Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux…

…/kernel/git/gregkh/driver-core * 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (73 commits) arm: fix up some samsung merge sysdev conversion problems firmware: Fix an oops on reading fw_priv->fw in sysfs loading file Drivers:hv: Fix a bug in vmbus_driver_unregister() driver core: remove __must_check from device_create_file debugfs: add missing #ifdef HAS_IOMEM arm: time.h: remove device.h #include driver-core: remove sysdev.h usage. clockevents: remove sysdev.h arm: convert sysdev_class to a regular subsystem arm: leds: convert sysdev_class to a regular subsystem kobject: remove kset_find_obj_hinted() m86k: gpio - convert sysdev_class to a regular subsystem mips: txx9_sram - convert sysdev_class to a regular subsystem mips: 7segled - convert sysdev_class to a regular subsystem sh: dma - convert sysdev_class to a regular subsystem sh: intc - convert sysdev_class to a regular subsystem power: suspend - convert sysdev_class to a regular subsystem power: qe_ic - convert sysdev_class to a regular subsystem power: cmm - convert sysdev_class to a regular subsystem s390: time - convert sysdev_class to a regular subsystem ... Fix up conflicts with 'struct sysdev' removal from various platform drivers that got changed: - arch/arm/mach-exynos/cpu.c - arch/arm/mach-exynos/irq-eint.c - arch/arm/mach-s3c64xx/common.c - arch/arm/mach-s3c64xx/cpu.c - arch/arm/mach-s5p64x0/cpu.c - arch/arm/mach-s5pv210/common.c - arch/arm/plat-samsung/include/plat/cpu.h - arch/powerpc/kernel/sysfs.c and fix up cpu_is_hotpluggable() as per Greg in include/linux/cpu.h
wshizhx · Jan 7, 2012 · 7affca3 · 7affca3
2 parents 356b954 + ff4b8a5
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diff --git a/Documentation/HOWTO b/Documentation/HOWTO
@@ -275,8 +275,8 @@ versions.
 If no 2.6.x.y kernel is available, then the highest numbered 2.6.x
 kernel is the current stable kernel.
 
-2.6.x.y are maintained by the "stable" team <stable@kernel.org>, and are
-released as needs dictate.  The normal release period is approximately 
+2.6.x.y are maintained by the "stable" team <stable@vger.kernel.org>, and
+are released as needs dictate.  The normal release period is approximately
 two weeks, but it can be longer if there are no pressing problems.  A
 security-related problem, instead, can cause a release to happen almost
 instantly.

diff --git a/Documentation/development-process/5.Posting b/Documentation/development-process/5.Posting
@@ -271,10 +271,10 @@ copies should go to:
    the linux-kernel list.
 
  - If you are fixing a bug, think about whether the fix should go into the
-   next stable update.  If so, stable@kernel.org should get a copy of the
-   patch.  Also add a "Cc: stable@kernel.org" to the tags within the patch
-   itself; that will cause the stable team to get a notification when your
-   fix goes into the mainline.
+   next stable update.  If so, stable@vger.kernel.org should get a copy of
+   the patch.  Also add a "Cc: stable@vger.kernel.org" to the tags within
+   the patch itself; that will cause the stable team to get a notification
+   when your fix goes into the mainline.
 
 When selecting recipients for a patch, it is good to have an idea of who
 you think will eventually accept the patch and get it merged.  While it

diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt
@@ -262,6 +262,7 @@ IOMAP
   devm_ioremap()
   devm_ioremap_nocache()
   devm_iounmap()
+  devm_request_and_ioremap() : checks resource, requests region, ioremaps
   pcim_iomap()
   pcim_iounmap()
   pcim_iomap_table()	: array of mapped addresses indexed by BAR

diff --git a/Documentation/filesystems/debugfs.txt b/Documentation/filesystems/debugfs.txt
@@ -97,7 +97,8 @@ A read on the resulting file will yield either Y (for non-zero values) or
 N, followed by a newline.  If written to, it will accept either upper- or
 lower-case values, or 1 or 0.  Any other input will be silently ignored.
 
-Finally, a block of arbitrary binary data can be exported with:
+Another option is exporting a block of arbitrary binary data, with
+this structure and function:
 
     struct debugfs_blob_wrapper {
 	void *data;
@@ -115,6 +116,35 @@ can be used to export binary information, but there does not appear to be
 any code which does so in the mainline.  Note that all files created with
 debugfs_create_blob() are read-only.
 
+If you want to dump a block of registers (something that happens quite
+often during development, even if little such code reaches mainline.
+Debugfs offers two functions: one to make a registers-only file, and
+another to insert a register block in the middle of another sequential
+file.
+
+    struct debugfs_reg32 {
+	char *name;
+	unsigned long offset;
+    };
+
+    struct debugfs_regset32 {
+	struct debugfs_reg32 *regs;
+	int nregs;
+	void __iomem *base;
+    };
+
+    struct dentry *debugfs_create_regset32(const char *name, mode_t mode,
+				     struct dentry *parent,
+				     struct debugfs_regset32 *regset);
+
+    int debugfs_print_regs32(struct seq_file *s, struct debugfs_reg32 *regs,
+			 int nregs, void __iomem *base, char *prefix);
+
+The "base" argument may be 0, but you may want to build the reg32 array
+using __stringify, and a number of register names (macros) are actually
+byte offsets over a base for the register block.
+
+
 There are a couple of other directory-oriented helper functions:
 
     struct dentry *debugfs_rename(struct dentry *old_dir, 

diff --git a/MAINTAINERS b/MAINTAINERS
@@ -6259,7 +6259,7 @@ F:	arch/alpha/kernel/srm_env.c
 
 STABLE BRANCH
 M:	Greg Kroah-Hartman <greg@kroah.com>
-L:	stable@kernel.org
+L:	stable@vger.kernel.org
 S:	Maintained
 
 STAGING SUBSYSTEM

diff --git a/arch/arm/include/asm/mach/time.h b/arch/arm/include/asm/mach/time.h
@@ -10,8 +10,6 @@
 #ifndef __ASM_ARM_MACH_TIME_H
 #define __ASM_ARM_MACH_TIME_H
 
-#include <linux/sysdev.h>
-
 /*
  * This is our kernel timer structure.
  *

diff --git a/arch/arm/kernel/leds.c b/arch/arm/kernel/leds.c
@@ -9,7 +9,7 @@
  */
 #include <linux/export.h>
 #include <linux/init.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/syscore_ops.h>
 #include <linux/string.h>
 
@@ -34,8 +34,8 @@ static const struct leds_evt_name evt_names[] = {
 	{ "red",   led_red_on,   led_red_off   },
 };
 
-static ssize_t leds_store(struct sys_device *dev,
-			struct sysdev_attribute *attr,
+static ssize_t leds_store(struct device *dev,
+			struct device_attribute *attr,
 			const char *buf, size_t size)
 {
 	int ret = -EINVAL, len = strcspn(buf, " ");
@@ -69,15 +69,16 @@ static ssize_t leds_store(struct sys_device *dev,
 	return ret;
 }
 
-static SYSDEV_ATTR(event, 0200, NULL, leds_store);
+static DEVICE_ATTR(event, 0200, NULL, leds_store);
 
-static struct sysdev_class leds_sysclass = {
+static struct bus_type leds_subsys = {
 	.name		= "leds",
+	.dev_name	= "leds",
 };
 
-static struct sys_device leds_device = {
+static struct device leds_device = {
 	.id		= 0,
-	.cls		= &leds_sysclass,
+	.bus		= &leds_subsys,
 };
 
 static int leds_suspend(void)
@@ -105,11 +106,11 @@ static struct syscore_ops leds_syscore_ops = {
 static int __init leds_init(void)
 {
 	int ret;
-	ret = sysdev_class_register(&leds_sysclass);
+	ret = subsys_system_register(&leds_subsys, NULL);
 	if (ret == 0)
-		ret = sysdev_register(&leds_device);
+		ret = device_register(&leds_device);
 	if (ret == 0)
-		ret = sysdev_create_file(&leds_device, &attr_event);
+		ret = device_create_file(&leds_device, &dev_attr_event);
 	if (ret == 0)
 		register_syscore_ops(&leds_syscore_ops);
 	return ret;

diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c
@@ -25,7 +25,6 @@
 #include <linux/device.h>
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
-#include <linux/sysdev.h>
 #include <linux/interrupt.h>
 #include <linux/amba/bus.h>
 #include <linux/clkdev.h>

diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
@@ -13,7 +13,7 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/io.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/gpio.h>
 #include <linux/sched.h>
 #include <linux/serial_core.h>
@@ -423,17 +423,18 @@ void __init exynos4_init_irq(void)
 	s5p_init_irq(NULL, 0);
 }
 
-struct sysdev_class exynos4_sysclass = {
-	.name	= "exynos4-core",
+struct bus_type exynos4_subsys = {
+	.name		= "exynos4-core",
+	.dev_name	= "exynos4-core",
 };
 
-static struct sys_device exynos4_sysdev = {
-	.cls	= &exynos4_sysclass,
+static struct device exynos4_dev = {
+	.bus	= &exynos4_subsys,
 };
 
 static int __init exynos4_core_init(void)
 {
-	return sysdev_class_register(&exynos4_sysclass);
+	return subsys_system_register(&exynos4_subsys, NULL);
 }
 core_initcall(exynos4_core_init);
 
@@ -470,7 +471,7 @@ int __init exynos_init(void)
 	/* set idle function */
 	pm_idle = exynos_idle;
 
-	return sysdev_register(&exynos4_sysdev);
+	return device_register(&exynos4_dev);
 }
 
 static struct s3c24xx_uart_clksrc exynos4_serial_clocks[] = {

diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
@@ -205,7 +205,7 @@ static void exynos4_pm_prepare(void)
 
 }
 
-static int exynos4_pm_add(struct sys_device *sysdev)
+static int exynos4_pm_add(struct device *dev)
 {
 	pm_cpu_prep = exynos4_pm_prepare;
 	pm_cpu_sleep = exynos4_cpu_suspend;
@@ -301,8 +301,10 @@ static void exynos4_restore_pll(void)
 	} while (epll_wait || vpll_wait);
 }
 
-static struct sysdev_driver exynos4_pm_driver = {
-	.add		= exynos4_pm_add,
+static struct subsys_interface exynos4_pm_interface = {
+	.name		= "exynos4_pm",
+	.subsys		= &exynos4_subsys,
+	.add_dev	= exynos4_pm_add,
 };
 
 static __init int exynos4_pm_drvinit(void)
@@ -325,7 +327,7 @@ static __init int exynos4_pm_drvinit(void)
 		clk_put(pll_base);
 	}
 
-	return sysdev_driver_register(&exynos4_sysclass, &exynos4_pm_driver);
+	return subsys_interface_register(&exynos4_pm_interface);
 }
 arch_initcall(exynos4_pm_drvinit);
 

diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
@@ -14,7 +14,7 @@
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <linux/string.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/amba/bus.h>
 #include <linux/amba/kmi.h>
 #include <linux/amba/clcd.h>

diff --git a/arch/arm/mach-ks8695/irq.c b/arch/arm/mach-ks8695/irq.c
@@ -23,7 +23,7 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/io.h>
 
 #include <mach/hardware.h>

diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-lpc32xx/phy3250.c
@@ -18,7 +18,7 @@
 
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/dma-mapping.h>

diff --git a/arch/arm/mach-msm/board-sapphire.c b/arch/arm/mach-msm/board-sapphire.c
@@ -18,7 +18,7 @@
 #include <linux/input.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 
 #include <linux/delay.h>
 

diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
@@ -21,7 +21,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/interrupt.h>
 #include <linux/amba/bus.h>
 #include <linux/amba/clcd.h>

diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
@@ -21,7 +21,7 @@
 
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/amba/bus.h>
 #include <linux/amba/pl061.h>
 #include <linux/amba/mmci.h>

diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
@@ -21,7 +21,7 @@
 
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/amba/bus.h>
 #include <linux/amba/pl061.h>
 #include <linux/amba/mmci.h>

diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
@@ -21,7 +21,7 @@
 
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/amba/bus.h>
 #include <linux/amba/pl061.h>
 #include <linux/amba/mmci.h>

diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c
@@ -21,7 +21,7 @@
 
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/amba/bus.h>
 #include <linux/amba/pl061.h>
 #include <linux/amba/mmci.h>

diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
@@ -20,7 +20,7 @@
 
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/amba/bus.h>
 #include <linux/amba/pl061.h>
 #include <linux/amba/mmci.h>

diff --git a/arch/arm/mach-s3c2410/bast-irq.c b/arch/arm/mach-s3c2410/bast-irq.c
@@ -24,7 +24,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/ioport.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/io.h>
 
 #include <asm/mach-types.h>

diff --git a/arch/arm/mach-s3c2410/cpu-freq.c b/arch/arm/mach-s3c2410/cpu-freq.c
@@ -16,7 +16,7 @@
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/cpufreq.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/io.h>
@@ -115,24 +115,25 @@ static struct s3c_cpufreq_info s3c2410_cpufreq_info = {
 	.debug_io_show	= s3c_cpufreq_debugfs_call(s3c2410_iotiming_debugfs),
 };
 
-static int s3c2410_cpufreq_add(struct sys_device *sysdev)
+static int s3c2410_cpufreq_add(struct device *dev)
 {
 	return s3c_cpufreq_register(&s3c2410_cpufreq_info);
 }
 
-static struct sysdev_driver s3c2410_cpufreq_driver = {
-	.add		= s3c2410_cpufreq_add,
+static struct subsys_interface s3c2410_cpufreq_interface = {
+	.name		= "s3c2410_cpufreq",
+	.subsys		= &s3c2410_subsys,
+	.add_dev	= s3c2410_cpufreq_add,
 };
 
 static int __init s3c2410_cpufreq_init(void)
 {
-	return sysdev_driver_register(&s3c2410_sysclass,
-				      &s3c2410_cpufreq_driver);
+	return subsys_interface_register(&s3c2410_cpufreq_interface);
 }
 
 arch_initcall(s3c2410_cpufreq_init);
 
-static int s3c2410a_cpufreq_add(struct sys_device *sysdev)
+static int s3c2410a_cpufreq_add(struct device *dev)
 {
 	/* alter the maximum freq settings for S3C2410A. If a board knows
 	 * it only has a maximum of 200, then it should register its own
@@ -143,17 +144,18 @@ static int s3c2410a_cpufreq_add(struct sys_device *sysdev)
 	s3c2410_cpufreq_info.max.pclk =  66500000;
 	s3c2410_cpufreq_info.name = "s3c2410a";
 
-	return s3c2410_cpufreq_add(sysdev);
+	return s3c2410_cpufreq_add(dev);
 }
 
-static struct sysdev_driver s3c2410a_cpufreq_driver = {
-	.add		= s3c2410a_cpufreq_add,
+static struct subsys_interface s3c2410a_cpufreq_interface = {
+	.name		= "s3c2410a_cpufreq",
+	.subsys		= &s3c2410a_subsys,
+	.add_dev	= s3c2410a_cpufreq_add,
 };
 
 static int __init s3c2410a_cpufreq_init(void)
 {
-	return sysdev_driver_register(&s3c2410a_sysclass,
-				      &s3c2410a_cpufreq_driver);
+	return subsys_interface_register(&s3c2410a_cpufreq_interface);
 }
 
 arch_initcall(s3c2410a_cpufreq_init);