hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

usb: gadget: remove DMA_ADDR_INVALID from f_uac2 and gadgetfs 

DMA_ADDR_INVALID is used by the UDC driver and the gadgets should
provide only a buffer address. Everything else should be taken core of
by the UDC and udc-core.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Sebastian Andrzej Siewior 2012-10-22 22:15:07 +02:00 committed by Felipe Balbi
parent 10287baec7
commit b7c041aada
2 changed files with 0 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/usb/gadget/f_uac2.c
View File

@ -50,8 +50,6 @@ static int c_ssize = 2;
module_param(c_ssize, uint, S_IRUGO);
MODULE_PARM_DESC(c_ssize, "Capture Sample Size(bytes)");
#define DMA_ADDR_INVALID (~(dma_addr_t)0)
#define ALT_SET(x, a) do {(x) &= ~0xff; (x) |= (a); } while (0)
#define ALT_GET(x) ((x) & 0xff)
#define INTF_SET(x, i) do {(x) &= 0xff; (x) |= ((i) << 8); } while (0)
@ -1130,7 +1128,6 @@ afunc_set_alt(struct usb_function *fn, unsigned intf, unsigned alt)
prm->ureq[i].pp = prm;
req->zero = 0;
req->dma = DMA_ADDR_INVALID;
req->context = &prm->ureq[i];
req->length = prm->max_psize;
req->complete = agdev_iso_complete;

3
drivers/usb/gadget/inode.c
View File

@ -76,7 +76,6 @@ MODULE_LICENSE ("GPL");
/*----------------------------------------------------------------------*/
#define GADGETFS_MAGIC 0xaee71ee7
#define DMA_ADDR_INVALID (~(dma_addr_t)0)
/* /dev/gadget/$CHIP represents ep0 and the whole device */
enum ep0_state {
@ -918,7 +917,6 @@ static void clean_req (struct usb_ep *ep, struct usb_request *req)
if (req->buf != dev->rbuf) {
kfree(req->buf);
req->buf = dev->rbuf;
req->dma = DMA_ADDR_INVALID;
}
req->complete = epio_complete;
dev->setup_out_ready = 0;
@ -1408,7 +1406,6 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
dev->setup_abort = 1;
req->buf = dev->rbuf;
req->dma = DMA_ADDR_INVALID;
req->context = NULL;
value = -EOPNOTSUPP;
switch (ctrl->bRequest) {