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Sat, 01 Aug 2026 05:30:04 -0700 (PDT) From: Subasri S Date: Sat, 01 Aug 2026 17:59:50 +0530 Subject: [PATCH v2 1/3] usb: chipidea: Use %pe to print error pointers 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: <20260801-usb-ptr_err_patchset-v2-1-1698e298c1e3@gmail.com> References: <20260801-usb-ptr_err_patchset-v2-0-1698e298c1e3@gmail.com> In-Reply-To: <20260801-usb-ptr_err_patchset-v2-0-1698e298c1e3@gmail.com> To: Peter Chen , Greg Kroah-Hartman , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Duncan Sands , Chas Williams <3chas3@gmail.com>, Minas Harutyunyan , Hans de Goede , Heikki Krogerus , Badhri Jagan Sridharan Cc: linux-usb@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-atm-general@lists.sourceforge.net, netdev@vger.kernel.org, Subasri S X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1785587393; l=2678; i=subasris1210@gmail.com; s=20260709; h=from:subject:message-id; bh=mFXIwz+ySAWkDRjmYY9h6zI5LpQ96dUOJf0gRTWHXyw=; b=jfKEnthypoEP4Ged3oIPzGHgkh8fKEboHHtGYp8GnOOl731ypclqaBCWEJk45aqjaYWxcPebl IdK8bprk/6pAX4FCm6k6twbF0DDejmsTDWYcJ4FJf/VMEEHKfJU05J6 X-Developer-Key: i=subasris1210@gmail.com; a=ed25519; pk=6C4wavGFy/OsR8yQQKNWuDXoYPHp2L3sfgNfyzTruTk= Use the %pe format specifier instead of %ld with PTR_ERR() for printing error pointers in imx_get_clks(), ci_hdrc_imx_probe(), and ci_get_platdata(). This prints symbolic error names (e.g. -ENOMEM) instead of errno numbers (e.g. -12), making error logs more readable. Fix coccinelle reported warning: WARNING: Consider using %pe to print PTR_ERR() Compile-tested only. Signed-off-by: Subasri S Acked-by: Peter Chen Reviewed-by: Frank Li --- drivers/usb/chipidea/ci_hdrc_imx.c | 12 ++++++------ drivers/usb/chipidea/core.c | 4 ++-- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_h= drc_imx.c index 56d2ba824a0b..7bfe37ed68ae 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -218,8 +218,8 @@ static int imx_get_clks(struct device *dev) if (IS_ERR(data->clk)) { ret =3D PTR_ERR(data->clk); dev_err(dev, - "Failed to get clks, err=3D%ld,%ld\n", - PTR_ERR(data->clk), PTR_ERR(data->clk_ipg)); + "Failed to get clks, err=3D%pe,%pe\n", + data->clk, data->clk_ipg); return ret; } /* Get wakeup clock. Not all of the platforms need to @@ -448,8 +448,8 @@ static int ci_hdrc_imx_probe(struct platform_device *pd= ev) pinctrl_hsic_idle =3D pinctrl_lookup_state(data->pinctrl, "idle"); if (IS_ERR(pinctrl_hsic_idle)) { dev_err(dev, - "pinctrl_hsic_idle lookup failed, err=3D%ld\n", - PTR_ERR(pinctrl_hsic_idle)); + "pinctrl_hsic_idle lookup failed, err=3D%pe\n", + pinctrl_hsic_idle); ret =3D PTR_ERR(pinctrl_hsic_idle); goto err_put; } @@ -464,8 +464,8 @@ static int ci_hdrc_imx_probe(struct platform_device *pd= ev) "active"); if (IS_ERR(data->pinctrl_hsic_active)) { dev_err(dev, - "pinctrl_hsic_active lookup failed, err=3D%ld\n", - PTR_ERR(data->pinctrl_hsic_active)); + "pinctrl_hsic_active lookup failed, err=3D%pe\n", + data->pinctrl_hsic_active); ret =3D PTR_ERR(data->pinctrl_hsic_active); goto err_put; } diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 07563be0013f..09db8a4eace2 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -680,8 +680,8 @@ static int ci_get_platdata(struct device *dev, /* no vbus regulator is needed */ platdata->reg_vbus =3D NULL; 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Sat, 01 Aug 2026 05:30:10 -0700 (PDT) Received: from [127.0.1.1] ([2404:f801:8028:3:9df5:1cd1:f108:c202]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3153e045022sm16174086eec.18.2026.08.01.05.30.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 01 Aug 2026 05:30:10 -0700 (PDT) From: Subasri S Date: Sat, 01 Aug 2026 17:59:51 +0530 Subject: [PATCH v2 2/3] usb: misc: Use %pe to print error pointers 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: <20260801-usb-ptr_err_patchset-v2-2-1698e298c1e3@gmail.com> References: <20260801-usb-ptr_err_patchset-v2-0-1698e298c1e3@gmail.com> In-Reply-To: <20260801-usb-ptr_err_patchset-v2-0-1698e298c1e3@gmail.com> To: Peter Chen , Greg Kroah-Hartman , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Duncan Sands , Chas Williams <3chas3@gmail.com>, Minas Harutyunyan , Hans de Goede , Heikki Krogerus , Badhri Jagan Sridharan Cc: linux-usb@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-atm-general@lists.sourceforge.net, netdev@vger.kernel.org, Subasri S X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1785587393; l=3558; i=subasris1210@gmail.com; s=20260709; h=from:subject:message-id; bh=44OfuOpRWkEpwE39qqs/5tw6fhh8iyUcWoHJyKnfJX8=; b=TT73Eu2ymiE2sUt+275pzPgJnLbNlahPwI6ZFyNJ56z2bu3NfyqORVptbO5eyf0pSQGK3vZZN w27WafvA0koAljB6/mzo4JrJfu5+4nc2cFmixcor+YIUhAsL+un9F+x X-Developer-Key: i=subasris1210@gmail.com; a=ed25519; pk=6C4wavGFy/OsR8yQQKNWuDXoYPHp2L3sfgNfyzTruTk= Use the %pe format specifier instead of %ld with PTR_ERR() for printing error pointers in various drivers across usb subsystem. This prints symbolic error names (e.g.-ENOMEM) instead of errno numbers (e.g. -12), making error logs more readable. Fix coccinelle reported warnings: WARNING: Consider using %pe to print PTR_ERR() Compile tested only. Signed-off-by: Subasri S Reviewed-by: Frank Li --- drivers/usb/atm/usbatm.c | 4 ++-- drivers/usb/core/hub.c | 3 +-- drivers/usb/dwc2/pci.c | 3 +-- drivers/usb/gadget/function/u_serial.c | 4 ++-- drivers/usb/misc/usb3503.c | 3 +-- 5 files changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index 9600e1ec0993..c78caa1b57c9 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -979,8 +979,8 @@ static int usbatm_heavy_init(struct usbatm_data *instan= ce) t =3D kthread_create(usbatm_do_heavy_init, instance, "%s", instance->driver->driver_name); if (IS_ERR(t)) { - usb_err(instance, "%s: failed to create kernel_thread (%ld)!\n", - __func__, PTR_ERR(t)); + usb_err(instance, "%s: failed to create kernel_thread (%pe)!\n", + __func__, t); return PTR_ERR(t); } =20 diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 5262e11c12cd..8c750a93c350 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -5671,8 +5671,7 @@ static void hub_port_connect_change(struct usb_hub *h= ub, int port1, descr =3D usb_get_device_descriptor(udev); if (IS_ERR(descr)) { dev_dbg(&udev->dev, - "can't read device descriptor %ld\n", - PTR_ERR(descr)); + "can't read device descriptor %pe\n", descr); } else { if (descriptors_changed(udev, descr, udev->bos)) { diff --git a/drivers/usb/dwc2/pci.c b/drivers/usb/dwc2/pci.c index f3a1e4232a31..7ff9c4df941e 100644 --- a/drivers/usb/dwc2/pci.c +++ b/drivers/usb/dwc2/pci.c @@ -68,8 +68,7 @@ static int dwc2_pci_probe(struct pci_dev *pci, =20 phy =3D usb_phy_generic_register(); if (IS_ERR(phy)) { - dev_err(dev, "error registering generic PHY (%ld)\n", - PTR_ERR(phy)); + dev_err(dev, "error registering generic PHY (%pe)\n", phy); return PTR_ERR(phy); } =20 diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/fu= nction/u_serial.c index cdd1dfc666c4..da31e5cea0a5 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -1311,8 +1311,8 @@ int gserial_alloc_line_no_console(unsigned char *line= _num) tty_dev =3D tty_port_register_device(&port->port, gs_tty_driver, port_num, NULL); 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Sat, 01 Aug 2026 05:30:16 -0700 (PDT) Received: from [127.0.1.1] ([2404:f801:8028:3:9df5:1cd1:f108:c202]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3153e045022sm16174086eec.18.2026.08.01.05.30.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 01 Aug 2026 05:30:16 -0700 (PDT) From: Subasri S Date: Sat, 01 Aug 2026 17:59:52 +0530 Subject: [PATCH v2 3/3] usb: typec: Use %pe to print error pointers 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: <20260801-usb-ptr_err_patchset-v2-3-1698e298c1e3@gmail.com> References: <20260801-usb-ptr_err_patchset-v2-0-1698e298c1e3@gmail.com> In-Reply-To: <20260801-usb-ptr_err_patchset-v2-0-1698e298c1e3@gmail.com> To: Peter Chen , Greg Kroah-Hartman , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Duncan Sands , Chas Williams <3chas3@gmail.com>, Minas Harutyunyan , Hans de Goede , Heikki Krogerus , Badhri Jagan Sridharan Cc: linux-usb@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-atm-general@lists.sourceforge.net, netdev@vger.kernel.org, Subasri S X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1785587393; l=2871; i=subasris1210@gmail.com; s=20260709; h=from:subject:message-id; bh=EixTu8F/XmrqpGkUc1ZAKwt7Ik8fS3oCoez4NHHuAPA=; b=y9rlU0Bar73W/79icXHYY1Za1xqYHDFPlcRNAyzBdU9DLsdx5ZFdZAtAfdQnYCacrmDjy37bN 67dNNmpkRFUB7JSMQ26Hj03dv6oZIIwgFS5fqDwVdYCNRhAPyYsGqab X-Developer-Key: i=subasris1210@gmail.com; a=ed25519; pk=6C4wavGFy/OsR8yQQKNWuDXoYPHp2L3sfgNfyzTruTk= Use the %pe format specifier instead of %ld with PTR_ERR() for printing error pointers in various typec drivers. This prints symbolic error names (e.g.-ENOMEM) instead of errno numbers (e.g. -12), making error logs more readable. Fix coccinelle reported warning: WARNING: Consider using %pe to print PTR_ERR() Compile tested only. Reviewed-by: Badhri Jagan Sridharan Signed-off-by: Subasri S Reviewed-by: Frank Li Reviewed-by: Heikki Krogerus --- drivers/usb/typec/mux/pi3usb30532.c | 6 ++---- drivers/usb/typec/tcpm/tcpm.c | 2 +- drivers/usb/typec/wusb3801.c | 4 ++-- 3 files changed, 5 insertions(+), 7 deletions(-) diff --git a/drivers/usb/typec/mux/pi3usb30532.c b/drivers/usb/typec/mux/pi= 3usb30532.c index 985683fe49e9..b32f4c433de9 100644 --- a/drivers/usb/typec/mux/pi3usb30532.c +++ b/drivers/usb/typec/mux/pi3usb30532.c @@ -139,8 +139,7 @@ static int pi3usb30532_probe(struct i2c_client *client) =20 pi->sw =3D typec_switch_register(dev, &sw_desc); if (IS_ERR(pi->sw)) { - dev_err(dev, "Error registering typec switch: %ld\n", - PTR_ERR(pi->sw)); + dev_err(dev, "Error registering typec switch: %pe\n", pi->sw); return PTR_ERR(pi->sw); } =20 @@ -151,8 +150,7 @@ static int pi3usb30532_probe(struct i2c_client *client) pi->mux =3D typec_mux_register(dev, &mux_desc); if (IS_ERR(pi->mux)) { typec_switch_unregister(pi->sw); - dev_err(dev, "Error registering typec mux: %ld\n", - PTR_ERR(pi->mux)); + dev_err(dev, "Error registering typec mux: %pe\n", pi->mux); return PTR_ERR(pi->mux); } =20 diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 89eec20a2064..ad10470ea73b 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -4796,7 +4796,7 @@ static void tcpm_typec_connect(struct tcpm_port *port) port->partner_desc.accessory =3D TYPEC_ACCESSORY_NONE; partner =3D typec_register_partner(port->typec_port, &port->partner_desc= ); if (IS_ERR(partner)) { - dev_err(port->dev, "Failed to register partner (%ld)\n", PTR_ERR(partne= r)); + dev_err(port->dev, "Failed to register partner (%pe)\n", partner); return; } =20 diff --git a/drivers/usb/typec/wusb3801.c b/drivers/usb/typec/wusb3801.c index 6062875fb04a..86d13ab41670 100644 --- a/drivers/usb/typec/wusb3801.c +++ b/drivers/usb/typec/wusb3801.c @@ -277,8 +277,8 @@ static void wusb3801_hw_update(struct wusb3801 *wusb380= 1) if (partner_type !=3D WUSB3801_STAT_PARTNER_STANDBY) { wusb3801->partner =3D typec_register_partner(port, &desc); if (IS_ERR(wusb3801->partner)) - dev_err(dev, "Failed to register partner: %ld\n", - PTR_ERR(wusb3801->partner)); + dev_err(dev, "Failed to register partner: %pe\n", + wusb3801->partner); } =20 data_role =3D pwr_role =3D=3D TYPEC_SOURCE ? TYPEC_HOST : TYPEC_DEVICE; --=20 2.43.0