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Fri, 13 Nov 2026 11:47:16 -0800 (PST) Received: from [192.168.35.9] ([218.50.238.131]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-37955a1c5c2sm10172682eec.14.2026.11.13.11.47.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 13 Nov 2026 11:47:16 -0800 (PST) Message-ID: <953597c5-80f6-4ee7-b8db-ec7264d99e40@gmail.com> Date: Sat, 14 Nov 2026 04:47:09 +0900 X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/5] devfreq: Use %pe to print error pointers symbolically To: Sumeet Pawnikar , rafael@kernel.org, krzk@kernel.org, amit.kachhap@gmail.com, daniel.lezcano@kernel.org, thara.gopinath@gmail.com, talel@amazon.com, hayashi.kunihiko@socionext.com, mhiramat@kernel.org, mmayer@broadcom.com, viresh.kumar@linaro.org, sumitg@nvidia.com, peter.griffin@linaro.org, myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, Frank.Li@nxp.com, s.hauer@pengutronix.de, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, sven@kernel.org, j@jannau.net, marcan@marcan.st, casey.connolly@linaro.org, sre@kernel.org, wens@kernel.org, t.schramm@manjaro.org Cc: bcm-kernel-feedback-list@broadcom.com, linux-samsung-soc@vger.kernel.org, kernel@pengutronix.de, imx@lists.linux.dev, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260912191156.185448-1-sumeet4linux@gmail.com> <20260912191156.185448-3-sumeet4linux@gmail.com> Content-Language: ko From: Choi Chanwoo In-Reply-To: <20260912191156.185448-3-sumeet4linux@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/13/2026 4:11 AM, Sumeet Pawnikar wrote: > Replace PTR_ERR() and %ld with %pe and pass the original pointer directly > to dev_err(). The %pe format specifier prints a symbolic error name (e.g. > -ENOMEM) when CONFIG_SYMBOLIC_ERRNAME is enabled, otherwise it falls back > gracefully and prints the raw integer value. This makes messages more > readable without any functional change. > > Signed-off-by: Sumeet Pawnikar > --- > drivers/devfreq/imx-bus.c | 4 ++-- > drivers/devfreq/imx8m-ddrc.c | 3 +-- > 2 files changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/devfreq/imx-bus.c b/drivers/devfreq/imx-bus.c > index 49798f542d68..dba76d8b9e5a 100644 > --- a/drivers/devfreq/imx-bus.c > +++ b/drivers/devfreq/imx-bus.c > @@ -75,8 +75,8 @@ static int imx_bus_init_icc(struct device *dev) > priv->icc_pdev = platform_device_register_data( > dev, icc_driver_name, -1, NULL, 0); > if (IS_ERR(priv->icc_pdev)) { > - dev_err(dev, "failed to register icc provider %s: %ld\n", > - icc_driver_name, PTR_ERR(priv->icc_pdev)); > + dev_err(dev, "failed to register icc provider %s: %pe\n", > + icc_driver_name, priv->icc_pdev); > return PTR_ERR(priv->icc_pdev); > } > > diff --git a/drivers/devfreq/imx8m-ddrc.c b/drivers/devfreq/imx8m-ddrc.c > index 52beeb5b7d65..28d7c595fa17 100644 > --- a/drivers/devfreq/imx8m-ddrc.c > +++ b/drivers/devfreq/imx8m-ddrc.c > @@ -340,8 +340,7 @@ static int imx8m_ddrc_check_opps(struct device *dev) > for (i = 0, freq = 0; i < opp_count; ++i, ++freq) { > opp = dev_pm_opp_find_freq_ceil(dev, &freq); > if (IS_ERR(opp)) { > - dev_err(dev, "Failed enumerating OPPs: %ld\n", > - PTR_ERR(opp)); > + dev_err(dev, "Failed enumerating OPPs: %pe\n", opp); > return PTR_ERR(opp); > } > dev_pm_opp_put(opp); Hi, Applied it. Thanks