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MIPS: Alchemy: fix build with SERIAL_8250=n

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In commit 7d172bfe ("Alchemy: Add UART PM methods") I introduced
platform PM methods which call a function of the 8250 driver;
this patch works around link failures when the kernel is built
without 8250 support.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
To: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/1737/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Manuel Lauss 2010-10-25 18:44:11 +02:00 • committed by Ralf Baechle
parent a3aad4aaf8
commit cf745a39dc
1 changed files with 2 additions and 0 deletions
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2
arch/mips/alchemy/common/platform.c
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@ -27,6 +27,7 @@
static void alchemy_8250_pm(struct uart_port *port, unsigned int state, static void alchemy_8250_pm(struct uart_port *port, unsigned int state,
unsigned int old_state) unsigned int old_state)
{ {
#ifdef CONFIG_SERIAL_8250
switch (state) { switch (state) {
case 0: case 0:
if ((__raw_readl(port->membase + UART_MOD_CNTRL) & 3) != 3) { if ((__raw_readl(port->membase + UART_MOD_CNTRL) & 3) != 3) {
@ -49,6 +50,7 @@ static void alchemy_8250_pm(struct uart_port *port, unsigned int state,
serial8250_do_pm(port, state, old_state); serial8250_do_pm(port, state, old_state);
break; break;
} }
#endif
} }
#define PORT(_base, _irq) \ #define PORT(_base, _irq) \