Merge tag 'blackfin-for-linus' of...

Merge tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux

Pull blackfin updates from Steven Miao:
 "Some minor changes and bug fixes"

* tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux:
  From: Eunbong Song <eunb.song@samsung.com>
  Add platfrom device resource for bfin-sport on bf533 stamp
  fix build error for bf527-ezkit_defconfig for old silicon
  blackfin: Support L1 SRAM parity checking feature on bf60x
  blackfin: bf609: update the anomaly list to Nov 2013
  blackfin: delete non-required instances of <linux/init.h>
  From: Paul Walmsley <pwalmsley@nvidia.com>
  06/18] smp, blackfin: kill SMP single function call interrupt
  arch: blackfin: uapi: be sure of "_UAPI" prefix for all guard macros

arch/blackfin/configs/BF527-EZKIT_defconfig

@@ -146,6 +146,7 @@ CONFIG_USB_DEVICEFS=y
 CONFIG_USB_OTG_BLACKLIST_HUB=y
 CONFIG_USB_MON=y
 CONFIG_USB_MUSB_HDRC=y
+CONFIG_MUSB_PIO_ONLY=y
 CONFIG_USB_MUSB_BLACKFIN=y
 CONFIG_MUSB_PIO_ONLY=y
 CONFIG_USB_STORAGE=y

arch/blackfin/configs/BF538-EZKIT_defconfig

@@ -59,7 +59,6 @@ CONFIG_BFIN_SIR=m
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_FW_LOADER is not set
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_CHAR=m
 CONFIG_MTD_BLOCK=y

arch/blackfin/configs/BF561-ACVILON_defconfig

@@ -49,7 +49,6 @@ CONFIG_SYN_COOKIES=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_FW_LOADER is not set
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y

arch/blackfin/configs/BlackStamp_defconfig

@@ -44,7 +44,6 @@ CONFIG_IP_PNP=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_FW_LOADER is not set
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_CHAR=m
 CONFIG_MTD_BLOCK=y

arch/blackfin/configs/CM-BF533_defconfig

@@ -36,7 +36,6 @@ CONFIG_UNIX=y
 # CONFIG_WIRELESS is not set
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y

arch/blackfin/configs/CM-BF548_defconfig

@@ -53,7 +53,6 @@ CONFIG_INET_XFRM_MODE_BEET=m
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_FW_LOADER is not set
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y

arch/blackfin/configs/CM-BF561_defconfig

@@ -51,7 +51,6 @@ CONFIG_INET=y
 # CONFIG_WIRELESS is not set
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y

arch/blackfin/configs/DNP5370_defconfig

@@ -36,7 +36,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_MTD=y
 CONFIG_MTD_DEBUG=y
 CONFIG_MTD_DEBUG_VERBOSE=1
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y
 CONFIG_NFTL=y

arch/blackfin/configs/H8606_defconfig

@@ -36,7 +36,6 @@ CONFIG_IRTTY_SIR=m
 # CONFIG_WIRELESS is not set
 # CONFIG_FW_LOADER is not set
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_RAM=y

arch/blackfin/configs/IP0X_defconfig

@@ -43,7 +43,6 @@ CONFIG_IP_NF_TARGET_REJECT=y
 CONFIG_IP_NF_MANGLE=y
 # CONFIG_WIRELESS is not set
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_CFI=y

arch/blackfin/configs/PNAV-10_defconfig

@@ -46,7 +46,6 @@ CONFIG_IP_PNP=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_FW_LOADER is not set
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CHAR=m
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_RAM=y

arch/blackfin/configs/SRV1_defconfig

@@ -38,7 +38,6 @@ CONFIG_IRTTY_SIR=m
 # CONFIG_WIRELESS is not set
 # CONFIG_FW_LOADER is not set
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CHAR=m
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_JEDECPROBE=m

arch/blackfin/configs/TCM-BF518_defconfig

@@ -54,7 +54,6 @@ CONFIG_IP_PNP=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_FW_LOADER is not set
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y

arch/blackfin/include/asm/def_LPBlackfin.h

@@ -544,6 +544,7 @@ do { \
 #define DCBS_P			0x04	/* L1 Data Cache Bank Select */
 #define PORT_PREF0_P		0x12	/* DAG0 Port Preference */
 #define PORT_PREF1_P		0x13	/* DAG1 Port Preference */
+#define RDCHK			0x9	/* Enable L1 Parity Check */
 
 /* Masks */
 #define ENDM               0x00000001	/* (doesn't really exist) Enable

arch/blackfin/include/uapi/asm/byteorder.h

+#ifndef _UAPI__BFIN_ASM_BYTEORDER_H
+#define _UAPI__BFIN_ASM_BYTEORDER_H
+
 #include <linux/byteorder/little_endian.h>
+
+#endif /* _UAPI__BFIN_ASM_BYTEORDER_H */

arch/blackfin/include/uapi/asm/cachectl.h

@@ -7,8 +7,8 @@
  * Licensed under the GPL-2 or later.
  */
 
-#ifndef	_ASM_CACHECTL
-#define	_ASM_CACHECTL
+#ifndef _UAPI_ASM_CACHECTL
+#define _UAPI_ASM_CACHECTL
 
 /*
  * Options for cacheflush system call
@@ -17,4 +17,4 @@
 #define	DCACHE	(1<<1)		/* writeback and flush data cache */
 #define	BCACHE	(ICACHE|DCACHE)	/* flush both caches              */
 
-#endif	/* _ASM_CACHECTL */
+#endif /* _UAPI_ASM_CACHECTL */

arch/blackfin/include/uapi/asm/fcntl.h

@@ -4,8 +4,8 @@
  * Licensed under the GPL-2 or later.
  */
 
-#ifndef _BFIN_FCNTL_H
-#define _BFIN_FCNTL_H
+#ifndef _UAPI_BFIN_FCNTL_H
+#define _UAPI_BFIN_FCNTL_H
 
 #define O_DIRECTORY	 040000	/* must be a directory */
 #define O_NOFOLLOW	0100000	/* don't follow links */
@@ -14,4 +14,4 @@
 
 #include <asm-generic/fcntl.h>
 
-#endif
+#endif /* _UAPI_BFIN_FCNTL_H */

arch/blackfin/include/uapi/asm/ioctls.h

-#ifndef __ARCH_BFIN_IOCTLS_H__
-#define __ARCH_BFIN_IOCTLS_H__
+#ifndef _UAPI__ARCH_BFIN_IOCTLS_H__
+#define _UAPI__ARCH_BFIN_IOCTLS_H__
 
 #define FIOQSIZE	0x545E
 #include <asm-generic/ioctls.h>
 
-#endif
+#endif /* _UAPI__ARCH_BFIN_IOCTLS_H__ */

arch/blackfin/include/uapi/asm/poll.h

@@ -5,12 +5,12 @@
  *
  */
 
-#ifndef __BFIN_POLL_H
-#define __BFIN_POLL_H
+#ifndef _UAPI__BFIN_POLL_H
+#define _UAPI__BFIN_POLL_H
 
 #define POLLWRNORM	4 /* POLLOUT */
 #define POLLWRBAND	256
 
 #include <asm-generic/poll.h>
 
-#endif
+#endif /* _UAPI__BFIN_POLL_H */

arch/blackfin/include/uapi/asm/posix_types.h

@@ -4,8 +4,8 @@
  * Licensed under the GPL-2 or later.
  */
 
-#ifndef __ARCH_BFIN_POSIX_TYPES_H
-#define __ARCH_BFIN_POSIX_TYPES_H
+#ifndef _UAPI__ARCH_BFIN_POSIX_TYPES_H
+#define _UAPI__ARCH_BFIN_POSIX_TYPES_H
 
 typedef unsigned short __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
@@ -27,4 +27,4 @@ typedef unsigned short __kernel_old_dev_t;
 
 #include <asm-generic/posix_types.h>
 
-#endif
+#endif /* _UAPI__ARCH_BFIN_POSIX_TYPES_H */

arch/blackfin/include/uapi/asm/sigcontext.h

@@ -4,8 +4,8 @@
  * Licensed under the GPL-2 or later.
  */
 
-#ifndef _ASM_BLACKFIN_SIGCONTEXT_H
-#define _ASM_BLACKFIN_SIGCONTEXT_H
+#ifndef _UAPI_ASM_BLACKFIN_SIGCONTEXT_H
+#define _UAPI_ASM_BLACKFIN_SIGCONTEXT_H
 
 /* Add new entries at the end of the structure only.  */
 struct sigcontext {
@@ -58,4 +58,4 @@ struct sigcontext {
 	unsigned long sc_seqstat;
 };
 
-#endif
+#endif /* _UAPI_ASM_BLACKFIN_SIGCONTEXT_H */

arch/blackfin/include/uapi/asm/siginfo.h

@@ -4,8 +4,8 @@
  * Licensed under the GPL-2 or later.
  */
 
-#ifndef _BFIN_SIGINFO_H
-#define _BFIN_SIGINFO_H
+#ifndef _UAPI_BFIN_SIGINFO_H
+#define _UAPI_BFIN_SIGINFO_H
 
 #include <linux/types.h>
 #include <asm-generic/siginfo.h>
@@ -38,4 +38,4 @@
  */
 #define SEGV_STACKFLOW	(__SI_FAULT|3)	/* stack overflow */
 
-#endif
+#endif /* _UAPI_BFIN_SIGINFO_H */

arch/blackfin/include/uapi/asm/signal.h

-#ifndef _BLACKFIN_SIGNAL_H
-#define _BLACKFIN_SIGNAL_H
+#ifndef _UAPI_BLACKFIN_SIGNAL_H
+#define _UAPI_BLACKFIN_SIGNAL_H
 
 #define SA_RESTORER 0x04000000
 #include <asm-generic/signal.h>
 
-#endif
+#endif /* _UAPI_BLACKFIN_SIGNAL_H */

arch/blackfin/include/uapi/asm/stat.h

@@ -4,8 +4,8 @@
  * Licensed under the GPL-2.
  */
 
-#ifndef _BFIN_STAT_H
-#define _BFIN_STAT_H
+#ifndef _UAPI_BFIN_STAT_H
+#define _UAPI_BFIN_STAT_H
 
 struct stat {
 	unsigned short st_dev;
@@ -66,4 +66,4 @@ struct stat64 {
 	unsigned long long st_ino;
 };
 
-#endif				/* _BFIN_STAT_H */
+#endif /* _UAPI_BFIN_STAT_H */

arch/blackfin/include/uapi/asm/swab.h

@@ -4,8 +4,8 @@
  * Licensed under the GPL-2 or later.
  */
 
-#ifndef _BLACKFIN_SWAB_H
-#define _BLACKFIN_SWAB_H
+#ifndef _UAPI_BLACKFIN_SWAB_H
+#define _UAPI_BLACKFIN_SWAB_H
 
 #include <linux/types.h>
 #include <asm-generic/swab.h>
@@ -47,4 +47,4 @@ static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 xx)
 
 #endif /* __GNUC__ */
 
-#endif				/* _BLACKFIN_SWAB_H */
+#endif /* _UAPI_BLACKFIN_SWAB_H */

arch/blackfin/mach-bf533/boards/stamp.c

@@ -370,7 +370,8 @@ static struct platform_device bfin_sir0_device = {
 #endif
 #endif
 
-#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#if defined(CONFIG_SERIAL_BFIN_SPORT) || \
+	defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 static struct resource bfin_sport0_uart_resources[] = {
 	{
@@ -441,6 +442,50 @@ static struct platform_device bfin_sport1_uart_device = {
 #endif
 #endif
 
+#if defined(CONFIG_BFIN_SPORT) || defined(CONFIG_BFIN_SPORT_MODULE)
+static struct resource bfin_sport0_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_TX,
+		.end = IRQ_SPORT0_TX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_SPORT0_TX,
+		.end = CH_SPORT0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_SPORT0_RX,
+		.end = CH_SPORT0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+static struct platform_device bfin_sport0_device = {
+	.name = "bfin_sport_raw",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_resources),
+	.resource = bfin_sport0_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals,
+	},
+};
+#endif
+
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 #include <linux/input.h>
 #include <linux/gpio_keys.h>

arch/blackfin/mach-bf609/Kconfig

@@ -17,6 +17,12 @@ config SEC_IRQ_PRIORITY_LEVELS
 	  Divide the total number of interrupt priority levels into sub-levels.
 	  There is 2 ^ (SEC_IRQ_PRIORITY_LEVELS + 1) different levels.
 
+config L1_PARITY_CHECK
+	bool "Enable L1 parity check"
+	default n
+	help
+	  Enable the L1 parity check in L1 sram. A fault event is raised
+	  when L1 parity error is found.
 
 comment "System Cross Bar Priority Assignment"
 

arch/blackfin/mach-bf609/clock.c

@@ -120,6 +120,7 @@ void clk_disable(struct clk *clk)
 }
 EXPORT_SYMBOL(clk_disable);
 
+
 unsigned long clk_get_rate(struct clk *clk)
 {
 	unsigned long ret = 0;
@@ -131,7 +132,7 @@ EXPORT_SYMBOL(clk_get_rate);
 
 long clk_round_rate(struct clk *clk, unsigned long rate)
 {
-	long ret = -EIO;
+	long ret = 0;
 	if (clk->ops && clk->ops->round_rate)
 		ret = clk->ops->round_rate(clk, rate);
 	return ret;

arch/blackfin/mach-bf609/include/mach/anomaly.h

@@ -23,11 +23,11 @@
 /* TRU_STAT.ADDRERR and TRU_ERRADDR.ADDR May Not Reflect the Correct Status */
 #define ANOMALY_16000003 (1)
 /* The EPPI Data Enable (DEN) Signal is Not Functional */
-#define ANOMALY_16000004 (1)
+#define ANOMALY_16000004 (__SILICON_REVISION__ < 1)
 /* Using L1 Instruction Cache with Parity Enabled is Unreliable */
-#define ANOMALY_16000005 (1)
+#define ANOMALY_16000005 (__SILICON_REVISION__ < 1)
 /* SEQSTAT.SYSNMI Clears Upon Entering the NMI ISR */
-#define ANOMALY_16000006 (1)
+#define ANOMALY_16000006 (__SILICON_REVISION__ < 1)
 /* DDR2 Memory Reads May Fail Intermittently */
 #define ANOMALY_16000007 (1)
 /* Instruction Memory Stalls Can Cause IFLUSH to Fail */
@@ -49,19 +49,53 @@
 /* Speculative Fetches Can Cause Undesired External FIFO Operations */
 #define ANOMALY_16000017 (1)
 /* RSI Boot Cleanup Routine Does Not Clear Registers */
-#define ANOMALY_16000018 (1)
+#define ANOMALY_16000018 (__SILICON_REVISION__ < 1)
 /* SPI Master Boot Device Auto-detection Frequency is Set Incorrectly */
-#define ANOMALY_16000019 (1)
+#define ANOMALY_16000019 (__SILICON_REVISION__ < 1)
 /* rom_SysControl() Fails to Set DDR0_CTL.INIT for Wakeup From Hibernate */
-#define ANOMALY_16000020 (1)
+#define ANOMALY_16000020 (__SILICON_REVISION__ < 1)
 /* rom_SysControl() Fails to Save and Restore DDR0_PHYCTL3 for Hibernate/Wakeup Sequence */
-#define ANOMALY_16000021 (1)
+#define ANOMALY_16000021 (__SILICON_REVISION__ < 1)
 /* Boot Code Fails to Enable Parity Fault Detection */
-#define ANOMALY_16000022 (1)
+#define ANOMALY_16000022 (__SILICON_REVISION__ < 1)
+/* Rom_SysControl Does not Update CGU0_CLKOUTSEL */
+#define ANOMALY_16000023 (__SILICON_REVISION__ < 1)
+/* Spurious Fault Signaled After Clearing an Externally Generated Fault */
+#define ANOMALY_16000024 (1)
+/* SPORT May Drive Data Pins During Inactive Channels in Multichannel Mode */
+#define ANOMALY_16000025 (1)
 /* USB DMA interrupt status do not show the DMA channel interrupt in the DMA ISR */
-#define ANOMALY_16000027 (1)
+#define ANOMALY_16000027 (__SILICON_REVISION__ < 1)
+/* Default SPI Master Boot Mode Setting is Incorrect */
+#define ANOMALY_16000028 (__SILICON_REVISION__ < 1)
+/* PPI tDFSPI Timing Does Not Meet Data Sheet Specification */
+#define ANOMALY_16000027 (__SILICON_REVISION__ < 1)
 /* Interrupted Core Reads of MMRs May Cause Data Loss */
-#define ANOMALY_16000030 (1)
+#define ANOMALY_16000030 (__SILICON_REVISION__ < 1)
+/* Incorrect Default USB_PLL_OSC.PLLM Value */
+#define ANOMALY_16000031 (__SILICON_REVISION__ < 1)
+/* Core Reads of System MMRs May Cause the Core to Hang */
+#define ANOMALY_16000032 (__SILICON_REVISION__ < 1)
+/* PPI Data Underflow on First Word Not Reported in Certain Modes */
+#define ANOMALY_16000033 (1)
+/* CNV1 Red Pixel Substitution feature not functional in the PVP */
+#define ANOMALY_16000034 (__SILICON_REVISION__ < 1)
+/* IPF0 Output Port Color Separation feature not functional */
+#define ANOMALY_16000035 (__SILICON_REVISION__ < 1)
+/* Spurious USB Wake From Hibernate May Occur When USB_VBUS is Low */
+#define ANOMALY_16000036 (__SILICON_REVISION__ < 1)
+/* Core RAISE 2 Instruction Not Latched When Executed at Priority Level 0, 1, or 2 */
+#define ANOMALY_16000037 (__SILICON_REVISION__ < 1)
+/* Spurious Unhandled NMI or L1 Memory Parity Error Interrupt May Occur Upon Entering the NMI ISR */
+#define ANOMALY_16000038 (__SILICON_REVISION__ < 1)
+/* CGU_STAT.PLOCKERR Bit May be Unreliable */
+#define ANOMALY_16000039 (1)
+/* JTAG Emulator Reads of SDU_IDCODE Alter Register Contents */
+#define ANOMALY_16000040 (1)
+/* IFLUSH Instruction Causes Parity Error When Parity Is Enabled */
+#define ANOMALY_16000041 (1)
+/* Instruction Cache Failure When Parity Is Enabled */
+#define ANOMALY_16000042 (__SILICON_REVISION__ == 1)
 
 /* Anomalies that don't exist on this proc */
 #define ANOMALY_05000158 (0)

arch/blackfin/mach-common/cache-c.c

@@ -6,7 +6,6 @@
  * Licensed under the GPL-2 or later.
  */
 
-#include <linux/init.h>
 #include <asm/blackfin.h>
 #include <asm/cplbinit.h>
 
@@ -42,6 +41,16 @@ bfin_cache_init(struct cplb_entry *cplb_tbl, unsigned long cplb_addr,
                 unsigned long mem_mask)
 {
 	int i;
+#ifdef CONFIG_L1_PARITY_CHECK
+	u32 ctrl;
+
+	if (cplb_addr == DCPLB_ADDR0) {
+		ctrl = bfin_read32(mem_control) | (1 << RDCHK);
+		CSYNC();
+		bfin_write32(mem_control, ctrl);
+		SSYNC();
+	}
+#endif
 
 	for (i = 0; i < MAX_CPLBS; i++) {
 		bfin_write32(cplb_addr + i * 4, cplb_tbl[i].addr);

arch/blackfin/mach-common/clocks-init.c

@@ -7,7 +7,6 @@
  */
 
 #include <linux/linkage.h>
-#include <linux/init.h>
 #include <asm/blackfin.h>
 
 #include <asm/dma.h>

arch/blackfin/mach-common/ints-priority.c

@@ -471,13 +471,8 @@ void handle_sec_ssi_fault(uint32_t gstat)
 
 }
 
-void handle_sec_fault(unsigned int irq, struct irq_desc *desc)
+void handle_sec_fault(uint32_t sec_gstat)
 {
-	uint32_t sec_gstat;
-
-	raw_spin_lock(&desc->lock);
-
-	sec_gstat = bfin_read32(SEC_GSTAT);
 	if (sec_gstat & SEC_GSTAT_ERR) {
 
 		switch (sec_gstat & SEC_GSTAT_ERRC) {
@@ -494,18 +489,16 @@ void handle_sec_fault(unsigned int irq, struct irq_desc *desc)
 
 
 	}
-
-	raw_spin_unlock(&desc->lock);
-
-	handle_fasteoi_irq(irq, desc);
 }
 
-void handle_core_fault(unsigned int irq, struct irq_desc *desc)
+static struct irqaction bfin_fault_irq = {
+	.name = "Blackfin fault",
+};
+
+static irqreturn_t bfin_fault_routine(int irq, void *data)
 {
 	struct pt_regs *fp = get_irq_regs();
 
-	raw_spin_lock(&desc->lock);
-
 	switch (irq) {
 	case IRQ_C0_DBL_FAULT:
 		double_fault_c(fp);
@@ -522,11 +515,15 @@ void handle_core_fault(unsigned int irq, struct irq_desc *desc)
 	case IRQ_C0_NMI_L1_PARITY_ERR:
 		panic("Core 0 NMI L1 parity error");
 		break;
+	case IRQ_SEC_ERR:
+		pr_err("SEC error\n");
+		handle_sec_fault(bfin_read32(SEC_GSTAT));
+		break;
 	default:
-		panic("Core 1 fault %d occurs unexpectedly", irq);
+		panic("Unknown fault %d", irq);
 	}
 
-	raw_spin_unlock(&desc->lock);
+	return IRQ_HANDLED;
 }
 #endif /* SEC_GCTL */
 
@@ -1195,12 +1192,7 @@ int __init init_arch_irq(void)
 				handle_percpu_irq);
 		} else {
 			irq_set_chip(irq, &bfin_sec_irqchip);
-			if (irq == IRQ_SEC_ERR)
-				irq_set_handler(irq, handle_sec_fault);
-			else if (irq >= IRQ_C0_DBL_FAULT && irq < CORE_IRQS)
-				irq_set_handler(irq, handle_core_fault);
-			else
-				irq_set_handler(irq, handle_fasteoi_irq);
+			irq_set_handler(irq, handle_fasteoi_irq);
 			__irq_set_preflow_handler(irq, bfin_sec_preflow_handler);
 		}
 	}
@@ -1239,6 +1231,13 @@ int __init init_arch_irq(void)
 	register_syscore_ops(&sec_pm_syscore_ops);
 #endif
 
+	bfin_fault_irq.handler = bfin_fault_routine;
+#ifdef CONFIG_L1_PARITY_CHECK
+	setup_irq(IRQ_C0_NMI_L1_PARITY_ERR, &bfin_fault_irq);
+#endif
+	setup_irq(IRQ_C0_DBL_FAULT, &bfin_fault_irq);
+	setup_irq(IRQ_SEC_ERR, &bfin_fault_irq);
+
 	return 0;
 }
 

arch/blackfin/mach-common/scb-init.c

@@ -6,7 +6,6 @@
  * Licensed under the GPL-2 or later.
  */
 
-#include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <asm/scb.h>

arch/blackfin/mach-common/smp.c

@@ -53,7 +53,6 @@ enum ipi_message_type {
 	BFIN_IPI_TIMER,
 	BFIN_IPI_RESCHEDULE,
 	BFIN_IPI_CALL_FUNC,
-	BFIN_IPI_CALL_FUNC_SINGLE,
 	BFIN_IPI_CPU_STOP,
 };
 
@@ -162,9 +161,6 @@ static irqreturn_t ipi_handler_int1(int irq, void *dev_instance)
 			case BFIN_IPI_CALL_FUNC:
 				generic_smp_call_function_interrupt();
 				break;
-			case BFIN_IPI_CALL_FUNC_SINGLE:
-				generic_smp_call_function_single_interrupt();
-				break;
 			case BFIN_IPI_CPU_STOP:
 				ipi_cpu_stop(cpu);
 				break;
@@ -210,7 +206,7 @@ void send_ipi(const struct cpumask *cpumask, enum ipi_message_type msg)
 
 void arch_send_call_function_single_ipi(int cpu)
 {
-	send_ipi(cpumask_of(cpu), BFIN_IPI_CALL_FUNC_SINGLE);
+	send_ipi(cpumask_of(cpu), BFIN_IPI_CALL_FUNC);
 }
 
 void arch_send_call_function_ipi_mask(const struct cpumask *mask)