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[188.155.201.27]) by smtp.gmail.com with ESMTPSA id e13-20020a05600c4e4d00b0038e44e316c1sm6356644wmq.6.2022.04.02.05.07.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 02 Apr 2022 05:07:28 -0700 (PDT) Message-ID: Date: Sat, 2 Apr 2022 14:07:26 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH v4 28/33] dt-bindings: crypto: rockchip: convert to new driver bindings Content-Language: en-US From: Krzysztof Kozlowski To: Corentin Labbe , heiko@sntech.de, herbert@gondor.apana.org.au, krzk+dt@kernel.org, robh+dt@kernel.org Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org References: <20220401201804.2867154-1-clabbe@baylibre.com> <20220401201804.2867154-29-clabbe@baylibre.com> <30305936-4b69-e1ce-44c2-0d1d113b460e@linaro.org> In-Reply-To: <30305936-4b69-e1ce-44c2-0d1d113b460e@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220402_050732_451238_1D974569 X-CRM114-Status: GOOD ( 20.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 02/04/2022 13:53, Krzysztof Kozlowski wrote: > On 01/04/2022 22:17, Corentin Labbe wrote: >> The latest addition to the rockchip crypto driver need to update the >> driver bindings. >> >> Signed-off-by: Corentin Labbe >> --- >> .../crypto/rockchip,rk3288-crypto.yaml | 68 +++++++++++++++++-- >> 1 file changed, 63 insertions(+), 5 deletions(-) >> >> diff --git a/Documentation/devicetree/bindings/crypto/rockchip,rk3288-crypto.yaml b/Documentation/devicetree/bindings/crypto/rockchip,rk3288-crypto.yaml >> index 66db671118c3..e6c00bc8bebf 100644 >> --- a/Documentation/devicetree/bindings/crypto/rockchip,rk3288-crypto.yaml >> +++ b/Documentation/devicetree/bindings/crypto/rockchip,rk3288-crypto.yaml >> @@ -11,8 +11,18 @@ maintainers: >> >> properties: >> compatible: >> - enum: >> - - rockchip,rk3288-crypto >> + oneOf: >> + - description: crypto IP present on RK3288 SoCs >> + items: >> + - const: rockchip,rk3288-crypto >> + - description: crypto IP present on RK3328 SoCs > > These two comments are not helping, so this should be just enum. > >> + items: >> + - const: rockchip,rk3328-crypto >> + - description: crypto IPs present on RK3399. crypto0 is the first IP with >> + RSA support, crypto1 is the second IP without RSA. > > The second part of this comment is helpful, first not. You have chosen > enum in your first patch, so just extend it with comments. Additionally > indexing does not scale. What if next generation reverses it and crypto0 > does not have RSA and crypto1 has? Actually let me re-think this. Is programming model (registers?) same between crypto0 and crypto1? If yes, this should be same compatible and add a dedicated property "rockchip,rsa"? I looked at your driver and you modeled it as main and sub devices. I wonder why - are there some dependencies? It would be helpful to have such information here in commit msg as well. Your commit #26 says that only difference is the RSA. Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel