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Subject[RFC PATCH] usb: cdns3: cdns3_clear_register_bit() can be static

Fixes: 87db1192dc33 ("usb: cdns3: make signed 1 bit bitfields unsigned")
Signed-off-by: kbuild test robot <lkp@intel.com>
---
gadget.c | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index 372460ea4df9a..54a04614d336f 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -82,7 +82,7 @@ static int cdns3_ep_run_stream_transfer(struct cdns3_endpoint *priv_ep,
* @ptr: address of device controller register to be read and changed
* @mask: bits requested to clar
*/
-void cdns3_clear_register_bit(void __iomem *ptr, u32 mask)
+static void cdns3_clear_register_bit(void __iomem *ptr, u32 mask)
{
mask = readl(ptr) & ~mask;
writel(mask, ptr);
@@ -137,7 +137,7 @@ struct usb_request *cdns3_next_request(struct list_head *list)
*
* Returns buffer or NULL if no buffers in list
*/
-struct cdns3_aligned_buf *cdns3_next_align_buf(struct list_head *list)
+static struct cdns3_aligned_buf *cdns3_next_align_buf(struct list_head *list)
{
return list_first_entry_or_null(list, struct cdns3_aligned_buf, list);
}
@@ -148,7 +148,7 @@ struct cdns3_aligned_buf *cdns3_next_align_buf(struct list_head *list)
*
* Returns request or NULL if no requests in list
*/
-struct cdns3_request *cdns3_next_priv_request(struct list_head *list)
+static struct cdns3_request *cdns3_next_priv_request(struct list_head *list)
{
return list_first_entry_or_null(list, struct cdns3_request, list);
}
@@ -190,7 +190,7 @@ dma_addr_t cdns3_trb_virt_to_dma(struct cdns3_endpoint *priv_ep,
return priv_ep->trb_pool_dma + offset;
}

-int cdns3_ring_size(struct cdns3_endpoint *priv_ep)
+static int cdns3_ring_size(struct cdns3_endpoint *priv_ep)
{
switch (priv_ep->type) {
case USB_ENDPOINT_XFER_ISOC:
@@ -345,7 +345,7 @@ static void cdns3_ep_inc_deq(struct cdns3_endpoint *priv_ep)
cdns3_ep_inc_trb(&priv_ep->dequeue, &priv_ep->ccs, priv_ep->num_trbs);
}

-void cdns3_move_deq_to_next_trb(struct cdns3_request *priv_req)
+static void cdns3_move_deq_to_next_trb(struct cdns3_request *priv_req)
{
struct cdns3_endpoint *priv_ep = priv_req->priv_ep;
int current_trb = priv_req->start_trb;
@@ -511,9 +511,9 @@ static void cdns3_wa2_descmiss_copy_data(struct cdns3_endpoint *priv_ep,
}
}

-struct usb_request *cdns3_wa2_gadget_giveback(struct cdns3_device *priv_dev,
- struct cdns3_endpoint *priv_ep,
- struct cdns3_request *priv_req)
+static struct usb_request *cdns3_wa2_gadget_giveback(struct cdns3_device *priv_dev,
+ struct cdns3_endpoint *priv_ep,
+ struct cdns3_request *priv_req)
{
if (priv_ep->flags & EP_QUIRK_EXTRA_BUF_EN &&
priv_req->flags & REQUEST_INTERNAL) {
@@ -551,9 +551,9 @@ struct usb_request *cdns3_wa2_gadget_giveback(struct cdns3_device *priv_dev,
return &priv_req->request;
}

-int cdns3_wa2_gadget_ep_queue(struct cdns3_device *priv_dev,
- struct cdns3_endpoint *priv_ep,
- struct cdns3_request *priv_req)
+static int cdns3_wa2_gadget_ep_queue(struct cdns3_device *priv_dev,
+ struct cdns3_endpoint *priv_ep,
+ struct cdns3_request *priv_req)
{
int deferred = 0;

@@ -836,7 +836,7 @@ void cdns3_gadget_giveback(struct cdns3_endpoint *priv_ep,
cdns3_gadget_ep_free_request(&priv_ep->endpoint, request);
}

-void cdns3_wa1_restore_cycle_bit(struct cdns3_endpoint *priv_ep)
+static void cdns3_wa1_restore_cycle_bit(struct cdns3_endpoint *priv_ep)
{
/* Work around for stale data address in TRB*/
if (priv_ep->wa1_set) {
@@ -1904,8 +1904,8 @@ static int cdns3_ep_onchip_buffer_reserve(struct cdns3_device *priv_dev,
return 0;
}

-void cdns3_stream_ep_reconfig(struct cdns3_device *priv_dev,
- struct cdns3_endpoint *priv_ep)
+static void cdns3_stream_ep_reconfig(struct cdns3_device *priv_dev,
+ struct cdns3_endpoint *priv_ep)
{
if (!priv_ep->use_streams || priv_dev->gadget.speed < USB_SPEED_SUPER)
return;
@@ -1925,8 +1925,8 @@ void cdns3_stream_ep_reconfig(struct cdns3_device *priv_dev,
EP_CFG_TDL_CHK | EP_CFG_SID_CHK);
}

-void cdns3_configure_dmult(struct cdns3_device *priv_dev,
- struct cdns3_endpoint *priv_ep)
+static void cdns3_configure_dmult(struct cdns3_device *priv_dev,
+ struct cdns3_endpoint *priv_ep)
{
struct cdns3_usb_regs __iomem *regs = priv_dev->regs;

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