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: powerpc/qe_ic: Fix another breakage from the irq_data conversion powerpc/8xx: Fix another breakage from the irq_data conversion powerpc/cell: Use handle_edge_eoi_irq for real powerpc/pseries: Enable Chelsio network and iWARP drivers powerpc/mm: Move the STAB0 location to 0x8000 to make room in low memory powerpc: Fix accounting of softirq time when idle powerpc/pseries/smp: query-cpu-stopped-state support won't change powerpc/xics: Use hwirq for xics domain irq number powerpc/xics: Fix numberspace mismatch from irq_desc conversion powerpc: Wire up new syscalls powerpc/booke: Correct the SPRN_MAS5 definition. powerpc: ARCH_PFN_OFFSET should be unsigned long powerpc: Implement dma_mmap_coherent() powerpc/nvram: Don't overwrite oops/panic report on normal shutdown powerpc: Restore some misc devices to our configs
adn770 · Mar 30, 2011 · a8e498b · a8e498b
2 parents a8a4492 + d4db35e
commit a8e498b
Show file tree

Hide file tree

Showing 31 changed files with 160 additions and 65 deletions.
diff --git a/arch/powerpc/configs/44x/warp_defconfig b/arch/powerpc/configs/44x/warp_defconfig
@@ -47,6 +47,7 @@ CONFIG_MTD_NAND_NDFC=y
 CONFIG_MTD_UBI=y
 CONFIG_PROC_DEVICETREE=y
 CONFIG_BLK_DEV_RAM=y
+CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_AT24=y
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y

diff --git a/arch/powerpc/configs/52xx/motionpro_defconfig b/arch/powerpc/configs/52xx/motionpro_defconfig
@@ -43,6 +43,7 @@ CONFIG_PROC_DEVICETREE=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=32768
+CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_LEGACY=y
 CONFIG_SCSI_TGT=y
 CONFIG_BLK_DEV_SD=y

diff --git a/arch/powerpc/configs/86xx/gef_ppc9a_defconfig b/arch/powerpc/configs/86xx/gef_ppc9a_defconfig
@@ -85,6 +85,7 @@ CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_NBD=m
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=131072
+CONFIG_MISC_DEVICES=y
 CONFIG_DS1682=y
 CONFIG_IDE=y
 CONFIG_BLK_DEV_IDECS=y

diff --git a/arch/powerpc/configs/86xx/gef_sbc310_defconfig b/arch/powerpc/configs/86xx/gef_sbc310_defconfig
@@ -85,6 +85,7 @@ CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_NBD=m
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=131072
+CONFIG_MISC_DEVICES=y
 CONFIG_DS1682=y
 CONFIG_IDE=y
 CONFIG_BLK_DEV_IDECS=y

diff --git a/arch/powerpc/configs/86xx/gef_sbc610_defconfig b/arch/powerpc/configs/86xx/gef_sbc610_defconfig
@@ -138,6 +138,7 @@ CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_NBD=m
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=131072
+CONFIG_MISC_DEVICES=y
 CONFIG_DS1682=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_ST=y

diff --git a/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig b/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig
@@ -63,6 +63,7 @@ CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_NBD=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=131072
+CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_LEGACY=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_ST=y

diff --git a/arch/powerpc/configs/e55xx_smp_defconfig b/arch/powerpc/configs/e55xx_smp_defconfig
@@ -32,6 +32,7 @@ CONFIG_PROC_DEVICETREE=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=131072
+CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_LEGACY=y
 CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_MOUSEDEV is not set

diff --git a/arch/powerpc/configs/linkstation_defconfig b/arch/powerpc/configs/linkstation_defconfig
@@ -78,6 +78,7 @@ CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=2
 CONFIG_BLK_DEV_RAM_SIZE=8192
+CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_LEGACY=m
 CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_SG=y

diff --git a/arch/powerpc/configs/mpc512x_defconfig b/arch/powerpc/configs/mpc512x_defconfig
@@ -61,6 +61,7 @@ CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=1
 CONFIG_BLK_DEV_RAM_SIZE=8192
 CONFIG_BLK_DEV_XIP=y
+CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_AT24=y
 CONFIG_SCSI=y
 # CONFIG_SCSI_PROC_FS is not set

diff --git a/arch/powerpc/configs/mpc5200_defconfig b/arch/powerpc/configs/mpc5200_defconfig
@@ -52,6 +52,7 @@ CONFIG_PROC_DEVICETREE=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=32768
+CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_AT24=y
 CONFIG_SCSI_TGT=y
 CONFIG_BLK_DEV_SD=y

diff --git a/arch/powerpc/configs/mpc85xx_defconfig b/arch/powerpc/configs/mpc85xx_defconfig
@@ -82,6 +82,7 @@ CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_NBD=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=131072
+CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_LEGACY=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_ST=y

diff --git a/arch/powerpc/configs/mpc85xx_smp_defconfig b/arch/powerpc/configs/mpc85xx_smp_defconfig
@@ -84,6 +84,7 @@ CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_NBD=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=131072
+CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_LEGACY=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_ST=y

diff --git a/arch/powerpc/configs/mpc86xx_defconfig b/arch/powerpc/configs/mpc86xx_defconfig
@@ -66,6 +66,7 @@ CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_NBD=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=131072
+CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_LEGACY=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_ST=y

diff --git a/arch/powerpc/configs/pasemi_defconfig b/arch/powerpc/configs/pasemi_defconfig
@@ -59,6 +59,7 @@ CONFIG_PROC_DEVICETREE=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=16384
+CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_LEGACY=y
 CONFIG_IDE=y
 CONFIG_BLK_DEV_IDECD=y

diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig
@@ -398,6 +398,7 @@ CONFIG_BLK_DEV_RAM_SIZE=16384
 CONFIG_CDROM_PKTCDVD=m
 CONFIG_VIRTIO_BLK=m
 CONFIG_BLK_DEV_HD=y
+CONFIG_MISC_DEVICES=y
 CONFIG_ENCLOSURE_SERVICES=m
 CONFIG_SENSORS_TSL2550=m
 CONFIG_EEPROM_AT24=m

diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
@@ -189,6 +189,7 @@ CONFIG_TIGON3=y
 CONFIG_BNX2=m
 CONFIG_CHELSIO_T1=m
 CONFIG_CHELSIO_T3=m
+CONFIG_CHELSIO_T4=m
 CONFIG_EHEA=y
 CONFIG_IXGBE=m
 CONFIG_IXGB=m
@@ -255,6 +256,8 @@ CONFIG_INFINIBAND_USER_MAD=m
 CONFIG_INFINIBAND_USER_ACCESS=m
 CONFIG_INFINIBAND_MTHCA=m
 CONFIG_INFINIBAND_EHCA=m
+CONFIG_INFINIBAND_CXGB3=m
+CONFIG_INFINIBAND_CXGB4=m
 CONFIG_MLX4_INFINIBAND=m
 CONFIG_INFINIBAND_IPOIB=m
 CONFIG_INFINIBAND_IPOIB_CM=y

diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
@@ -42,6 +42,7 @@ extern void __dma_free_coherent(size_t size, void *vaddr);
 extern void __dma_sync(void *vaddr, size_t size, int direction);
 extern void __dma_sync_page(struct page *page, unsigned long offset,
 				 size_t size, int direction);
+extern unsigned long __dma_get_coherent_pfn(unsigned long cpu_addr);
 
 #else /* ! CONFIG_NOT_COHERENT_CACHE */
 /*
@@ -198,6 +199,11 @@ static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
 #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)
 
+extern int dma_mmap_coherent(struct device *, struct vm_area_struct *,
+			     void *, dma_addr_t, size_t);
+#define ARCH_HAS_DMA_MMAP_COHERENT
+
+
 static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 		enum dma_data_direction direction)
 {

diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h
@@ -27,7 +27,7 @@
 #define STE_VSID_SHIFT	12
 
 /* Location of cpu0's segment table */
-#define STAB0_PAGE	0x6
+#define STAB0_PAGE	0x8
 #define STAB0_OFFSET	(STAB0_PAGE << 12)
 #define STAB0_PHYS_ADDR	(STAB0_OFFSET + PHYSICAL_START)
 

diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
@@ -100,7 +100,7 @@ extern phys_addr_t kernstart_addr;
 #endif
 
 #ifdef CONFIG_FLATMEM
-#define ARCH_PFN_OFFSET		(MEMORY_START >> PAGE_SHIFT)
+#define ARCH_PFN_OFFSET		((unsigned long)(MEMORY_START >> PAGE_SHIFT))
 #define pfn_valid(pfn)		((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr)
 #endif
 

diff --git a/arch/powerpc/include/asm/qe_ic.h b/arch/powerpc/include/asm/qe_ic.h
@@ -81,7 +81,7 @@ int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high);
 static inline void qe_ic_cascade_low_ipic(unsigned int irq,
 					  struct irq_desc *desc)
 {
-	struct qe_ic *qe_ic = get_irq_desc_data(desc);
+	struct qe_ic *qe_ic = irq_desc_get_chip_data(desc);
 	unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
 
 	if (cascade_irq != NO_IRQ)
@@ -91,7 +91,7 @@ static inline void qe_ic_cascade_low_ipic(unsigned int irq,
 static inline void qe_ic_cascade_high_ipic(unsigned int irq,
 					   struct irq_desc *desc)
 {
-	struct qe_ic *qe_ic = get_irq_desc_data(desc);
+	struct qe_ic *qe_ic = irq_desc_get_chip_data(desc);
 	unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
 
 	if (cascade_irq != NO_IRQ)
@@ -101,9 +101,9 @@ static inline void qe_ic_cascade_high_ipic(unsigned int irq,
 static inline void qe_ic_cascade_low_mpic(unsigned int irq,
 					  struct irq_desc *desc)
 {
-	struct qe_ic *qe_ic = get_irq_desc_data(desc);
+	struct qe_ic *qe_ic = irq_desc_get_chip_data(desc);
 	unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
-	struct irq_chip *chip = get_irq_desc_chip(desc);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
 
 	if (cascade_irq != NO_IRQ)
 		generic_handle_irq(cascade_irq);
@@ -114,9 +114,9 @@ static inline void qe_ic_cascade_low_mpic(unsigned int irq,
 static inline void qe_ic_cascade_high_mpic(unsigned int irq,
 					   struct irq_desc *desc)
 {
-	struct qe_ic *qe_ic = get_irq_desc_data(desc);
+	struct qe_ic *qe_ic = irq_desc_get_chip_data(desc);
 	unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
-	struct irq_chip *chip = get_irq_desc_chip(desc);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
 
 	if (cascade_irq != NO_IRQ)
 		generic_handle_irq(cascade_irq);
@@ -127,9 +127,9 @@ static inline void qe_ic_cascade_high_mpic(unsigned int irq,
 static inline void qe_ic_cascade_muxed_mpic(unsigned int irq,
 					    struct irq_desc *desc)
 {
-	struct qe_ic *qe_ic = get_irq_desc_data(desc);
+	struct qe_ic *qe_ic = irq_desc_get_chip_data(desc);
 	unsigned int cascade_irq;
-	struct irq_chip *chip = get_irq_desc_chip(desc);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
 
 	cascade_irq = qe_ic_get_high_irq(qe_ic);
 	if (cascade_irq == NO_IRQ)

diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
@@ -110,7 +110,7 @@
 #define SPRN_MAS2	0x272	/* MMU Assist Register 2 */
 #define SPRN_MAS3	0x273	/* MMU Assist Register 3 */
 #define SPRN_MAS4	0x274	/* MMU Assist Register 4 */
-#define SPRN_MAS5	0x275	/* MMU Assist Register 5 */
+#define SPRN_MAS5	0x153	/* MMU Assist Register 5 */
 #define SPRN_MAS6	0x276	/* MMU Assist Register 6 */
 #define SPRN_PID1	0x279	/* Process ID Register 1 */
 #define SPRN_PID2	0x27A	/* Process ID Register 2 */

diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
@@ -348,3 +348,7 @@ COMPAT_SYS_SPU(sendmsg)
 COMPAT_SYS_SPU(recvmsg)
 COMPAT_SYS_SPU(recvmmsg)
 SYSCALL_SPU(accept4)
+SYSCALL_SPU(name_to_handle_at)
+COMPAT_SYS_SPU(open_by_handle_at)
+COMPAT_SYS_SPU(clock_adjtime)
+SYSCALL_SPU(syncfs)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
@@ -367,10 +367,14 @@
 #define __NR_recvmsg		342
 #define __NR_recvmmsg		343
 #define __NR_accept4		344
+#define __NR_name_to_handle_at	345
+#define __NR_open_by_handle_at	346
+#define __NR_clock_adjtime	347
+#define __NR_syncfs		348
 
 #ifdef __KERNEL__
 
-#define __NR_syscalls		345
+#define __NR_syscalls		349
 
 #define __NR__exit __NR_exit
 #define NR_syscalls	__NR_syscalls

diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
@@ -179,3 +179,21 @@ static int __init dma_init(void)
        return 0;
 }
 fs_initcall(dma_init);
+
+int dma_mmap_coherent(struct device *dev, struct vm_area_struct *vma,
+		      void *cpu_addr, dma_addr_t handle, size_t size)
+{
+	unsigned long pfn;
+
+#ifdef CONFIG_NOT_COHERENT_CACHE
+	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+	pfn = __dma_get_coherent_pfn((unsigned long)cpu_addr);
+#else
+	pfn = page_to_pfn(virt_to_page(cpu_addr));
+#endif
+	return remap_pfn_range(vma, vma->vm_start,
+			       pfn + vma->vm_pgoff,
+			       vma->vm_end - vma->vm_start,
+			       vma->vm_page_prot);
+}
+EXPORT_SYMBOL_GPL(dma_mmap_coherent);
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
@@ -977,20 +977,6 @@ _GLOBAL(do_stab_bolted)
 	rfid
 	b	.	/* prevent speculative execution */
 
-/*
- * Space for CPU0's segment table.
- *
- * On iSeries, the hypervisor must fill in at least one entry before
- * we get control (with relocate on).  The address is given to the hv
- * as a page number (see xLparMap below), so this must be at a
- * fixed address (the linker can't compute (u64)&initial_stab >>
- * PAGE_SHIFT).
- */
-	. = STAB0_OFFSET	/* 0x6000 */
-	.globl initial_stab
-initial_stab:
-	.space	4096
-
 #ifdef CONFIG_PPC_PSERIES
 /*
  * Data area reserved for FWNMI option.
@@ -1027,3 +1013,17 @@ xLparMap:
 #ifdef CONFIG_PPC_PSERIES
         . = 0x8000
 #endif /* CONFIG_PPC_PSERIES */
+
+/*
+ * Space for CPU0's segment table.
+ *
+ * On iSeries, the hypervisor must fill in at least one entry before
+ * we get control (with relocate on).  The address is given to the hv
+ * as a page number (see xLparMap above), so this must be at a
+ * fixed address (the linker can't compute (u64)&initial_stab >>
+ * PAGE_SHIFT).
+ */
+	. = STAB0_OFFSET	/* 0x8000 */
+	.globl initial_stab
+initial_stab:
+	.space	4096
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
@@ -356,7 +356,7 @@ void account_system_vtime(struct task_struct *tsk)
 	}
 	get_paca()->user_time_scaled += user_scaled;
 
-	if (in_irq() || idle_task(smp_processor_id()) != tsk) {
+	if (in_interrupt() || idle_task(smp_processor_id()) != tsk) {
 		account_system_time(tsk, 0, delta, sys_scaled);
 		if (stolen)
 			account_steal_time(stolen);

diff --git a/arch/powerpc/mm/dma-noncoherent.c b/arch/powerpc/mm/dma-noncoherent.c
@@ -399,3 +399,23 @@ void __dma_sync_page(struct page *page, unsigned long offset,
 #endif
 }
 EXPORT_SYMBOL(__dma_sync_page);
+
+/*
+ * Return the PFN for a given cpu virtual address returned by
+ * __dma_alloc_coherent. This is used by dma_mmap_coherent()
+ */
+unsigned long __dma_get_coherent_pfn(unsigned long cpu_addr)
+{
+	/* This should always be populated, so we don't test every
+	 * level. If that fails, we'll have a nice crash which
+	 * will be as good as a BUG_ON()
+	 */
+	pgd_t *pgd = pgd_offset_k(cpu_addr);
+	pud_t *pud = pud_offset(pgd, cpu_addr);
+	pmd_t *pmd = pmd_offset(pud, cpu_addr);
+	pte_t *ptep = pte_offset_kernel(pmd, cpu_addr);
+
+	if (pte_none(*ptep) || !pte_present(*ptep))
+		return 0;
+	return pte_pfn(*ptep);
+}
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
@@ -480,8 +480,32 @@ static void oops_to_nvram(struct kmsg_dumper *dumper,
 		const char *new_msgs, unsigned long new_len)
 {
 	static unsigned int oops_count = 0;
+	static bool panicking = false;
 	size_t text_len;
 
+	switch (reason) {
+	case KMSG_DUMP_RESTART:
+	case KMSG_DUMP_HALT:
+	case KMSG_DUMP_POWEROFF:
+		/* These are almost always orderly shutdowns. */
+		return;
+	case KMSG_DUMP_OOPS:
+	case KMSG_DUMP_KEXEC:
+		break;
+	case KMSG_DUMP_PANIC:
+		panicking = true;
+		break;
+	case KMSG_DUMP_EMERG:
+		if (panicking)
+			/* Panic report already captured. */
+			return;
+		break;
+	default:
+		pr_err("%s: ignoring unrecognized KMSG_DUMP_* reason %d\n",
+						__FUNCTION__, (int) reason);
+		return;
+	}
+
 	if (clobbering_unread_rtas_event())
 		return;
 

diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
@@ -64,8 +64,8 @@ int smp_query_cpu_stopped(unsigned int pcpu)
 	int qcss_tok = rtas_token("query-cpu-stopped-state");
 
 	if (qcss_tok == RTAS_UNKNOWN_SERVICE) {
-		printk(KERN_INFO "Firmware doesn't support "
-				"query-cpu-stopped-state\n");
+		printk_once(KERN_INFO
+			"Firmware doesn't support query-cpu-stopped-state\n");
 		return QCSS_HARDWARE_ERROR;
 	}