aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/i386/kernel/head.S12
-rw-r--r--drivers/pnp/pnpbios/bioscalls.c5
-rw-r--r--include/asm-i386/system.h2
3 files changed, 11 insertions, 8 deletions
diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S
index 37b599fa4d1..58d2746670b 100644
--- a/arch/i386/kernel/head.S
+++ b/arch/i386/kernel/head.S
@@ -504,12 +504,12 @@ ENTRY(cpu_gdt_table)
.quad 0x0000000000000000 /* 0x80 TSS descriptor */
.quad 0x0000000000000000 /* 0x88 LDT descriptor */
- /* Segments used for calling PnP BIOS */
- .quad 0x00c09a0000000000 /* 0x90 32-bit code */
- .quad 0x00809a0000000000 /* 0x98 16-bit code */
- .quad 0x0080920000000000 /* 0xa0 16-bit data */
- .quad 0x0080920000000000 /* 0xa8 16-bit data */
- .quad 0x0080920000000000 /* 0xb0 16-bit data */
+ /* Segments used for calling PnP BIOS have byte granularity */
+ .quad 0x00409a0000000000 /* 0x90 32-bit code */
+ .quad 0x00009a0000000000 /* 0x98 16-bit code */
+ .quad 0x0000920000000000 /* 0xa0 16-bit data */
+ .quad 0x0000920000000000 /* 0xa8 16-bit data */
+ .quad 0x0000920000000000 /* 0xb0 16-bit data */
/*
* The APM segments have byte granularity and their bases
diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c
index 37bacfcdbc5..a72126180e9 100644
--- a/drivers/pnp/pnpbios/bioscalls.c
+++ b/drivers/pnp/pnpbios/bioscalls.c
@@ -283,12 +283,15 @@ int pnp_bios_dev_node_info(struct pnp_dev_node_info *data)
static int __pnp_bios_get_dev_node(u8 *nodenum, char boot, struct pnp_bios_node *data)
{
u16 status;
+ u16 tmp_nodenum;
if (!pnp_bios_present())
return PNP_FUNCTION_NOT_SUPPORTED;
if ( !boot && pnpbios_dont_use_current_config )
return PNP_FUNCTION_NOT_SUPPORTED;
+ tmp_nodenum = *nodenum;
status = call_pnp_bios(PNP_GET_SYS_DEV_NODE, 0, PNP_TS1, 0, PNP_TS2, boot ? 2 : 1, PNP_DS, 0,
- nodenum, sizeof(char), data, 65536);
+ &tmp_nodenum, sizeof(tmp_nodenum), data, 65536);
+ *nodenum = tmp_nodenum;
return status;
}
diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h
index 24cc0c8fe34..9c0593b7a94 100644
--- a/include/asm-i386/system.h
+++ b/include/asm-i386/system.h
@@ -54,7 +54,7 @@ __asm__ __volatile__ ("movw %%dx,%1\n\t" \
); } while(0)
#define set_base(ldt,base) _set_base( ((char *)&(ldt)) , (base) )
-#define set_limit(ldt,limit) _set_limit( ((char *)&(ldt)) , ((limit)-1)>>12 )
+#define set_limit(ldt,limit) _set_limit( ((char *)&(ldt)) , ((limit)-1) )
/*
* Load a segment. Fall back on loading the zero