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serial: asc: Conditionally use readl_relaxed (COMPILE_TEST) 

Commit 08177ece59 ("serial: asc: Adopt readl_/writel_relaxed()) is
regressing the m68k allmodconfig build. This is due to the unconditional
use of readl_relaxed() which, although documented, does not currently
exist for m68k.

This is trivially fixable for st-asc because we can just update the
asc_in() accessor to make this conditional.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@gmail.com>
Cc: Maxime Coquelin <maxime.coquelin@st.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Daniel Thompson 2014-09-23 08:31:30 +01:00 committed by Greg Kroah-Hartman
parent 2dea53bf57
commit daea65a7be
1 changed files with 4 additions and 0 deletions
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4
drivers/tty/serial/st-asc.c
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@ -151,7 +151,11 @@ static inline struct asc_port *to_asc_port(struct uart_port *port)
static inline u32 asc_in(struct uart_port *port, u32 offset)
{
#ifdef readl_relaxed
return readl_relaxed(port->membase + offset);
#else
return readl(port->membase + offset);
#endif
}
static inline void asc_out(struct uart_port *port, u32 offset, u32 value)