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02 Aug 2019 21:27:26 -0700 From: Atish Patra To: linux-kernel@vger.kernel.org Subject: [PATCH v4 4/4] dt-bindings: Update the riscv,isa string description Date: Fri, 2 Aug 2019 21:27:23 -0700 Message-Id: <20190803042723.7163-5-atish.patra@wdc.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190803042723.7163-1-atish.patra@wdc.com> References: <20190803042723.7163-1-atish.patra@wdc.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190802_212732_502589_2384DC73 X-CRM114-Status: UNSURE ( 7.89 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Albert Ou , Daniel Lezcano , Alan Kao , Greg Kroah-Hartman , Anup Patel , Johan Hovold , Atish Patra , Rob Herring , Palmer Dabbelt , Paul Walmsley , linux-riscv@lists.infradead.org, Enrico Weigelt , Thomas Gleixner Sender: "linux-riscv" Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Since the RISC-V specification states that ISA description strings are case-insensitive, there's no functional difference between mixed-case, upper-case, and lower-case ISA strings. Thus, to simplify parsing, specify that the letters present in "riscv,isa" must be all lowercase. Suggested-by: Paul Walmsley Signed-off-by: Atish Patra --- Documentation/devicetree/bindings/riscv/cpus.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml index c899111aa5e3..9d3fe6aada2b 100644 --- a/Documentation/devicetree/bindings/riscv/cpus.yaml +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml @@ -50,6 +50,10 @@ properties: User-Level ISA document, available from https://riscv.org/specifications/ + While the isa strings in ISA specification are case + insensitive, letters in the riscv,isa string must be all + lowercase to simplify parsing. + timebase-frequency: type: integer minimum: 1