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Tue, 25 Jun 2024 05:32:51 -0700 (PDT) Received: from skbuf ([188.25.55.166]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-424817a9667sm168583705e9.15.2024.06.25.05.32.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Jun 2024 05:32:51 -0700 (PDT) Date: Tue, 25 Jun 2024 15:32:48 +0300 From: Vladimir Oltean To: Frank Li Cc: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev Subject: Re: [PATCH v4 1/3] spi: fsl-dspi: use common proptery 'spi-cs-setup(hold)-delay-ns' Message-ID: <20240625123248.2svpybglw2ydd6gg@skbuf> References: <20240624-ls_qspi-v4-0-3d1c6f5005bf@nxp.com> <20240624-ls_qspi-v4-1-3d1c6f5005bf@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240624-ls_qspi-v4-1-3d1c6f5005bf@nxp.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240625_053254_105861_C186488F X-CRM114-Status: GOOD ( 11.66 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jun 24, 2024 at 02:55:27PM -0400, Frank Li wrote: > Use SPI common DT binding properties 'spi-cs-setup-delay-ns' and > 'spi-cs-hold-delay-ns'. If these properties do not exist, fall back to > legacy 'fsl,spi-cs-sck-delay' and 'fsl,spi-sck-cs-delay'. > > Signed-off-by: Frank Li > --- > Change from v3 to v4 > - check spi_delay_to_ns() return value, which may return negative value as > error code. It will be very big value when cast to u32. > --- Reviewed-by: Vladimir Oltean