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Commit f276b5ba authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt Committed by Paul Mackerras
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[POWERPC] Remove useless volatiles in udbg_16550.c 



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: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 6d396359

arch/powerpc/kernel/udbg_16550.c

+5 −5
Original line number Diff line number Diff line
@@ -46,7 +46,7 @@ struct NS16550 { 


#define LCR_DLAB 0x80



static volatile struct NS16550 __iomem *udbg_comport;

static struct NS16550 __iomem *udbg_comport;



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;

	u8 old_lcr;

	volatile struct NS16550 __iomem *port = comport;

	struct NS16550 __iomem *port = comport;



	old_lcr = in_8(&port->lcr);
@@ -162,7 +162,7 @@ void udbg_maple_real_putc(char c) 


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_getc = NULL;
@@ -184,7 +184,7 @@ void udbg_pas_real_putc(char c) 


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_getc = NULL;
@@ -219,7 +219,7 @@ static int udbg_44x_as1_getc(void) 
void __init udbg_init_44x_as1(void)

{

	udbg_comport =

		(volatile struct NS16550 __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR;

		(struct NS16550 __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR;



	udbg_putc = udbg_44x_as1_putc;

	udbg_getc = udbg_44x_as1_getc;