Merge tag 'mips_4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips

Pull MIPS updates from James Hogan:
 "These are the main MIPS changes for 4.15.

  Fixes:
   - ralink: Fix MT7620 PCI build issues (4.5)
   - Disable cmpxchg64() and HAVE_VIRT_CPU_ACCOUNTING_GEN for 32-bit SMP
     (4.1)
   - Fix MIPS64 FP save/restore on 32-bit kernels (4.0)
   - ptrace: Pick up ptrace/seccomp changed syscall numbers (3.19)
   - ralink: Fix MT7628 pinmux (3.19)
   - BCM47XX: Fix LED inversion on WRT54GSv1 (3.17)
   - Fix n32 core dumping as o32 since regset support (3.13)
   - ralink: Drop obsolete USB_ARCH_HAS_HCD select

  Build system:
   - Default to "generic" (multiplatform) system type instead of IP22
   - Use generic little endian MIPS32 r2 configuration as default
     defconfig instead of ip22_defconfig

  FPU emulation:
   - Fix exception generation for certain R6 FPU instructions

  SMP:
   - Allow __cpu_number_map to be larger than NR_CPUS for sparse CPU id
     spaces

  Miscellaneous:
   - Add iomem resource for kernel bss section for kexec/kdump
   - Atomics: Nudge writes on bit unlock
   - DT files: Standardise "ok" -> "okay"

  Minor cleanups:
   - Define virt_to_pfn()
   - Make thread_saved_pc static
   - Simplify 32-bit sign extension in __read_64bit_c0_split()
   - DMA: Use vma_pages() helper
   - FPU emulation: Replace unsigned with unsigned int
   - MM: Removed unused lastpfn
   - Alchemy: Make clk_ops const
   - Lasat: Use setup_timer() helper
   - ralink: Use BIT() in MT7620 PCI driver

  Platform support:

  BMIPS:
  - Enable HARDIRQS_SW_RESEND

  Broadcom BCM63XX:
  - Add clkdev lookup support
  - Update clk driver, UART driver, DTs to handle named refclk from DTs
  - Split apart various clocks to more closely match hardware
  - Add ethernet clocks

  Cavium Octeon:
  - Remove usage of cvmx_wait() in favour of __delay()

  ImgTec Pistachio:
  - DT: Drop deprecated dwmmc num-slots property

  Ingenic JZ4780:
  - Add NFS root to Ci20 defconfig
  - Add watchdog to Ci20 DT & defconfig, and allow building of watchdog
    driver with this SoC

  Generic (multiplatform):
  - Migrate xilfpga (MIPSfpga) platform to the generic platform

  Lantiq xway:
  - Fix ASC0/ASC1 clocks"

* tag 'mips_4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips: (46 commits)
  MIPS: Add iomem resource for kernel bss section.
  MIPS: cmpxchg64() and HAVE_VIRT_CPU_ACCOUNTING_GEN don't work for 32-bit SMP
  MIPS: BMIPS: Enable HARDIRQS_SW_RESEND
  MIPS: pci: Make use of the BIT() macro inside the mt7620 driver
  MIPS: pci: Remove KERN_WARN instance inside the mt7620 driver
  MIPS: pci: Remove duplicate define in mt7620 driver
  MIPS: ralink: Fix typo in mt7628 pinmux function
  MIPS: ralink: Fix MT7628 pinmux
  MIPS: Fix odd fp register warnings with MIPS64r2
  watchdog: jz4780: Allow selection of jz4740-wdt driver
  MIPS/ptrace: Update syscall nr on register changes
  MIPS/ptrace: Pick up ptrace/seccomp changed syscalls
  MIPS: Fix an n32 core file generation regset support regression
  MIPS: Fix MIPS64 FP save/restore on 32-bit kernels
  MIPS: page.h: Define virt_to_pfn()
  MIPS: Xilfpga: Switch to using generic defconfigs
  MIPS: generic: Add support for MIPSfpga
  MIPS: Set defconfig target to a generic system for 32r2el
  MIPS: Kconfig: Set default MIPS system type as generic
  MIPS: DTS: Remove num-slots from Pistachio SoC
  ...

arch/mips/boot/dts/brcm/bcm3368.dtsi

@@ -83,6 +83,7 @@
 			interrupts = <2>;
 
 			clocks = <&periph_clk>;
+			clock-names = "refclk";
 
 			status = "disabled";
 		};
@@ -95,6 +96,7 @@
 			interrupts = <3>;
 
 			clocks = <&periph_clk>;
+			clock-names = "refclk";
 
 			status = "disabled";
 		};

arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts

@@ -19,7 +19,7 @@
 };
 
 &leds0 {
-	status = "ok";
+	status = "okay";
 	brcm,serial-leds;
 	brcm,serial-dat-low;
 	brcm,serial-shift-inv;

arch/mips/boot/dts/brcm/bcm63268.dtsi

@@ -84,6 +84,7 @@
 			interrupts = <5>;
 
 			clocks = <&periph_clk>;
+			clock-names = "refclk";
 
 			status = "disabled";
 		};
@@ -96,6 +97,7 @@
 			interrupts = <34>;
 
 			clocks = <&periph_clk>;
+			clock-names = "refclk";
 
 			status = "disabled";
 		};

arch/mips/boot/dts/brcm/bcm6328.dtsi

@@ -69,6 +69,7 @@
 			interrupt-parent = <&periph_intc>;
 			interrupts = <28>;
 			clocks = <&periph_clk>;
+			clock-names = "refclk";
 			status = "disabled";
 		};
 
@@ -78,6 +79,7 @@
 			interrupt-parent = <&periph_intc>;
 			interrupts = <39>;
 			clocks = <&periph_clk>;
+			clock-names = "refclk";
 			status = "disabled";
 		};
 

arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts

@@ -19,7 +19,7 @@
 };
 
 &leds0 {
-	status = "ok";
+	status = "okay";
 
 	led@0 {
 		reg = <0>;

arch/mips/boot/dts/brcm/bcm6358.dtsi

@@ -93,6 +93,7 @@
 			interrupts = <2>;
 
 			clocks = <&periph_clk>;
+			clock-names = "refclk";
 
 			status = "disabled";
 		};
@@ -105,6 +106,7 @@
 			interrupts = <3>;
 
 			clocks = <&periph_clk>;
+			clock-names = "refclk";
 
 			status = "disabled";
 		};

arch/mips/boot/dts/brcm/bcm6362.dtsi

@@ -84,6 +84,7 @@
 			interrupts = <3>;
 
 			clocks = <&periph_clk>;
+			clock-names = "refclk";
 
 			status = "disabled";
 		};
@@ -96,6 +97,7 @@
 			interrupts = <4>;
 
 			clocks = <&periph_clk>;
+			clock-names = "refclk";
 
 			status = "disabled";
 		};

arch/mips/boot/dts/brcm/bcm6368.dtsi

@@ -90,6 +90,7 @@
 			interrupt-parent = <&periph_intc>;
 			interrupts = <2>;
 			clocks = <&periph_clk>;
+			clock-names = "refclk";
 			status = "disabled";
 		};
 
@@ -99,6 +100,7 @@
 			interrupt-parent = <&periph_intc>;
 			interrupts = <3>;
 			clocks = <&periph_clk>;
+			clock-names = "refclk";
 			status = "disabled";
 		};
 

arch/mips/boot/dts/img/pistachio.dtsi

@@ -805,7 +805,6 @@
 		pinctrl-0 = <&sdhost_pins>;
 		pinctrl-names = "default";
 		fifo-depth = <0x20>;
-		num-slots = <1>;
 		clock-frequency = <50000000>;
 		bus-width = <8>;
 		cap-mmc-highspeed;

arch/mips/boot/dts/ingenic/jz4780.dtsi

@@ -219,6 +219,11 @@
 		status = "disabled";
 	};
 
+	watchdog: watchdog@10002000 {
+		compatible = "ingenic,jz4780-watchdog";
+		reg = <0x10002000 0x100>;
+	};
+
 	nemc: nemc@13410000 {
 		compatible = "ingenic,jz4780-nemc";
 		reg = <0x13410000 0x10000>;

arch/mips/boot/dts/ralink/rt3052_eval.dts

@@ -47,6 +47,6 @@
 	};
 
 	usb@101c0000 {
-		status = "ok";
+		status = "okay";
 	};
 };

arch/mips/boot/dts/xilfpga/Makefile

@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-dtb-$(CONFIG_XILFPGA_NEXYS4DDR)	+= nexys4ddr.dtb
+dtb-$(CONFIG_FIT_IMAGE_FDT_XILFPGA)	+= nexys4ddr.dtb
 
 obj-y				+= $(patsubst %.dtb, %.dtb.o, $(dtb-y))
 

arch/mips/boot/dts/xilfpga/nexys4ddr.dts

@@ -6,6 +6,14 @@
 / {
 	compatible = "digilent,nexys4ddr";
 
+	aliases {
+		serial0 = &axi_uart16550;
+	};
+	chosen {
+		bootargs = "console=ttyS0,115200";
+		stdout-path = "serial0:115200n8";
+	};
+
 	memory {
 		device_type = "memory";
 		reg = <0x0 0x08000000>;