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[POWERPC] Remove useless volatiles in udbg_16550.c

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This removes "volatile" from the MMIO pointer udbg_comport
in udbg_16550.c driver, it's useless and makes checkpatch.pl
complain when adding things to this file.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt 2007-12-11 14:48:23 +11:00 committed by Paul Mackerras
parent 6d39635959
commit f276b5ba0d
1 changed files with 5 additions and 5 deletions
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10
arch/powerpc/kernel/udbg_16550.c
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@ -46,7 +46,7 @@ struct NS16550 {
#define LCR_DLAB 0x80 #define LCR_DLAB 0x80
static volatile struct NS16550 __iomem *udbg_comport; static struct NS16550 __iomem *udbg_comport;
static void udbg_550_putc(char c) static void udbg_550_putc(char c)
{ {
@ -117,7 +117,7 @@ unsigned int udbg_probe_uart_speed(void __iomem *comport, unsigned int clock)
{ {
unsigned int dll, dlm, divisor, prescaler, speed; unsigned int dll, dlm, divisor, prescaler, speed;
u8 old_lcr; u8 old_lcr;
volatile struct NS16550 __iomem *port = comport; struct NS16550 __iomem *port = comport;
old_lcr = in_8(&port->lcr); old_lcr = in_8(&port->lcr);
@ -162,7 +162,7 @@ void udbg_maple_real_putc(char c)
void __init udbg_init_maple_realmode(void) void __init udbg_init_maple_realmode(void)
{ {
udbg_comport = (volatile struct NS16550 __iomem *)0xf40003f8; udbg_comport = (struct NS16550 __iomem *)0xf40003f8;
udbg_putc = udbg_maple_real_putc; udbg_putc = udbg_maple_real_putc;
udbg_getc = NULL; udbg_getc = NULL;
@ -184,7 +184,7 @@ void udbg_pas_real_putc(char c)
void udbg_init_pas_realmode(void) void udbg_init_pas_realmode(void)
{ {
udbg_comport = (volatile struct NS16550 __iomem *)0xfcff03f8UL; udbg_comport = (struct NS16550 __iomem *)0xfcff03f8UL;
udbg_putc = udbg_pas_real_putc; udbg_putc = udbg_pas_real_putc;
udbg_getc = NULL; udbg_getc = NULL;
@ -219,7 +219,7 @@ static int udbg_44x_as1_getc(void)
void __init udbg_init_44x_as1(void) void __init udbg_init_44x_as1(void)
{ {
udbg_comport = udbg_comport =
(volatile struct NS16550 __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR; (struct NS16550 __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR;
udbg_putc = udbg_44x_as1_putc; udbg_putc = udbg_44x_as1_putc;
udbg_getc = udbg_44x_as1_getc; udbg_getc = udbg_44x_as1_getc;