Merge branch 'linus' into stackprotector

Conflicts:
	arch/x86/include/asm/pda.h
	kernel/fork.c

41 files changed, 262 insertions, 208 deletions

diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 8102c79aaa9..29e71ed6b8a 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -64,8 +64,11 @@ config HARDWARE_PM
 	depends on OPROFILE
 
 source "init/Kconfig"
+
 source "kernel/Kconfig.preempt"
 
+source "kernel/Kconfig.freezer"
+
 menu "Blackfin Processor Options"
 
 comment "Processor and Board Settings"
diff --git a/arch/blackfin/boot/Makefile b/arch/blackfin/boot/Makefile
index 522f3c12406..e028d13481a 100644
--- a/arch/blackfin/boot/Makefile
+++ b/arch/blackfin/boot/Makefile
@@ -25,7 +25,7 @@ $(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
 
 $(obj)/vmImage: $(obj)/vmlinux.gz
 	$(call if_changed,uimage)
-	@echo 'Kernel: $@ is ready'
+	@$(kecho) 'Kernel: $@ is ready'
 
 install:
 	sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"
diff --git a/arch/blackfin/configs/BF526-EZBRD_defconfig b/arch/blackfin/configs/BF526-EZBRD_defconfig
index c33bf6f8381..4443a47e516 100644
--- a/arch/blackfin/configs/BF526-EZBRD_defconfig
+++ b/arch/blackfin/configs/BF526-EZBRD_defconfig
@@ -748,7 +748,7 @@ CONFIG_BFIN_OTP=y
 #
 # CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
-CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
diff --git a/arch/blackfin/configs/BF527-EZKIT_defconfig b/arch/blackfin/configs/BF527-EZKIT_defconfig
index 66854a83c0d..4a2a660a6b3 100644
--- a/arch/blackfin/configs/BF527-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF527-EZKIT_defconfig
@@ -772,7 +772,7 @@ CONFIG_UNIX98_PTYS=y
 #
 # CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
-CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM is not set
 # CONFIG_GEN_RTC is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
diff --git a/arch/blackfin/configs/BF533-EZKIT_defconfig b/arch/blackfin/configs/BF533-EZKIT_defconfig
index 6bc11db1269..deeb5e45eff 100644
--- a/arch/blackfin/configs/BF533-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF533-EZKIT_defconfig
@@ -674,7 +674,7 @@ CONFIG_UNIX98_PTYS=y
 #
 # CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
-CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM is not set
 # CONFIG_GEN_RTC is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
@@ -740,7 +740,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
+# CONFIG_DAB is not set
 
 #
 # Graphics support
diff --git a/arch/blackfin/configs/BF533-STAMP_defconfig b/arch/blackfin/configs/BF533-STAMP_defconfig
index d77d991a1f6..c23267ed880 100644
--- a/arch/blackfin/configs/BF533-STAMP_defconfig
+++ b/arch/blackfin/configs/BF533-STAMP_defconfig
@@ -681,7 +681,7 @@ CONFIG_UNIX98_PTYS=y
 #
 # CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
-CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM is not set
 # CONFIG_GEN_RTC is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
diff --git a/arch/blackfin/configs/BF537-STAMP_defconfig b/arch/blackfin/configs/BF537-STAMP_defconfig
index 5fd7c4b143d..63a0f854745 100644
--- a/arch/blackfin/configs/BF537-STAMP_defconfig
+++ b/arch/blackfin/configs/BF537-STAMP_defconfig
@@ -731,7 +731,7 @@ CONFIG_CAN4LINUX=y
 # CONFIG_CAN_UNCTWINCAN is not set
 CONFIG_CAN_BLACKFIN=m
 # CONFIG_IPMI_HANDLER is not set
-CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM is not set
 # CONFIG_GEN_RTC is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
@@ -871,7 +871,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
+# CONFIG_DAB is not set
 
 #
 # Graphics support
diff --git a/arch/blackfin/configs/BF548-EZKIT_defconfig b/arch/blackfin/configs/BF548-EZKIT_defconfig
index 390669e8668..bf63660815b 100644
--- a/arch/blackfin/configs/BF548-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF548-EZKIT_defconfig
@@ -855,7 +855,7 @@ CONFIG_UNIX98_PTYS=y
 #
 # CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
-CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM is not set
 # CONFIG_GEN_RTC is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
@@ -1001,7 +1001,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
+# CONFIG_DAB is not set
 # CONFIG_USB_DABUSB is not set
 
 #
diff --git a/arch/blackfin/configs/BF561-EZKIT_defconfig b/arch/blackfin/configs/BF561-EZKIT_defconfig
index 976a4d7ba17..3c70d6230a1 100644
--- a/arch/blackfin/configs/BF561-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF561-EZKIT_defconfig
@@ -719,7 +719,7 @@ CONFIG_UNIX98_PTYS=y
 #
 # CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
-CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM is not set
 # CONFIG_GEN_RTC is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
@@ -785,7 +785,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
+# CONFIG_DAB is not set
 
 #
 # Graphics support
diff --git a/arch/blackfin/configs/CM-BF527_defconfig b/arch/blackfin/configs/CM-BF527_defconfig
index 0799aa9bba9..b6a14635fb9 100644
--- a/arch/blackfin/configs/CM-BF527_defconfig
+++ b/arch/blackfin/configs/CM-BF527_defconfig
@@ -679,7 +679,7 @@ CONFIG_UNIX98_PTYS=y
 #
 # CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
-CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM is not set
 # CONFIG_GEN_RTC is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
diff --git a/arch/blackfin/configs/CM-BF533_defconfig b/arch/blackfin/configs/CM-BF533_defconfig
index 09deea44480..c3ba9066b93 100644
--- a/arch/blackfin/configs/CM-BF533_defconfig
+++ b/arch/blackfin/configs/CM-BF533_defconfig
@@ -672,7 +672,7 @@ CONFIG_HWMON=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
+# CONFIG_DAB is not set
 
 #
 # Graphics support
diff --git a/arch/blackfin/configs/CM-BF537E_defconfig b/arch/blackfin/configs/CM-BF537E_defconfig
index 219fc345a5f..cdc6b7feb59 100644
--- a/arch/blackfin/configs/CM-BF537E_defconfig
+++ b/arch/blackfin/configs/CM-BF537E_defconfig
@@ -703,7 +703,7 @@ CONFIG_HWMON=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
+# CONFIG_DAB is not set
 
 #
 # Graphics support
diff --git a/arch/blackfin/configs/CM-BF537U_defconfig b/arch/blackfin/configs/CM-BF537U_defconfig
index 9873d586fc7..f074bdcd1ce 100644
--- a/arch/blackfin/configs/CM-BF537U_defconfig
+++ b/arch/blackfin/configs/CM-BF537U_defconfig
@@ -683,7 +683,7 @@ CONFIG_HWMON=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
+# CONFIG_DAB is not set
 
 #
 # Graphics support
diff --git a/arch/blackfin/configs/CM-BF548_defconfig b/arch/blackfin/configs/CM-BF548_defconfig
index 0e3605fdb7b..5c44fdb8e6e 100644
--- a/arch/blackfin/configs/CM-BF548_defconfig
+++ b/arch/blackfin/configs/CM-BF548_defconfig
@@ -762,7 +762,7 @@ CONFIG_UNIX98_PTYS=y
 #
 # CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
-CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM is not set
 # CONFIG_GEN_RTC is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
@@ -909,7 +909,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
+# CONFIG_DAB is not set
 # CONFIG_USB_DABUSB is not set
 
 #
diff --git a/arch/blackfin/configs/CM-BF561_defconfig b/arch/blackfin/configs/CM-BF561_defconfig
index 59c7cdbee90..086fe5dda49 100644
--- a/arch/blackfin/configs/CM-BF561_defconfig
+++ b/arch/blackfin/configs/CM-BF561_defconfig
@@ -684,7 +684,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
+# CONFIG_DAB is not set
 
 #
 # Graphics support
diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h
index 56dcb0a2d24..77295666c34 100644
--- a/arch/blackfin/include/asm/bfin-global.h
+++ b/arch/blackfin/include/asm/bfin-global.h
@@ -101,7 +101,7 @@ extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
 extern unsigned long _ramstart, _ramend, _rambase;
 extern unsigned long memory_start, memory_end, physical_mem_end;
 extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[],
-	_ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _ebss_b_l1[],
+	_ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _sbss_b_l1[], _ebss_b_l1[],
 	_stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[],
 	_ebss_l2[], _l2_lma_start[];
 
diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h
index 5ef9e35e9c3..4403415583f 100644
--- a/arch/blackfin/include/asm/cacheflush.h
+++ b/arch/blackfin/include/asm/cacheflush.h
@@ -30,11 +30,11 @@
 #ifndef _BLACKFIN_CACHEFLUSH_H
 #define _BLACKFIN_CACHEFLUSH_H
 
-extern void blackfin_icache_dcache_flush_range(unsigned int, unsigned int);
-extern void blackfin_icache_flush_range(unsigned int, unsigned int);
-extern void blackfin_dcache_flush_range(unsigned int, unsigned int);
-extern void blackfin_dcache_invalidate_range(unsigned int, unsigned int);
-extern void blackfin_dflush_page(void *);
+extern void blackfin_icache_dcache_flush_range(unsigned long start_address, unsigned long end_address);
+extern void blackfin_icache_flush_range(unsigned long start_address, unsigned long end_address);
+extern void blackfin_dcache_flush_range(unsigned long start_address, unsigned long end_address);
+extern void blackfin_dcache_invalidate_range(unsigned long start_address, unsigned long end_address);
+extern void blackfin_dflush_page(void *page);
 
 #define flush_dcache_mmap_lock(mapping)		do { } while (0)
 #define flush_dcache_mmap_unlock(mapping)	do { } while (0)
@@ -85,4 +85,21 @@ do { memcpy(dst, src, len); \
 # define flush_dcache_page(page)			do { } while (0)
 #endif
 
+extern unsigned long reserved_mem_dcache_on;
+extern unsigned long reserved_mem_icache_on;
+
+static inline int bfin_addr_dcachable(unsigned long addr)
+{
+#ifdef CONFIG_BFIN_DCACHE
+	if (addr < (_ramend - DMA_UNCACHED_REGION))
+		return 1;
+#endif
+
+	if (reserved_mem_dcache_on &&
+		addr >= _ramend && addr < physical_mem_end)
+		return 1;
+
+	return 0;
+}
+
 #endif				/* _BLACKFIN_ICACHEFLUSH_H */
diff --git a/arch/blackfin/include/asm/cplbinit.h b/arch/blackfin/include/asm/cplbinit.h
index d179b747ff0..f845b41147b 100644
--- a/arch/blackfin/include/asm/cplbinit.h
+++ b/arch/blackfin/include/asm/cplbinit.h
@@ -87,23 +87,6 @@ extern u_long dpdt_swapcount_table[];
 
 #endif /* CONFIG_MPU */
 
-extern unsigned long reserved_mem_dcache_on;
-extern unsigned long reserved_mem_icache_on;
-
 extern void generate_cplb_tables(void);
 
-static inline int bfin_addr_dcachable(unsigned long addr)
-{
-#ifdef CONFIG_BFIN_DCACHE
-	if (addr < (_ramend - DMA_UNCACHED_REGION))
-		return 1;
-#endif
-
-	if (reserved_mem_dcache_on &&
-		addr >= _ramend && addr < physical_mem_end)
-		return 1;
-
-	return 0;
-}
-
 #endif
diff --git a/arch/blackfin/include/asm/dma-mapping.h b/arch/blackfin/include/asm/dma-mapping.h
index ede748d67ef..d7d9148e433 100644
--- a/arch/blackfin/include/asm/dma-mapping.h
+++ b/arch/blackfin/include/asm/dma-mapping.h
@@ -15,7 +15,11 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
-#define dma_mapping_error
+static inline
+int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+	return 0;
+}
 
 /*
  * Map a single buffer of the indicated size for DMA in streaming mode.
diff --git a/arch/blackfin/include/asm/elf.h b/arch/blackfin/include/asm/elf.h
index 67a03a8a353..cdbfcfc30f6 100644
--- a/arch/blackfin/include/asm/elf.h
+++ b/arch/blackfin/include/asm/elf.h
@@ -122,6 +122,6 @@ do {											\
 
 #define ELF_PLATFORM  (NULL)
 
-#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
+#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
 
 #endif
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h
index cbbf7ffdbbf..7dc77a21fdf 100644
--- a/arch/blackfin/include/asm/io.h
+++ b/arch/blackfin/include/asm/io.h
@@ -134,6 +134,36 @@ extern void dma_insb(unsigned long port, void *addr, unsigned short count);
 extern void dma_insw(unsigned long port, void *addr, unsigned short count);
 extern void dma_insl(unsigned long port, void *addr, unsigned short count);
 
+static inline void readsl(const void __iomem *addr, void *buf, int len)
+{
+	insl((unsigned long)addr, buf, len);
+}
+
+static inline void readsw(const void __iomem *addr, void *buf, int len)
+{
+	insw((unsigned long)addr, buf, len);
+}
+
+static inline void readsb(const void __iomem *addr, void *buf, int len)
+{
+	insb((unsigned long)addr, buf, len);
+}
+
+static inline void writesl(const void __iomem *addr, const void *buf, int len)
+{
+	outsl((unsigned long)addr, buf, len);
+}
+
+static inline void writesw(const void __iomem *addr, const void *buf, int len)
+{
+	outsw((unsigned long)addr, buf, len);
+}
+
+static inline void writesb(const void __iomem *addr, const void *buf, int len)
+{
+	outsb((unsigned long)addr, buf, len);
+}
+
 /*
  * Map some physical address range into the kernel address space.
  */
diff --git a/arch/blackfin/include/asm/timex.h b/arch/blackfin/include/asm/timex.h
index 22b0806161b..248aeb06680 100644
--- a/arch/blackfin/include/asm/timex.h
+++ b/arch/blackfin/include/asm/timex.h
@@ -16,7 +16,7 @@ typedef unsigned long long cycles_t;
 static inline cycles_t get_cycles(void)
 {
 	unsigned long tmp, tmp2;
-	__asm__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2));
+	__asm__ __volatile__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2));
 	return tmp | ((cycles_t)tmp2 << 32);
 }
 
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index 6e08f425bb4..5c0800adb4d 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -218,7 +218,7 @@ inline int check_gpio(unsigned gpio)
 	if (gpio == GPIO_PB15 || gpio == GPIO_PC14 || gpio == GPIO_PC15
 	    || gpio == GPIO_PH14 || gpio == GPIO_PH15
 	    || gpio == GPIO_PJ14 || gpio == GPIO_PJ15
-	    || gpio > MAX_BLACKFIN_GPIOS)
+	    || gpio >= MAX_BLACKFIN_GPIOS)
 		return -EINVAL;
 	return 0;
 }
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
index 5094677fd09..baa52e261f0 100644
--- a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
+++ b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
@@ -21,6 +21,7 @@
 #include <linux/mm.h>
 
 #include <asm/blackfin.h>
+#include <asm/cacheflush.h>
 #include <asm/cplbinit.h>
 #include <asm/mmu_context.h>
 
@@ -144,9 +145,7 @@ static noinline int dcplb_miss(void)
 
 	d_data = CPLB_SUPV_WR | CPLB_VALID | CPLB_DIRTY | PAGE_SIZE_4KB;
 #ifdef CONFIG_BFIN_DCACHE
-	if (addr < _ramend - DMA_UNCACHED_REGION ||
-	    (reserved_mem_dcache_on && addr >= _ramend &&
-	     addr < physical_mem_end)) {
+	if (bfin_addr_dcachable(addr)) {
 		d_data |= CPLB_L1_CHBL | ANOMALY_05000158_WORKAROUND;
 #ifdef CONFIG_BFIN_WT
 		d_data |= CPLB_L1_AOW | CPLB_WT;
diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
index 301252e8444..2debc900e24 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
@@ -23,6 +23,7 @@
 #include <linux/module.h>
 
 #include <asm/blackfin.h>
+#include <asm/cacheflush.h>
 #include <asm/cplb.h>
 #include <asm/cplbinit.h>
 
@@ -187,10 +188,11 @@ static struct cplb_desc cplb_data[] = {
 
 static u16 __init lock_kernel_check(u32 start, u32 end)
 {
-	if ((end   <= (u32) _end && end   >= (u32)_stext) ||
-	    (start <= (u32) _end && start >= (u32)_stext))
-		return IN_KERNEL;
-	return 0;
+	if (start >= (u32)_end || end <= (u32)_stext)
+		return 0;
+
+	/* This cplb block overlapped with kernel area. */
+	return IN_KERNEL;
 }
 
 static unsigned short __init
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 77800dd83e5..0c3ea118b65 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -351,10 +351,15 @@ int _access_ok(unsigned long addr, unsigned long size)
 		return 1;
 #endif
 #if L1_DATA_B_LENGTH != 0
-	if (addr >= L1_DATA_B_START
+	if (addr >= L1_DATA_B_START + (_ebss_b_l1 - _sdata_b_l1)
 	    && addr + size <= L1_DATA_B_START + L1_DATA_B_LENGTH)
 		return 1;
 #endif
+#if L2_LENGTH != 0
+	if (addr >= L2_START + (_ebss_l2 - _stext_l2)
+	    && addr + size <= L2_START + L2_LENGTH)
+		return 1;
+#endif
 	return 0;
 }
 EXPORT_SYMBOL(_access_ok);
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 7f35d1046cd..71a9a8c53ce 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -119,23 +119,23 @@ void __init bfin_relocate_l1_mem(void)
 	/* Copy _stext_l1 to _etext_l1 to L1 instruction SRAM */
 	dma_memcpy(_stext_l1, _l1_lma_start, l1_code_length);
 
-	l1_data_a_length = _ebss_l1 - _sdata_l1;
+	l1_data_a_length = _sbss_l1 - _sdata_l1;
 	if (l1_data_a_length > L1_DATA_A_LENGTH)
 		panic("L1 Data SRAM Bank A Overflow\n");
 
-	/* Copy _sdata_l1 to _ebss_l1 to L1 data bank A SRAM */
+	/* Copy _sdata_l1 to _sbss_l1 to L1 data bank A SRAM */
 	dma_memcpy(_sdata_l1, _l1_lma_start + l1_code_length, l1_data_a_length);
 
-	l1_data_b_length = _ebss_b_l1 - _sdata_b_l1;
+	l1_data_b_length = _sbss_b_l1 - _sdata_b_l1;
 	if (l1_data_b_length > L1_DATA_B_LENGTH)
 		panic("L1 Data SRAM Bank B Overflow\n");
 
-	/* Copy _sdata_b_l1 to _ebss_b_l1 to L1 data bank B SRAM */
+	/* Copy _sdata_b_l1 to _sbss_b_l1 to L1 data bank B SRAM */
 	dma_memcpy(_sdata_b_l1, _l1_lma_start + l1_code_length +
 			l1_data_a_length, l1_data_b_length);
 
 	if (L2_LENGTH != 0) {
-		l2_length = _ebss_l2 - _stext_l2;
+		l2_length = _sbss_l2 - _stext_l2;
 		if (l2_length > L2_LENGTH)
 			panic("L2 SRAM Overflow\n");
 
@@ -827,7 +827,7 @@ void __init setup_arch(char **cmdline_p)
 				printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n",
 				       bfin_compiled_revid(), bfin_revid());
 		}
-		if (bfin_revid() <= CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX)
+		if (bfin_revid() < CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX)
 			printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n",
 			       CPU, bfin_revid());
 	}
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 1aa2c788e22..bef025b0744 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -59,7 +59,7 @@
 #endif
 
 
-#ifdef CONFIG_VERBOSE_DEBUG
+#ifdef CONFIG_DEBUG_VERBOSE
 #define verbose_printk(fmt, arg...) \
 	printk(fmt, ##arg)
 #else
@@ -147,9 +147,12 @@ static void decode_address(char *buf, unsigned long address)
 				char *name = p->comm;
 				struct file *file = vma->vm_file;
 
-				if (file)
-					name = d_path(&file->f_path, _tmpbuf,
+				if (file) {
+					char *d_name = d_path(&file->f_path, _tmpbuf,
 						      sizeof(_tmpbuf));
+					if (!IS_ERR(d_name))
+						name = d_name;
+				}
 
 				/* FLAT does not have its text aligned to the start of
 				 * the map while FDPIC ELF does ...
@@ -571,7 +574,7 @@ asmlinkage void trap_c(struct pt_regs *fp)
 #endif
 			panic("Kernel exception");
 		} else {
-#ifdef CONFIG_VERBOSE_DEBUG
+#ifdef CONFIG_DEBUG_VERBOSE
 			unsigned long *stack;
 			/* Dump the user space stack */
 			stack = (unsigned long *)rdusp();
diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S
index 6588170e384..0eb1da85db7 100644
--- a/arch/blackfin/mach-bf527/head.S
+++ b/arch/blackfin/mach-bf527/head.S
@@ -88,7 +88,7 @@ ENTRY(_start_dma_code)
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S
index 619685b94d9..9fc95aaca43 100644
--- a/arch/blackfin/mach-bf533/head.S
+++ b/arch/blackfin/mach-bf533/head.S
@@ -79,7 +79,7 @@ ENTRY(_start_dma_code)
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h
index 34ab0e4e424..f3d9e495230 100644
--- a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h
+++ b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h
@@ -158,7 +158,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart)
 	}
 	if (uart->rts_pin >= 0) {
 		gpio_request(uart->rts_pin, DRIVER_NAME);
-		gpio_direction_input(uart->rts_pin, 0);
+		gpio_direction_output(uart->rts_pin, 0);
 	}
 #endif
 }
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index dc5a30849c1..8d394393201 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -577,11 +577,6 @@ static const struct ad7877_platform_data bfin_ad7877_ts_info = {
 
 #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
 #include <linux/spi/ad7879.h>
-static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
-	.enable_dma = 0,
-	.bits_per_word = 16,
-};
-
 static const struct ad7879_platform_data bfin_ad7879_ts_info = {
 	.model			= 7879,	/* Model = AD7879 */
 	.x_plate_ohms		= 620,	/* 620 Ohm from the touch datasheet */
@@ -597,6 +592,13 @@ static const struct ad7879_platform_data bfin_ad7879_ts_info = {
 };
 #endif
 
+#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
+static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 16,
+};
+#endif
+
 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 static struct bfin5xx_spi_chip spidev_chip_info = {
 	.enable_dma = 0,
@@ -750,7 +752,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 		.controller_data = &spi_ad7877_chip_info,
 	},
 #endif
-#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
+#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
 	{
 		.modalias = "ad7879",
 		.platform_data = &bfin_ad7879_ts_info,
@@ -935,7 +937,7 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
 	{
 		I2C_BOARD_INFO("ad7142_joystick", 0x2C),
-		.irq = 55,
+		.irq = IRQ_PF5,
 	},
 #endif
 #if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
@@ -946,7 +948,14 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 #if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
 	{
 		I2C_BOARD_INFO("pcf8574_keypad", 0x27),
-		.irq = 72,
+		.irq = IRQ_PG6,
+	},
+#endif
+#if defined(CONFIG_TOUCHSCREEN_AD7879_I2C) || defined(CONFIG_TOUCHSCREEN_AD7879_I2C_MODULE)
+	{
+		I2C_BOARD_INFO("ad7879", 0x2F),
+		.irq = IRQ_PG5,
+		.platform_data = (void *)&bfin_ad7879_ts_info,
 	},
 #endif
 };
diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index 559a7eef7a3..f5c94bf80e3 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -88,7 +88,7 @@ ENTRY(_start_dma_code)
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S
index 051b05c8802..93b361dff27 100644
--- a/arch/blackfin/mach-bf548/head.S
+++ b/arch/blackfin/mach-bf548/head.S
@@ -95,7 +95,7 @@ ENTRY(_start_dma_code)
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf561/head.S b/arch/blackfin/mach-bf561/head.S
index 0b28137b3de..31a777a9e69 100644
--- a/arch/blackfin/mach-bf561/head.S
+++ b/arch/blackfin/mach-bf561/head.S
@@ -78,7 +78,7 @@ ENTRY(_start_dma_code)
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h
index f5327264357..043bfcf26c5 100644
--- a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h
+++ b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h
@@ -158,7 +158,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart)
 	}
 	if (uart->rts_pin >= 0) {
 		gpio_request(uart->rts_pin, DRIVER_NAME);
-		gpio_direction_input(uart->rts_pin, 0);
+		gpio_direction_output(uart->rts_pin, 0);
 	}
 #endif
 }
diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S
index 85f8c79b3c3..a028e945041 100644
--- a/arch/blackfin/mach-common/cache.S
+++ b/arch/blackfin/mach-common/cache.S
@@ -1,148 +1,95 @@
 /*
- * File:         arch/blackfin/mach-common/cache.S
- * Based on:
- * Author:       LG Soft India
+ * Blackfin cache control code
  *
- * Created:
- * Description:  cache control support
+ * Copyright 2004-2008 Analog Devices Inc.
  *
- * Modified:
- *               Copyright 2004-2006 Analog Devices Inc.
+ * Enter bugs at http://blackfin.uclinux.org/
  *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ * Licensed under the GPL-2 or later.
  */
 
 #include <linux/linkage.h>
-#include <asm/cplb.h>
-#include <asm/entry.h>
 #include <asm/blackfin.h>
 #include <asm/cache.h>
+#include <asm/page.h>
 
 .text
 
-/*
- * blackfin_cache_flush_range(start, end)
- * Invalidate all cache lines assocoiated with this
- * area of memory.
+/* Since all L1 caches work the same way, we use the same method for flushing
+ * them.  Only the actual flush instruction differs.  We write this in asm as
+ * GCC can be hard to coax into writing nice hardware loops.
  *
- * start:	Start address
- * end:		End address
+ * Also, we assume the following register setup:
+ * R0 = start address
+ * R1 = end address
  */
-ENTRY(_blackfin_icache_flush_range)
+.macro do_flush flushins:req optflushins optnopins label
+
 	R2 = -L1_CACHE_BYTES;
-	R2 = R0 & R2;
-	P0 = R2;
-	P1 = R1;
-	CSYNC(R3);
-	IFLUSH [P0];
+
+	/* start = (start & -L1_CACHE_BYTES) */
+	R0 = R0 & R2;
+
+	/* end = ((end - 1) & -L1_CACHE_BYTES) + L1_CACHE_BYTES; */
+	R1 += -1;
+	R1 = R1 & R2;
+	R1 += L1_CACHE_BYTES;
+
+	/* count = (end - start) >> L1_CACHE_SHIFT */
+	R2 = R1 - R0;
+	R2 >>= L1_CACHE_SHIFT;
+	P1 = R2;
+
+.ifnb \label
+\label :
+.endif
+	P0 = R0;
+	LSETUP (1f, 2f) LC1 = P1;
 1:
-	IFLUSH [P0++];
-	CC = P0 < P1 (iu);
-	IF CC JUMP 1b (bp);
-	IFLUSH [P0];
-	SSYNC(R3);
+.ifnb \optflushins
+	\optflushins [P0];
+.endif
+.ifb \optnopins
+2:
+.endif
+	\flushins [P0++];
+.ifnb \optnopins
+2: \optnopins;
+.endif
+
 	RTS;
-ENDPROC(_blackfin_icache_flush_range)
+.endm
 
-/*
- * blackfin_icache_dcache_flush_range(start, end)
- * FLUSH all cache lines assocoiated with this
- * area of memory.
- *
- * start:	Start address
- * end:		End address
- */
+/* Invalidate all instruction cache lines assocoiated with this memory area */
+ENTRY(_blackfin_icache_flush_range)
+	do_flush IFLUSH, , nop
+ENDPROC(_blackfin_icache_flush_range)
 
+/* Flush all cache lines assocoiated with this area of memory. */
 ENTRY(_blackfin_icache_dcache_flush_range)
-	R2 = -L1_CACHE_BYTES;
-	R2 = R0 & R2;
-	P0 = R2;
-	P1 = R1;
-	CSYNC(R3);
-	IFLUSH [P0];
-1:
-	FLUSH [P0];
-	IFLUSH [P0++];
-	CC = P0 < P1 (iu);
-	IF CC JUMP 1b (bp);
-	IFLUSH [P0];
-	FLUSH [P0];
-	SSYNC(R3);
-	RTS;
+	do_flush FLUSH, IFLUSH
 ENDPROC(_blackfin_icache_dcache_flush_range)
 
 /* Throw away all D-cached data in specified region without any obligation to
- * write them back. However, we must clean the D-cached entries around the
- * boundaries of the start and/or end address is not cache aligned.
- *
- * Start: start address,
- * end  : end address.
+ * write them back.  Since the Blackfin ISA does not have an "invalidate"
+ * instruction, we use flush/invalidate.  Perhaps as a speed optimization we
+ * could bang on the DTEST MMRs ...
  */
-
 ENTRY(_blackfin_dcache_invalidate_range)
-	R2 = -L1_CACHE_BYTES;
-	R2 = R0 & R2;
-	P0 = R2;
-	P1 = R1;
-	CSYNC(R3);
-	FLUSHINV[P0];
-1:
-	FLUSHINV[P0++];
-	CC = P0 < P1 (iu);
-	IF CC JUMP 1b (bp);
-
-	/* If the data crosses a cache line, then we'll be pointing to
-	 * the last cache line, but won't have flushed/invalidated it yet,
-	 * so do one more.
-	 */
-	FLUSHINV[P0];
-	SSYNC(R3);
-	RTS;
+	do_flush FLUSHINV
 ENDPROC(_blackfin_dcache_invalidate_range)
 
+/* Flush all data cache lines assocoiated with this memory area */
 ENTRY(_blackfin_dcache_flush_range)
-	R2 = -L1_CACHE_BYTES;
-	R2 = R0 & R2;
-	P0 = R2;
-	P1 = R1;
-	CSYNC(R3);
-	FLUSH[P0];
-1:
-	FLUSH[P0++];
-	CC = P0 < P1 (iu);
-	IF CC JUMP 1b (bp);
-
-	/* If the data crosses a cache line, then we'll be pointing to
-	 * the last cache line, but won't have flushed it yet, so do
-	 * one more.
-	 */
-	FLUSH[P0];
-	SSYNC(R3);
-	RTS;
+	do_flush FLUSH, , , .Ldfr
 ENDPROC(_blackfin_dcache_flush_range)
 
+/* Our headers convert the page structure to an address, so just need to flush
+ * its contents like normal.  We know the start address is page aligned (which
+ * greater than our cache alignment), as is the end address.  So just jump into
+ * the middle of the dcache flush function.
+ */
 ENTRY(_blackfin_dflush_page)
 	P1 = 1 << (PAGE_SHIFT - L1_CACHE_SHIFT);
-	P0 = R0;
-	CSYNC(R3);
-	FLUSH[P0];
-	LSETUP (.Lfl1, .Lfl1) LC0 = P1;
-.Lfl1:	FLUSH [P0++];
-	SSYNC(R3);
-	RTS;
+	jump .Ldfr;
 ENDPROC(_blackfin_dflush_page)
diff --git a/arch/blackfin/mach-common/cpufreq.c b/arch/blackfin/mach-common/cpufreq.c
index 75cdad291e8..dda5443b37e 100644
--- a/arch/blackfin/mach-common/cpufreq.c
+++ b/arch/blackfin/mach-common/cpufreq.c
@@ -72,13 +72,13 @@ unsigned int __bfin_cycles_mod;
 
 /**************************************************************************/
 
-static unsigned int bfin_getfreq(unsigned int cpu)
+static unsigned int bfin_getfreq_khz(unsigned int cpu)
 {
 	/* The driver only support single cpu */
 	if (cpu != 0)
 		return -1;
 
-	return get_cclk();
+	return get_cclk() / 1000;
 }
 
 
@@ -96,7 +96,7 @@ static int bfin_target(struct cpufreq_policy *policy,
 
 	cclk_hz = bfin_freq_table[index].frequency;
 
-	freqs.old = bfin_getfreq(0);
+	freqs.old = bfin_getfreq_khz(0);
 	freqs.new = cclk_hz;
 	freqs.cpu = 0;
 
@@ -137,8 +137,8 @@ static int __init __bfin_cpu_init(struct cpufreq_policy *policy)
 	if (policy->cpu != 0)
 		return -EINVAL;
 
-	cclk = get_cclk();
-	sclk = get_sclk();
+	cclk = get_cclk() / 1000;
+	sclk = get_sclk() / 1000;
 
 #if ANOMALY_05000273 || (!defined(CONFIG_BF54x) && defined(CONFIG_BFIN_DCACHE))
 	min_cclk = sclk * 2;
@@ -152,14 +152,12 @@ static int __init __bfin_cpu_init(struct cpufreq_policy *policy)
 		dpm_state_table[index].csel = csel << 4; /* Shift now into PLL_DIV bitpos */
 		dpm_state_table[index].tscale =  (TIME_SCALE / (1 << csel)) - 1;
 
-		pr_debug("cpufreq: freq:%d csel:%d tscale:%d\n",
+		pr_debug("cpufreq: freq:%d csel:0x%x tscale:%d\n",
 						 bfin_freq_table[index].frequency,
 						 dpm_state_table[index].csel,
 						 dpm_state_table[index].tscale);
 	}
 
-	policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
-
 	policy->cpuinfo.transition_latency = (bfin_read_PLL_LOCKCNT() / (sclk / 1000000)) * 1000;
 	/*Now ,only support one cpu */
 	policy->cur = cclk;
@@ -175,7 +173,7 @@ static struct freq_attr *bfin_freq_attr[] = {
 static struct cpufreq_driver bfin_driver = {
 	.verify = bfin_verify_speed,
 	.target = bfin_target,
-	.get = bfin_getfreq,
+	.get = bfin_getfreq_khz,
 	.init = __bfin_cpu_init,
 	.name = "bfin cpufreq",
 	.owner = THIS_MODULE,
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index c13fa8da28c..bde6dc4e261 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -277,7 +277,7 @@ ENTRY(_bfin_return_from_exception)
 	p5.h = hi(ILAT);
 	r6 = [p5];
 	r7 = 0x20;		/* Did I just cause anther HW error? */
-	r7 = r7 & r1;
+	r6 = r7 & r6;
 	CC = R7 == R6;
 	if CC JUMP _double_fault;
 #endif
diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S
index 3069df58072..f123a62e245 100644
--- a/arch/blackfin/mach-common/head.S
+++ b/arch/blackfin/mach-common/head.S
@@ -206,6 +206,60 @@ ENTRY(_real_start)
 	w[p0] = r0;
 	ssync;
 
+#if L1_DATA_A_LENGTH > 0
+	r1.l = __sbss_l1;
+	r1.h = __sbss_l1;
+	r2.l = __ebss_l1;
+	r2.h = __ebss_l1;
+	r0 = 0 (z);
+	r2 = r2 - r1;
+	cc = r2 == 0;
+	if cc jump .L_a_l1_done;
+	r2 >>= 2;
+	p1 = r1;
+	p2 = r2;
+	lsetup (.L_clear_a_l1, .L_clear_a_l1 ) lc0 = p2;
+.L_clear_a_l1:
+	[p1++] = r0;
+.L_a_l1_done:
+#endif
+
+#if L1_DATA_B_LENGTH > 0
+	r1.l = __sbss_b_l1;
+	r1.h = __sbss_b_l1;
+	r2.l = __ebss_b_l1;
+	r2.h = __ebss_b_l1;
+	r0 = 0 (z);
+	r2 = r2 - r1;
+	cc = r2 == 0;
+	if cc jump .L_b_l1_done;
+	r2 >>= 2;
+	p1 = r1;
+	p2 = r2;
+	lsetup (.L_clear_b_l1, .L_clear_b_l1 ) lc0 = p2;
+.L_clear_b_l1:
+	[p1++] = r0;
+.L_b_l1_done:
+#endif
+
+#if L2_LENGTH > 0
+	r1.l = __sbss_l2;
+	r1.h = __sbss_l2;
+	r2.l = __ebss_l2;
+	r2.h = __ebss_l2;
+	r0 = 0 (z);
+	r2 = r2 - r1;
+	cc = r2 == 0;
+	if cc jump .L_l2_done;
+	r2 >>= 2;
+	p1 = r1;
+	p2 = r2;
+	lsetup (.L_clear_l2, .L_clear_l2 ) lc0 = p2;
+.L_clear_l2:
+	[p1++] = r0;
+.L_l2_done:
+#endif
+
 	/* Zero out the bss region
 	 * Note: this will fail if bss is 0 bytes ...
 	 */
diff --git a/arch/blackfin/mm/sram-alloc.c b/arch/blackfin/mm/sram-alloc.c
index 0f1ca6930c1..cc6f336e731 100644
--- a/arch/blackfin/mm/sram-alloc.c
+++ b/arch/blackfin/mm/sram-alloc.c
@@ -183,10 +183,10 @@ static void __init l2_sram_init(void)
 		return;
 	}
 
-	free_l2_sram_head.next->paddr = (void *)L2_START +
-		(_etext_l2 - _stext_l2) + (_edata_l2 - _sdata_l2);
-	free_l2_sram_head.next->size = L2_LENGTH -
-		(_etext_l2 - _stext_l2) + (_edata_l2 - _sdata_l2);
+	free_l2_sram_head.next->paddr =
+		(void *)L2_START + (_ebss_l2 - _stext_l2);
+	free_l2_sram_head.next->size =
+		L2_LENGTH - (_ebss_l2 - _stext_l2);
 	free_l2_sram_head.next->pid = 0;
 	free_l2_sram_head.next->next = NULL;