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Tue, 24 Mar 2026 11:27:59 -0700 (PDT) From: Atharv Dubey Date: Tue, 24 Mar 2026 23:56:53 +0530 Subject: [PATCH 05/10] i2c: stm32f4: Replace dev_err() with dev_err_probe() in probe function Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260324-deverr-v1-5-7e591cce33a3@gmail.com> References: <20260324-deverr-v1-0-7e591cce33a3@gmail.com> In-Reply-To: <20260324-deverr-v1-0-7e591cce33a3@gmail.com> To: Till Harbaum , Andi Shyti , Laxman Dewangan , Dmitry Osipenko , Thierry Reding , Jonathan Hunter , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Pierre-Yves MORDRET , Alain Volmat , Maxime Coquelin , Alexandre Torgue , Patrice Chotard , Orson Zhai , Baolin Wang , Chunyan Zhang , Jean Delvare Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-stm32@st-md-mailman.stormreply.com, Enrico Zanda , Atharv Dubey X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1774376818; l=3441; i=atharvd440@gmail.com; s=20260314; h=from:subject:message-id; bh=fUyekU3vIj3XVF9IEZZuF8p06qRSr8GpHENT4b6dCL0=; b=Lv6diY6U8yOO+wFg03BiFqyP3QS+BUZjUWZZhiQKaL58Ge1g8J4dtHf+S+KQwwxbmw5DUKteO KpFdph3BhEcCYkTzwZIrFSEDvv+nlC32lTjIg5IZhXq8rp8u8lOOdaA X-Developer-Key: i=atharvd440@gmail.com; a=ed25519; pk=T6i1xWOKT/RUSDYATSgyVG/4X7ac8jPjRSG1mMAcqVk= From: Enrico Zanda This simplifies the code while improving log. Signed-off-by: Enrico Zanda Signed-off-by: Atharv Dubey --- drivers/i2c/busses/i2c-stm32f4.c | 53 ++++++++++++++++--------------------= ---- 1 file changed, 21 insertions(+), 32 deletions(-) diff --git a/drivers/i2c/busses/i2c-stm32f4.c b/drivers/i2c/busses/i2c-stm3= 2f4.c index b3d56d0aa9d0..44e8b04962bb 100644 --- a/drivers/i2c/busses/i2c-stm32f4.c +++ b/drivers/i2c/busses/i2c-stm32f4.c @@ -163,11 +163,9 @@ static int stm32f4_i2c_set_periph_clk_freq(struct stm3= 2f4_i2c_dev *i2c_dev) * to hardware limitation */ if (freq < STM32F4_I2C_MIN_STANDARD_FREQ || - freq > STM32F4_I2C_MAX_FREQ) { - dev_err(i2c_dev->dev, - "bad parent clk freq for standard mode\n"); - return -EINVAL; - } + freq > STM32F4_I2C_MAX_FREQ) + return dev_err_probe(i2c_dev->dev, -EINVAL, + "bad parent clk freq for standard mode\n"); } else { /* * To be as close as possible to 400 kHz, the parent clk @@ -175,11 +173,9 @@ static int stm32f4_i2c_set_periph_clk_freq(struct stm3= 2f4_i2c_dev *i2c_dev) * maximum value of 46 MHz due to hardware limitation */ if (freq < STM32F4_I2C_MIN_FAST_FREQ || - freq > STM32F4_I2C_MAX_FREQ) { - dev_err(i2c_dev->dev, - "bad parent clk freq for fast mode\n"); - return -EINVAL; - } + freq > STM32F4_I2C_MAX_FREQ) + return dev_err_probe(i2c_dev->dev, -EINVAL, + "bad parent clk freq for fast mode\n"); } =20 cr2 |=3D STM32F4_I2C_CR2_FREQ(freq); @@ -772,22 +768,19 @@ static int stm32f4_i2c_probe(struct platform_device *= pdev) return PTR_ERR(i2c_dev->base); =20 irq_event =3D irq_of_parse_and_map(np, 0); - if (!irq_event) { - dev_err(&pdev->dev, "IRQ event missing or invalid\n"); - return -EINVAL; - } + if (!irq_event) + return dev_err_probe(&pdev->dev, -EINVAL, + "IRQ event missing or invalid\n"); =20 irq_error =3D irq_of_parse_and_map(np, 1); - if (!irq_error) { - dev_err(&pdev->dev, "IRQ error missing or invalid\n"); - return -EINVAL; - } + if (!irq_error) + return dev_err_probe(&pdev->dev, -EINVAL, + "IRQ error missing or invalid\n"); =20 i2c_dev->clk =3D devm_clk_get_enabled(&pdev->dev, NULL); - if (IS_ERR(i2c_dev->clk)) { - dev_err(&pdev->dev, "Failed to enable clock\n"); - return PTR_ERR(i2c_dev->clk); - } + if (IS_ERR(i2c_dev->clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->clk), + "Failed to enable clock\n"); =20 rst =3D devm_reset_control_get_exclusive(&pdev->dev, NULL); if (IS_ERR(rst)) @@ -807,19 +800,15 @@ static int stm32f4_i2c_probe(struct platform_device *= pdev) =20 ret =3D devm_request_irq(&pdev->dev, irq_event, stm32f4_i2c_isr_event, 0, pdev->name, i2c_dev); - if (ret) { - dev_err(&pdev->dev, "Failed to request irq event %i\n", - irq_event); - return ret; - } + if (ret) + return dev_err_probe(&pdev->dev, ret, + "Failed to request irq event %i\n", irq_event); =20 ret =3D devm_request_irq(&pdev->dev, irq_error, stm32f4_i2c_isr_error, 0, pdev->name, i2c_dev); - if (ret) { - dev_err(&pdev->dev, "Failed to request irq error %i\n", - irq_error); - return ret; - } + if (ret) + return dev_err_probe(&pdev->dev, ret, + "Failed to request irq error %i\n", irq_error); =20 ret =3D stm32f4_i2c_hw_config(i2c_dev); if (ret) --=20 2.43.0