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Tue, 24 Mar 2026 11:27:40 -0700 (PDT) From: Atharv Dubey Date: Tue, 24 Mar 2026 23:56:51 +0530 Subject: [PATCH 03/10] i2c: sun6i-p2wi: 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-v1-3-7e591cce33a3@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=3450; i=atharvd440@gmail.com; s=20260314; h=from:subject:message-id; bh=mGoeA4RoMr6oMafJS8Wz9uEiYGmdoZGvaadkVl07Ac4=; b=mqDXFTn7P7YKfYZq5yfTqBReywbYSNkXTrDiQ10Gxn0U4N3AcD22e4px2/bKmxQtkFRLFhMV5 D6Rwa2VObbECiZHEiSRVGIVnkT5nDLR0wDkwvKuXdMmJb12BQQQ/qlI 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 Reviewed-by: Chen-Yu Tsai --- drivers/i2c/busses/i2c-sun6i-p2wi.c | 55 ++++++++++++++-------------------= ---- 1 file changed, 20 insertions(+), 35 deletions(-) diff --git a/drivers/i2c/busses/i2c-sun6i-p2wi.c b/drivers/i2c/busses/i2c-s= un6i-p2wi.c index fb5280b8cf7f..dffbe776a195 100644 --- a/drivers/i2c/busses/i2c-sun6i-p2wi.c +++ b/drivers/i2c/busses/i2c-sun6i-p2wi.c @@ -194,22 +194,16 @@ static int p2wi_probe(struct platform_device *pdev) int ret; =20 of_property_read_u32(np, "clock-frequency", &clk_freq); - if (clk_freq > P2WI_MAX_FREQ) { - dev_err(dev, - "required clock-frequency (%u Hz) is too high (max =3D 6MHz)", - clk_freq); - return -EINVAL; - } + if (clk_freq > P2WI_MAX_FREQ) + return dev_err_probe(dev, -EINVAL, + "required clock-frequency (%u Hz) is too high (max =3D 6MHz)", + clk_freq); =20 - if (clk_freq =3D=3D 0) { - dev_err(dev, "clock-frequency is set to 0 in DT\n"); - return -EINVAL; - } + if (clk_freq =3D=3D 0) + return dev_err_probe(dev, -EINVAL, "clock-frequency is set to 0 in DT\n"= ); =20 - if (of_get_child_count(np) > 1) { - dev_err(dev, "P2WI only supports one target device\n"); - return -EINVAL; - } + if (of_get_child_count(np) > 1) + return dev_err_probe(dev, -EINVAL, "P2WI only supports one target device= \n"); =20 p2wi =3D devm_kzalloc(dev, sizeof(struct p2wi), GFP_KERNEL); if (!p2wi) @@ -226,11 +220,9 @@ static int p2wi_probe(struct platform_device *pdev) childnp =3D of_get_next_available_child(np, NULL); if (childnp) { ret =3D of_property_read_u32(childnp, "reg", &target_addr); - if (ret) { - dev_err(dev, "invalid target address on node %pOF\n", - childnp); - return -EINVAL; - } + if (ret) + return dev_err_probe(dev, -EINVAL, + "invalid target address on node %pOF\n", childnp); =20 p2wi->target_addr =3D target_addr; } @@ -245,26 +237,20 @@ static int p2wi_probe(struct platform_device *pdev) return irq; =20 p2wi->clk =3D devm_clk_get_enabled(dev, NULL); - if (IS_ERR(p2wi->clk)) { - ret =3D PTR_ERR(p2wi->clk); - dev_err(dev, "failed to enable clk: %d\n", ret); - return ret; - } + if (IS_ERR(p2wi->clk)) + return dev_err_probe(dev, PTR_ERR(p2wi->clk), + "failed to enable clk\n"); =20 parent_clk_freq =3D clk_get_rate(p2wi->clk); =20 p2wi->rstc =3D devm_reset_control_get_exclusive(dev, NULL); - if (IS_ERR(p2wi->rstc)) { - dev_err(dev, "failed to retrieve reset controller: %pe\n", - p2wi->rstc); - return PTR_ERR(p2wi->rstc); - } + if (IS_ERR(p2wi->rstc)) + return dev_err_probe(dev, PTR_ERR(p2wi->rstc), + "failed to retrieve reset controller\n"); =20 ret =3D reset_control_deassert(p2wi->rstc); - if (ret) { - dev_err(dev, "failed to deassert reset line: %d\n", ret); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, "failed to deassert reset line\n"); =20 init_completion(&p2wi->complete); p2wi->adapter.dev.parent =3D dev; @@ -276,8 +262,7 @@ static int p2wi_probe(struct platform_device *pdev) =20 ret =3D devm_request_irq(dev, irq, p2wi_interrupt, 0, pdev->name, p2wi); if (ret) { - dev_err(dev, "can't register interrupt handler irq%d: %d\n", - irq, ret); + dev_err_probe(dev, ret, "can't register interrupt handler irq%d\n", irq); goto err_reset_assert; } =20 --=20 2.43.0