfo, ch, 1, false);
}
+#ifdef CONFIG_SERIAL_CPM_CONSOLE
static struct uart_port *udbg_port;
static void udbg_cpm_putc(char c)
@@ -1114,6 +1115,7 @@ static int udbg_cpm_getc(void)
cpu_relax();
return c;
}
+#endif /* CONFIG_SERIAL_CPM_CONSOLE */
#endif /* CONFIG_CONSOLE_POLL */