From: Greg Ungerer <gerg@xxxxxxxxxxx>
Simplify the UART setup code so that it no longer loops for each UART
present. Just make it do all the work it needs in a single function.
This will make the code easier to share when we move to a single set
of platform data for ColdFire UARTs.
Signed-off-by: Greg Ungerer <gerg@xxxxxxxxxxx>
---
arch/m68k/platform/54xx/config.c | 33 +++++++++------------------------
1 files changed, 9 insertions(+), 24 deletions(-)
diff --git a/arch/m68k/platform/54xx/config.c b/arch/m68k/platform/54xx/config.c
index 8a63283..026bb75 100644
--- a/arch/m68k/platform/54xx/config.c
+++ b/arch/m68k/platform/54xx/config.c
@@ -59,32 +59,17 @@ static struct platform_device *m54xx_devices[] __initdata = {
/***************************************************************************/
-static void __init m54xx_uart_init_line(int line, int irq)
-{
- int rts_cts;
-
- /* enable io pins */
- switch (line) {
- case 0:
- rts_cts = 0; break;
- case 1:
- rts_cts = MCF_PAR_PSC_RTS_RTS; break;
- case 2:
- rts_cts = MCF_PAR_PSC_RTS_RTS | MCF_PAR_PSC_CTS_CTS; break;
- case 3:
- rts_cts = 0; break;
- }
- __raw_writeb(MCF_PAR_PSC_TXD | rts_cts | MCF_PAR_PSC_RXD,
- MCF_MBAR + MCF_PAR_PSC(line));
-}
-
static void __init m54xx_uarts_init(void)
{
- const int nrlines = ARRAY_SIZE(m54xx_uart_platform);
- int line;
-
- for (line = 0; (line < nrlines); line++)
- m54xx_uart_init_line(line, m54xx_uart_platform[line].irq);
+ /* enable io pins */
+ __raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD,
+ MCF_MBAR + MCF_PAR_PSC(0));
+ __raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD | MCF_PAR_PSC_RTS_RTS,
+ MCF_MBAR + MCF_PAR_PSC(1));
+ __raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD | MCF_PAR_PSC_RTS_RTS |
+ MCF_PAR_PSC_CTS_CTS, MCF_MBAR + MCF_PAR_PSC(2));
+ __raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD,
+ MCF_MBAR + MCF_PAR_PSC(3));
}
/***************************************************************************/
--
1.7.0.4
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