From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 25 Nov 2009 03:07:31 +0000 (+0900)
Subject: sh: Fix up the FPU emulation build.
X-Git-Tag: firefly_0821_release~9833^2~3643^2~56
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6ba653830c85a37d0a054f1e43d9b51e59d1150b;p=firefly-linux-kernel-4.4.55.git

sh: Fix up the FPU emulation build.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/arch/sh/include/asm/fpu.h b/arch/sh/include/asm/fpu.h
index d7709c06fac4..fb6bbb9b1cc8 100644
--- a/arch/sh/include/asm/fpu.h
+++ b/arch/sh/include/asm/fpu.h
@@ -25,6 +25,7 @@ void fpu_state_restore(struct pt_regs *regs);
 #define save_fpu(tsk)		do { } while (0)
 #define release_fpu(regs)	do { } while (0)
 #define grab_fpu(regs)		do { } while (0)
+#define fpu_state_restore(regs)	do { } while (0)
 
 #endif
 
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index d721f9297c09..d8af889366a4 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -300,13 +300,11 @@ __switch_to(struct task_struct *prev, struct task_struct *next)
 {
 	struct thread_struct *next_t = &next->thread;
 
-#if defined(CONFIG_SH_FPU)
 	unlazy_fpu(prev, task_pt_regs(prev));
 
 	/* we're going to use this soon, after a few expensive things */
 	if (next->fpu_counter > 5)
 		prefetch(&next_t->fpu.hard);
-#endif
 
 #ifdef CONFIG_MMU
 	/*
@@ -337,15 +335,13 @@ __switch_to(struct task_struct *prev, struct task_struct *next)
 #endif
 	}
 
-#if defined(CONFIG_SH_FPU)
-	/* If the task has used fpu the last 5 timeslices, just do a full
+	/*
+	 * If the task has used fpu the last 5 timeslices, just do a full
 	 * restore of the math state immediately to avoid the trap; the
 	 * chances of needing FPU soon are obviously high now
 	 */
-	if (next->fpu_counter > 5) {
+	if (next->fpu_counter > 5)
 		fpu_state_restore(task_pt_regs(next));
-	}
-#endif
 
 	return prev;
 }