Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc

* master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc:
  [PATCH] powerpc: iSeries needs slb_initialize to be called
  powerpc: hook up the splice syscall
  [PATCH] powerpc/cell: compile fixes
  [PATCH] powerpc: trivial spelling fixes in fault.c
  [PATCH] powerpc/pseries: EEH Cleanup
  [PATCH] powerpc/pseries: misc lparcfg fixes
  [PATCH] powerpc/pseries: fix device name printing, again.
  [PATCH] powerpc: Extends HCALL interface for InfiniBand usage
  [PATCH] powerpc/pseries: Change H_StudlyCaps to H_SHOUTING_CAPS
  [PATCH] powerpc/pseries: print message if EEH recovery fails
  [PATCH] powerpc/pseries: mutex lock to serialize EEH event processing
  powerpc: converted embedded platforms to use new define_machine support
  powerpc: merge machine_check_exception between ppc32 & ppc64

arch/powerpc/kernel/lparcfg.c

@@ -37,7 +37,7 @@
 #include <asm/prom.h>
 #include <asm/vdso_datapage.h>
 
-#define MODULE_VERS "1.6"
+#define MODULE_VERS "1.7"
 #define MODULE_NAME "lparcfg"
 
 /* #define LPARCFG_DEBUG */
@@ -149,17 +149,17 @@ static void log_plpar_hcall_return(unsigned long rc, char *tag)
 	if (rc == 0)		/* success, return */
 		return;
 /* check for null tag ? */
-	if (rc == H_Hardware)
+	if (rc == H_HARDWARE)
 		printk(KERN_INFO
 		       "plpar-hcall (%s) failed with hardware fault\n", tag);
-	else if (rc == H_Function)
+	else if (rc == H_FUNCTION)
 		printk(KERN_INFO
 		       "plpar-hcall (%s) failed; function not allowed\n", tag);
-	else if (rc == H_Authority)
+	else if (rc == H_AUTHORITY)
 		printk(KERN_INFO
-		       "plpar-hcall (%s) failed; not authorized to this function\n",
-		       tag);
-	else if (rc == H_Parameter)
+		       "plpar-hcall (%s) failed; not authorized to this"
+		       " function\n", tag);
+	else if (rc == H_PARAMETER)
 		printk(KERN_INFO "plpar-hcall (%s) failed; Bad parameter(s)\n",
 		       tag);
 	else
@@ -209,7 +209,7 @@ static void h_pic(unsigned long *pool_idle_time, unsigned long *num_procs)
 	unsigned long dummy;
 	rc = plpar_hcall(H_PIC, 0, 0, 0, 0, pool_idle_time, num_procs, &dummy);
 
-	if (rc != H_Authority)
+	if (rc != H_AUTHORITY)
 		log_plpar_hcall_return(rc, "H_PIC");
 }
 
@@ -242,7 +242,7 @@ static void parse_system_parameter_string(struct seq_file *m)
 {
 	int call_status;
 
-	char *local_buffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);
+	unsigned char *local_buffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);
 	if (!local_buffer) {
 		printk(KERN_ERR "%s %s kmalloc failure at line %d \n",
 		       __FILE__, __FUNCTION__, __LINE__);
@@ -254,7 +254,8 @@ static void parse_system_parameter_string(struct seq_file *m)
 	call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1,
 				NULL,
 				SPLPAR_CHARACTERISTICS_TOKEN,
-				__pa(rtas_data_buf));
+				__pa(rtas_data_buf),
+				RTAS_DATA_BUF_SIZE);
 	memcpy(local_buffer, rtas_data_buf, SPLPAR_MAXLENGTH);
 	spin_unlock(&rtas_data_buf_lock);
 
@@ -275,7 +276,7 @@ static void parse_system_parameter_string(struct seq_file *m)
 #ifdef LPARCFG_DEBUG
 		printk(KERN_INFO "success calling get-system-parameter \n");
 #endif
-		splpar_strlen = local_buffer[0] * 16 + local_buffer[1];
+		splpar_strlen = local_buffer[0] * 256 + local_buffer[1];
 		local_buffer += 2;	/* step over strlen value */
 
 		memset(workbuffer, 0, SPLPAR_MAXLENGTH);
@@ -529,13 +530,13 @@ static ssize_t lparcfg_write(struct file *file, const char __user * buf,
 	retval = plpar_hcall_norets(H_SET_PPP, *new_entitled_ptr,
 				    *new_weight_ptr);
 
-	if (retval == H_Success || retval == H_Constrained) {
+	if (retval == H_SUCCESS || retval == H_CONSTRAINED) {
 		retval = count;
-	} else if (retval == H_Busy) {
+	} else if (retval == H_BUSY) {
 		retval = -EBUSY;
-	} else if (retval == H_Hardware) {
+	} else if (retval == H_HARDWARE) {
 		retval = -EIO;
-	} else if (retval == H_Parameter) {
+	} else if (retval == H_PARAMETER) {
 		retval = -EINVAL;
 	} else {
 		printk(KERN_WARNING "%s: received unknown hv return code %ld",

arch/powerpc/kernel/rtas.c

@@ -578,26 +578,26 @@ static void rtas_percpu_suspend_me(void *info)
 	 * We use "waiting" to indicate our state.  As long
 	 * as it is >0, we are still trying to all join up.
 	 * If it goes to 0, we have successfully joined up and
-	 * one thread got H_Continue.  If any error happens,
+	 * one thread got H_CONTINUE.  If any error happens,
 	 * we set it to <0.
 	 */
 	local_irq_save(flags);
 	do {
 		rc = plpar_hcall_norets(H_JOIN);
 		smp_rmb();
-	} while (rc == H_Success && data->waiting > 0);
-	if (rc == H_Success)
+	} while (rc == H_SUCCESS && data->waiting > 0);
+	if (rc == H_SUCCESS)
 		goto out;
 
-	if (rc == H_Continue) {
+	if (rc == H_CONTINUE) {
 		data->waiting = 0;
 		data->args->args[data->args->nargs] =
 			rtas_call(ibm_suspend_me_token, 0, 1, NULL);
 		for_each_possible_cpu(i)
 			plpar_hcall_norets(H_PROD,i);
 	} else {
 		data->waiting = -EBUSY;
-		printk(KERN_ERR "Error on H_Join hypervisor call\n");
+		printk(KERN_ERR "Error on H_JOIN hypervisor call\n");
 	}
 
 out:
@@ -624,7 +624,7 @@ static int rtas_ibm_suspend_me(struct rtas_args *args)
 		printk(KERN_ERR "Error doing global join\n");
 
 	/* Prod each CPU.  This won't hurt, and will wake
-	 * anyone we successfully put to sleep with H_Join
+	 * anyone we successfully put to sleep with H_JOIN.
 	 */
 	for_each_possible_cpu(i)
 		plpar_hcall_norets(H_PROD, i);

arch/powerpc/kernel/setup_32.c

@@ -50,7 +50,6 @@
 #include <asm/kgdb.h>
 #endif
 
-extern void platform_init(void);
 extern void bootx_init(unsigned long r4, unsigned long phys);
 
 boot_infos_t *boot_infos;
@@ -138,12 +137,7 @@ void __init machine_init(unsigned long dt_ptr, unsigned long phys)
 		strlcpy(cmd_line, CONFIG_CMDLINE, sizeof(cmd_line));
 #endif /* CONFIG_CMDLINE */
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
 	probe_machine();
-#else
-	/* Base init based on machine type. Obsoloete, please kill ! */
-	platform_init();
-#endif
 
 #ifdef CONFIG_6xx
 	if (cpu_has_feature(CPU_FTR_CAN_DOZE) ||

arch/powerpc/kernel/setup_64.c

@@ -215,12 +215,10 @@ void __init early_setup(unsigned long dt_ptr)
 	/*
 	 * Initialize stab / SLB management except on iSeries
 	 */
-	if (!firmware_has_feature(FW_FEATURE_ISERIES)) {
-		if (cpu_has_feature(CPU_FTR_SLB))
-			slb_initialize();
-		else
-			stab_initialize(get_paca()->stab_real);
-	}
+	if (cpu_has_feature(CPU_FTR_SLB))
+		slb_initialize();
+	else if (!firmware_has_feature(FW_FEATURE_ISERIES))
+		stab_initialize(get_paca()->stab_real);
 
 	DBG(" <- early_setup()\n");
 }

arch/powerpc/kernel/traps.c

@@ -228,7 +228,7 @@ void system_reset_exception(struct pt_regs *regs)
  */
 static inline int check_io_access(struct pt_regs *regs)
 {
-#ifdef CONFIG_PPC_PMAC
+#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)
 	unsigned long msr = regs->msr;
 	const struct exception_table_entry *entry;
 	unsigned int *nip = (unsigned int *)regs->nip;
@@ -261,7 +261,7 @@ static inline int check_io_access(struct pt_regs *regs)
 			return 1;
 		}
 	}
-#endif /* CONFIG_PPC_PMAC */
+#endif /* CONFIG_PPC_PMAC && CONFIG_PPC32 */
 	return 0;
 }
 
@@ -308,17 +308,15 @@ platform_machine_check(struct pt_regs *regs)
 
 void machine_check_exception(struct pt_regs *regs)
 {
-#ifdef CONFIG_PPC64
 	int recover = 0;
+	unsigned long reason = get_mc_reason(regs);
 
 	/* See if any machine dependent calls */
 	if (ppc_md.machine_check_exception)
 		recover = ppc_md.machine_check_exception(regs);
 
 	if (recover)
 		return;
-#else
-	unsigned long reason = get_mc_reason(regs);
 
 	if (user_mode(regs)) {
 		regs->msr |= MSR_RI;
@@ -462,7 +460,6 @@ void machine_check_exception(struct pt_regs *regs)
 	 * additional info, e.g. bus error registers.
 	 */
 	platform_machine_check(regs);
-#endif /* CONFIG_PPC64 */
 
 	if (debugger_fault_handler(regs))
 		return;

arch/powerpc/mm/fault.c

@@ -177,15 +177,15 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
 
 	/* When running in the kernel we expect faults to occur only to
 	 * addresses in user space.  All other faults represent errors in the
-	 * kernel and should generate an OOPS.  Unfortunatly, in the case of an
-	 * erroneous fault occuring in a code path which already holds mmap_sem
+	 * kernel and should generate an OOPS.  Unfortunately, in the case of an
+	 * erroneous fault occurring in a code path which already holds mmap_sem
 	 * we will deadlock attempting to validate the fault against the
 	 * address space.  Luckily the kernel only validly references user
 	 * space from well defined areas of code, which are listed in the
 	 * exceptions table.
 	 *
 	 * As the vast majority of faults will be valid we will only perform
-	 * the source reference check when there is a possibilty of a deadlock.
+	 * the source reference check when there is a possibility of a deadlock.
 	 * Attempt to lock the address space, if we cannot we then validate the
 	 * source.  If this is invalid we can skip the address space check,
 	 * thus avoiding the deadlock.

arch/powerpc/platforms/83xx/mpc834x_sys.c

@@ -158,25 +158,25 @@ static int __init mpc834x_rtc_hookup(void)
 late_initcall(mpc834x_rtc_hookup);
 #endif
 
-void __init platform_init(void)
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init mpc834x_sys_probe(void)
 {
-	/* setup the PowerPC module struct */
-	ppc_md.setup_arch = mpc834x_sys_setup_arch;
-
-	ppc_md.init_IRQ = mpc834x_sys_init_IRQ;
-	ppc_md.get_irq = ipic_get_irq;
-
-	ppc_md.restart = mpc83xx_restart;
-
-	ppc_md.time_init = mpc83xx_time_init;
-	ppc_md.set_rtc_time = NULL;
-	ppc_md.get_rtc_time = NULL;
-	ppc_md.calibrate_decr = generic_calibrate_decr;
-
-	ppc_md.progress = udbg_progress;
-
-	if (ppc_md.progress)
-		ppc_md.progress("mpc834x_sys_init(): exit", 0);
-
-	return;
+	/* We always match for now, eventually we should look at the flat
+	   dev tree to ensure this is the board we are suppose to run on
+	*/
+	return 1;
 }
+
+define_machine(mpc834x_sys) {
+	.name			= "MPC834x SYS",
+	.probe			= mpc834x_sys_probe,
+	.setup_arch		= mpc834x_sys_setup_arch,
+	.init_IRQ		= mpc834x_sys_init_IRQ,
+	.get_irq		= ipic_get_irq,
+	.restart		= mpc83xx_restart,
+	.time_init		= mpc83xx_time_init,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+};

arch/powerpc/platforms/85xx/mpc85xx_ads.c

@@ -220,25 +220,25 @@ void mpc85xx_ads_show_cpuinfo(struct seq_file *m)
 	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 }
 
-void __init platform_init(void)
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init mpc85xx_ads_probe(void)
 {
-	ppc_md.setup_arch = mpc85xx_ads_setup_arch;
-	ppc_md.show_cpuinfo = mpc85xx_ads_show_cpuinfo;
-
-	ppc_md.init_IRQ = mpc85xx_ads_pic_init;
-	ppc_md.get_irq = mpic_get_irq;
-
-	ppc_md.restart = mpc85xx_restart;
-	ppc_md.power_off = NULL;
-	ppc_md.halt = NULL;
-
-	ppc_md.time_init = NULL;
-	ppc_md.set_rtc_time = NULL;
-	ppc_md.get_rtc_time = NULL;
-	ppc_md.calibrate_decr = generic_calibrate_decr;
-
-	ppc_md.progress = udbg_progress;
-
-	if (ppc_md.progress)
-		ppc_md.progress("mpc85xx_ads platform_init(): exit", 0);
+	/* We always match for now, eventually we should look at the flat
+	   dev tree to ensure this is the board we are suppose to run on
+	*/
+	return 1;
 }
+
+define_machine(mpc85xx_ads) {
+	.name			= "MPC85xx ADS",
+	.probe			= mpc85xx_ads_probe,
+	.setup_arch		= mpc85xx_ads_setup_arch,
+	.init_IRQ		= mpc85xx_ads_pic_init,
+	.show_cpuinfo		= mpc85xx_ads_show_cpuinfo,
+	.get_irq		= mpic_get_irq,
+	.restart		= mpc85xx_restart,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+};

arch/powerpc/platforms/cell/spu_callbacks.c

@@ -316,6 +316,7 @@ void *spu_syscall_table[] = {
 	[__NR_pselect6]			sys_ni_syscall, /* sys_pselect */
 	[__NR_ppoll]			sys_ni_syscall, /* sys_ppoll */
 	[__NR_unshare]			sys_unshare,
+	[__NR_splice]			sys_splice,
 };
 
 long spu_sys_callback(struct spu_syscall_block *s)

arch/powerpc/platforms/cell/spufs/run.c

@@ -2,6 +2,7 @@
 #include <linux/ptrace.h>
 
 #include <asm/spu.h>
+#include <asm/unistd.h>
 
 #include "spufs.h"