Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
authorLinus Torvalds <torvalds@linux-foundation.org>
Fri, 18 Nov 2011 09:16:10 +0000 (07:16 -0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 18 Nov 2011 09:16:10 +0000 (07:16 -0200)
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/signal32: Fix sigset_t conversion when copying to user
  powerpc: Fix atomic_xxx_return barrier semantics
  powerpc: Remove buggy 9-year-old test for binutils < 2.12.1
  powerpc/book3e-64: Fix debug support for userspace
  powerpc: Remove extraneous CONFIG_PPC_ADV_DEBUG_REGS define
  powerpc: Revert show_regs() define for readability
  powerpc/ps3: Fix SMP lockdep boot warning
  powerpc/ps3: Fix lost SMP IPIs
  powerpc: Add hvcall.h include to book3s_hv.c
  powerpc/trace: Add a dummy stack frame for trace_hardirqs_off
  powerpc: Copy down exception vectors after feature fixups
  powerpc: panic if we can't instantiate RTAS
  powerpc/4xx: Fix typos in kexec config dependencies
  powerpc/fsl: MCU_MPC8349EMITX wants I2C built-in, modular won't do...
  powerpc/fsl_udc_core: Fix dumb typo
  carma-fpga: Missed switch from of_register_platform_driver()
  powerpc: Fix build breakage in jump_label.c

27 files changed:
arch/powerpc/Kconfig
arch/powerpc/Makefile
arch/powerpc/include/asm/atomic.h
arch/powerpc/include/asm/bitops.h
arch/powerpc/include/asm/futex.h
arch/powerpc/include/asm/reg_booke.h
arch/powerpc/include/asm/sections.h
arch/powerpc/include/asm/synch.h
arch/powerpc/kernel/entry_32.S
arch/powerpc/kernel/jump_label.c
arch/powerpc/kernel/kvm.c
arch/powerpc/kernel/misc_32.S
arch/powerpc/kernel/process.c
arch/powerpc/kernel/prom_init.c
arch/powerpc/kernel/setup_32.c
arch/powerpc/kernel/setup_64.c
arch/powerpc/kernel/signal_32.c
arch/powerpc/kernel/traps.c
arch/powerpc/kvm/book3s_hv.c
arch/powerpc/lib/feature-fixups.c
arch/powerpc/platforms/Kconfig
arch/powerpc/platforms/ps3/interrupt.c
arch/powerpc/platforms/ps3/platform.h
arch/powerpc/platforms/ps3/smp.c
drivers/misc/carma/carma-fpga-program.c
drivers/misc/carma/carma-fpga.c
drivers/usb/gadget/fsl_udc_core.c

index b177caa..951e18f 100644 (file)
@@ -345,7 +345,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE
 
 config KEXEC
        bool "kexec system call (EXPERIMENTAL)"
-       depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !47x)) && EXPERIMENTAL
+       depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !PPC_47x)) && EXPERIMENTAL
        help
          kexec is a system call that implements the ability to shutdown your
          current kernel, and to start another kernel.  It is like a reboot
index 57af16e..70ba0c0 100644 (file)
@@ -255,12 +255,6 @@ checkbin:
                echo 'disable kernel modules' ; \
                false ; \
        fi
-       @if ! /bin/echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \
-               echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \
-               echo 'correctly with old versions of binutils.' ; \
-               echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \
-               false ; \
-       fi
 
 CLEAN_FILES += $(TOUT)
 
index e2a4c26..02e41b5 100644 (file)
@@ -49,13 +49,13 @@ static __inline__ int atomic_add_return(int a, atomic_t *v)
        int t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    lwarx   %0,0,%2         # atomic_add_return\n\
        add     %0,%1,%0\n"
        PPC405_ERR77(0,%2)
 "      stwcx.  %0,0,%2 \n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (a), "r" (&v->counter)
        : "cc", "memory");
@@ -85,13 +85,13 @@ static __inline__ int atomic_sub_return(int a, atomic_t *v)
        int t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    lwarx   %0,0,%2         # atomic_sub_return\n\
        subf    %0,%1,%0\n"
        PPC405_ERR77(0,%2)
 "      stwcx.  %0,0,%2 \n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (a), "r" (&v->counter)
        : "cc", "memory");
@@ -119,13 +119,13 @@ static __inline__ int atomic_inc_return(atomic_t *v)
        int t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    lwarx   %0,0,%1         # atomic_inc_return\n\
        addic   %0,%0,1\n"
        PPC405_ERR77(0,%1)
 "      stwcx.  %0,0,%1 \n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (&v->counter)
        : "cc", "xer", "memory");
@@ -163,13 +163,13 @@ static __inline__ int atomic_dec_return(atomic_t *v)
        int t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    lwarx   %0,0,%1         # atomic_dec_return\n\
        addic   %0,%0,-1\n"
        PPC405_ERR77(0,%1)
 "      stwcx.  %0,0,%1\n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (&v->counter)
        : "cc", "xer", "memory");
@@ -194,7 +194,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
        int t;
 
        __asm__ __volatile__ (
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    lwarx   %0,0,%1         # __atomic_add_unless\n\
        cmpw    0,%0,%3 \n\
        beq-    2f \n\
@@ -202,7 +202,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
        PPC405_ERR77(0,%2)
 "      stwcx.  %0,0,%1 \n\
        bne-    1b \n"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
 "      subf    %0,%2,%0 \n\
 2:"
        : "=&r" (t)
@@ -226,7 +226,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
        int t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    lwarx   %0,0,%1         # atomic_dec_if_positive\n\
        cmpwi   %0,1\n\
        addi    %0,%0,-1\n\
@@ -234,7 +234,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
        PPC405_ERR77(0,%1)
 "      stwcx.  %0,0,%1\n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        "\n\
 2:"    : "=&b" (t)
        : "r" (&v->counter)
@@ -285,12 +285,12 @@ static __inline__ long atomic64_add_return(long a, atomic64_t *v)
        long t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    ldarx   %0,0,%2         # atomic64_add_return\n\
        add     %0,%1,%0\n\
        stdcx.  %0,0,%2 \n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (a), "r" (&v->counter)
        : "cc", "memory");
@@ -319,12 +319,12 @@ static __inline__ long atomic64_sub_return(long a, atomic64_t *v)
        long t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    ldarx   %0,0,%2         # atomic64_sub_return\n\
        subf    %0,%1,%0\n\
        stdcx.  %0,0,%2 \n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (a), "r" (&v->counter)
        : "cc", "memory");
@@ -351,12 +351,12 @@ static __inline__ long atomic64_inc_return(atomic64_t *v)
        long t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    ldarx   %0,0,%1         # atomic64_inc_return\n\
        addic   %0,%0,1\n\
        stdcx.  %0,0,%1 \n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (&v->counter)
        : "cc", "xer", "memory");
@@ -393,12 +393,12 @@ static __inline__ long atomic64_dec_return(atomic64_t *v)
        long t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    ldarx   %0,0,%1         # atomic64_dec_return\n\
        addic   %0,%0,-1\n\
        stdcx.  %0,0,%1\n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (&v->counter)
        : "cc", "xer", "memory");
@@ -418,13 +418,13 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v)
        long t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    ldarx   %0,0,%1         # atomic64_dec_if_positive\n\
        addic.  %0,%0,-1\n\
        blt-    2f\n\
        stdcx.  %0,0,%1\n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        "\n\
 2:"    : "=&r" (t)
        : "r" (&v->counter)
@@ -450,14 +450,14 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
        long t;
 
        __asm__ __volatile__ (
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    ldarx   %0,0,%1         # __atomic_add_unless\n\
        cmpd    0,%0,%3 \n\
        beq-    2f \n\
        add     %0,%2,%0 \n"
 "      stdcx.  %0,0,%1 \n\
        bne-    1b \n"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
 "      subf    %0,%2,%0 \n\
 2:"
        : "=&r" (t)
index e137afc..efdc926 100644 (file)
@@ -124,14 +124,14 @@ static __inline__ unsigned long fn(                       \
        return (old & mask);                            \
 }
 
-DEFINE_TESTOP(test_and_set_bits, or, PPC_RELEASE_BARRIER,
-             PPC_ACQUIRE_BARRIER, 0)
+DEFINE_TESTOP(test_and_set_bits, or, PPC_ATOMIC_ENTRY_BARRIER,
+             PPC_ATOMIC_EXIT_BARRIER, 0)
 DEFINE_TESTOP(test_and_set_bits_lock, or, "",
              PPC_ACQUIRE_BARRIER, 1)
-DEFINE_TESTOP(test_and_clear_bits, andc, PPC_RELEASE_BARRIER,
-             PPC_ACQUIRE_BARRIER, 0)
-DEFINE_TESTOP(test_and_change_bits, xor, PPC_RELEASE_BARRIER,
-             PPC_ACQUIRE_BARRIER, 0)
+DEFINE_TESTOP(test_and_clear_bits, andc, PPC_ATOMIC_ENTRY_BARRIER,
+             PPC_ATOMIC_EXIT_BARRIER, 0)
+DEFINE_TESTOP(test_and_change_bits, xor, PPC_ATOMIC_ENTRY_BARRIER,
+             PPC_ATOMIC_EXIT_BARRIER, 0)
 
 static __inline__ int test_and_set_bit(unsigned long nr,
                                       volatile unsigned long *addr)
index c94e4a3..2a9cf84 100644 (file)
 
 #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
   __asm__ __volatile ( \
-       PPC_RELEASE_BARRIER \
+       PPC_ATOMIC_ENTRY_BARRIER \
 "1:    lwarx   %0,0,%2\n" \
        insn \
        PPC405_ERR77(0, %2) \
 "2:    stwcx.  %1,0,%2\n" \
        "bne-   1b\n" \
+       PPC_ATOMIC_EXIT_BARRIER \
        "li     %1,0\n" \
 "3:    .section .fixup,\"ax\"\n" \
 "4:    li      %1,%3\n" \
@@ -92,14 +93,14 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
                return -EFAULT;
 
         __asm__ __volatile__ (
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     lwarx   %1,0,%3         # futex_atomic_cmpxchg_inatomic\n\
         cmpw    0,%1,%4\n\
         bne-    3f\n"
         PPC405_ERR77(0,%3)
 "2:     stwcx.  %5,0,%3\n\
         bne-    1b\n"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
 "3:    .section .fixup,\"ax\"\n\
 4:     li      %0,%6\n\
        b       3b\n\
index 28cdbd9..03c48e8 100644 (file)
@@ -31,7 +31,7 @@
 
 #define MSR_           MSR_ME | MSR_CE
 #define MSR_KERNEL     MSR_ | MSR_64BIT
-#define MSR_USER32     MSR_ | MSR_PR | MSR_EE | MSR_DE
+#define MSR_USER32     MSR_ | MSR_PR | MSR_EE
 #define MSR_USER64     MSR_USER32 | MSR_64BIT
 #elif defined (CONFIG_40x)
 #define MSR_KERNEL     (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE)
index 6fbce72..a0f358d 100644 (file)
@@ -8,7 +8,7 @@
 
 #ifdef __powerpc64__
 
-extern char _end[];
+extern char __end_interrupts[];
 
 static inline int in_kernel_text(unsigned long addr)
 {
index d7cab44..e682a71 100644 (file)
@@ -13,6 +13,7 @@
 extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup;
 extern void do_lwsync_fixups(unsigned long value, void *fixup_start,
                             void *fixup_end);
+extern void do_final_fixups(void);
 
 static inline void eieio(void)
 {
@@ -41,11 +42,15 @@ static inline void isync(void)
        START_LWSYNC_SECTION(97);                       \
        isync;                                          \
        MAKE_LWSYNC_SECTION_ENTRY(97, __lwsync_fixup);
-#define PPC_ACQUIRE_BARRIER    "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER)
-#define PPC_RELEASE_BARRIER    stringify_in_c(LWSYNC) "\n"
+#define PPC_ACQUIRE_BARRIER     "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER)
+#define PPC_RELEASE_BARRIER     stringify_in_c(LWSYNC) "\n"
+#define PPC_ATOMIC_ENTRY_BARRIER "\n" stringify_in_c(LWSYNC) "\n"
+#define PPC_ATOMIC_EXIT_BARRIER         "\n" stringify_in_c(sync) "\n"
 #else
 #define PPC_ACQUIRE_BARRIER
 #define PPC_RELEASE_BARRIER
+#define PPC_ATOMIC_ENTRY_BARRIER
+#define PPC_ATOMIC_EXIT_BARRIER
 #endif
 
 #endif /* __KERNEL__ */
index 56212bc..4f80cf1 100644 (file)
@@ -215,7 +215,22 @@ reenable_mmu:                              /* re-enable mmu so we can */
        stw     r9,8(r1)
        stw     r11,12(r1)
        stw     r3,ORIG_GPR3(r1)
+       /*
+        * The trace_hardirqs_off will use CALLER_ADDR0 and CALLER_ADDR1.
+        * If from user mode there is only one stack frame on the stack, and
+        * accessing CALLER_ADDR1 will cause oops. So we need create a dummy
+        * stack frame to make trace_hardirqs_off happy.
+        */
+       andi.   r12,r12,MSR_PR
+       beq     11f
+       stwu    r1,-16(r1)
+       bl      trace_hardirqs_off
+       addi    r1,r1,16
+       b       12f
+
+11:
        bl      trace_hardirqs_off
+12:
        lwz     r0,GPR0(r1)
        lwz     r3,ORIG_GPR3(r1)
        lwz     r4,GPR4(r1)
index 368d158..a1ed8a8 100644 (file)
@@ -11,6 +11,7 @@
 #include <linux/jump_label.h>
 #include <asm/code-patching.h>
 
+#ifdef HAVE_JUMP_LABEL
 void arch_jump_label_transform(struct jump_entry *entry,
                               enum jump_label_type type)
 {
@@ -21,3 +22,4 @@ void arch_jump_label_transform(struct jump_entry *entry,
        else
                patch_instruction(addr, PPC_INST_NOP);
 }
+#endif
index 35f2764..2985338 100644 (file)
@@ -132,7 +132,6 @@ static void kvm_patch_ins_b(u32 *inst, int addr)
        /* On relocatable kernels interrupts handlers and our code
           can be in different regions, so we don't patch them */
 
-       extern u32 __end_interrupts;
        if ((ulong)inst < (ulong)&__end_interrupts)
                return;
 #endif
index f7d760a..7cd07b4 100644 (file)
@@ -738,7 +738,7 @@ relocate_new_kernel:
        mr      r5, r31
 
        li      r0, 0
-#elif defined(CONFIG_44x)  && !defined(CONFIG_47x)
+#elif defined(CONFIG_44x)  && !defined(CONFIG_PPC_47x)
 
 /*
  * Code for setting up 1:1 mapping for PPC440x for KEXEC
index 9054ca9..6457574 100644 (file)
@@ -486,28 +486,6 @@ struct task_struct *__switch_to(struct task_struct *prev,
        new_thread = &new->thread;
        old_thread = &current->thread;
 
-#if defined(CONFIG_PPC_BOOK3E_64)
-       /* XXX Current Book3E code doesn't deal with kernel side DBCR0,
-        * we always hold the user values, so we set it now.
-        *
-        * However, we ensure the kernel MSR:DE is appropriately cleared too
-        * to avoid spurrious single step exceptions in the kernel.
-        *
-        * This will have to change to merge with the ppc32 code at some point,
-        * but I don't like much what ppc32 is doing today so there's some
-        * thinking needed there
-        */
-       if ((new_thread->dbcr0 | old_thread->dbcr0) & DBCR0_IDM) {
-               u32 dbcr0;
-
-               mtmsr(mfmsr() & ~MSR_DE);
-               isync();
-               dbcr0 = mfspr(SPRN_DBCR0);
-               dbcr0 = (dbcr0 & DBCR0_EDM) | new_thread->dbcr0;
-               mtspr(SPRN_DBCR0, dbcr0);
-       }
-#endif /* CONFIG_PPC64_BOOK3E */
-
 #ifdef CONFIG_PPC64
        /*
         * Collect processor utilization data per process
@@ -657,7 +635,7 @@ void show_regs(struct pt_regs * regs)
        if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR))
                printk("CFAR: "REG"\n", regs->orig_gpr3);
        if (trap == 0x300 || trap == 0x600)
-#ifdef CONFIG_PPC_ADV_DEBUG_REGS
+#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
                printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr);
 #else
                printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr);
index b4fa661..cc58486 100644 (file)
@@ -1579,10 +1579,8 @@ static void __init prom_instantiate_rtas(void)
                return;
 
        base = alloc_down(size, PAGE_SIZE, 0);
-       if (base == 0) {
-               prom_printf("RTAS allocation failed !\n");
-               return;
-       }
+       if (base == 0)
+               prom_panic("Could not allocate memory for RTAS\n");
 
        rtas_inst = call_prom("open", 1, 1, ADDR("/rtas"));
        if (!IHANDLE_VALID(rtas_inst)) {
index c1ce863..ac76108 100644 (file)
@@ -107,6 +107,8 @@ notrace unsigned long __init early_init(unsigned long dt_ptr)
                         PTRRELOC(&__start___lwsync_fixup),
                         PTRRELOC(&__stop___lwsync_fixup));
 
+       do_final_fixups();
+
        return KERNELBASE + offset;
 }
 
index 1a9dea8..fb9bb46 100644 (file)
@@ -359,6 +359,7 @@ void __init setup_system(void)
                          &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup);
        do_lwsync_fixups(cur_cpu_spec->cpu_features,
                         &__start___lwsync_fixup, &__stop___lwsync_fixup);
+       do_final_fixups();
 
        /*
         * Unflatten the device-tree passed by prom_init or kexec
index 78b76dc..836a5a1 100644 (file)
@@ -97,7 +97,7 @@ static inline int put_sigset_t(compat_sigset_t __user *uset, sigset_t *set)
        compat_sigset_t cset;
 
        switch (_NSIG_WORDS) {
-       case 4: cset.sig[5] = set->sig[3] & 0xffffffffull;
+       case 4: cset.sig[6] = set->sig[3] & 0xffffffffull;
                cset.sig[7] = set->sig[3] >> 32;
        case 3: cset.sig[4] = set->sig[2] & 0xffffffffull;
                cset.sig[5] = set->sig[2] >> 32;
index 4e59082..5459d14 100644 (file)
@@ -1298,14 +1298,12 @@ void __kprobes DebugException(struct pt_regs *regs, unsigned long debug_status)
 
                if (user_mode(regs)) {
                        current->thread.dbcr0 &= ~DBCR0_IC;
-#ifdef CONFIG_PPC_ADV_DEBUG_REGS
                        if (DBCR_ACTIVE_EVENTS(current->thread.dbcr0,
                                               current->thread.dbcr1))
                                regs->msr |= MSR_DE;
                        else
                                /* Make sure the IDM bit is off */
                                current->thread.dbcr0 &= ~DBCR0_IDM;
-#endif
                }
 
                _exception(SIGTRAP, regs, TRAP_TRACE, regs->nip);
index 0cdbc07..0cb137a 100644 (file)
@@ -44,6 +44,7 @@
 #include <asm/processor.h>
 #include <asm/cputhreads.h>
 #include <asm/page.h>
+#include <asm/hvcall.h>
 #include <linux/gfp.h>
 #include <linux/sched.h>
 #include <linux/vmalloc.h>
index 0d08d01..7a8a748 100644 (file)
@@ -18,6 +18,8 @@
 #include <linux/init.h>
 #include <asm/cputable.h>
 #include <asm/code-patching.h>
+#include <asm/page.h>
+#include <asm/sections.h>
 
 
 struct fixup_entry {
@@ -128,6 +130,27 @@ void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end)
        }
 }
 
+void do_final_fixups(void)
+{
+#if defined(CONFIG_PPC64) && defined(CONFIG_RELOCATABLE)
+       int *src, *dest;
+       unsigned long length;
+
+       if (PHYSICAL_START == 0)
+               return;
+
+       src = (int *)(KERNELBASE + PHYSICAL_START);
+       dest = (int *)KERNELBASE;
+       length = (__end_interrupts - _stext) / sizeof(int);
+
+       while (length--) {
+               patch_instruction(dest, *src);
+               src++;
+               dest++;
+       }
+#endif
+}
+
 #ifdef CONFIG_FTR_FIXUP_SELFTEST
 
 #define check(x)       \
index e458872..3fe6d92 100644 (file)
@@ -347,7 +347,7 @@ config SIMPLE_GPIO
 
 config MCU_MPC8349EMITX
        bool "MPC8349E-mITX MCU driver"
-       depends on I2C && PPC_83xx
+       depends on I2C=y && PPC_83xx
        select GENERIC_GPIO
        select ARCH_REQUIRE_GPIOLIB
        help
index 404bc52..1d6f4f4 100644 (file)
@@ -88,6 +88,7 @@ struct ps3_private {
        struct ps3_bmp bmp __attribute__ ((aligned (PS3_BMP_MINALIGN)));
        u64 ppe_id;
        u64 thread_id;
+       unsigned long ipi_mask;
 };
 
 static DEFINE_PER_CPU(struct ps3_private, ps3_private);
@@ -144,7 +145,11 @@ static void ps3_chip_unmask(struct irq_data *d)
 static void ps3_chip_eoi(struct irq_data *d)
 {
        const struct ps3_private *pd = irq_data_get_irq_chip_data(d);
-       lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq);
+
+       /* non-IPIs are EOIed here. */
+
+       if (!test_bit(63 - d->irq, &pd->ipi_mask))
+               lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq);
 }
 
 /**
@@ -691,6 +696,16 @@ void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq)
                cpu, virq, pd->bmp.ipi_debug_brk_mask);
 }
 
+void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq)
+{
+       struct ps3_private *pd = &per_cpu(ps3_private, cpu);
+
+       set_bit(63 - virq, &pd->ipi_mask);
+
+       DBG("%s:%d: cpu %u, virq %u, ipi_mask %lxh\n", __func__, __LINE__,
+               cpu, virq, pd->ipi_mask);
+}
+
 static unsigned int ps3_get_irq(void)
 {
        struct ps3_private *pd = &__get_cpu_var(ps3_private);
@@ -720,6 +735,12 @@ static unsigned int ps3_get_irq(void)
                BUG();
        }
 #endif
+
+       /* IPIs are EOIed here. */
+
+       if (test_bit(63 - plug, &pd->ipi_mask))
+               lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, plug);
+
        return plug;
 }
 
index 9a196a8..1a633ed 100644 (file)
@@ -43,6 +43,7 @@ void ps3_mm_shutdown(void);
 void ps3_init_IRQ(void);
 void ps3_shutdown_IRQ(int cpu);
 void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq);
+void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq);
 
 /* smp */
 
index 4c44794..efc1cd8 100644 (file)
@@ -59,46 +59,49 @@ static void ps3_smp_message_pass(int cpu, int msg)
 
 static int ps3_smp_probe(void)
 {
-       return 2;
-}
+       int cpu;
 
-static void __init ps3_smp_setup_cpu(int cpu)
-{
-       int result;
-       unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu);
-       int i;
+       for (cpu = 0; cpu < 2; cpu++) {
+               int result;
+               unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu);
+               int i;
 
-       DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
+               DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
 
-       /*
-        * Check assumptions on ps3_ipi_virqs[] indexing. If this
-        * check fails, then a different mapping of PPC_MSG_
-        * to index needs to be setup.
-        */
+               /*
+               * Check assumptions on ps3_ipi_virqs[] indexing. If this
+               * check fails, then a different mapping of PPC_MSG_
+               * to index needs to be setup.
+               */
 
-       BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION    != 0);
-       BUILD_BUG_ON(PPC_MSG_RESCHEDULE       != 1);
-       BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2);
-       BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK   != 3);
+               BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION    != 0);
+               BUILD_BUG_ON(PPC_MSG_RESCHEDULE       != 1);
+               BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2);
+               BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK   != 3);
 
-       for (i = 0; i < MSG_COUNT; i++) {
-               result = ps3_event_receive_port_setup(cpu, &virqs[i]);
+               for (i = 0; i < MSG_COUNT; i++) {
+                       result = ps3_event_receive_port_setup(cpu, &virqs[i]);
 
-               if (result)
-                       continue;
+                       if (result)
+                               continue;
 
-               DBG("%s:%d: (%d, %d) => virq %u\n",
-                       __func__, __LINE__, cpu, i, virqs[i]);
+                       DBG("%s:%d: (%d, %d) => virq %u\n",
+                               __func__, __LINE__, cpu, i, virqs[i]);
 
-               result = smp_request_message_ipi(virqs[i], i);
+                       result = smp_request_message_ipi(virqs[i], i);
 
-               if (result)
-                       virqs[i] = NO_IRQ;
-       }
+                       if (result)
+                               virqs[i] = NO_IRQ;
+                       else
+                               ps3_register_ipi_irq(cpu, virqs[i]);
+               }
 
-       ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]);
+               ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]);
 
-       DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu);
+               DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu);
+       }
+
+       return 2;
 }
 
 void ps3_smp_cleanup_cpu(int cpu)
@@ -121,7 +124,6 @@ static struct smp_ops_t ps3_smp_ops = {
        .probe          = ps3_smp_probe,
        .message_pass   = ps3_smp_message_pass,
        .kick_cpu       = smp_generic_kick_cpu,
-       .setup_cpu      = ps3_smp_setup_cpu,
 };
 
 void smp_init_ps3(void)
index 7ce6065..eb5cd28 100644 (file)
@@ -945,8 +945,7 @@ static int fpga_of_remove(struct platform_device *op)
 /* CTL-CPLD Version Register */
 #define CTL_CPLD_VERSION       0x2000
 
-static int fpga_of_probe(struct platform_device *op,
-                        const struct of_device_id *match)
+static int fpga_of_probe(struct platform_device *op)
 {
        struct device_node *of_node = op->dev.of_node;
        struct device *this_device;
@@ -1107,7 +1106,7 @@ static struct of_device_id fpga_of_match[] = {
        {},
 };
 
-static struct of_platform_driver fpga_of_driver = {
+static struct platform_driver fpga_of_driver = {
        .probe          = fpga_of_probe,
        .remove         = fpga_of_remove,
        .driver         = {
@@ -1124,12 +1123,12 @@ static struct of_platform_driver fpga_of_driver = {
 static int __init fpga_init(void)
 {
        led_trigger_register_simple("fpga", &ledtrig_fpga);
-       return of_register_platform_driver(&fpga_of_driver);
+       return platform_driver_register(&fpga_of_driver);
 }
 
 static void __exit fpga_exit(void)
 {
-       of_unregister_platform_driver(&fpga_of_driver);
+       platform_driver_unregister(&fpga_of_driver);
        led_trigger_unregister_simple(ledtrig_fpga);
 }
 
index 3965821..14e974b 100644 (file)
@@ -1249,8 +1249,7 @@ static bool dma_filter(struct dma_chan *chan, void *data)
        return true;
 }
 
-static int data_of_probe(struct platform_device *op,
-                        const struct of_device_id *match)
+static int data_of_probe(struct platform_device *op)
 {
        struct device_node *of_node = op->dev.of_node;
        struct device *this_device;
@@ -1401,7 +1400,7 @@ static struct of_device_id data_of_match[] = {
        {},
 };
 
-static struct of_platform_driver data_of_driver = {
+static struct platform_driver data_of_driver = {
        .probe          = data_of_probe,
        .remove         = data_of_remove,
        .driver         = {
@@ -1417,12 +1416,12 @@ static struct of_platform_driver data_of_driver = {
 
 static int __init data_init(void)
 {
-       return of_register_platform_driver(&data_of_driver);
+       return platform_driver_register(&data_of_driver);
 }
 
 static void __exit data_exit(void)
 {
-       of_unregister_platform_driver(&data_of_driver);
+       platform_driver_unregister(&data_of_driver);
 }
 
 MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
index b2c44e1..d786ba3 100644 (file)
@@ -1717,7 +1717,7 @@ static void dtd_complete_irq(struct fsl_udc *udc)
 
 static inline enum usb_device_speed portscx_device_speed(u32 reg)
 {
-       switch (speed & PORTSCX_PORT_SPEED_MASK) {
+       switch (reg & PORTSCX_PORT_SPEED_MASK) {
        case PORTSCX_PORT_SPEED_HIGH:
                return USB_SPEED_HIGH;
        case PORTSCX_PORT_SPEED_FULL: