** Description changed:

- Add support for  SiFive Unmatched
+ == SRU Justifcation Groovy ==
+ 
+ The SiFive HiFive Unmatched board should be supported as well as the current 
Unleashed. There are various upstream commits for this support and some misc 
fixes for the Unleashed and Unmatched that are required for this
+ board support.
+ 
+ == The fix(es) ==
+ 
+ https://git.launchpad.net/~colin-king/+git/ubuntu-riscv-groovy
+ 
+ commits:
+ Christoph Hellwig (1):
+       riscv: move sifive_l2_cache.c to drivers/soc
+ 
+ Colin Ian King (1):
+       UBUNTU: [Config] Align configs with Unleashed defconfigs
+ 
+ David Abdurachmanov (4):
+       PCI: microsemi: Add host driver for Microsemi PCIe controller
+       Microsemi PCIe expansion board DT entry.
+       SiFive Unleashed CPUFreq
+       SiFive HiFive Unleashed: Add PWM LEDs (D1, D2, D3, D4)
+ 
+ Green Wan (1):
+       riscv: dts: add support for PDMA device of HiFive Unleashed Rev A00
+ 
+ Greentime Hu (1):
+       irqchip/sifive-plic: Fix broken irq_set_affinity() callback
+ 
+ Kefeng Wang (1):
+       riscv: only select serial sifive if TTY is enabled
+ 
+ Krzysztof Kozlowski (1):
+       dt-bindings: pwm: Convert PWM bindings to json-schema
+ 
+ Pragnesh Patel (2):
+       clk: sifive: Add clock enable and disable ops
+       spi: dt-bindings: Convert spi-sifive binding to json-schema
+ 
+ Rob Herring (2):
+       dt-bindings: More whitespace clean-ups in schema files
+       dt-bindings: Explicitly allow additional properties in board/SoC schemas
+ 
+ Sagar Kadam (2):
+       dt-bindings: riscv: sifive-l2-cache: convert bindings to json-schema
+       dt-bindings: riscv: convert pwm bindings to json-schema
+ 
+ Sagar Shrikant Kadam (1):
+       i2c: ocores: fix polling mode workaround on FU540-C000 SoC
+ 
+ Yash Shah (10):
+       RISC-V: Update l2 cache DT documentation to add support for SiFive FU740
+       RISC-V: sifive_l2_cache: Update L2 cache driver to support SiFive FU740
+       gpio/sifive: Add DT documentation for SiFive GPIO
+       dt-bindings: riscv: Update DT binding docs to support SiFive FU740 SoC
+       riscv: dts: add initial support for the SiFive FU740-C000 SoC
+       dt-bindings: riscv: Update YAML doc to support SiFive HiFive Unmatched 
board
+       riscv: dts: add initial board data for the SiFive HiFive Unmatched
+       riscv: dts: Add DT support for SiFive L2 cache controller
+       riscv: dts: Add DT support for SiFive FU540 GPIO driver
+       riscv: dts: Add GPIO reboot method to HiFive Unleashed DTS file
+ 
+ Zong Li (5):
+       clk: sifive: Extract prci core to common base
+       clk: sifive: Use common name for prci configuration
+       clk: sifive: Add a driver for the SiFive FU740 PRCI IP block
+       clk: sifive: Fix the wrong bit field shift
+       dt-bindings: fu740: prci: add YAML documentation for the FU740 PRCI
+ 
+ The RISC-V configs have also been re-aligned to match the RISC-V
+ Unleashed/Unmatched defconfig for improved clock and power stability and
+ to fix some weird clock/scheduling random RCU timeouts and hangs during
+ heavy load on slow backing store I/O at boot time.
+ 
+ == Test Case ==
+ 
+ Build ubuntu 5.8 risc kernel with these patches. QEMU and RISC-V
+ Unleashed and Unmatched should boot and be rebootable with this fixes.
+ Tested also with stress-ng and a network uptime ping test for 48 hours.
+ 
+ == Where problems could occur ==
+ 
+ Several places:
+ 
+ 1. Clocks - IRQ and clock handling has been modified, so potential for random 
timing behaviour changes.
+ 2. CONFIG changes - now aligning the clock, scheduling and power config 
settings to the defconfigs for RISC-V unleashed. This does improve stability on 
the Ubuntu boots and reboots, but may have unforeseen side effects. 
+ 3. CPU affinity fixes should improve some historical SMP problems but may 
uncover other SMP issues.
+ 4. Some of these patches are still not upstream, so there may be some 
question to their unreviewed quality.

** Description changed:

- == SRU Justifcation Groovy ==
+ == SRU Justifcation Groovy/RISCV ==
  
  The SiFive HiFive Unmatched board should be supported as well as the current 
Unleashed. There are various upstream commits for this support and some misc 
fixes for the Unleashed and Unmatched that are required for this
  board support.
  
  == The fix(es) ==
  
  https://git.launchpad.net/~colin-king/+git/ubuntu-riscv-groovy
  
  commits:
  Christoph Hellwig (1):
-       riscv: move sifive_l2_cache.c to drivers/soc
+       riscv: move sifive_l2_cache.c to drivers/soc
  
  Colin Ian King (1):
-       UBUNTU: [Config] Align configs with Unleashed defconfigs
+       UBUNTU: [Config] Align configs with Unleashed defconfigs
  
  David Abdurachmanov (4):
-       PCI: microsemi: Add host driver for Microsemi PCIe controller
-       Microsemi PCIe expansion board DT entry.
-       SiFive Unleashed CPUFreq
-       SiFive HiFive Unleashed: Add PWM LEDs (D1, D2, D3, D4)
+       PCI: microsemi: Add host driver for Microsemi PCIe controller
+       Microsemi PCIe expansion board DT entry.
+       SiFive Unleashed CPUFreq
+       SiFive HiFive Unleashed: Add PWM LEDs (D1, D2, D3, D4)
  
  Green Wan (1):
-       riscv: dts: add support for PDMA device of HiFive Unleashed Rev A00
+       riscv: dts: add support for PDMA device of HiFive Unleashed Rev A00
  
  Greentime Hu (1):
-       irqchip/sifive-plic: Fix broken irq_set_affinity() callback
+       irqchip/sifive-plic: Fix broken irq_set_affinity() callback
  
  Kefeng Wang (1):
-       riscv: only select serial sifive if TTY is enabled
+       riscv: only select serial sifive if TTY is enabled
  
  Krzysztof Kozlowski (1):
-       dt-bindings: pwm: Convert PWM bindings to json-schema
+       dt-bindings: pwm: Convert PWM bindings to json-schema
  
  Pragnesh Patel (2):
-       clk: sifive: Add clock enable and disable ops
-       spi: dt-bindings: Convert spi-sifive binding to json-schema
+       clk: sifive: Add clock enable and disable ops
+       spi: dt-bindings: Convert spi-sifive binding to json-schema
  
  Rob Herring (2):
-       dt-bindings: More whitespace clean-ups in schema files
-       dt-bindings: Explicitly allow additional properties in board/SoC schemas
+       dt-bindings: More whitespace clean-ups in schema files
+       dt-bindings: Explicitly allow additional properties in board/SoC schemas
  
  Sagar Kadam (2):
-       dt-bindings: riscv: sifive-l2-cache: convert bindings to json-schema
-       dt-bindings: riscv: convert pwm bindings to json-schema
+       dt-bindings: riscv: sifive-l2-cache: convert bindings to json-schema
+       dt-bindings: riscv: convert pwm bindings to json-schema
  
  Sagar Shrikant Kadam (1):
-       i2c: ocores: fix polling mode workaround on FU540-C000 SoC
+       i2c: ocores: fix polling mode workaround on FU540-C000 SoC
  
  Yash Shah (10):
-       RISC-V: Update l2 cache DT documentation to add support for SiFive FU740
-       RISC-V: sifive_l2_cache: Update L2 cache driver to support SiFive FU740
-       gpio/sifive: Add DT documentation for SiFive GPIO
-       dt-bindings: riscv: Update DT binding docs to support SiFive FU740 SoC
-       riscv: dts: add initial support for the SiFive FU740-C000 SoC
-       dt-bindings: riscv: Update YAML doc to support SiFive HiFive Unmatched 
board
-       riscv: dts: add initial board data for the SiFive HiFive Unmatched
-       riscv: dts: Add DT support for SiFive L2 cache controller
-       riscv: dts: Add DT support for SiFive FU540 GPIO driver
-       riscv: dts: Add GPIO reboot method to HiFive Unleashed DTS file
+       RISC-V: Update l2 cache DT documentation to add support for SiFive FU740
+       RISC-V: sifive_l2_cache: Update L2 cache driver to support SiFive FU740
+       gpio/sifive: Add DT documentation for SiFive GPIO
+       dt-bindings: riscv: Update DT binding docs to support SiFive FU740 SoC
+       riscv: dts: add initial support for the SiFive FU740-C000 SoC
+       dt-bindings: riscv: Update YAML doc to support SiFive HiFive Unmatched 
board
+       riscv: dts: add initial board data for the SiFive HiFive Unmatched
+       riscv: dts: Add DT support for SiFive L2 cache controller
+       riscv: dts: Add DT support for SiFive FU540 GPIO driver
+       riscv: dts: Add GPIO reboot method to HiFive Unleashed DTS file
  
  Zong Li (5):
-       clk: sifive: Extract prci core to common base
-       clk: sifive: Use common name for prci configuration
-       clk: sifive: Add a driver for the SiFive FU740 PRCI IP block
-       clk: sifive: Fix the wrong bit field shift
-       dt-bindings: fu740: prci: add YAML documentation for the FU740 PRCI
+       clk: sifive: Extract prci core to common base
+       clk: sifive: Use common name for prci configuration
+       clk: sifive: Add a driver for the SiFive FU740 PRCI IP block
+       clk: sifive: Fix the wrong bit field shift
+       dt-bindings: fu740: prci: add YAML documentation for the FU740 PRCI
  
  The RISC-V configs have also been re-aligned to match the RISC-V
  Unleashed/Unmatched defconfig for improved clock and power stability and
  to fix some weird clock/scheduling random RCU timeouts and hangs during
  heavy load on slow backing store I/O at boot time.
  
  == Test Case ==
  
  Build ubuntu 5.8 risc kernel with these patches. QEMU and RISC-V
  Unleashed and Unmatched should boot and be rebootable with this fixes.
  Tested also with stress-ng and a network uptime ping test for 48 hours.
  
  == Where problems could occur ==
  
  Several places:
  
  1. Clocks - IRQ and clock handling has been modified, so potential for random 
timing behaviour changes.
- 2. CONFIG changes - now aligning the clock, scheduling and power config 
settings to the defconfigs for RISC-V unleashed. This does improve stability on 
the Ubuntu boots and reboots, but may have unforeseen side effects. 
+ 2. CONFIG changes - now aligning the clock, scheduling and power config 
settings to the defconfigs for RISC-V unleashed. This does improve stability on 
the Ubuntu boots and reboots, but may have unforeseen side effects.
  3. CPU affinity fixes should improve some historical SMP problems but may 
uncover other SMP issues.
  4. Some of these patches are still not upstream, so there may be some 
question to their unreviewed quality.

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https://bugs.launchpad.net/bugs/1910965

Title:
  riscv: backport support for SiFive Unmatched

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Focal:
  New
Status in linux source package in Groovy:
  New
Status in linux source package in Hirsute:
  In Progress

Bug description:
  == SRU Justifcation Groovy/RISCV ==

  The SiFive HiFive Unmatched board should be supported as well as the current 
Unleashed. There are various upstream commits for this support and some misc 
fixes for the Unleashed and Unmatched that are required for this
  board support.

  == The fix(es) ==

  https://git.launchpad.net/~colin-king/+git/ubuntu-riscv-groovy

  commits:
  Christoph Hellwig (1):
        riscv: move sifive_l2_cache.c to drivers/soc

  Colin Ian King (1):
        UBUNTU: [Config] Align configs with Unleashed defconfigs

  David Abdurachmanov (4):
        PCI: microsemi: Add host driver for Microsemi PCIe controller
        Microsemi PCIe expansion board DT entry.
        SiFive Unleashed CPUFreq
        SiFive HiFive Unleashed: Add PWM LEDs (D1, D2, D3, D4)

  Green Wan (1):
        riscv: dts: add support for PDMA device of HiFive Unleashed Rev A00

  Greentime Hu (1):
        irqchip/sifive-plic: Fix broken irq_set_affinity() callback

  Kefeng Wang (1):
        riscv: only select serial sifive if TTY is enabled

  Krzysztof Kozlowski (1):
        dt-bindings: pwm: Convert PWM bindings to json-schema

  Pragnesh Patel (2):
        clk: sifive: Add clock enable and disable ops
        spi: dt-bindings: Convert spi-sifive binding to json-schema

  Rob Herring (2):
        dt-bindings: More whitespace clean-ups in schema files
        dt-bindings: Explicitly allow additional properties in board/SoC schemas

  Sagar Kadam (2):
        dt-bindings: riscv: sifive-l2-cache: convert bindings to json-schema
        dt-bindings: riscv: convert pwm bindings to json-schema

  Sagar Shrikant Kadam (1):
        i2c: ocores: fix polling mode workaround on FU540-C000 SoC

  Yash Shah (10):
        RISC-V: Update l2 cache DT documentation to add support for SiFive FU740
        RISC-V: sifive_l2_cache: Update L2 cache driver to support SiFive FU740
        gpio/sifive: Add DT documentation for SiFive GPIO
        dt-bindings: riscv: Update DT binding docs to support SiFive FU740 SoC
        riscv: dts: add initial support for the SiFive FU740-C000 SoC
        dt-bindings: riscv: Update YAML doc to support SiFive HiFive Unmatched 
board
        riscv: dts: add initial board data for the SiFive HiFive Unmatched
        riscv: dts: Add DT support for SiFive L2 cache controller
        riscv: dts: Add DT support for SiFive FU540 GPIO driver
        riscv: dts: Add GPIO reboot method to HiFive Unleashed DTS file

  Zong Li (5):
        clk: sifive: Extract prci core to common base
        clk: sifive: Use common name for prci configuration
        clk: sifive: Add a driver for the SiFive FU740 PRCI IP block
        clk: sifive: Fix the wrong bit field shift
        dt-bindings: fu740: prci: add YAML documentation for the FU740 PRCI

  The RISC-V configs have also been re-aligned to match the RISC-V
  Unleashed/Unmatched defconfig for improved clock and power stability
  and to fix some weird clock/scheduling random RCU timeouts and hangs
  during heavy load on slow backing store I/O at boot time.

  == Test Case ==

  Build ubuntu 5.8 risc kernel with these patches. QEMU and RISC-V
  Unleashed and Unmatched should boot and be rebootable with this fixes.
  Tested also with stress-ng and a network uptime ping test for 48
  hours.

  == Where problems could occur ==

  Several places:

  1. Clocks - IRQ and clock handling has been modified, so potential for random 
timing behaviour changes.
  2. CONFIG changes - now aligning the clock, scheduling and power config 
settings to the defconfigs for RISC-V unleashed. This does improve stability on 
the Ubuntu boots and reboots, but may have unforeseen side effects.
  3. CPU affinity fixes should improve some historical SMP problems but may 
uncover other SMP issues.
  4. Some of these patches are still not upstream, so there may be some 
question to their unreviewed quality.

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