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usb: gadget: mv_u3d: fix sparse warnings

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Fix the following sparse warnings:

drivers/usb/gadget/mv_u3d_core.c: In function ‘mv_u3d_ep_queue’:
drivers/usb/gadget/mv_u3d_core.c:812:2: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
drivers/usb/gadget/mv_u3d_core.c:822:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
drivers/usb/gadget/mv_u3d_core.c:823:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
drivers/usb/gadget/mv_u3d_core.c:823:28: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
drivers/usb/gadget/mv_u3d_core.c: In function ‘mv_u3d_ep_dequeue’:
drivers/usb/gadget/mv_u3d_core.c:905:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
drivers/usb/gadget/mv_u3d_core.c: In function ‘mv_u3d_probe’:
drivers/usb/gadget/mv_u3d_core.c:1840:3: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
drivers/usb/gadget/mv_u3d_core.c:1855:51: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
drivers/usb/gadget/mv_u3d_core.c:1855:17: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
drivers/usb/gadget/mv_u3d_core.c:1858:53: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
drivers/usb/gadget/mv_u3d_core.c:1858:18: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
drivers/usb/gadget/mv_u3d_core.c: In function ‘mv_u3d_irq_process_tr_complete’:
drivers/usb/gadget/mv_u3d_core.c:163:21: warning: ‘remaining_length’ may be used uninitialized in this function [-Wmaybe-uninitialized]
drivers/usb/gadget/mv_u3d_core.c:125:28: note: ‘remaining_length’ was declared here

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2013-03-22 09:14:25 +02:00
parent af593da481
commit e6667ef7ac
1 changed files with 14 additions and 13 deletions
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27
drivers/usb/gadget/mv_u3d_core.c
View file

@ -122,7 +122,7 @@ static int mv_u3d_process_ep_req(struct mv_u3d *u3d, int index,
struct mv_u3d_trb *curr_trb;
dma_addr_t cur_deq_lo;
struct mv_u3d_ep_context *curr_ep_context;
int trb_complete, actual, remaining_length;
int trb_complete, actual, remaining_length = 0;
int direction, ep_num;
int retval = 0;
u32 tmp, status, length;
@ -809,19 +809,19 @@ mv_u3d_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
return 0;
}
dev_dbg(u3d->dev, "%s: %s, req: 0x%x\n",
__func__, _ep->name, (u32)req);
dev_dbg(u3d->dev, "%s: %s, req: 0x%p\n",
__func__, _ep->name, req);
/* catch various bogus parameters */
if (!req->req.complete || !req->req.buf
|| !list_empty(&req->queue)) {
dev_err(u3d->dev,
"%s, bad params, _req: 0x%x,"
"req->req.complete: 0x%x, req->req.buf: 0x%x,"
"%s, bad params, _req: 0x%p,"
"req->req.complete: 0x%p, req->req.buf: 0x%p,"
"list_empty: 0x%x\n",
__func__, (u32)_req,
(u32)req->req.complete, (u32)req->req.buf,
(u32)list_empty(&req->queue));
__func__, _req,
req->req.complete, req->req.buf,
list_empty(&req->queue));
return -EINVAL;
}
if (unlikely(!ep->ep.desc)) {
@ -902,7 +902,7 @@ static int mv_u3d_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
struct mv_u3d_req, queue);
/* Point first TRB of next request to the EP context. */
iowrite32((u32) next_req->trb_head,
iowrite32((unsigned long) next_req->trb_head,
&ep_context->trb_addr_lo);
} else {
struct mv_u3d_ep_context *ep_context;
@ -1837,8 +1837,9 @@ static int mv_u3d_probe(struct platform_device *dev)
retval = -EBUSY;
goto err_map_cap_regs;
} else {
dev_dbg(&dev->dev, "cap_regs address: 0x%x/0x%x\n",
(unsigned int)r->start, (unsigned int)u3d->cap_regs);
dev_dbg(&dev->dev, "cap_regs address: 0x%lx/0x%lx\n",
(unsigned long) r->start,
(unsigned long) u3d->cap_regs);
}
/* we will access controller register, so enable the u3d controller */
@ -1852,10 +1853,10 @@ static int mv_u3d_probe(struct platform_device *dev)
}
}
u3d->op_regs = (struct mv_u3d_op_regs __iomem *)((u32)u3d->cap_regs
u3d->op_regs = (struct mv_u3d_op_regs __iomem *)(u3d->cap_regs
+ MV_U3D_USB3_OP_REGS_OFFSET);
u3d->vuc_regs = (struct mv_u3d_vuc_regs __iomem *)((u32)u3d->cap_regs
u3d->vuc_regs = (struct mv_u3d_vuc_regs __iomem *)(u3d->cap_regs
+ ioread32(&u3d->cap_regs->vuoff));
u3d->max_eps = 16;