diff options
| author |   Al Viro <viro@ftp.linux.org.uk> | 2006-09-23 01:39:45 +0100 |
|---|---|---|
| committer |   Paul Mackerras <paulus@samba.org> | 2006-09-26 15:41:02 +1000 |
| commit | 9e84b60ed87f5fe2dce10be2db1bfbb926a49e66 (patch) | |
| tree | 1b22fef0ec6cf172a4e6d2962700679ba99c5a85 /drivers/serial/8250.c | |
| parent | [POWERPC] rewrite mkprep and mkbugboot in sane C (diff) | |
| download | linux-dev-9e84b60ed87f5fe2dce10be2db1bfbb926a49e66.tar.xz linux-dev-9e84b60ed87f5fe2dce10be2db1bfbb926a49e66.zip | |
[POWERPC] UPIO_TSI cleanup
(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>
Diffstat (limited to 'drivers/serial/8250.c')
| -rw-r--r-- | drivers/serial/8250.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 0ae9ced00ed4..10c2daab99ac 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -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); |