Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  arch/powerpc: use printk_ratelimited instead of printk_ratelimit
  powerpc/rtas-rtc: remove sideeffects of printk_ratelimit
  powerpc/pseries: remove duplicate SCSI_BNX2_ISCSI in pseries_defconfig
  powerpc/e500: fix breakage with fsl_rio_mcheck_exception
  powerpc/p1022ds: fix audio-related properties in the device tree
  powerpc/85xx: fix NAND_CMD_READID read bytes number

arch/powerpc/boot/dts/p1022ds.dts

@@ -209,8 +209,10 @@
 			wm8776:codec@1a {
 				compatible = "wlf,wm8776";
 				reg = <0x1a>;
-				/* MCLK source is a stand-alone oscillator */
-				clock-frequency = <12288000>;
+				/*
+				 * clock-frequency will be set by U-Boot if
+				 * the clock is enabled.
+				 */
 			};
 		};
 
@@ -280,7 +282,8 @@
 			codec-handle = <&wm8776>;
 			fsl,playback-dma = <&dma00>;
 			fsl,capture-dma = <&dma01>;
-			fsl,fifo-depth = <16>;
+			fsl,fifo-depth = <15>;
+			fsl,ssi-asynchronous;
 		};
 
 		dma@c300 {

arch/powerpc/configs/pseries_defconfig

@@ -148,7 +148,6 @@ CONFIG_SCSI_SAS_ATTRS=m
 CONFIG_SCSI_CXGB3_ISCSI=m
 CONFIG_SCSI_CXGB4_ISCSI=m
 CONFIG_SCSI_BNX2_ISCSI=m
-CONFIG_SCSI_BNX2_ISCSI=m
 CONFIG_BE2ISCSI=m
 CONFIG_SCSI_IBMVSCSI=y
 CONFIG_SCSI_IBMVFC=m

arch/powerpc/kernel/rtas-rtc.c

@@ -4,6 +4,7 @@
 #include <linux/init.h>
 #include <linux/rtc.h>
 #include <linux/delay.h>
+#include <linux/ratelimit.h>
 #include <asm/prom.h>
 #include <asm/rtas.h>
 #include <asm/time.h>
@@ -29,8 +30,9 @@ unsigned long __init rtas_get_boot_time(void)
 		}
 	} while (wait_time && (get_tb() < max_wait_tb));
 
-	if (error != 0 && printk_ratelimit()) {
-		printk(KERN_WARNING "error: reading the clock failed (%d)\n",
+	if (error != 0) {
+		printk_ratelimited(KERN_WARNING
+				   "error: reading the clock failed (%d)\n",
 				   error);
 		return 0;
 	}
@@ -55,18 +57,20 @@ void rtas_get_rtc_time(struct rtc_time *rtc_tm)
 
 		wait_time = rtas_busy_delay_time(error);
 		if (wait_time) {
-			if (in_interrupt() && printk_ratelimit()) {
+			if (in_interrupt()) {
 				memset(rtc_tm, 0, sizeof(struct rtc_time));
-				printk(KERN_WARNING "error: reading clock"
-				       " would delay interrupt\n");
+				printk_ratelimited(KERN_WARNING
+						   "error: reading clock "
+						   "would delay interrupt\n");
 				return;	/* delay not allowed */
 			}
 			msleep(wait_time);
 		}
 	} while (wait_time && (get_tb() < max_wait_tb));
 
-        if (error != 0 && printk_ratelimit()) {
-                printk(KERN_WARNING "error: reading the clock failed (%d)\n",
+	if (error != 0) {
+		printk_ratelimited(KERN_WARNING
+				   "error: reading the clock failed (%d)\n",
 				   error);
 		return;
         }
@@ -99,8 +103,9 @@ int rtas_set_rtc_time(struct rtc_time *tm)
 		}
 	} while (wait_time && (get_tb() < max_wait_tb));
 
-        if (error != 0 && printk_ratelimit())
-                printk(KERN_WARNING "error: setting the clock failed (%d)\n",
+	if (error != 0)
+		printk_ratelimited(KERN_WARNING
+				   "error: setting the clock failed (%d)\n",
 				   error);
 
         return 0;

arch/powerpc/kernel/signal_32.c

@@ -25,6 +25,7 @@
 #include <linux/errno.h>
 #include <linux/elf.h>
 #include <linux/ptrace.h>
+#include <linux/ratelimit.h>
 #ifdef CONFIG_PPC64
 #include <linux/syscalls.h>
 #include <linux/compat.h>
@@ -892,8 +893,9 @@ int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
 	printk("badframe in handle_rt_signal, regs=%p frame=%p newsp=%lx\n",
 	       regs, frame, newsp);
 #endif
-	if (show_unhandled_signals && printk_ratelimit())
-		printk(KERN_INFO "%s[%d]: bad frame in handle_rt_signal32: "
+	if (show_unhandled_signals)
+		printk_ratelimited(KERN_INFO
+				   "%s[%d]: bad frame in handle_rt_signal32: "
 				   "%p nip %08lx lr %08lx\n",
 				   current->comm, current->pid,
 				   addr, regs->nip, regs->link);
@@ -1058,8 +1060,9 @@ long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
 	return 0;
 
  bad:
-	if (show_unhandled_signals && printk_ratelimit())
-		printk(KERN_INFO "%s[%d]: bad frame in sys_rt_sigreturn: "
+	if (show_unhandled_signals)
+		printk_ratelimited(KERN_INFO
+				   "%s[%d]: bad frame in sys_rt_sigreturn: "
 				   "%p nip %08lx lr %08lx\n",
 				   current->comm, current->pid,
 				   rt_sf, regs->nip, regs->link);
@@ -1149,8 +1152,8 @@ int sys_debug_setcontext(struct ucontext __user *ctx,
 	 * We kill the task with a SIGSEGV in this situation.
 	 */
 	if (do_setcontext(ctx, regs, 1)) {
-		if (show_unhandled_signals && printk_ratelimit())
-			printk(KERN_INFO "%s[%d]: bad frame in "
+		if (show_unhandled_signals)
+			printk_ratelimited(KERN_INFO "%s[%d]: bad frame in "
 					   "sys_debug_setcontext: %p nip %08lx "
 					   "lr %08lx\n",
 					   current->comm, current->pid,
@@ -1236,8 +1239,9 @@ int handle_signal32(unsigned long sig, struct k_sigaction *ka,
 	printk("badframe in handle_signal, regs=%p frame=%p newsp=%lx\n",
 	       regs, frame, newsp);
 #endif
-	if (show_unhandled_signals && printk_ratelimit())
-		printk(KERN_INFO "%s[%d]: bad frame in handle_signal32: "
+	if (show_unhandled_signals)
+		printk_ratelimited(KERN_INFO
+				   "%s[%d]: bad frame in handle_signal32: "
 				   "%p nip %08lx lr %08lx\n",
 				   current->comm, current->pid,
 				   frame, regs->nip, regs->link);
@@ -1288,8 +1292,9 @@ long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
 	return 0;
 
 badframe:
-	if (show_unhandled_signals && printk_ratelimit())
-		printk(KERN_INFO "%s[%d]: bad frame in sys_sigreturn: "
+	if (show_unhandled_signals)
+		printk_ratelimited(KERN_INFO
+				   "%s[%d]: bad frame in sys_sigreturn: "
 				   "%p nip %08lx lr %08lx\n",
 				   current->comm, current->pid,
 				   addr, regs->nip, regs->link);

arch/powerpc/kernel/signal_64.c

@@ -24,6 +24,7 @@
 #include <linux/elf.h>
 #include <linux/ptrace.h>
 #include <linux/module.h>
+#include <linux/ratelimit.h>
 
 #include <asm/sigcontext.h>
 #include <asm/ucontext.h>
@@ -380,8 +381,8 @@ int sys_rt_sigreturn(unsigned long r3, unsigned long r4, unsigned long r5,
 	printk("badframe in sys_rt_sigreturn, regs=%p uc=%p &uc->uc_mcontext=%p\n",
 	       regs, uc, &uc->uc_mcontext);
 #endif
-	if (show_unhandled_signals && printk_ratelimit())
-		printk(regs->msr & MSR_64BIT ? fmt64 : fmt32,
+	if (show_unhandled_signals)
+		printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32,
 				   current->comm, current->pid, "rt_sigreturn",
 				   (long)uc, regs->nip, regs->link);
 
@@ -468,8 +469,8 @@ int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info,
 	printk("badframe in setup_rt_frame, regs=%p frame=%p newsp=%lx\n",
 	       regs, frame, newsp);
 #endif
-	if (show_unhandled_signals && printk_ratelimit())
-		printk(regs->msr & MSR_64BIT ? fmt64 : fmt32,
+	if (show_unhandled_signals)
+		printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32,
 				   current->comm, current->pid, "setup_rt_frame",
 				   (long)frame, regs->nip, regs->link);
 

arch/powerpc/kernel/traps.c

@@ -34,6 +34,7 @@
 #include <linux/bug.h>
 #include <linux/kdebug.h>
 #include <linux/debugfs.h>
+#include <linux/ratelimit.h>
 
 #include <asm/emulated_ops.h>
 #include <asm/pgtable.h>
@@ -197,9 +198,8 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
 		if (die("Exception in kernel mode", regs, signr))
 			return;
 	} else if (show_unhandled_signals &&
-		    unhandled_signal(current, signr) &&
-		    printk_ratelimit()) {
-			printk(regs->msr & MSR_64BIT ? fmt64 : fmt32,
+		   unhandled_signal(current, signr)) {
+		printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32,
 				   current->comm, current->pid, signr,
 				   addr, regs->nip, regs->link, code);
 	}
@@ -425,7 +425,7 @@ int machine_check_e500mc(struct pt_regs *regs)
 	unsigned long reason = mcsr;
 	int recoverable = 1;
 
-	if (reason & MCSR_BUS_RBERR) {
+	if (reason & MCSR_LD) {
 		recoverable = fsl_rio_mcheck_exception(regs);
 		if (recoverable == 1)
 			goto silent_out;
@@ -1342,8 +1342,7 @@ void altivec_assist_exception(struct pt_regs *regs)
 	} else {
 		/* didn't recognize the instruction */
 		/* XXX quick hack for now: set the non-Java bit in the VSCR */
-		if (printk_ratelimit())
-			printk(KERN_ERR "Unrecognized altivec instruction "
+		printk_ratelimited(KERN_ERR "Unrecognized altivec instruction "
 				   "in %s at %lx\n", current->comm, regs->nip);
 		current->thread.vscr.u[3] |= 0x10000;
 	}
@@ -1548,8 +1547,7 @@ u32 ppc_warn_emulated;
 
 void ppc_warn_emulated_print(const char *type)
 {
-	if (printk_ratelimit())
-		pr_warning("%s used emulated %s instruction\n", current->comm,
+	pr_warn_ratelimited("%s used emulated %s instruction\n", current->comm,
 			    type);
 }
 

arch/powerpc/mm/fault.c

@@ -31,6 +31,7 @@
 #include <linux/kdebug.h>
 #include <linux/perf_event.h>
 #include <linux/magic.h>
+#include <linux/ratelimit.h>
 
 #include <asm/firmware.h>
 #include <asm/page.h>
@@ -346,9 +347,8 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
 		return 0;
 	}
 
-	if (is_exec && (error_code & DSISR_PROTFAULT)
-	    && printk_ratelimit())
-		printk(KERN_CRIT "kernel tried to execute NX-protected"
+	if (is_exec && (error_code & DSISR_PROTFAULT))
+		printk_ratelimited(KERN_CRIT "kernel tried to execute NX-protected"
 				   " page (%lx) - exploit attempt? (uid: %d)\n",
 				   address, current_uid());
 

arch/powerpc/sysdev/fsl_rio.c

@@ -283,10 +283,12 @@ static void __iomem *rio_regs_win;
 #ifdef CONFIG_E500
 int fsl_rio_mcheck_exception(struct pt_regs *regs)
 {
-	const struct exception_table_entry *entry = NULL;
-	unsigned long reason = mfspr(SPRN_MCSR);
+	const struct exception_table_entry *entry;
+	unsigned long reason;
+
+	if (!rio_regs_win)
+		return 0;
 
-	if (reason & MCSR_BUS_RBERR) {
 	reason = in_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR));
 	if (reason & (RIO_LTLEDCSR_IER | RIO_LTLEDCSR_PRT)) {
 		/* Check if we are prepared to handle this fault */
@@ -301,7 +303,6 @@ int fsl_rio_mcheck_exception(struct pt_regs *regs)
 			return 1;
 		}
 	}
-	}
 
 	return 0;
 }

arch/powerpc/sysdev/mpic.c

@@ -29,6 +29,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/syscore_ops.h>
+#include <linux/ratelimit.h>
 
 #include <asm/ptrace.h>
 #include <asm/signal.h>
@@ -1648,8 +1649,7 @@ static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg)
 		return NO_IRQ;
 	}
 	if (unlikely(mpic->protected && test_bit(src, mpic->protected))) {
-		if (printk_ratelimit())
-			printk(KERN_WARNING "%s: Got protected source %d !\n",
+		printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n",
 				   mpic->name, (int)src);
 		mpic_eoi(mpic);
 		return NO_IRQ;
@@ -1688,8 +1688,7 @@ unsigned int mpic_get_coreint_irq(void)
 		return NO_IRQ;
 	}
 	if (unlikely(mpic->protected && test_bit(src, mpic->protected))) {
-		if (printk_ratelimit())
-			printk(KERN_WARNING "%s: Got protected source %d !\n",
+		printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n",
 				   mpic->name, (int)src);
 		return NO_IRQ;
 	}

drivers/mtd/nand/fsl_elbc_nand.c

@@ -339,9 +339,9 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command,
 		                    (FIR_OP_UA  << FIR_OP1_SHIFT) |
 		                    (FIR_OP_RBW << FIR_OP2_SHIFT));
 		out_be32(&lbc->fcr, NAND_CMD_READID << FCR_CMD0_SHIFT);
-		/* 5 bytes for manuf, device and exts */
-		out_be32(&lbc->fbcr, 5);
-		elbc_fcm_ctrl->read_bytes = 5;
+		/* nand_get_flash_type() reads 8 bytes of entire ID string */
+		out_be32(&lbc->fbcr, 8);
+		elbc_fcm_ctrl->read_bytes = 8;
 		elbc_fcm_ctrl->use_mdr = 1;
 		elbc_fcm_ctrl->mdr = 0;