[PATCH 00/11] usb: Remove redundant error messages on IRQ request failure

Pan Chuang panchuang at vivo.com
Thu Jul 30 20:54:34 PDT 2026


devm_request_threaded_irq() and devm_request_any_context_irq()
automatically log detailed error messages on failure via
the devm_request_result() helper, which prints device
name, IRQ number, handler functions, and error code.

Since devm_request_irq() is a static inline wrapper around
devm_request_threaded_irq(), it also benefits from this
automatic logging.

Remove the now-redundant dev_err() and dev_err_probe() calls
in usb drivers that follow these devm_request_*_irq()
functions, as the core now provides more detailed diagnostic
information on failure.

Pan Chuang (11):
  usb: cdns3: Remove redundant dev_err()
  usb: common: usb-conn-gpio: Remove redundant dev_err()
  usb: dwc2: gadget: Remove redundant dev_err()
  usb: dwc3: Remove redundant dev_err()/dev_err_probe()
  usb: gadget: Remove redundant dev_err()
  usb: host: xhci-tegra: Remove redundant dev_err()
  usb: misc: Remove redundant dev_err()/dev_err_probe()
  usb: mtu3: Remove redundant dev_err()
  usb: phy: Remove redundant dev_err()/dev_err_probe()
  usb: renesas_usbhs: Remove redundant dev_err()
  usb: typec: Remove redundant dev_err()/dev_err_probe()

 drivers/usb/cdns3/core.c                  |  4 +---
 drivers/usb/cdns3/drd.c                   |  4 +---
 drivers/usb/common/usb-conn-gpio.c        |  8 ++------
 drivers/usb/dwc2/gadget.c                 |  4 +---
 drivers/usb/dwc3/dwc3-google.c            |  4 +---
 drivers/usb/dwc3/dwc3-imx.c               |  2 +-
 drivers/usb/dwc3/dwc3-imx8mp.c            |  4 +---
 drivers/usb/dwc3/dwc3-keystone.c          |  5 +----
 drivers/usb/dwc3/dwc3-omap.c              |  5 +----
 drivers/usb/gadget/udc/aspeed-vhub/core.c |  4 +---
 drivers/usb/gadget/udc/aspeed_udc.c       |  4 +---
 drivers/usb/gadget/udc/atmel_usba_udc.c   |  5 +----
 drivers/usb/gadget/udc/r8a66597-udc.c     |  4 +---
 drivers/usb/gadget/udc/renesas_usbf.c     |  8 ++------
 drivers/usb/gadget/udc/snps_udc_plat.c    |  4 +---
 drivers/usb/gadget/udc/tegra-xudc.c       |  5 +----
 drivers/usb/host/xhci-tegra.c             |  8 ++------
 drivers/usb/misc/brcmstb-usb-pinmap.c     |  9 ++-------
 drivers/usb/misc/qcom_eud.c               |  2 +-
 drivers/usb/mtu3/mtu3_core.c              |  4 +---
 drivers/usb/phy/phy-ab8500-usb.c          | 12 +++---------
 drivers/usb/phy/phy-generic.c             |  3 +--
 drivers/usb/phy/phy-gpio-vbus-usb.c       |  5 +----
 drivers/usb/renesas_usbhs/mod.c           |  4 +---
 drivers/usb/typec/anx7411.c               |  4 +---
 drivers/usb/typec/hd3ss3220.c             |  4 +---
 drivers/usb/typec/mux/it5205.c            |  2 +-
 drivers/usb/typec/tcpm/tcpci_maxim_core.c |  3 +--
 drivers/usb/typec/tcpm/tcpci_mt6360.c     |  1 -
 drivers/usb/typec/tcpm/tcpci_mt6370.c     |  2 +-
 30 files changed, 35 insertions(+), 102 deletions(-)

-- 
2.34.1




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