[v2 PATCH] usb: dwc3: remove unused @lock member of dwc3_ep struct

From: Chunfeng Yun
Date: Thu Jun 20 2019 - 04:30:15 EST


The member @lock of dwc3_ep struct is only initialized,
and not used elsewhere, so remove it.

Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
v2: fix typo of dwc3_ep in commit log
---
drivers/usb/dwc3/core.h | 2 --
drivers/usb/dwc3/gadget.c | 2 --
2 files changed, 4 deletions(-)

diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index f19cbeb01087..72d28cb14bdf 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -649,7 +649,6 @@ struct dwc3_event_buffer {
* @cancelled_list: list of cancelled requests for this endpoint
* @pending_list: list of pending requests for this endpoint
* @started_list: list of started requests on this endpoint
- * @lock: spinlock for endpoint request queue traversal
* @regs: pointer to first endpoint register
* @trb_pool: array of transaction buffers
* @trb_pool_dma: dma address of @trb_pool
@@ -677,7 +676,6 @@ struct dwc3_ep {
struct list_head pending_list;
struct list_head started_list;

- spinlock_t lock;
void __iomem *regs;

struct dwc3_trb *trb_pool;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index d67655384eb2..7f75da30caba 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2251,8 +2251,6 @@ static int dwc3_gadget_init_endpoint(struct dwc3 *dwc, u8 epnum)
dep->endpoint.comp_desc = NULL;
}

- spin_lock_init(&dep->lock);
-
if (num == 0)
ret = dwc3_gadget_init_control_endpoint(dep);
else if (direction)
--
2.21.0