[RFC PATCH 4/6] MIPS: Use update{,_tsk}_thread_flag()

[Dave Martin]

This patch uses the new update_thread_flag() helpers to simplify a
couple of if () set; else clear; constructs.

No functional change.

Signed-off-by: Dave Martin <dave.mar...@arm.com>
Cc: Ralf Baechle <r...@linux-mips.org>
Cc: James Hogan <jho...@kernel.org>
---
 arch/mips/kernel/elf.c     | 10 ++--------
 arch/mips/kernel/process.c | 15 ++++++---------
 arch/mips/kernel/ptrace.c  |  5 +----
 arch/mips/kernel/syscall.c | 10 ++--------
 4 files changed, 11 insertions(+), 29 deletions(-)

diff --git a/arch/mips/kernel/elf.c b/arch/mips/kernel/elf.c
index 731325a..2351509 100644
--- a/arch/mips/kernel/elf.c
+++ b/arch/mips/kernel/elf.c
@@ -267,14 +267,8 @@ int arch_check_elf(void *_ehdr, bool has_interpreter, void 
*_interp_ehdr,
 
 static inline void set_thread_fp_mode(int hybrid, int regs32)
 {
-       if (hybrid)
-               set_thread_flag(TIF_HYBRID_FPREGS);
-       else
-               clear_thread_flag(TIF_HYBRID_FPREGS);
-       if (regs32)
-               set_thread_flag(TIF_32BIT_FPREGS);
-       else
-               clear_thread_flag(TIF_32BIT_FPREGS);
+       update_thread_flag(TIF_HYBRID_FPREGS, hybrid);
+       update_thread_flag(TIF_32BIT_FPREGS, regs32);
 }
 
 void mips_set_personality_fp(struct arch_elf_state *state)
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index b9e9bf6..4bdecb6 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -763,18 +763,15 @@ int mips_set_process_fp_mode(struct task_struct *task, 
unsigned int value)
         */
        for_each_thread(task, t) {
                /* Update desired FP register width */
-               if (value & PR_FP_MODE_FR) {
-                       clear_tsk_thread_flag(t, TIF_32BIT_FPREGS);
-               } else {
-                       set_tsk_thread_flag(t, TIF_32BIT_FPREGS);
+               update_tsk_thread_flag(t, TIF_32BIT_REGS,
+                                      !(value & PR_FP_MODE_FR));
+
+               if (!(value & PR_FP_MODE_FR))
                        clear_tsk_thread_flag(t, TIF_MSA_CTX_LIVE);
-               }
 
                /* Update desired FP single layout */
-               if (value & PR_FP_MODE_FRE)
-                       set_tsk_thread_flag(t, TIF_HYBRID_FPREGS);
-               else
-                       clear_tsk_thread_flag(t, TIF_HYBRID_FPREGS);
+               update_tsk_thread_flag(t, TIF_HYBRID_FPREGS,
+                                      value & PR_FP_MODE_FRE);
        }
 
        /* Allow threads to use FP again */
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 0b23b1a..b218812 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -279,10 +279,7 @@ int ptrace_set_watch_regs(struct task_struct *child,
                child->thread.watch.mips3264.watchhi[i] = ht[i];
        }
 
-       if (watch_active)
-               set_tsk_thread_flag(child, TIF_LOAD_WATCH);
-       else
-               clear_tsk_thread_flag(child, TIF_LOAD_WATCH);
+       update_tsk_thread_flag(child, TIF_LOAD_WATCH, watch_active);
 
        return 0;
 }
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 69c17b5..e9fa130 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -209,14 +209,8 @@ SYSCALL_DEFINE3(sysmips, long, cmd, long, arg1, long, arg2)
                if (arg1 & ~3)
                        return -EINVAL;
 
-               if (arg1 & 1)
-                       set_thread_flag(TIF_FIXADE);
-               else
-                       clear_thread_flag(TIF_FIXADE);
-               if (arg1 & 2)
-                       set_thread_flag(TIF_LOGADE);
-               else
-                       clear_thread_flag(TIF_LOGADE);
+               update_thread_flag(TIF_FIXADE, arg1 & 1);
+               update_thread_flag(TIF_LOGADE, arg1 & 2);
 
                return 0;
 
-- 
2.1.4