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Message-Id: <20200706133341.476881-16-lee.jones@linaro.org>
Date: Mon, 6 Jul 2020 14:33:24 +0100
From: Lee Jones <lee.jones@...aro.org>
To: gregkh@...uxfoundation.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-usb@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
Felipe Balbi <balbi@...nel.org>,
Chuhong Yuan <hslester96@...il.com>,
LAPIS Semiconductor <tomoya-linux@....lapis-semi.com>
Subject: [PATCH 15/32] usb: gadget: udc: pch_udc: Fix a plethora of function documentation related issues
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 <balbi@...nel.org>
Cc: Chuhong Yuan <hslester96@...il.com>
Cc: LAPIS Semiconductor <tomoya-linux@....lapis-semi.com>
Signed-off-by: Lee Jones <lee.jones@...aro.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
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