From dfdabd3856547c3bed996134e84b9452fb19e695 Mon Sep 17 00:00:00 2001 From: Ren Zhijie Date: Mon, 26 Sep 2022 02:58:26 +0000 Subject: serial: stm32: Fix unused-variable warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If CONFIG_SERIAL_EARLYCON and CONFIG_OF are both not set, gcc warns about unused variable: drivers/tty/serial/stm32-usart.c:83:32: error: ‘stm32h7_info’ defined but not used [-Werror=unused-variable] static struct stm32_usart_info stm32h7_info = { ^~~~~~~~~~~~ drivers/tty/serial/stm32-usart.c:61:32: error: ‘stm32f7_info’ defined but not used [-Werror=unused-variable] static struct stm32_usart_info stm32f7_info = { ^~~~~~~~~~~~ drivers/tty/serial/stm32-usart.c:40:32: error: ‘stm32f4_info’ defined but not used [-Werror=unused-variable] static struct stm32_usart_info stm32f4_info = { ^~~~~~~~~~~~ cc1: all warnings being treated as errors Mark these variables as __maybe_unused to fix this. Fixes: c7039ce904c0 ("serial: stm32: make info structs static to avoid sparse warnings") Signed-off-by: Ren Zhijie Link: https://lore.kernel.org/r/20220926025826.44145-1-renzhijie2@huawei.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/stm32-usart.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/tty') diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index c48f225eba86..dfdbcf092fac 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -37,7 +37,7 @@ /* Register offsets */ -static struct stm32_usart_info stm32f4_info = { +static struct stm32_usart_info __maybe_unused stm32f4_info = { .ofs = { .isr = 0x00, .rdr = 0x04, @@ -58,7 +58,7 @@ static struct stm32_usart_info stm32f4_info = { } }; -static struct stm32_usart_info stm32f7_info = { +static struct stm32_usart_info __maybe_unused stm32f7_info = { .ofs = { .cr1 = 0x00, .cr2 = 0x04, @@ -80,7 +80,7 @@ static struct stm32_usart_info stm32f7_info = { } }; -static struct stm32_usart_info stm32h7_info = { +static struct stm32_usart_info __maybe_unused stm32h7_info = { .ofs = { .cr1 = 0x00, .cr2 = 0x04, -- cgit v1.2.3