linux-kernel - [PATCH V5 0/3] Add thead,c900-plic support

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Message-Id: <20211024013303.3499461-1-guoren@kernel.org>
Date:   Sun, 24 Oct 2021 09:33:00 +0800
From:   guoren@...nel.org
To:     guoren@...nel.org, anup@...infault.org, atish.patra@....com,
        maz@...nel.org, tglx@...utronix.de, palmer@...belt.com,
        heiko@...ech.de, robh@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        Guo Ren <guoren@...ux.alibaba.com>
Subject: [PATCH V5 0/3] Add thead,c900-plic support

From: Guo Ren <guoren@...ux.alibaba.com>

Add the compatible string "thead,c900-plic" to the riscv plic
bindings to support allwinner d1 SOC which contains c906 core.

Changes since V5:
 - Move back to mask/unmask
 - Fixup the problem in eoi callback
 - Remove allwinner,sun20i-d1 IRQCHIP_DECLARE
 - Rewrite comment log
 - Add DT list
 - Fixup compatible string
 - Remove allwinner-d1 compatible
 - make dt_binding_check
 - Add T-head vendor-prefixes

Changes since V4:
 - Update description in errata style
 - Update enum suggested by Anup, Heiko, Samuel
 - Update comment by Anup
 - Add cover-letter

Changes since V3:
 - Rename "c9xx" to "c900"
 - Add thead,c900-plic in the description section
 - Add sifive_plic_chip and thead_plic_chip for difference

Changes since V2:
 - Add a separate compatible string "thead,c9xx-plic"
 - set irq_mask/unmask of "plic_chip" to NULL and point
   irq_enable/disable of "plic_chip" to plic_irq_mask/unmask
 - Add a detailed comment block in plic_init() about the
   differences in Claim/Completion process of RISC-V PLIC and C9xx
   PLIC.

Guo Ren (3):
  dt-bindings: vendor-prefixes: add T-Head Semiconductor
  dt-bindings: update riscv plic compatible string
  irqchip/sifive-plic: Fixup thead,c900-plic request_threaded_irq with
    ONESHOT

 .../sifive,plic-1.0.0.yaml                    | 15 +++++--
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
 drivers/irqchip/irq-sifive-plic.c             | 44 ++++++++++++++++++-
 3 files changed, 56 insertions(+), 5 deletions(-)

-- 
2.25.1