Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 63f716b9 authored by Al Viro's avatar Al Viro
Browse files

[PATCH] sh: lvalues abuse in arch/sh/boards/renesas/rts7751r2d/io.c 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 6881761e

arch/sh/boards/renesas/rts7751r2d/io.c

+18 −12
Original line number Diff line number Diff line
@@ -216,24 +216,26 @@ void rts7751r2d_insb(unsigned long port, void *addr, unsigned long count) 
{

	volatile __u8 *bp;

	volatile __u16 *p;

	unsigned char *s = addr;



	if (CHECK_AX88796L_PORT(port)) {

		p = (volatile unsigned short *)port88796l(port, 0);

		while (count--) *((unsigned char *) addr)++ = *p & 0xff;

		while (count--) *s++ = *p & 0xff;

	} else if (PXSEG(port))

		while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)port;

		while (count--) *s++ = *(volatile unsigned char *)port;

	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {

		bp = (__u8 *)PCI_IOMAP(port);

		while (count--) *((volatile unsigned char *) addr)++ = *bp;

		while (count--) *s++ = *bp;

	} else {

		p = (volatile unsigned short *)port2adr(port);

		while (count--) *((unsigned char *) addr)++ = *p & 0xff;

		while (count--) *s++ = *p & 0xff;

	}

}



void rts7751r2d_insw(unsigned long port, void *addr, unsigned long count)

{

	volatile __u16 *p;

	__u16 *s = addr;



	if (CHECK_AX88796L_PORT(port))

		p = (volatile unsigned short *)port88796l(port, 1);
@@ -243,7 +245,7 @@ void rts7751r2d_insw(unsigned long port, void *addr, unsigned long count) 
		p = (volatile unsigned short *)PCI_IOMAP(port);

	else

		p = (volatile unsigned short *)port2adr(port);

	while (count--) *((__u16 *) addr)++ = *p;

	while (count--) *s++ = *p;

}



void rts7751r2d_insl(unsigned long port, void *addr, unsigned long count)
@@ -252,8 +254,9 @@ void rts7751r2d_insl(unsigned long port, void *addr, unsigned long count) 
		maybebadio(insl, port);

	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {

		volatile __u32 *p = (__u32 *)PCI_IOMAP(port);

		__u32 *s = addr;



		while (count--) *((__u32 *) addr)++ = *p;

		while (count--) *s++ = *p;

	} else

		maybebadio(insl, port);

}
@@ -262,24 +265,26 @@ void rts7751r2d_outsb(unsigned long port, const void *addr, unsigned long count) 
{

	volatile __u8 *bp;

	volatile __u16 *p;

	const __u8 *s = addr;



	if (CHECK_AX88796L_PORT(port)) {

		p = (volatile unsigned short *)port88796l(port, 0);

		while (count--) *p = *((unsigned char *) addr)++;

		while (count--) *p = *s++;

	} else if (PXSEG(port))

		while (count--) *(volatile unsigned char *)port = *((unsigned char *) addr)++;

		while (count--) *(volatile unsigned char *)port = *s++;

	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {

		bp = (__u8 *)PCI_IOMAP(port);

		while (count--) *bp = *((volatile unsigned char *) addr)++;

		while (count--) *bp = *s++;

	} else {

		p = (volatile unsigned short *)port2adr(port);

		while (count--) *p = *((unsigned char *) addr)++;

		while (count--) *p = *s++;

	}

}



void rts7751r2d_outsw(unsigned long port, const void *addr, unsigned long count)

{

	volatile __u16 *p;

	const __u16 *s = addr;



	if (CHECK_AX88796L_PORT(port))

		p = (volatile unsigned short *)port88796l(port, 1);
@@ -289,7 +294,7 @@ void rts7751r2d_outsw(unsigned long port, const void *addr, unsigned long count) 
		p = (volatile unsigned short *)PCI_IOMAP(port);

	else

		p = (volatile unsigned short *)port2adr(port);

	while (count--) *p = *((__u16 *) addr)++;

	while (count--) *p = *s++;

}



void rts7751r2d_outsl(unsigned long port, const void *addr, unsigned long count)
@@ -298,8 +303,9 @@ void rts7751r2d_outsl(unsigned long port, const void *addr, unsigned long count) 
		maybebadio(outsl, port);

	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {

		volatile __u32 *p = (__u32 *)PCI_IOMAP(port);

		const __u32 *s = addr;



		while (count--) *p = *((__u32 *) addr)++;

		while (count--) *p = *s++;

	} else

		maybebadio(outsl, port);

}