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Subject[PATCH linux-next] tty: serial: add dependence for CONFIG_SERIAL_FSL_LINFLEXUART
Date
When CONFIG_SERIAL_FSL_LINFLEXUART=y and CONFIG_PRINTK is not set,
one compilation error is found as below:
drivers/tty/serial/fsl_linflexuart.c: In function linflex_earlycon_putchar:
drivers/tty/serial/fsl_linflexuart.c:608:31: error: CONFIG_LOG_BUF_SHIFT undeclared
(first use in this function); did you mean CONFIG_ISA_BUS_API?
if (earlycon_buf.len >= 1 << CONFIG_LOG_BUF_SHIFT)
^~~~~~~~~~~~~~~~~~~~
CONFIG_ISA_BUS_API
This because CONFIG_LOG_BUF_SHIFT is depended on CONFIG_PRINTK, fix this
by adding dependence for CONFIG_SERIAL_FSL_LINFLEXUART.

Fixes: b953815b819b ("tty: serial: Add linflexuart driver for S32V234")
Signed-off-by: Mao Wenan <maowenan@huawei.com>
---
drivers/tty/serial/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index d9caf3242b25..4789b5d62f63 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1392,6 +1392,7 @@ config SERIAL_FSL_LPUART_CONSOLE

config SERIAL_FSL_LINFLEXUART
tristate "Freescale linflexuart serial port support"
+ depends on PRINTK
select SERIAL_CORE
help
Support for the on-chip linflexuart on some Freescale SOCs.
--
2.20.1
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