Merge branch 'stable-3.2' into pandora-3.2

[pandora-kernel.git] / arch / arm / vfp / vfpmodule.c

diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 8ea07e4..7c815b2 100644 (file)
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -453,10 +453,16 @@ static int vfp_pm_suspend(void)
 
                /* disable, just in case */
                fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN);
+       } else if (vfp_current_hw_state[ti->cpu]) {
+#ifndef CONFIG_SMP
+               fmxr(FPEXC, fpexc | FPEXC_EN);
+               vfp_save_state(vfp_current_hw_state[ti->cpu], fpexc);
+               fmxr(FPEXC, fpexc);
+#endif
        }
 
        /* clear any information we had about last context state */
-       memset(vfp_current_hw_state, 0, sizeof(vfp_current_hw_state));
+       vfp_current_hw_state[ti->cpu] = NULL;
 
        return 0;
 }
@@ -604,11 +610,14 @@ static int __init vfp_init(void)
                        elf_hwcap |= HWCAP_VFPv3;
 
                        /*
-                        * Check for VFPv3 D16. CPUs in this configuration
-                        * only have 16 x 64bit registers.
+                        * Check for VFPv3 D16 and VFPv4 D16.  CPUs in
+                        * this configuration only have 16 x 64bit
+                        * registers.
                         */
                        if (((fmrx(MVFR0) & MVFR0_A_SIMD_MASK)) == 1)
-                               elf_hwcap |= HWCAP_VFPv3D16;
+                               elf_hwcap |= HWCAP_VFPv3D16; /* also v4-D16 */
+                       else
+                               elf_hwcap |= HWCAP_VFPD32;
                }
 #endif
                /*
@@ -622,8 +631,10 @@ static int __init vfp_init(void)
                        if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100)
                                elf_hwcap |= HWCAP_NEON;
 #endif
+#ifdef CONFIG_VFPv3
                        if ((fmrx(MVFR1) & 0xf0000000) == 0x10000000)
                                elf_hwcap |= HWCAP_VFPv4;
+#endif
                }
        }
        return 0;