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Commit 1b75d8ba authored by Al Viro's avatar Al Viro Committed by Linus Torvalds
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[PATCH] ipmi iomem annotations and fixes 



annotated, a bunch of direct dereferencing replaced with readb().

Signed-off-by: default avatarAl Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent b1ecb4c3

drivers/char/ipmi/ipmi_si_intf.c

+16 −16
Original line number Diff line number Diff line
@@ -1617,15 +1617,15 @@ typedef struct dmi_header 
	u16	handle;

} dmi_header_t;



static int decode_dmi(dmi_header_t *dm, int intf_num)

static int decode_dmi(dmi_header_t __iomem *dm, int intf_num)

{

	u8		*data = (u8 *)dm;

	u8		__iomem *data = (u8 __iomem *)dm;

	unsigned long  	base_addr;

	u8		reg_spacing;

	u8              len = dm->length;

	u8              len = readb(&dm->length);

	dmi_ipmi_data_t *ipmi_data = dmi_data+intf_num;



	ipmi_data->type = data[4];

	ipmi_data->type = readb(&data[4]);



	memcpy(&base_addr, data+8, sizeof(unsigned long));

	if (len >= 0x11) {
@@ -1640,12 +1640,12 @@ static int decode_dmi(dmi_header_t *dm, int intf_num) 
		}

		/* If bit 4 of byte 0x10 is set, then the lsb for the address

		   is odd. */

		ipmi_data->base_addr = base_addr | ((data[0x10] & 0x10) >> 4);

		ipmi_data->base_addr = base_addr | ((readb(&data[0x10]) & 0x10) >> 4);



		ipmi_data->irq = data[0x11];

		ipmi_data->irq = readb(&data[0x11]);



		/* The top two bits of byte 0x10 hold the register spacing. */

		reg_spacing = (data[0x10] & 0xC0) >> 6;

		reg_spacing = (readb(&data[0x10]) & 0xC0) >> 6;

		switch(reg_spacing){

		case 0x00: /* Byte boundaries */

		    ipmi_data->offset = 1;
@@ -1673,7 +1673,7 @@ static int decode_dmi(dmi_header_t *dm, int intf_num) 
		ipmi_data->offset = 1;

	}



	ipmi_data->slave_addr = data[6];

	ipmi_data->slave_addr = readb(&data[6]);



	if (is_new_interface(-1, ipmi_data->addr_space,ipmi_data->base_addr)) {

		dmi_data_entries++;
@@ -1687,9 +1687,9 @@ static int decode_dmi(dmi_header_t *dm, int intf_num) 


static int dmi_table(u32 base, int len, int num)

{

	u8 		  *buf;

	struct dmi_header *dm;

	u8 		  *data;

	u8 		  __iomem *buf;

	struct dmi_header __iomem *dm;

	u8 		  __iomem *data;

	int 		  i=1;

	int		  status=-1;

	int               intf_num = 0;
@@ -1702,12 +1702,12 @@ static int dmi_table(u32 base, int len, int num) 


	while(i<num && (data - buf) < len)

	{

		dm=(dmi_header_t *)data;

		dm=(dmi_header_t __iomem *)data;



		if((data-buf+dm->length) >= len)

		if((data-buf+readb(&dm->length)) >= len)

        		break;



		if (dm->type == 38) {

		if (readb(&dm->type) == 38) {

			if (decode_dmi(dm, intf_num) == 0) {

				intf_num++;

				if (intf_num >= SI_MAX_DRIVERS)
@@ -1715,8 +1715,8 @@ static int dmi_table(u32 base, int len, int num) 
			}

		}



	        data+=dm->length;

		while((data-buf) < len && (*data || data[1]))

	        data+=readb(&dm->length);

		while((data-buf) < len && (readb(data)||readb(data+1)))

			data++;

		data+=2;

		i++;

drivers/char/ipmi/ipmi_si_sm.h

+1 −1
Original line number Diff line number Diff line
@@ -51,7 +51,7 @@ struct si_sm_io 
	/* Generic info used by the actual handling routines, the

           state machine shouldn't touch these. */

	void *info;

	void *addr;

	void __iomem *addr;

	int  regspacing;

	int  regsize;

	int  regshift;