static int ep0_out_pio(struct nbu2ss_udc *udc, u8 *pBuf, u32 length)
{
u32 i;
- int nret = 0;
u32 numreads = length / sizeof(u32);
union usb_reg_access *pBuf32 = (union usb_reg_access *)pBuf;
- /*------------------------------------------------------------*/
+ if (!numreads)
+ return 0;
+
/* PIO Read */
- if (numreads) {
- for (i = 0; i < numreads; i++) {
- pBuf32->dw = _nbu2ss_readl(&udc->p_regs->EP0_READ);
- pBuf32++;
- }
- nret = numreads * sizeof(u32);
+ for (i = 0; i < numreads; i++) {
+ pBuf32->dw = _nbu2ss_readl(&udc->p_regs->EP0_READ);
+ pBuf32++;
}
- return nret;
+ return numreads * sizeof(u32);
}
/*-------------------------------------------------------------------------*/