Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Documentation/kernel-parameters.txt

@@ -999,7 +999,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			With this option on every unmap_single operation will
 			result in a hardware IOTLB flush operation as opposed
 			to batching them for performance.
-
+		sp_off [Default Off]
+			By default, super page will be supported if Intel IOMMU
+			has the capability. With this option, super page will
+			not be supported.
 	intremap=	[X86-64, Intel-IOMMU]
 			Format: { on (default) | off | nosid }
 			on	enable Interrupt Remapping (default)

arch/arm/mach-shmobile/board-ap4evb.c

@@ -249,6 +249,29 @@ static int slot_cn7_get_cd(struct platform_device *pdev)
 {
 	return !gpio_get_value(GPIO_PORT41);
 }
+/* MERAM */
+static struct sh_mobile_meram_info meram_info = {
+	.addr_mode      = SH_MOBILE_MERAM_MODE1,
+};
+
+static struct resource meram_resources[] = {
+	[0] = {
+		.name   = "MERAM",
+		.start  = 0xe8000000,
+		.end    = 0xe81fffff,
+		.flags  = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device meram_device = {
+	.name           = "sh_mobile_meram",
+	.id             = 0,
+	.num_resources  = ARRAY_SIZE(meram_resources),
+	.resource       = meram_resources,
+	.dev            = {
+		.platform_data = &meram_info,
+	},
+};
 
 /* SH_MMCIF */
 static struct resource sh_mmcif_resources[] = {
@@ -447,13 +470,29 @@ const static struct fb_videomode ap4evb_lcdc_modes[] = {
 #endif
 	},
 };
+static struct sh_mobile_meram_cfg lcd_meram_cfg = {
+	.icb[0] = {
+		.marker_icb     = 28,
+		.cache_icb      = 24,
+		.meram_offset   = 0x0,
+		.meram_size     = 0x40,
+	},
+	.icb[1] = {
+		.marker_icb     = 29,
+		.cache_icb      = 25,
+		.meram_offset   = 0x40,
+		.meram_size     = 0x40,
+	},
+};
 
 static struct sh_mobile_lcdc_info lcdc_info = {
+	.meram_dev = &meram_info,
 	.ch[0] = {
 		.chan = LCDC_CHAN_MAINLCD,
 		.bpp = 16,
 		.lcd_cfg = ap4evb_lcdc_modes,
 		.num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
+		.meram_cfg = &lcd_meram_cfg,
 	}
 };
 
@@ -724,15 +763,31 @@ static struct platform_device fsi_device = {
 static struct platform_device fsi_ak4643_device = {
 	.name		= "sh_fsi2_a_ak4643",
 };
+static struct sh_mobile_meram_cfg hdmi_meram_cfg = {
+	.icb[0] = {
+		.marker_icb     = 30,
+		.cache_icb      = 26,
+		.meram_offset   = 0x80,
+		.meram_size     = 0x100,
+	},
+	.icb[1] = {
+		.marker_icb     = 31,
+		.cache_icb      = 27,
+		.meram_offset   = 0x180,
+		.meram_size     = 0x100,
+	},
+};
 
 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
 	.clock_source = LCDC_CLK_EXTERNAL,
+	.meram_dev = &meram_info,
 	.ch[0] = {
 		.chan = LCDC_CHAN_MAINLCD,
 		.bpp = 16,
 		.interface_type = RGB24,
 		.clock_divider = 1,
 		.flags = LCDC_FLAGS_DWPOL,
+		.meram_cfg = &hdmi_meram_cfg,
 	}
 };
 
@@ -961,6 +1016,7 @@ static struct platform_device *ap4evb_devices[] __initdata = {
 	&csi2_device,
 	&ceu_device,
 	&ap4evb_camera,
+	&meram_device,
 };
 
 static void __init hdmi_init_pm_clock(void)

arch/arm/mach-shmobile/board-mackerel.c

@@ -39,6 +39,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
+#include <linux/pm_runtime.h>
 #include <linux/smsc911x.h>
 #include <linux/sh_intc.h>
 #include <linux/tca6416_keypad.h>
@@ -314,6 +315,30 @@ static struct platform_device smc911x_device = {
 	},
 };
 
+/* MERAM */
+static struct sh_mobile_meram_info mackerel_meram_info = {
+	.addr_mode	= SH_MOBILE_MERAM_MODE1,
+};
+
+static struct resource meram_resources[] = {
+	[0] = {
+		.name	= "MERAM",
+		.start	= 0xe8000000,
+		.end	= 0xe81fffff,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device meram_device = {
+	.name		= "sh_mobile_meram",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(meram_resources),
+	.resource	= meram_resources,
+	.dev		= {
+		.platform_data = &mackerel_meram_info,
+	},
+};
+
 /* LCDC */
 static struct fb_videomode mackerel_lcdc_modes[] = {
 	{
@@ -342,7 +367,23 @@ static int mackerel_get_brightness(void *board_data)
 	return gpio_get_value(GPIO_PORT31);
 }
 
+static struct sh_mobile_meram_cfg lcd_meram_cfg = {
+	.icb[0] = {
+		.marker_icb     = 28,
+		.cache_icb      = 24,
+		.meram_offset   = 0x0,
+		.meram_size     = 0x40,
+	},
+	.icb[1] = {
+		.marker_icb     = 29,
+		.cache_icb      = 25,
+		.meram_offset   = 0x40,
+		.meram_size     = 0x40,
+	},
+};
+
 static struct sh_mobile_lcdc_info lcdc_info = {
+	.meram_dev = &mackerel_meram_info,
 	.clock_source = LCDC_CLK_BUS,
 	.ch[0] = {
 		.chan = LCDC_CHAN_MAINLCD,
@@ -362,6 +403,7 @@ static struct sh_mobile_lcdc_info lcdc_info = {
 			.name = "sh_mobile_lcdc_bl",
 			.max_brightness = 1,
 		},
+		.meram_cfg = &lcd_meram_cfg,
 	}
 };
 
@@ -388,8 +430,23 @@ static struct platform_device lcdc_device = {
 	},
 };
 
+static struct sh_mobile_meram_cfg hdmi_meram_cfg = {
+	.icb[0] = {
+		.marker_icb     = 30,
+		.cache_icb      = 26,
+		.meram_offset   = 0x80,
+		.meram_size     = 0x100,
+	},
+	.icb[1] = {
+		.marker_icb     = 31,
+		.cache_icb      = 27,
+		.meram_offset   = 0x180,
+		.meram_size     = 0x100,
+	},
+};
 /* HDMI */
 static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
+	.meram_dev = &mackerel_meram_info,
 	.clock_source = LCDC_CLK_EXTERNAL,
 	.ch[0] = {
 		.chan = LCDC_CHAN_MAINLCD,
@@ -397,6 +454,7 @@ static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
 		.interface_type = RGB24,
 		.clock_divider = 1,
 		.flags = LCDC_FLAGS_DWPOL,
+		.meram_cfg = &hdmi_meram_cfg,
 	}
 };
 
@@ -856,6 +914,17 @@ static int slot_cn7_get_cd(struct platform_device *pdev)
 }
 
 /* SDHI0 */
+static irqreturn_t mackerel_sdhi0_gpio_cd(int irq, void *arg)
+{
+	struct device *dev = arg;
+	struct sh_mobile_sdhi_info *info = dev->platform_data;
+	struct tmio_mmc_data *pdata = info->pdata;
+
+	tmio_mmc_cd_wakeup(pdata);
+
+	return IRQ_HANDLED;
+}
+
 static struct sh_mobile_sdhi_info sdhi0_info = {
 	.dma_slave_tx	= SHDMA_SLAVE_SDHI0_TX,
 	.dma_slave_rx	= SHDMA_SLAVE_SDHI0_RX,
@@ -1150,6 +1219,7 @@ static struct platform_device *mackerel_devices[] __initdata = {
 	&mackerel_camera,
 	&hdmi_lcdc_device,
 	&hdmi_device,
+	&meram_device,
 };
 
 /* Keypad Initialization */
@@ -1238,6 +1308,7 @@ static void __init mackerel_init(void)
 {
 	u32 srcr4;
 	struct clk *clk;
+	int ret;
 
 	sh7372_pinmux_init();
 
@@ -1343,6 +1414,13 @@ static void __init mackerel_init(void)
 	gpio_request(GPIO_FN_SDHID0_1, NULL);
 	gpio_request(GPIO_FN_SDHID0_0, NULL);
 
+	ret = request_irq(evt2irq(0x3340), mackerel_sdhi0_gpio_cd,
+			  IRQF_TRIGGER_FALLING, "sdhi0 cd", &sdhi0_device.dev);
+	if (!ret)
+		sdhi0_info.tmio_flags |= TMIO_MMC_HAS_COLD_CD;
+	else
+		pr_err("Cannot get IRQ #%d: %d\n", evt2irq(0x3340), ret);
+
 #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
 	/* enable SDHI1 */
 	gpio_request(GPIO_FN_SDHICMD1, NULL);

arch/arm/mach-shmobile/clock-sh7372.c

@@ -509,6 +509,7 @@ enum { MSTP001,
        MSTP118, MSTP117, MSTP116, MSTP113,
        MSTP106, MSTP101, MSTP100,
        MSTP223,
+       MSTP218, MSTP217, MSTP216,
        MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
        MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312,
        MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403,
@@ -534,6 +535,9 @@ static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP101] = MSTP(&div4_clks[DIV4_M1], SMSTPCR1, 1, 0), /* VPU */
 	[MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
 	[MSTP223] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR2, 23, 0), /* SPU2 */
+	[MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */
+	[MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */
+	[MSTP216] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 16, 0), /* DMAC3 */
 	[MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
 	[MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
 	[MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
@@ -626,6 +630,9 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
 	CLKDEV_DEV_ID("uio_pdrv_genirq.6", &mstp_clks[MSTP223]), /* SPU2DSP0 */
 	CLKDEV_DEV_ID("uio_pdrv_genirq.7", &mstp_clks[MSTP223]), /* SPU2DSP1 */
+	CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* DMAC1 */
+	CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* DMAC2 */
+	CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]), /* DMAC3 */
 	CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
 	CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP206]), /* SCIFB */
 	CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */

arch/blackfin/lib/strncpy.S

@@ -25,7 +25,7 @@
 
 ENTRY(_strncpy)
 	CC = R2 == 0;
-	if CC JUMP 4f;
+	if CC JUMP 6f;
 
 	P2 = R2 ;       /* size */
 	P0 = R0 ;       /* dst*/

arch/sh/Kconfig

@@ -161,7 +161,7 @@ config ARCH_HAS_CPU_IDLE_WAIT
 
 config NO_IOPORT
 	def_bool !PCI
-	depends on !SH_CAYMAN && !SH_SH4202_MICRODEV
+	depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN
 
 config IO_TRAPPED
 	bool

arch/sh/boards/mach-ap325rxa/setup.c

@@ -359,37 +359,31 @@ static struct soc_camera_link camera_link = {
 	.priv		= &camera_info,
 };
 
-static void dummy_release(struct device *dev)
-{
-}
+static struct platform_device *camera_device;
 
-static struct platform_device camera_device = {
-	.name		= "soc_camera_platform",
-	.dev		= {
-		.platform_data	= &camera_info,
-		.release	= dummy_release,
-	},
-};
+static void ap325rxa_camera_release(struct device *dev)
+{
+	soc_camera_platform_release(&camera_device);
+}
 
 static int ap325rxa_camera_add(struct soc_camera_link *icl,
 			       struct device *dev)
 {
-	if (icl != &camera_link || camera_probe() <= 0)
-		return -ENODEV;
+	int ret = soc_camera_platform_add(icl, dev, &camera_device, &camera_link,
+					  ap325rxa_camera_release, 0);
+	if (ret < 0)
+		return ret;
 
-	camera_info.dev = dev;
+	ret = camera_probe();
+	if (ret < 0)
+		soc_camera_platform_del(icl, camera_device, &camera_link);
 
-	return platform_device_register(&camera_device);
+	return ret;
 }
 
 static void ap325rxa_camera_del(struct soc_camera_link *icl)
 {
-	if (icl != &camera_link)
-		return;
-
-	platform_device_unregister(&camera_device);
-	memset(&camera_device.dev.kobj, 0,
-	       sizeof(camera_device.dev.kobj));
+	soc_camera_platform_del(icl, camera_device, &camera_link);
 }
 #endif /* CONFIG_I2C */
 

arch/sh/boards/mach-ecovec24/setup.c

@@ -885,6 +885,9 @@ static struct platform_device sh_mmcif_device = {
 	},
 	.num_resources	= ARRAY_SIZE(sh_mmcif_resources),
 	.resource	= sh_mmcif_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_MMC,
+	},
 };
 #endif
 

arch/sh/include/asm/pgtable.h

@@ -18,6 +18,7 @@
 #include <asm/pgtable-2level.h>
 #endif
 #include <asm/page.h>
+#include <asm/mmu.h>
 
 #ifndef __ASSEMBLY__
 #include <asm/addrspace.h>

arch/sh/include/asm/ptrace.h

@@ -41,7 +41,9 @@
 
 #define user_mode(regs)			(((regs)->sr & 0x40000000)==0)
 #define kernel_stack_pointer(_regs)	((unsigned long)(_regs)->regs[15])
-#define GET_USP(regs) ((regs)->regs[15])
+
+#define GET_FP(regs)	((regs)->regs[14])
+#define GET_USP(regs)	((regs)->regs[15])
 
 extern void show_regs(struct pt_regs *);
 
@@ -131,7 +133,7 @@ extern void ptrace_triggered(struct perf_event *bp, int nmi,
 
 static inline unsigned long profile_pc(struct pt_regs *regs)
 {
-	unsigned long pc = instruction_pointer(regs);
+	unsigned long pc = regs->pc;
 
 	if (virt_addr_uncached(pc))
 		return CAC_ADDR(pc);

arch/sh/include/asm/tlb.h

@@ -9,6 +9,7 @@
 #include <linux/pagemap.h>
 
 #ifdef CONFIG_MMU
+#include <linux/swap.h>
 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
 #include <asm/mmu_context.h>

arch/sh/include/cpu-sh4/cpu/sh7722.h

@@ -236,6 +236,7 @@ enum {
 };
 
 enum {
+	SHDMA_SLAVE_INVALID,
 	SHDMA_SLAVE_SCIF0_TX,
 	SHDMA_SLAVE_SCIF0_RX,
 	SHDMA_SLAVE_SCIF1_TX,

arch/sh/include/cpu-sh4/cpu/sh7724.h

@@ -285,6 +285,7 @@ enum {
 };
 
 enum {
+	SHDMA_SLAVE_INVALID,
 	SHDMA_SLAVE_SCIF0_TX,
 	SHDMA_SLAVE_SCIF0_RX,
 	SHDMA_SLAVE_SCIF1_TX,

arch/sh/include/cpu-sh4/cpu/sh7757.h

@@ -252,6 +252,7 @@ enum {
 };
 
 enum {
+	SHDMA_SLAVE_INVALID,
 	SHDMA_SLAVE_SDHI_TX,
 	SHDMA_SLAVE_SDHI_RX,
 	SHDMA_SLAVE_MMCIF_TX,

arch/sh/kernel/process_32.c

@@ -21,6 +21,7 @@
 #include <linux/fs.h>
 #include <linux/ftrace.h>
 #include <linux/hw_breakpoint.h>
+#include <linux/prefetch.h>
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
 #include <asm/system.h>

arch/sh/mm/consistent.c

@@ -82,7 +82,7 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 	void *addr;
 
 	addr = __in_29bit_mode() ?
-	       (void *)P1SEGADDR((unsigned long)vaddr) : vaddr;
+	       (void *)CAC_ADDR((unsigned long)vaddr) : vaddr;
 
 	switch (direction) {
 	case DMA_FROM_DEVICE:		/* invalidate only */

block/blk-ioc.c

@@ -21,7 +21,7 @@ static void cfq_dtor(struct io_context *ioc)
 	if (!hlist_empty(&ioc->cic_list)) {
 		struct cfq_io_context *cic;
 
-		cic = list_entry(ioc->cic_list.first, struct cfq_io_context,
+		cic = hlist_entry(ioc->cic_list.first, struct cfq_io_context,
 								cic_list);
 		cic->dtor(ioc);
 	}
@@ -57,7 +57,7 @@ static void cfq_exit(struct io_context *ioc)
 	if (!hlist_empty(&ioc->cic_list)) {
 		struct cfq_io_context *cic;
 
-		cic = list_entry(ioc->cic_list.first, struct cfq_io_context,
+		cic = hlist_entry(ioc->cic_list.first, struct cfq_io_context,
 								cic_list);
 		cic->exit(ioc);
 	}

block/cfq-iosched.c

@@ -185,7 +185,7 @@ struct cfq_group {
 	int nr_cfqq;
 
 	/*
-	 * Per group busy queus average. Useful for workload slice calc. We
+	 * Per group busy queues average. Useful for workload slice calc. We
 	 * create the array for each prio class but at run time it is used
 	 * only for RT and BE class and slot for IDLE class remains unused.
 	 * This is primarily done to avoid confusion and a gcc warning.
@@ -369,16 +369,16 @@ CFQ_CFQQ_FNS(wait_busy);
 #define cfq_log_cfqq(cfqd, cfqq, fmt, args...)	\
 	blk_add_trace_msg((cfqd)->queue, "cfq%d%c %s " fmt, (cfqq)->pid, \
 			cfq_cfqq_sync((cfqq)) ? 'S' : 'A', \
-			blkg_path(&(cfqq)->cfqg->blkg), ##args);
+			blkg_path(&(cfqq)->cfqg->blkg), ##args)
 
 #define cfq_log_cfqg(cfqd, cfqg, fmt, args...)				\
 	blk_add_trace_msg((cfqd)->queue, "%s " fmt,			\
-				blkg_path(&(cfqg)->blkg), ##args);      \
+				blkg_path(&(cfqg)->blkg), ##args)       \
 
 #else
 #define cfq_log_cfqq(cfqd, cfqq, fmt, args...)	\
 	blk_add_trace_msg((cfqd)->queue, "cfq%d " fmt, (cfqq)->pid, ##args)
-#define cfq_log_cfqg(cfqd, cfqg, fmt, args...)		do {} while (0);
+#define cfq_log_cfqg(cfqd, cfqg, fmt, args...)		do {} while (0)
 #endif
 #define cfq_log(cfqd, fmt, args...)	\
 	blk_add_trace_msg((cfqd)->queue, "cfq " fmt, ##args)
@@ -3786,9 +3786,6 @@ new_queue:
 	return 0;
 
 queue_fail:
-	if (cic)
-		put_io_context(cic->ioc);
-
 	cfq_schedule_dispatch(cfqd);
 	spin_unlock_irqrestore(q->queue_lock, flags);
 	cfq_log(cfqd, "set_request fail");

drivers/block/nbd.c

@@ -192,7 +192,8 @@ static int sock_xmit(struct nbd_device *lo, int send, void *buf, int size,
 			if (lo->xmit_timeout)
 				del_timer_sync(&ti);
 		} else
-			result = kernel_recvmsg(sock, &msg, &iov, 1, size, 0);
+			result = kernel_recvmsg(sock, &msg, &iov, 1, size,
+						msg.msg_flags);
 
 		if (signal_pending(current)) {
 			siginfo_t info;
@@ -753,9 +754,26 @@ static int __init nbd_init(void)
 		return -ENOMEM;
 
 	part_shift = 0;
-	if (max_part > 0)
+	if (max_part > 0) {
 		part_shift = fls(max_part);
 
+		/*
+		 * Adjust max_part according to part_shift as it is exported
+		 * to user space so that user can know the max number of
+		 * partition kernel should be able to manage.
+		 *
+		 * Note that -1 is required because partition 0 is reserved
+		 * for the whole disk.
+		 */
+		max_part = (1UL << part_shift) - 1;
+	}
+
+	if ((1UL << part_shift) > DISK_MAX_PARTS)
+		return -EINVAL;
+
+	if (nbds_max > 1UL << (MINORBITS - part_shift))
+		return -EINVAL;
+
 	for (i = 0; i < nbds_max; i++) {
 		struct gendisk *disk = alloc_disk(1 << part_shift);
 		if (!disk)

drivers/block/paride/pcd.c

@@ -321,7 +321,6 @@ static void pcd_init_units(void)
 		strcpy(disk->disk_name, cd->name);	/* umm... */
 		disk->fops = &pcd_bdops;
 		disk->flags = GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE;
-		disk->events = DISK_EVENT_MEDIA_CHANGE;
 	}
 }