Merge tag 'riscv-for-linus-5.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:
 "There are a few more fixes than a normal rc4, largely due to the
  bubble introduced by the holiday break:

   - return -ENOSYS for syscall number -1, which previously returned an
     uninitialized value.

   - ensure of_clk_init() has been called in time_init(), without which
     clock drivers may not be initialized.

   - fix sifive,uart0 driver to properly display the baud rate. A fix to
     initialize MPIE that allows interrupts to be processed during
     system calls.

   - avoid erronously begin tracing IRQs when interrupts are disabled,
     which at least triggers suprious lockdep failures.

   - workaround for a warning related to calling smp_processor_id()
     while preemptible. The warning itself is suprious on currently
     availiable systems.

   - properly include the generic time VDSO calls. A fix to our kasan
     address mapping. A fix to the HiFive Unleashed device tree, which
     allows the Ethernet PHY to be properly initialized by Linux (as
     opposed to relying on the bootloader).

   - defconfig update to include SiFive's GPIO driver, which is present
     on the HiFive Unleashed and necessary to initialize the PHY.

   - avoid allocating memory while initializing reserved memory.

   - avoid allocating the last 4K of memory, as pointers there alias
     with syscall errors.

  There are also two cleanups that should have no functional effect but
  do fix build warnings:

   - drop a duplicated definition of PAGE_KERNEL_EXEC.

   - properly declare the asm register SP shim.

   - cleanup the rv32 memory size Kconfig entry, to reflect the actual
     size of memory availiable"

* tag 'riscv-for-linus-5.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  RISC-V: Fix maximum allowed phsyical memory for RV32
  RISC-V: Set current memblock limit
  RISC-V: Do not allocate memblock while iterating reserved memblocks
  riscv: stacktrace: Move register keyword to beginning of declaration
  riscv: defconfig: enable gpio support for HiFive Unleashed
  dts: phy: add GPIO number and active state used for phy reset
  dts: phy: fix missing mdio device and probe failure of vsc8541-01 device
  riscv: Fix KASAN memory mapping.
  riscv: Fixup CONFIG_GENERIC_TIME_VSYSCALL
  riscv: cacheinfo: Fix using smp_processor_id() in preemptible
  riscv: Trace irq on only interrupt is enabled
  riscv: Drop a duplicated PAGE_KERNEL_EXEC
  riscv: Enable interrupts during syscalls with M-Mode
  riscv: Fix sifive serial driver
  riscv: Fix kernel time_init()
  riscv: return -ENOSYS for syscall -1

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
index 4a2729f5ca3f..24d75a146e02 100644
--- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
+++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
@@ -88,7 +88,9 @@
 	phy-mode = "gmii";
 	phy-handle = <&phy0>;
 	phy0: ethernet-phy@0 {
+		compatible = "ethernet-phy-id0007.0771";
 		reg = <0>;
+		reset-gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
 	};
 };