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[35.195.168.105]) by smtp.gmail.com with ESMTPSA id az5-20020a05600c600500b0040e4733aecbsm2516628wmb.15.2024.02.16.06.04.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Feb 2024 06:04:56 -0800 (PST) From: Tudor Ambarus To: krzysztof.kozlowski+dt@linaro.org, robh@kernel.org, conor+dt@kernel.org Cc: alim.akhtar@samsung.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, broonie@kernel.org, andi.shyti@kernel.org, semen.protsenko@linaro.org, kernel-team@android.com, willmcvicker@google.com, andre.draszik@linaro.org, peter.griffin@linaro.org, Tudor Ambarus Subject: [PATCH v2 3/7] ARM: dts: samsung: exynos5250: specify the SPI FIFO depth Date: Fri, 16 Feb 2024 14:04:45 +0000 Message-ID: <20240216140449.2564625-4-tudor.ambarus@linaro.org> X-Mailer: git-send-email 2.44.0.rc0.258.g7320e95886-goog In-Reply-To: <20240216140449.2564625-1-tudor.ambarus@linaro.org> References: <20240216140449.2564625-1-tudor.ambarus@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Up to now the SPI alias was used as an index into an array defined in the SPI driver to determine the SPI FIFO depth. Drop the dependency on the SPI alias and specify the SPI FIFO depth directly into the SPI node. exynos5250.dtsi defines the following aliases: spi0 =3D &spi_0; spi1 =3D &spi_1; spi2 =3D &spi_2; spi-s3c64xx.c driver defines the following fifo_lvl_mask for the "samsung,exynos4210-spi" compatible: .fifo_lvl_mask =3D { 0x1ff, 0x7F, 0x7F }, Thus spi0 was considered having a 256 byte FIFO depth, and spi1 and spi2 having 64 byte FIFO depth each. Update device tree with these FIFO depths. No functional change expected. Signed-off-by: Tudor Ambarus --- arch/arm/boot/dts/samsung/exynos5250.dtsi | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/boot/dts/samsung/exynos5250.dtsi b/arch/arm/boot/dts/= samsung/exynos5250.dtsi index 99c84bebf25a..b9e7c4938818 100644 --- a/arch/arm/boot/dts/samsung/exynos5250.dtsi +++ b/arch/arm/boot/dts/samsung/exynos5250.dtsi @@ -511,6 +511,7 @@ spi_0: spi@12d20000 { clock-names =3D "spi", "spi_busclk0"; pinctrl-names =3D "default"; pinctrl-0 =3D <&spi0_bus>; + fifo-depth =3D <256>; }; =20 spi_1: spi@12d30000 { @@ -526,6 +527,7 @@ spi_1: spi@12d30000 { clock-names =3D "spi", "spi_busclk0"; pinctrl-names =3D "default"; pinctrl-0 =3D <&spi1_bus>; + fifo-depth =3D <64>; }; =20 spi_2: spi@12d40000 { @@ -541,6 +543,7 @@ spi_2: spi@12d40000 { clock-names =3D "spi", "spi_busclk0"; pinctrl-names =3D "default"; pinctrl-0 =3D <&spi2_bus>; + fifo-depth =3D <64>; }; =20 mmc_0: mmc@12200000 { --=20 2.44.0.rc0.258.g7320e95886-goog