Pull misc into release branch

[mv-sheeva.git] / arch / arm / vfp / vfpmodule.c

diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index f1e5951dc72188ce86c9ae880ccbef79621ae327..eea3f50743d58b3076592969f5e0cf98b0ecedef 100644 (file)
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -26,8 +26,9 @@
  */
 void vfp_testing_entry(void);
 void vfp_support_entry(void);
+void vfp_null_entry(void);
 
-void (*vfp_vector)(void) = vfp_testing_entry;
+void (*vfp_vector)(void) = vfp_null_entry;
 union vfp_state *last_VFP_context[NR_CPUS];
 
 /*
@@ -52,7 +53,7 @@ static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
                 * case the thread migrates to a different CPU. The
                 * restoring is done lazily.
                 */
-               if ((fpexc & FPEXC_ENABLE) && last_VFP_context[cpu]) {
+               if ((fpexc & FPEXC_EN) && last_VFP_context[cpu]) {
                        vfp_save_state(last_VFP_context[cpu], fpexc);
                        last_VFP_context[cpu]->hard.cpu = cpu;
                }
@@ -69,7 +70,7 @@ static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
                 * Always disable VFP so we can lazily save/restore the
                 * old state.
                 */
-               fmxr(FPEXC, fpexc & ~FPEXC_ENABLE);
+               fmxr(FPEXC, fpexc & ~FPEXC_EN);
                return NOTIFY_DONE;
        }
 
@@ -80,13 +81,13 @@ static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
                 */
                memset(vfp, 0, sizeof(union vfp_state));
 
-               vfp->hard.fpexc = FPEXC_ENABLE;
+               vfp->hard.fpexc = FPEXC_EN;
                vfp->hard.fpscr = FPSCR_ROUND_NEAREST;
 
                /*
                 * Disable VFP to ensure we initialise it first.
                 */
-               fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_ENABLE);
+               fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN);
        }
 
        /* flush and release case: Per-thread VFP cleanup. */
@@ -228,7 +229,7 @@ void VFP9_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
        /*
         * Enable access to the VFP so we can handle the bounce.
         */
-       fmxr(FPEXC, fpexc & ~(FPEXC_EXCEPTION|FPEXC_INV|FPEXC_UFC|FPEXC_IOC));
+       fmxr(FPEXC, fpexc & ~(FPEXC_EX|FPEXC_INV|FPEXC_UFC|FPEXC_IOC));
 
        orig_fpscr = fpscr = fmrx(FPSCR);
 
@@ -247,7 +248,7 @@ void VFP9_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
        /*
         * Modify fpscr to indicate the number of iterations remaining
         */
-       if (fpexc & FPEXC_EXCEPTION) {
+       if (fpexc & FPEXC_EX) {
                u32 len;
 
                len = fpexc + (1 << FPEXC_LENGTH_BIT);
@@ -321,8 +322,11 @@ static int __init vfp_init(void)
         * The handler is already setup to just log calls, so
         * we just need to read the VFPSID register.
         */
+       vfp_vector = vfp_testing_entry;
+       barrier();
        vfpsid = fmrx(FPSID);
        barrier();
+       vfp_vector = vfp_null_entry;
 
        printk(KERN_INFO "VFP support v0.3: ");
        if (VFP_arch) {