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[POWERPC] UPIO_TSI cleanup

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(le32_to_cpu(x) >> 8) & 0xff is a very odd way to spell (x >> 16) & 0xff,
even if that code is hit only on ppc.  The value is host-endian - we've
got it from readl(), after all...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Al Viro 2006-09-23 01:39:45 +01:00 committed by Paul Mackerras
parent c32527a140
commit 9e84b60ed8
1 changed files with 2 additions and 2 deletions
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4
drivers/serial/8250.c
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@ -320,8 +320,8 @@ static unsigned int serial_in(struct uart_8250_port *up, int offset)
case UPIO_TSI:
if (offset == UART_IIR) {
tmp = readl((u32 *)(up->port.membase + UART_RX));
return (cpu_to_le32(tmp) >> 8) & 0xff;
tmp = readl(up->port.membase + (UART_IIR & ~3));
return (tmp >> 16) & 0xff; /* UART_IIR % 4 == 2 */
} else
return readb(up->port.membase + offset);