Merge branch 'rotary-encoder' into next

Bring in updates to roraty encoder driver switching it away from legacy
platform data and over to generic device properties and adding support
for encoders using more than 2 GPIOs.

Author: dtor

Documentation/devicetree/bindings/dma/ti-edma.txt

@@ -22,8 +22,7 @@ Required properties:
 Optional properties:
 - ti,hwmods:	Name of the hwmods associated to the eDMA CC
 - ti,edma-memcpy-channels: List of channels allocated to be used for memcpy, iow
-		these channels will be SW triggered channels. The list must
-		contain 16 bits numbers, see example.
+		these channels will be SW triggered channels. See example.
 - ti,edma-reserved-slot-ranges: PaRAM slot ranges which should not be used by
 		the driver, they are allocated to be used by for example the
 		DSP. See example.
@@ -56,10 +55,9 @@ edma: edma@49000000 {
 	ti,tptcs = <&edma_tptc0 7>, <&edma_tptc1 7>, <&edma_tptc2 0>;
 
 	/* Channel 20 and 21 is allocated for memcpy */
-	ti,edma-memcpy-channels = /bits/ 16 <20 21>;
-	/* The following PaRAM slots are reserved: 35-45 and 100-110 */
-	ti,edma-reserved-slot-ranges = /bits/ 16 <35 10>,
-				       /bits/ 16 <100 10>;
+	ti,edma-memcpy-channels = <20 21>;
+	/* The following PaRAM slots are reserved: 35-44 and 100-109 */
+	ti,edma-reserved-slot-ranges = <35 10>, <100 10>;
 };
 
 edma_tptc0: tptc@49800000 {

Documentation/devicetree/bindings/input/rotary-encoder.txt

@@ -1,7 +1,7 @@
 Rotary encoder DT bindings
 
 Required properties:
-- gpios: a spec for two GPIOs to be used
+- gpios: a spec for at least two GPIOs to be used, most significant first
 
 Optional properties:
 - linux,axis: the input subsystem axis to map to this rotary encoder.

Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt

@@ -12,7 +12,7 @@ Each key is represented as a sub-node of "allwinner,sun4i-a10-lradc-keys":
 Required subnode-properties:
 	- label: Descriptive name of the key.
 	- linux,code: Keycode to emit.
-	- channel: Channel this key is attached to, mut be 0 or 1.
+	- channel: Channel this key is attached to, must be 0 or 1.
 	- voltage: Voltage in µV at lradc input when this key is pressed.
 
 Example:

Documentation/devicetree/bindings/mtd/partition.txt

@@ -6,7 +6,9 @@ used for what purposes, but which don't use an on-flash partition table such
 as RedBoot.
 
 The partition table should be a subnode of the mtd node and should be named
-'partitions'. Partitions are defined in subnodes of the partitions node.
+'partitions'. This node should have the following property:
+- compatible : (required) must be "fixed-partitions"
+Partitions are then defined in subnodes of the partitions node.
 
 For backwards compatibility partitions as direct subnodes of the mtd device are
 supported. This use is discouraged.
@@ -36,6 +38,7 @@ Examples:
 
 flash@0 {
 	partitions {
+		compatible = "fixed-partitions";
 		#address-cells = <1>;
 		#size-cells = <1>;
 
@@ -53,6 +56,7 @@ flash@0 {
 
 flash@1 {
 	partitions {
+		compatible = "fixed-partitions";
 		#address-cells = <1>;
 		#size-cells = <2>;
 
@@ -66,6 +70,7 @@ flash@1 {
 
 flash@2 {
 	partitions {
+		compatible = "fixed-partitions";
 		#address-cells = <2>;
 		#size-cells = <2>;
 

Documentation/devicetree/bindings/net/cpsw.txt

@@ -40,18 +40,18 @@ Optional properties:
 
 Slave Properties:
 Required properties:
-- phy_id		: Specifies slave phy id
 - phy-mode		: See ethernet.txt file in the same directory
 
 Optional properties:
 - dual_emac_res_vlan	: Specifies VID to be used to segregate the ports
 - mac-address		: See ethernet.txt file in the same directory
+- phy_id		: Specifies slave phy id
 - phy-handle		: See ethernet.txt file in the same directory
 
 Slave sub-nodes:
 - fixed-link		: See fixed-link.txt file in the same directory
-			  Either the properties phy_id and phy-mode,
-			  or the sub-node fixed-link can be specified
+			  Either the property phy_id, or the sub-node
+			  fixed-link can be specified
 
 Note: "ti,hwmods" field is used to fetch the base address and irq
 resources from TI, omap hwmod data base during device registration.

Documentation/networking/e100.txt

@@ -181,17 +181,3 @@ For general information, go to the Intel support website at:
 If an issue is identified with the released source code on the supported
 kernel with a supported adapter, email the specific information related to the
 issue to [email protected].
-
-
-License
-=======
-
-This software program is released under the terms of a license agreement
-between you ('Licensee') and Intel. Do not use or load this software or any
-associated materials (collectively, the 'Software') until you have carefully
-read the full terms and conditions of the file COPYING located in this software
-package. By loading or using the Software, you agree to the terms of this
-Agreement. If you do not agree with the terms of this Agreement, do not install
-or use the Software.
-
-* Other names and brands may be claimed as the property of others.

MAINTAINERS

@@ -5578,7 +5578,7 @@ R:	Jesse Brandeburg <[email protected]>
 R:	Shannon Nelson <[email protected]>
 R:	Carolyn Wyborny <[email protected]>
 R:	Don Skidmore <[email protected]>
-R:	Matthew Vick <matthew.vick@intel.com>
+R:	Bruce Allan <bruce.w.allan@intel.com>
 R:	John Ronciak <[email protected]>
 R:	Mitch Williams <[email protected]>
 L:	[email protected]
@@ -8380,6 +8380,14 @@ L:	[email protected] (moderated for non-subscribers)
 S:	Maintained
 F:	drivers/pinctrl/samsung/
 
+PIN CONTROLLER - SINGLE
+M:	Tony Lindgren <[email protected]>
+M:	Haojian Zhuang <[email protected]>
+L:	[email protected] (moderated for non-subscribers)
+L:	[email protected]
+S:	Maintained
+F:	drivers/pinctrl/pinctrl-single.c
+
 PIN CONTROLLER - ST SPEAR
 M:	Viresh Kumar <[email protected]>
 L:	[email protected]
@@ -8946,6 +8954,13 @@ F:	drivers/rpmsg/
 F:	Documentation/rpmsg.txt
 F:	include/linux/rpmsg.h
 
+RENESAS ETHERNET DRIVERS
+R:	Sergei Shtylyov <[email protected]>
+L:	[email protected]
+L:	[email protected]
+F:	drivers/net/ethernet/renesas/
+F:	include/linux/sh_eth.h
+
 RESET CONTROLLER FRAMEWORK
 M:	Philipp Zabel <[email protected]>
 S:	Maintained

Makefile

@@ -1,7 +1,7 @@
 VERSION = 4
 PATCHLEVEL = 4
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION =
 NAME = Blurry Fish Butt
 
 # *DOCUMENTATION*

arch/arc/Kconfig

@@ -445,6 +445,7 @@ config LINUX_LINK_BASE
 	  However some customers have peripherals mapped at this addr, so
 	  Linux needs to be scooted a bit.
 	  If you don't know what the above means, leave this setting alone.
+	  This needs to match memory start address specified in Device Tree
 
 config HIGHMEM
 	bool "High Memory Support"

arch/arc/Makefile

@@ -81,7 +81,7 @@ endif
 LIBGCC	:= $(shell $(CC) $(cflags-y) --print-libgcc-file-name)
 
 # Modules with short calls might break for calls into builtin-kernel
-KBUILD_CFLAGS_MODULE	+= -mlong-calls
+KBUILD_CFLAGS_MODULE	+= -mlong-calls -mno-millicode
 
 # Finally dump eveything into kernel build system
 KBUILD_CFLAGS	+= $(cflags-y)

arch/arc/boot/dts/axs10x_mb.dtsi

@@ -46,6 +46,7 @@
 			snps,pbl = < 32 >;
 			clocks = <&apbclk>;
 			clock-names = "stmmaceth";
+			max-speed = <100>;
 		};
 
 		ehci@0x40000 {

arch/arc/boot/dts/nsim_hs.dts

@@ -17,7 +17,8 @@
 
 	memory {
 		device_type = "memory";
-		reg = <0x0 0x80000000 0x0 0x40000000	/* 1 GB low mem */
+		/* CONFIG_LINUX_LINK_BASE needs to match low mem start */
+		reg = <0x0 0x80000000 0x0 0x20000000	/* 512 MB low mem */
 		       0x1 0x00000000 0x0 0x40000000>;	/* 1 GB highmem */
 	};
 

arch/arc/include/asm/cache.h

@@ -62,9 +62,7 @@ extern int ioc_exists;
 #define ARC_REG_IC_IVIC		0x10
 #define ARC_REG_IC_CTRL		0x11
 #define ARC_REG_IC_IVIL		0x19
-#if defined(CONFIG_ARC_MMU_V3) || defined(CONFIG_ARC_MMU_V4)
 #define ARC_REG_IC_PTAG		0x1E
-#endif
 #define ARC_REG_IC_PTAG_HI	0x1F
 
 /* Bit val in IC_CTRL */

arch/arc/include/asm/mach_desc.h

@@ -23,7 +23,7 @@
  * @dt_compat:		Array of device tree 'compatible' strings
  * 			(XXX: although only 1st entry is looked at)
  * @init_early:		Very early callback [called from setup_arch()]
- * @init_cpu_smp:	for each CPU as it is coming up (SMP as well as UP)
+ * @init_per_cpu:	for each CPU as it is coming up (SMP as well as UP)
  * 			[(M):init_IRQ(), (o):start_kernel_secondary()]
  * @init_machine:	arch initcall level callback (e.g. populate static
  * 			platform devices or parse Devicetree)
@@ -35,7 +35,7 @@ struct machine_desc {
 	const char		**dt_compat;
 	void			(*init_early)(void);
 #ifdef CONFIG_SMP
-	void			(*init_cpu_smp)(unsigned int);
+	void			(*init_per_cpu)(unsigned int);
 #endif
 	void			(*init_machine)(void);
 	void			(*init_late)(void);

arch/arc/include/asm/smp.h

@@ -48,7 +48,7 @@ extern int smp_ipi_irq_setup(int cpu, int irq);
  * @init_early_smp:	A SMP specific h/w block can init itself
  * 			Could be common across platforms so not covered by
  * 			mach_desc->init_early()
- * @init_irq_cpu:	Called for each core so SMP h/w block driver can do
+ * @init_per_cpu:	Called for each core so SMP h/w block driver can do
  * 			any needed setup per cpu (e.g. IPI request)
  * @cpu_kick:		For Master to kickstart a cpu (optionally at a PC)
  * @ipi_send:		To send IPI to a @cpu
@@ -57,7 +57,7 @@ extern int smp_ipi_irq_setup(int cpu, int irq);
 struct plat_smp_ops {
 	const char 	*info;
 	void		(*init_early_smp)(void);
-	void		(*init_irq_cpu)(int cpu);
+	void		(*init_per_cpu)(int cpu);
 	void		(*cpu_kick)(int cpu, unsigned long pc);
 	void		(*ipi_send)(int cpu);
 	void		(*ipi_clear)(int irq);

arch/arc/include/asm/unwind.h

@@ -112,7 +112,6 @@ struct unwind_frame_info {
 
 extern int arc_unwind(struct unwind_frame_info *frame);
 extern void arc_unwind_init(void);
-extern void arc_unwind_setup(void);
 extern void *unwind_add_table(struct module *module, const void *table_start,
 			      unsigned long table_size);
 extern void unwind_remove_table(void *handle, int init_only);
@@ -152,9 +151,6 @@ static inline void arc_unwind_init(void)
 {
 }
 
-static inline void arc_unwind_setup(void)
-{
-}
 #define unwind_add_table(a, b, c)
 #define unwind_remove_table(a, b)
 

arch/arc/kernel/intc-arcv2.c

@@ -106,10 +106,21 @@ static struct irq_chip arcv2_irq_chip = {
 static int arcv2_irq_map(struct irq_domain *d, unsigned int irq,
 			 irq_hw_number_t hw)
 {
-	if (irq == TIMER0_IRQ || irq == IPI_IRQ)
+	/*
+	 * core intc IRQs [16, 23]:
+	 * Statically assigned always private-per-core (Timers, WDT, IPI, PCT)
+	 */
+	if (hw < 24) {
+		/*
+		 * A subsequent request_percpu_irq() fails if percpu_devid is
+		 * not set. That in turns sets NOAUTOEN, meaning each core needs
+		 * to call enable_percpu_irq()
+		 */
+		irq_set_percpu_devid(irq);
 		irq_set_chip_and_handler(irq, &arcv2_irq_chip, handle_percpu_irq);
-	else
+	} else {
 		irq_set_chip_and_handler(irq, &arcv2_irq_chip, handle_level_irq);
+	}
 
 	return 0;
 }

arch/arc/kernel/irq.c

@@ -29,11 +29,11 @@ void __init init_IRQ(void)
 
 #ifdef CONFIG_SMP
 	/* a SMP H/w block could do IPI IRQ request here */
-	if (plat_smp_ops.init_irq_cpu)
-		plat_smp_ops.init_irq_cpu(smp_processor_id());
+	if (plat_smp_ops.init_per_cpu)
+		plat_smp_ops.init_per_cpu(smp_processor_id());
 
-	if (machine_desc->init_cpu_smp)
-		machine_desc->init_cpu_smp(smp_processor_id());
+	if (machine_desc->init_per_cpu)
+		machine_desc->init_per_cpu(smp_processor_id());
 #endif
 }
 
@@ -51,6 +51,18 @@ void arch_do_IRQ(unsigned int irq, struct pt_regs *regs)
 	set_irq_regs(old_regs);
 }
 
+/*
+ * API called for requesting percpu interrupts - called by each CPU
+ *  - For boot CPU, actually request the IRQ with genirq core + enables
+ *  - For subsequent callers only enable called locally
+ *
+ * Relies on being called by boot cpu first (i.e. request called ahead) of
+ * any enable as expected by genirq. Hence Suitable only for TIMER, IPI
+ * which are guaranteed to be setup on boot core first.
+ * Late probed peripherals such as perf can't use this as there no guarantee
+ * of being called on boot CPU first.
+ */
+
 void arc_request_percpu_irq(int irq, int cpu,
                             irqreturn_t (*isr)(int irq, void *dev),
                             const char *irq_nm,
@@ -60,14 +72,17 @@ void arc_request_percpu_irq(int irq, int cpu,
 	if (!cpu) {
 		int rc;
 
+#ifdef CONFIG_ISA_ARCOMPACT
 		/*
-		 * These 2 calls are essential to making percpu IRQ APIs work
-		 * Ideally these details could be hidden in irq chip map function
-		 * but the issue is IPIs IRQs being static (non-DT) and platform
-		 * specific, so we can't identify them there.
+		 * A subsequent request_percpu_irq() fails if percpu_devid is
+		 * not set. That in turns sets NOAUTOEN, meaning each core needs
+		 * to call enable_percpu_irq()
+		 *
+		 * For ARCv2, this is done in irq map function since we know
+		 * which irqs are strictly per cpu
 		 */
 		irq_set_percpu_devid(irq);
-		irq_modify_status(irq, IRQ_NOAUTOEN, 0);  /* @irq, @clr, @set */
+#endif
 
 		rc = request_percpu_irq(irq, isr, irq_nm, percpu_dev);
 		if (rc)

arch/arc/kernel/mcip.c

@@ -132,7 +132,7 @@ static void mcip_probe_n_setup(void)
 struct plat_smp_ops plat_smp_ops = {
 	.info		= smp_cpuinfo_buf,
 	.init_early_smp	= mcip_probe_n_setup,
-	.init_irq_cpu	= mcip_setup_per_cpu,
+	.init_per_cpu	= mcip_setup_per_cpu,
 	.ipi_send	= mcip_ipi_send,
 	.ipi_clear	= mcip_ipi_clear,
 };