ARM: vfp: rename last_VFP_context to vfp_current_hw_state

Rename the slightly confusing 'last_VFP_context' variable to be more
descriptive of what it actually is.  This variable stores a pointer
to the current owner's vfpstate structure for the context held in the
VFP hardware.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/vfp/vfphw.S

@@ -77,9 +77,9 @@ ENTRY(vfp_support_entry)
 	bne	look_for_VFP_exceptions	@ VFP is already enabled
 
 	DBGSTR1 "enable %x", r10
-	ldr	r3, last_VFP_context_address
+	ldr	r3, vfp_current_hw_state_address
 	orr	r1, r1, #FPEXC_EN	@ user FPEXC has the enable bit set
-	ldr	r4, [r3, r11, lsl #2]	@ last_VFP_context pointer
+	ldr	r4, [r3, r11, lsl #2]	@ vfp_current_hw_state pointer
 	bic	r5, r1, #FPEXC_EX	@ make sure exceptions are disabled
 	cmp	r4, r10
 	beq	check_for_exception	@ we are returning to the same
@@ -116,7 +116,7 @@ ENTRY(vfp_support_entry)
 
 no_old_VFP_process:
 	DBGSTR1	"load state %p", r10
-	str	r10, [r3, r11, lsl #2]	@ update the last_VFP_context pointer
+	str	r10, [r3, r11, lsl #2]	@ update the vfp_current_hw_state pointer
 					@ Load the saved state back into the VFP
 	VFPFLDMIA r10, r5		@ reload the working registers while
 					@ FPEXC is in a safe state
@@ -207,8 +207,8 @@ ENTRY(vfp_save_state)
 ENDPROC(vfp_save_state)
 
 	.align
-last_VFP_context_address:
-	.word	last_VFP_context
+vfp_current_hw_state_address:
+	.word	vfp_current_hw_state
 
 	.macro	tbl_branch, base, tmp, shift
 #ifdef CONFIG_THUMB2_KERNEL