Merge tag 'mips_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - DT cleanups

 - fix for early use of kzalloc on mt7621 platform

 - cleanups and fixes

* tag 'mips_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (21 commits)
  MIPS: OCTEON: warn only once if deprecated link status is being used
  MIPS: BCM63xx: Add check for NULL for clk in clk_enable
  platform/mips: Adjust Kconfig to keep consistency
  MIPS: OCTEON: cvmx-bootmem: use strscpy() to instead of strncpy()
  MIPS: mscc: jaguar2: Fix pca9545 i2c-mux node names
  mips/pci: use devm_platform_ioremap_resource()
  mips: ralink: mt7621: do not use kzalloc too early
  mips: ralink: mt7621: soc queries and tests as functions
  mips: ralink: mt7621: define MT7621_SYSC_BASE with __iomem
  MIPS: Restore symbol versions for copy_page_cpu and clear_page_cpu
  mips: dts: remove label = "cpu" from DSA dt-binding
  mips: ralink: mt7621: change DSA port labels to generic naming
  mips: ralink: mt7621: fix phy-mode of external phy on GB-PC2
  MIPS: vpe-cmp: fix possible memory leak while module exiting
  MIPS: vpe-mt: fix possible memory leak while module exiting
  dt-bindings: mips: brcm: add Broadcom SoCs bindings
  dt-bindings: mips: add CPU bindings for MIPS architecture
  mips: dts: brcm: bcm7435: add "interrupt-names" for NAND controller
  mips: dts: bcm63268: add TWD block timer
  MIPS: Use "grep -E" instead of "egrep"
  ...

19 files changed, 101 insertions, 54 deletions

diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index b296e33f8e33..490dea07d4e0 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -318,7 +318,7 @@ KBUILD_LDFLAGS		+= -m $(ld-emul)
 
 ifdef CONFIG_MIPS
 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
-	egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
+	grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
 	sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
 endif
 
diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c
index 6e6756e8fa0a..86a6e2590866 100644
--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -361,6 +361,8 @@ static struct clk clk_periph = {
  */
 int clk_enable(struct clk *clk)
 {
+	if (!clk)
+		return 0;
 	mutex_lock(&clocks_mutex);
 	clk_enable_unlocked(clk);
 	mutex_unlock(&clocks_mutex);
diff --git a/arch/mips/boot/dts/brcm/bcm63268.dtsi b/arch/mips/boot/dts/brcm/bcm63268.dtsi
index 8926417a8fbc..c663efce91cf 100644
--- a/arch/mips/boot/dts/brcm/bcm63268.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm63268.dtsi
@@ -110,6 +110,11 @@
 			reg = <0x10000080 0x30>;
 			ranges = <0x0 0x10000080 0x30>;
 
+			timer@0 {
+				compatible = "brcm,bcm6345-timer";
+				reg = <0x0 0x1c>;
+			};
+
 			wdt: watchdog@1c {
 				compatible = "brcm,bcm7038-wdt";
 				reg = <0x1c 0xc>;
diff --git a/arch/mips/boot/dts/brcm/bcm7435.dtsi b/arch/mips/boot/dts/brcm/bcm7435.dtsi
index 8c001b944c8b..cfdf9804e126 100644
--- a/arch/mips/boot/dts/brcm/bcm7435.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7435.dtsi
@@ -422,6 +422,7 @@
 			reg = <0x41c800 0x600>, <0x41d000 0x100>;
 			interrupt-parent = <&hif_l2_intc>;
 			interrupts = <24>, <4>;
+			interrupt-names = "nand_ctlrdy", "flash_dma_done";
 			status = "disabled";
 		};
 
diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
index 37c46720c719..f38c39572a9e 100644
--- a/arch/mips/boot/dts/ingenic/ci20.dts
+++ b/arch/mips/boot/dts/ingenic/ci20.dts
@@ -438,7 +438,7 @@
 		ingenic,nemc-tAW = <50>;
 		ingenic,nemc-tSTRV = <100>;
 
-		reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&gpf 12 GPIO_ACTIVE_LOW>;
 		vcc-supply = <&eth0_power>;
 
 		interrupt-parent = <&gpe>;
diff --git a/arch/mips/boot/dts/mscc/jaguar2_pcb110.dts b/arch/mips/boot/dts/mscc/jaguar2_pcb110.dts
index 0ea7bc5b5746..1813f4e32e55 100644
--- a/arch/mips/boot/dts/mscc/jaguar2_pcb110.dts
+++ b/arch/mips/boot/dts/mscc/jaguar2_pcb110.dts
@@ -208,7 +208,7 @@
 };
 
 &i2c0 {
-	pca9545@70 {
+	i2c-mux@70 {
 		compatible = "nxp,pca9545";
 		reg = <0x70>;
 		#address-cells = <1>;
@@ -236,7 +236,7 @@
 			reg = <3>;
 		};
 	};
-	pca9545@71 {
+	i2c-mux@71 {
 		compatible = "nxp,pca9545";
 		reg = <0x71>;
 		#address-cells = <1>;
diff --git a/arch/mips/boot/dts/qca/ar9331.dtsi b/arch/mips/boot/dts/qca/ar9331.dtsi
index c4102b280b47..768ac0f869b1 100644
--- a/arch/mips/boot/dts/qca/ar9331.dtsi
+++ b/arch/mips/boot/dts/qca/ar9331.dtsi
@@ -176,7 +176,6 @@
 
 						switch_port0: port@0 {
 							reg = <0x0>;
-							label = "cpu";
 							ethernet = <&eth1>;
 
 							phy-mode = "gmii";
diff --git a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts
index 7515555388ae..e31417569e09 100644
--- a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts
+++ b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts
@@ -113,13 +113,13 @@
 
 &gmac1 {
 	status = "okay";
+	phy-mode = "rgmii-rxid";
 	phy-handle = <&ethphy5>;
 };
 
 &mdio {
 	ethphy5: ethernet-phy@5 {
 		reg = <5>;
-		phy-mode = "rgmii-rxid";
 	};
 };
 
diff --git a/arch/mips/boot/dts/ralink/mt7621.dtsi b/arch/mips/boot/dts/ralink/mt7621.dtsi
index f3f4c1f26e01..aec85c779359 100644
--- a/arch/mips/boot/dts/ralink/mt7621.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7621.dtsi
@@ -357,36 +357,35 @@
 					port@0 {
 						status = "disabled";
 						reg = <0>;
-						label = "lan0";
+						label = "swp0";
 					};
 
 					port@1 {
 						status = "disabled";
 						reg = <1>;
-						label = "lan1";
+						label = "swp1";
 					};
 
 					port@2 {
 						status = "disabled";
 						reg = <2>;
-						label = "lan2";
+						label = "swp2";
 					};
 
 					port@3 {
 						status = "disabled";
 						reg = <3>;
-						label = "lan3";
+						label = "swp3";
 					};
 
 					port@4 {
 						status = "disabled";
 						reg = <4>;
-						label = "lan4";
+						label = "swp4";
 					};
 
 					port@6 {
 						reg = <6>;
-						label = "cpu";
 						ethernet = <&gmac0>;
 						phy-mode = "trgmii";
 
diff --git a/arch/mips/cavium-octeon/executive/cvmx-bootmem.c b/arch/mips/cavium-octeon/executive/cvmx-bootmem.c
index 306cee07ce3f..334bf8e577e5 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-bootmem.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-bootmem.c
@@ -780,9 +780,8 @@ int64_t cvmx_bootmem_phy_named_block_alloc(uint64_t size, uint64_t min_addr,
 	if (addr_allocated >= 0) {
 		named_block_desc_ptr->base_addr = addr_allocated;
 		named_block_desc_ptr->size = size;
-		strncpy(named_block_desc_ptr->name, name,
+		strscpy(named_block_desc_ptr->name, name,
 			cvmx_bootmem_desc->named_block_name_len);
-		named_block_desc_ptr->name[cvmx_bootmem_desc->named_block_name_len - 1] = 0;
 	}
 
 	if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
index d09d0769f549..0fd9ac76eb74 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
@@ -211,7 +211,7 @@ union cvmx_helper_link_info __cvmx_helper_board_link_get(int ipd_port)
 {
 	union cvmx_helper_link_info result;
 
-	WARN(!octeon_is_simulation(),
+	WARN_ONCE(!octeon_is_simulation(),
 	     "Using deprecated link status - please update your DT");
 
 	/* Unless we fix it later, all links are defaulted to down */
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c
index 6f49fd9be1f3..9abfc4bf9bd8 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c
@@ -1096,7 +1096,7 @@ union cvmx_helper_link_info cvmx_helper_link_get(int ipd_port)
 		if (index == 0)
 			result = __cvmx_helper_rgmii_link_get(ipd_port);
 		else {
-			WARN(1, "Using deprecated link status - please update your DT");
+			WARN_ONCE(1, "Using deprecated link status - please update your DT");
 			result.s.full_duplex = 1;
 			result.s.link_up = 1;
 			result.s.speed = 1000;
diff --git a/arch/mips/include/asm/asm-prototypes.h b/arch/mips/include/asm/asm-prototypes.h
index f901ed043c71..8e8fc38b0941 100644
--- a/arch/mips/include/asm/asm-prototypes.h
+++ b/arch/mips/include/asm/asm-prototypes.h
@@ -6,3 +6,6 @@
 #include <linux/uaccess.h>
 #include <asm/ftrace.h>
 #include <asm/mmu_context.h>
+
+extern void clear_page_cpu(void *page);
+extern void copy_page_cpu(void *to, void *from);
diff --git a/arch/mips/include/asm/mach-ralink/mt7621.h b/arch/mips/include/asm/mach-ralink/mt7621.h
index 6bbf082dd149..79d5bb0e06d6 100644
--- a/arch/mips/include/asm/mach-ralink/mt7621.h
+++ b/arch/mips/include/asm/mach-ralink/mt7621.h
@@ -7,10 +7,12 @@
 #ifndef _MT7621_REGS_H_
 #define _MT7621_REGS_H_
 
+#define IOMEM(x)			((void __iomem *)(KSEG1ADDR(x)))
+
 #define MT7621_PALMBUS_BASE		0x1C000000
 #define MT7621_PALMBUS_SIZE		0x03FFFFFF
 
-#define MT7621_SYSC_BASE		0x1E000000
+#define MT7621_SYSC_BASE		IOMEM(0x1E000000)
 
 #define SYSC_REG_CHIP_NAME0		0x00
 #define SYSC_REG_CHIP_NAME1		0x04
diff --git a/arch/mips/kernel/vpe-cmp.c b/arch/mips/kernel/vpe-cmp.c
index e673603e11e5..92140edb3ce3 100644
--- a/arch/mips/kernel/vpe-cmp.c
+++ b/arch/mips/kernel/vpe-cmp.c
@@ -75,7 +75,6 @@ ATTRIBUTE_GROUPS(vpe);
 
 static void vpe_device_release(struct device *cd)
 {
-	kfree(cd);
 }
 
 static struct class vpe_class = {
@@ -157,6 +156,7 @@ out_dev:
 	device_del(&vpe_device);
 
 out_class:
+	put_device(&vpe_device);
 	class_unregister(&vpe_class);
 
 out_chrdev:
@@ -169,7 +169,7 @@ void __exit vpe_module_exit(void)
 {
 	struct vpe *v, *n;
 
-	device_del(&vpe_device);
+	device_unregister(&vpe_device);
 	class_unregister(&vpe_class);
 	unregister_chrdev(major, VPE_MODULE_NAME);
 
diff --git a/arch/mips/kernel/vpe-mt.c b/arch/mips/kernel/vpe-mt.c
index bad6b0891b2b..84a82b551ec3 100644
--- a/arch/mips/kernel/vpe-mt.c
+++ b/arch/mips/kernel/vpe-mt.c
@@ -313,7 +313,6 @@ ATTRIBUTE_GROUPS(vpe);
 
 static void vpe_device_release(struct device *cd)
 {
-	kfree(cd);
 }
 
 static struct class vpe_class = {
@@ -497,6 +496,7 @@ out_dev:
 	device_del(&vpe_device);
 
 out_class:
+	put_device(&vpe_device);
 	class_unregister(&vpe_class);
 
 out_chrdev:
@@ -509,7 +509,7 @@ void __exit vpe_module_exit(void)
 {
 	struct vpe *v, *n;
 
-	device_del(&vpe_device);
+	device_unregister(&vpe_device);
 	class_unregister(&vpe_class);
 	unregister_chrdev(major, VPE_MODULE_NAME);
 
diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c
index e07ae098bdd8..d59888aaed81 100644
--- a/arch/mips/pci/pci-rt3883.c
+++ b/arch/mips/pci/pci-rt3883.c
@@ -404,7 +404,6 @@ static int rt3883_pci_probe(struct platform_device *pdev)
 	struct rt3883_pci_controller *rpc;
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
-	struct resource *res;
 	struct device_node *child;
 	u32 val;
 	int err;
@@ -414,8 +413,7 @@ static int rt3883_pci_probe(struct platform_device *pdev)
 	if (!rpc)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	rpc->base = devm_ioremap_resource(dev, res);
+	rpc->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(rpc->base))
 		return PTR_ERR(rpc->base);
 
diff --git a/arch/mips/ralink/mt7621.c b/arch/mips/ralink/mt7621.c
index fb0565bc34fd..bbf5811afbf2 100644
--- a/arch/mips/ralink/mt7621.c
+++ b/arch/mips/ralink/mt7621.c
@@ -25,6 +25,7 @@
 #define MT7621_MEM_TEST_PATTERN         0xaa5555aa
 
 static u32 detect_magic __initdata;
+static struct ralink_soc_info *soc_info_ptr;
 
 int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
 {
@@ -97,41 +98,83 @@ void __init ralink_of_remap(void)
 		panic("Failed to remap core resources");
 }
 
-static void soc_dev_init(struct ralink_soc_info *soc_info, u32 rev)
+static unsigned int __init mt7621_get_soc_name0(void)
+{
+	return __raw_readl(MT7621_SYSC_BASE + SYSC_REG_CHIP_NAME0);
+}
+
+static unsigned int __init mt7621_get_soc_name1(void)
+{
+	return __raw_readl(MT7621_SYSC_BASE + SYSC_REG_CHIP_NAME1);
+}
+
+static bool __init mt7621_soc_valid(void)
+{
+	if (mt7621_get_soc_name0() == MT7621_CHIP_NAME0 &&
+			mt7621_get_soc_name1() == MT7621_CHIP_NAME1)
+		return true;
+	else
+		return false;
+}
+
+static const char __init *mt7621_get_soc_id(void)
+{
+	if (mt7621_soc_valid())
+		return "MT7621";
+	else
+		return "invalid";
+}
+
+static unsigned int __init mt7621_get_soc_rev(void)
+{
+	return __raw_readl(MT7621_SYSC_BASE + SYSC_REG_CHIP_REV);
+}
+
+static unsigned int __init mt7621_get_soc_ver(void)
+{
+	return (mt7621_get_soc_rev() >> CHIP_REV_VER_SHIFT) & CHIP_REV_VER_MASK;
+}
+
+static unsigned int __init mt7621_get_soc_eco(void)
+{
+	return (mt7621_get_soc_rev() & CHIP_REV_ECO_MASK);
+}
+
+static const char __init *mt7621_get_soc_revision(void)
+{
+	if (mt7621_get_soc_rev() == 1 && mt7621_get_soc_eco() == 1)
+		return "E2";
+	else
+		return "E1";
+}
+
+static int __init mt7621_soc_dev_init(void)
 {
 	struct soc_device *soc_dev;
 	struct soc_device_attribute *soc_dev_attr;
 
 	soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
 	if (!soc_dev_attr)
-		return;
+		return -ENOMEM;
 
 	soc_dev_attr->soc_id = "mt7621";
 	soc_dev_attr->family = "Ralink";
+	soc_dev_attr->revision = mt7621_get_soc_revision();
 
-	if (((rev >> CHIP_REV_VER_SHIFT) & CHIP_REV_VER_MASK) == 1 &&
-	    (rev & CHIP_REV_ECO_MASK) == 1)
-		soc_dev_attr->revision = "E2";
-	else
-		soc_dev_attr->revision = "E1";
-
-	soc_dev_attr->data = soc_info;
+	soc_dev_attr->data = soc_info_ptr;
 
 	soc_dev = soc_device_register(soc_dev_attr);
 	if (IS_ERR(soc_dev)) {
 		kfree(soc_dev_attr);
-		return;
+		return PTR_ERR(soc_dev);
 	}
+
+	return 0;
 }
+device_initcall(mt7621_soc_dev_init);
 
 void __init prom_soc_init(struct ralink_soc_info *soc_info)
 {
-	void __iomem *sysc = (void __iomem *) KSEG1ADDR(MT7621_SYSC_BASE);
-	unsigned char *name = NULL;
-	u32 n0;
-	u32 n1;
-	u32 rev;
-
 	/* Early detection of CMP support */
 	mips_cm_probe();
 	mips_cpc_probe();
@@ -154,27 +197,23 @@ void __init prom_soc_init(struct ralink_soc_info *soc_info)
 		__sync();
 	}
 
-	n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0);
-	n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1);
-
-	if (n0 == MT7621_CHIP_NAME0 && n1 == MT7621_CHIP_NAME1) {
-		name = "MT7621";
+	if (mt7621_soc_valid())
 		soc_info->compatible = "mediatek,mt7621-soc";
-	} else {
-		panic("mt7621: unknown SoC, n0:%08x n1:%08x\n", n0, n1);
-	}
+	else
+		panic("mt7621: unknown SoC, n0:%08x n1:%08x\n",
+				mt7621_get_soc_name0(),
+				mt7621_get_soc_name1());
 	ralink_soc = MT762X_SOC_MT7621AT;
-	rev = __raw_readl(sysc + SYSC_REG_CHIP_REV);
 
 	snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN,
 		"MediaTek %s ver:%u eco:%u",
-		name,
-		(rev >> CHIP_REV_VER_SHIFT) & CHIP_REV_VER_MASK,
-		(rev & CHIP_REV_ECO_MASK));
+		mt7621_get_soc_id(),
+		mt7621_get_soc_ver(),
+		mt7621_get_soc_eco());
 
 	soc_info->mem_detect = mt7621_memory_detect;
 
-	soc_dev_init(soc_info, rev);
+	soc_info_ptr = soc_info;
 
 	if (!register_cps_smp_ops())
 		return;
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index f72658b3a53f..1f7d5c6c10b0 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -71,7 +71,7 @@ KCOV_INSTRUMENT := n
 
 # Check that we don't have PIC 'jalr t9' calls left
 quiet_cmd_vdso_mips_check = VDSOCHK $@
-      cmd_vdso_mips_check = if $(OBJDUMP) --disassemble $@ | egrep -h "jalr.*t9" > /dev/null; \
+      cmd_vdso_mips_check = if $(OBJDUMP) --disassemble $@ | grep -E -h "jalr.*t9" > /dev/null; \
 		       then (echo >&2 "$@: PIC 'jalr t9' calls are not supported"; \
 			     rm -f $@; /bin/false); fi