]> err.no Git - linux-2.6/commitdiff
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
authorLinus Torvalds <torvalds@linux-foundation.org>
Tue, 2 Sep 2008 17:43:38 +0000 (10:43 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 2 Sep 2008 17:43:38 +0000 (10:43 -0700)
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: setup_valid_addr_bitmap_from_pavail() should be __init
  sparc: Fix resource flags for PCI children in OF device tree.
  sparc32: Implement smp_call_function_single().

arch/sparc/include/asm/smp_32.h
arch/sparc/kernel/of_device.c
arch/sparc/kernel/sun4d_smp.c
arch/sparc/kernel/sun4m_smp.c
arch/sparc64/kernel/of_device.c
arch/sparc64/mm/init.c

index 7201752cf93418fba65af3dbcdaef246f8a627a7..a8180e546a48f87a6d5b9a7123d9ed91a3b51a56 100644 (file)
@@ -50,27 +50,24 @@ struct seq_file;
 void smp_bogo(struct seq_file *);
 void smp_info(struct seq_file *);
 
-BTFIXUPDEF_CALL(void, smp_cross_call, smpfunc_t, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long)
+BTFIXUPDEF_CALL(void, smp_cross_call, smpfunc_t, cpumask_t, unsigned long, unsigned long, unsigned long, unsigned long)
 BTFIXUPDEF_CALL(int, __hard_smp_processor_id, void)
 BTFIXUPDEF_BLACKBOX(hard_smp_processor_id)
 BTFIXUPDEF_BLACKBOX(load_current)
 
-#define smp_cross_call(func,arg1,arg2,arg3,arg4,arg5) BTFIXUP_CALL(smp_cross_call)(func,arg1,arg2,arg3,arg4,arg5)
+#define smp_cross_call(func,mask,arg1,arg2,arg3,arg4) BTFIXUP_CALL(smp_cross_call)(func,mask,arg1,arg2,arg3,arg4)
 
-static inline void xc0(smpfunc_t func) { smp_cross_call(func, 0, 0, 0, 0, 0); }
+static inline void xc0(smpfunc_t func) { smp_cross_call(func, cpu_online_map, 0, 0, 0, 0); }
 static inline void xc1(smpfunc_t func, unsigned long arg1)
-{ smp_cross_call(func, arg1, 0, 0, 0, 0); }
+{ smp_cross_call(func, cpu_online_map, arg1, 0, 0, 0); }
 static inline void xc2(smpfunc_t func, unsigned long arg1, unsigned long arg2)
-{ smp_cross_call(func, arg1, arg2, 0, 0, 0); }
+{ smp_cross_call(func, cpu_online_map, arg1, arg2, 0, 0); }
 static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2,
                           unsigned long arg3)
-{ smp_cross_call(func, arg1, arg2, arg3, 0, 0); }
+{ smp_cross_call(func, cpu_online_map, arg1, arg2, arg3, 0); }
 static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2,
                           unsigned long arg3, unsigned long arg4)
-{ smp_cross_call(func, arg1, arg2, arg3, arg4, 0); }
-static inline void xc5(smpfunc_t func, unsigned long arg1, unsigned long arg2,
-                          unsigned long arg3, unsigned long arg4, unsigned long arg5)
-{ smp_cross_call(func, arg1, arg2, arg3, arg4, arg5); }
+{ smp_cross_call(func, cpu_online_map, arg1, arg2, arg3, arg4); }
 
 static inline int smp_call_function(void (*func)(void *info), void *info, int wait)
 {
@@ -78,6 +75,14 @@ static inline int smp_call_function(void (*func)(void *info), void *info, int wa
        return 0;
 }
 
+static inline int smp_call_function_single(int cpuid, void (*func) (void *info),
+                                          void *info, int wait)
+{
+       smp_cross_call((smpfunc_t)func, cpumask_of_cpu(cpuid),
+                      (unsigned long) info, 0, 0, 0);
+       return 0;
+}
+
 static inline int cpu_logical_map(int cpu)
 {
        return cpu;
index cc4c235c4f592e5e193429bfb346656287c8092f..c481d45f97b748a3748c8fcc813be7d7965555e6 100644 (file)
@@ -70,7 +70,7 @@ struct of_bus {
                                       int *addrc, int *sizec);
        int             (*map)(u32 *addr, const u32 *range,
                               int na, int ns, int pna);
-       unsigned int    (*get_flags)(const u32 *addr);
+       unsigned long   (*get_flags)(const u32 *addr, unsigned long);
 };
 
 /*
@@ -130,8 +130,10 @@ static int of_bus_default_map(u32 *addr, const u32 *range,
        return 0;
 }
 
-static unsigned int of_bus_default_get_flags(const u32 *addr)
+static unsigned long of_bus_default_get_flags(const u32 *addr, unsigned long flags)
 {
+       if (flags)
+               return flags;
        return IORESOURCE_MEM;
 }
 
@@ -194,17 +196,21 @@ static int of_bus_pci_map(u32 *addr, const u32 *range,
        return 0;
 }
 
-static unsigned int of_bus_pci_get_flags(const u32 *addr)
+static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
 {
-       unsigned int flags = 0;
        u32 w = addr[0];
 
+       /* For PCI, we override whatever child busses may have used.  */
+       flags = 0;
        switch((w >> 24) & 0x03) {
        case 0x01:
                flags |= IORESOURCE_IO;
+               break;
+
        case 0x02: /* 32 bits */
        case 0x03: /* 64 bits */
                flags |= IORESOURCE_MEM;
+               break;
        }
        if (w & 0x40000000)
                flags |= IORESOURCE_PREFETCH;
@@ -362,10 +368,11 @@ static void __init build_device_resources(struct of_device *op,
                int pna, pns;
 
                size = of_read_addr(reg + na, ns);
-               flags = bus->get_flags(reg);
 
                memcpy(addr, reg, na * 4);
 
+               flags = bus->get_flags(reg, 0);
+
                /* If the immediate parent has no ranges property to apply,
                 * just use a 1<->1 mapping.
                 */
@@ -393,6 +400,8 @@ static void __init build_device_resources(struct of_device *op,
                                               dna, dns, pna))
                                break;
 
+                       flags = pbus->get_flags(addr, flags);
+
                        dna = pna;
                        dns = pns;
                        dbus = pbus;
index dfde77ff084870810b3a8e94e40f089b796418be..69596402a500092c562b3ec97e7269efcc8981ec 100644 (file)
@@ -262,8 +262,9 @@ static struct smp_funcall {
 static DEFINE_SPINLOCK(cross_call_lock);
 
 /* Cross calls must be serialized, at least currently. */
-void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2,
-                   unsigned long arg3, unsigned long arg4, unsigned long arg5)
+static void smp4d_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1,
+                            unsigned long arg2, unsigned long arg3,
+                            unsigned long arg4)
 {
        if(smp_processors_ready) {
                register int high = smp_highest_cpu;
@@ -278,7 +279,7 @@ void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2,
                        register unsigned long a2 asm("i2") = arg2;
                        register unsigned long a3 asm("i3") = arg3;
                        register unsigned long a4 asm("i4") = arg4;
-                       register unsigned long a5 asm("i5") = arg5;
+                       register unsigned long a5 asm("i5") = 0;
 
                        __asm__ __volatile__(
                                "std %0, [%6]\n\t"
@@ -290,11 +291,10 @@ void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2,
 
                /* Init receive/complete mapping, plus fire the IPI's off. */
                {
-                       cpumask_t mask;
                        register int i;
 
-                       mask = cpumask_of_cpu(hard_smp4d_processor_id());
-                       cpus_andnot(mask, cpu_online_map, mask);
+                       cpu_clear(smp_processor_id(), mask);
+                       cpus_and(mask, cpu_online_map, mask);
                        for(i = 0; i <= high; i++) {
                                if (cpu_isset(i, mask)) {
                                        ccall_info.processors_in[i] = 0;
@@ -309,12 +309,16 @@ void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2,
 
                        i = 0;
                        do {
+                               if (!cpu_isset(i, mask))
+                                       continue;
                                while(!ccall_info.processors_in[i])
                                        barrier();
                        } while(++i <= high);
 
                        i = 0;
                        do {
+                               if (!cpu_isset(i, mask))
+                                       continue;
                                while(!ccall_info.processors_out[i])
                                        barrier();
                        } while(++i <= high);
index 406ac1abc83a8645f559b435690b5f12594f6e5a..a14a76ac7f36464642ea95f397326c29d3967002 100644 (file)
@@ -244,9 +244,9 @@ static struct smp_funcall {
 static DEFINE_SPINLOCK(cross_call_lock);
 
 /* Cross calls must be serialized, at least currently. */
-static void smp4m_cross_call(smpfunc_t func, unsigned long arg1,
+static void smp4m_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1,
                             unsigned long arg2, unsigned long arg3,
-                            unsigned long arg4, unsigned long arg5)
+                            unsigned long arg4)
 {
                register int ncpus = SUN4M_NCPUS;
                unsigned long flags;
@@ -259,14 +259,14 @@ static void smp4m_cross_call(smpfunc_t func, unsigned long arg1,
                ccall_info.arg2 = arg2;
                ccall_info.arg3 = arg3;
                ccall_info.arg4 = arg4;
-               ccall_info.arg5 = arg5;
+               ccall_info.arg5 = 0;
 
                /* Init receive/complete mapping, plus fire the IPI's off. */
                {
-                       cpumask_t mask = cpu_online_map;
                        register int i;
 
                        cpu_clear(smp_processor_id(), mask);
+                       cpus_and(mask, cpu_online_map, mask);
                        for(i = 0; i < ncpus; i++) {
                                if (cpu_isset(i, mask)) {
                                        ccall_info.processors_in[i] = 0;
@@ -284,12 +284,16 @@ static void smp4m_cross_call(smpfunc_t func, unsigned long arg1,
 
                        i = 0;
                        do {
+                               if (!cpu_isset(i, mask))
+                                       continue;
                                while(!ccall_info.processors_in[i])
                                        barrier();
                        } while(++i < ncpus);
 
                        i = 0;
                        do {
+                               if (!cpu_isset(i, mask))
+                                       continue;
                                while(!ccall_info.processors_out[i])
                                        barrier();
                        } while(++i < ncpus);
index f8b50cbf4bf711658ef3ad742270da424cbf4294..f845f150f565b26a019dea86afa7a6b9d2970ce7 100644 (file)
@@ -96,7 +96,7 @@ struct of_bus {
                                       int *addrc, int *sizec);
        int             (*map)(u32 *addr, const u32 *range,
                               int na, int ns, int pna);
-       unsigned int    (*get_flags)(const u32 *addr);
+       unsigned long   (*get_flags)(const u32 *addr, unsigned long);
 };
 
 /*
@@ -156,8 +156,10 @@ static int of_bus_default_map(u32 *addr, const u32 *range,
        return 0;
 }
 
-static unsigned int of_bus_default_get_flags(const u32 *addr)
+static unsigned long of_bus_default_get_flags(const u32 *addr, unsigned long flags)
 {
+       if (flags)
+               return flags;
        return IORESOURCE_MEM;
 }
 
@@ -249,17 +251,21 @@ static int of_bus_pci_map(u32 *addr, const u32 *range,
        return 0;
 }
 
-static unsigned int of_bus_pci_get_flags(const u32 *addr)
+static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
 {
-       unsigned int flags = 0;
        u32 w = addr[0];
 
+       /* For PCI, we override whatever child busses may have used.  */
+       flags = 0;
        switch((w >> 24) & 0x03) {
        case 0x01:
                flags |= IORESOURCE_IO;
+               break;
+
        case 0x02: /* 32 bits */
        case 0x03: /* 64 bits */
                flags |= IORESOURCE_MEM;
+               break;
        }
        if (w & 0x40000000)
                flags |= IORESOURCE_PREFETCH;
@@ -478,10 +484,10 @@ static void __init build_device_resources(struct of_device *op,
                int pna, pns;
 
                size = of_read_addr(reg + na, ns);
-               flags = bus->get_flags(reg);
-
                memcpy(addr, reg, na * 4);
 
+               flags = bus->get_flags(addr, 0);
+
                if (use_1to1_mapping(pp)) {
                        result = of_read_addr(addr, na);
                        goto build_res;
@@ -506,6 +512,8 @@ static void __init build_device_resources(struct of_device *op,
                                               dna, dns, pna))
                                break;
 
+                       flags = pbus->get_flags(addr, flags);
+
                        dna = pna;
                        dns = pns;
                        dbus = pbus;
index b4aeb0f696dc4330e837d7e5b085ba0d2fbf4a7f..a41df7bef0356eef702e247f7ef2bb05a8679acb 100644 (file)
@@ -1843,7 +1843,7 @@ static int pavail_rescan_ents __initdata;
  * memory list again, and make sure it provides at least as much
  * memory as 'pavail' does.
  */
-static void setup_valid_addr_bitmap_from_pavail(void)
+static void __init setup_valid_addr_bitmap_from_pavail(void)
 {
        int i;