Ranging from missing descriptions and formatting mishaps to over-documenting of missing arguments, likely due to bitrot.
Fixes the following W=1 kernel build warning(s): drivers/usb/gadget/udc/pch_udc.c:239: warning: Function parameter or member 'request' not described in 'pch_udc_stp_dma_desc' drivers/usb/gadget/udc/pch_udc.c:315: warning: Function parameter or member 'irq_work_fall' not described in 'pch_vbus_gpio_data' drivers/usb/gadget/udc/pch_udc.c:315: warning: Function parameter or member 'irq_work_rise' not described in 'pch_vbus_gpio_data' drivers/usb/gadget/udc/pch_udc.c:482: warning: Function parameter or member 'ep' not described in 'pch_udc_write_csr' drivers/usb/gadget/udc/pch_udc.c:482: warning: Excess function parameter 'addr' description in 'pch_udc_write_csr' drivers/usb/gadget/udc/pch_udc.c:498: warning: Function parameter or member 'ep' not described in 'pch_udc_read_csr' drivers/usb/gadget/udc/pch_udc.c:498: warning: Excess function parameter 'addr' description in 'pch_udc_read_csr' drivers/usb/gadget/udc/pch_udc.c:662: warning: Function parameter or member 'ep_in' not described in 'pch_udc_ep_set_bufsz' drivers/usb/gadget/udc/pch_udc.c:977: warning: Function parameter or member 'ep' not described in 'pch_udc_ep_enable' drivers/usb/gadget/udc/pch_udc.c:977: warning: Function parameter or member 'cfg' not described in 'pch_udc_ep_enable' drivers/usb/gadget/udc/pch_udc.c:977: warning: Excess function parameter 'regs' description in 'pch_udc_ep_enable' drivers/usb/gadget/udc/pch_udc.c:1010: warning: Function parameter or member 'ep' not described in 'pch_udc_ep_disable' drivers/usb/gadget/udc/pch_udc.c:1010: warning: Excess function parameter 'regs' description in 'pch_udc_ep_disable' drivers/usb/gadget/udc/pch_udc.c:1030: warning: Function parameter or member 'ep' not described in 'pch_udc_wait_ep_stall' drivers/usb/gadget/udc/pch_udc.c:1030: warning: Excess function parameter 'dev' description in 'pch_udc_wait_ep_stall' drivers/usb/gadget/udc/pch_udc.c:1341: warning: Function parameter or member 'data' not described in 'pch_vbus_gpio_irq' drivers/usb/gadget/udc/pch_udc.c:1341: warning: Excess function parameter 'dev' description in 'pch_vbus_gpio_irq' drivers/usb/gadget/udc/pch_udc.c:1365: warning: Function parameter or member 'vbus_gpio_port' not described in 'pch_vbus_gpio_init' drivers/usb/gadget/udc/pch_udc.c:1510: warning: Function parameter or member 'dev' not described in 'pch_udc_free_dma_chain' drivers/usb/gadget/udc/pch_udc.c:1510: warning: Function parameter or member 'req' not described in 'pch_udc_free_dma_chain' drivers/usb/gadget/udc/pch_udc.c:1717: warning: Function parameter or member 'usbep' not described in 'pch_udc_pcd_ep_disable' drivers/usb/gadget/udc/pch_udc.c:2006: warning: Excess function parameter 'halt' description in 'pch_udc_pcd_set_wedge' drivers/usb/gadget/udc/pch_udc.c:2756: warning: Function parameter or member 'pdev' not described in 'pch_udc_isr' drivers/usb/gadget/udc/pch_udc.c:2756: warning: Excess function parameter 'dev' description in 'pch_udc_isr' drivers/usb/gadget/udc/pch_udc.c:2906: warning: Function parameter or member 'dev' not described in 'init_dma_pools' drivers/usb/gadget/udc/pch_udc.c:2906: warning: Excess function parameter 'pdev' description in 'init_dma_pools' Cc: Felipe Balbi <ba...@kernel.org> Cc: Chuhong Yuan <hsleste...@gmail.com> Cc: LAPIS Semiconductor <tomoya-li...@dsn.lapis-semi.com> Signed-off-by: Lee Jones <lee.jo...@linaro.org> --- drivers/usb/gadget/udc/pch_udc.c | 36 ++++++++++++++++---------------- 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index 3344fb8c41811..8afc31d94b0e4 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -229,8 +229,7 @@ struct pch_udc_data_dma_desc { * for control data * @status: Status * @reserved: Reserved - * @data12: First setup word - * @data34: Second setup word + * @request: Control Request */ struct pch_udc_stp_dma_desc { u32 status; @@ -304,8 +303,8 @@ struct pch_udc_ep { * for detecting VBUS * @port: gpio port number * @intr: gpio interrupt number - * @irq_work_fall Structure for WorkQueue - * @irq_work_rise Structure for WorkQueue + * @irq_work_fall: Structure for WorkQueue + * @irq_work_rise: Structure for WorkQueue */ struct pch_vbus_gpio_data { int port; @@ -475,7 +474,7 @@ static void pch_udc_csr_busy(struct pch_udc_dev *dev) * pch_udc_write_csr() - Write the command and status registers. * @dev: Reference to pch_udc_dev structure * @val: value to be written to CSR register - * @addr: address of CSR register + * @ep: end-point number */ static void pch_udc_write_csr(struct pch_udc_dev *dev, unsigned long val, unsigned int ep) @@ -490,7 +489,7 @@ static void pch_udc_write_csr(struct pch_udc_dev *dev, unsigned long val, /** * pch_udc_read_csr() - Read the command and status registers. * @dev: Reference to pch_udc_dev structure - * @addr: address of CSR register + * @ep: end-point number * * Return codes: content of CSR register */ @@ -656,6 +655,7 @@ static inline void pch_udc_ep_set_trfr_type(struct pch_udc_ep *ep, * pch_udc_ep_set_bufsz() - Set the maximum packet size for the endpoint * @ep: Reference to structure of type pch_udc_ep_regs * @buf_size: The buffer word size + * @ep_in: EP is IN */ static void pch_udc_ep_set_bufsz(struct pch_udc_ep *ep, u32 buf_size, u32 ep_in) @@ -968,7 +968,8 @@ static void pch_udc_ep_fifo_flush(struct pch_udc_ep *ep, int dir) /** * pch_udc_ep_enable() - This api enables endpoint - * @regs: Reference to structure pch_udc_ep_regs + * @ep: reference to structure of type pch_udc_ep_regs + * @cfg: current configuration information * @desc: endpoint descriptor */ static void pch_udc_ep_enable(struct pch_udc_ep *ep, @@ -1004,7 +1005,7 @@ static void pch_udc_ep_enable(struct pch_udc_ep *ep, /** * pch_udc_ep_disable() - This api disables endpoint - * @regs: Reference to structure pch_udc_ep_regs + * @ep: reference to structure of type pch_udc_ep_regs */ static void pch_udc_ep_disable(struct pch_udc_ep *ep) { @@ -1024,7 +1025,7 @@ static void pch_udc_ep_disable(struct pch_udc_ep *ep) /** * pch_udc_wait_ep_stall() - Wait EP stall. - * @dev: Reference to pch_udc_dev structure + * @ep: reference to structure of type pch_udc_ep_regs */ static void pch_udc_wait_ep_stall(struct pch_udc_ep *ep) { @@ -1331,7 +1332,7 @@ static void pch_vbus_gpio_work_rise(struct work_struct *irq_work) /** * pch_vbus_gpio_irq() - IRQ handler for GPIO interrupt for changing VBUS * @irq: Interrupt request number - * @dev: Reference to the device structure + * @data: Reference to the device structure * * Return codes: * 0: Success @@ -1354,8 +1355,8 @@ static irqreturn_t pch_vbus_gpio_irq(int irq, void *data) /** * pch_vbus_gpio_init() - This API initializes GPIO port detecting VBUS. - * @dev: Reference to the driver structure - * @vbus_gpio Number of GPIO port to detect gpio + * @dev: Reference to the driver structure + * @vbus_gpio_port: Number of GPIO port to detect gpio * * Return codes: * 0: Success @@ -1499,8 +1500,8 @@ static void empty_req_queue(struct pch_udc_ep *ep) /** * pch_udc_free_dma_chain() - This function frees the DMA chain created * for the request - * @dev Reference to the driver structure - * @req Reference to the request to be freed + * @dev: Reference to the driver structure + * @req: Reference to the request to be freed * * Return codes: * 0: Success @@ -1707,7 +1708,7 @@ static int pch_udc_pcd_ep_enable(struct usb_ep *usbep, /** * pch_udc_pcd_ep_disable() - This API disables endpoint and is called * from gadget driver - * @usbep Reference to the USB endpoint structure + * @usbep: Reference to the USB endpoint structure * * Return codes: * 0: Success @@ -1996,7 +1997,6 @@ static int pch_udc_pcd_set_halt(struct usb_ep *usbep, int halt) * pch_udc_pcd_set_wedge() - This function Sets or clear the endpoint * halt feature * @usbep: Reference to the USB endpoint structure - * @halt: Specifies whether to set or clear the feature * * Return codes: * 0: Success @@ -2750,7 +2750,7 @@ static void pch_udc_dev_isr(struct pch_udc_dev *dev, u32 dev_intr) /** * pch_udc_isr() - This function handles interrupts from the PCH USB Device * @irq: Interrupt request number - * @dev: Reference to the device structure + * @pdev: Reference to the device structure */ static irqreturn_t pch_udc_isr(int irq, void *pdev) { @@ -2900,7 +2900,7 @@ static int pch_udc_pcd_init(struct pch_udc_dev *dev) /** * init_dma_pools() - create dma pools during initialization - * @pdev: reference to struct pci_dev + * @dev: reference to struct pci_dev */ static int init_dma_pools(struct pch_udc_dev *dev) { -- 2.25.1