USB: whci-hcd: fix type and format warnings in sg code

Fix type and format warning in the new sg code.  Remove the very chatty
debug messages that were left in by mistake and use min_t() as required
(no one seems to agree on a type for buffer sizes).

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/whci/qset.c

@@ -422,8 +422,6 @@ static int qset_add_urb_sg(struct whc *whc, struct whc_qset *qset, struct urb *u
 	size_t pl_len;
 	int p = 0;
 
-	dev_dbg(&whc->umc->dev, "adding urb w/ sg of length %d\n", urb->transfer_buffer_length);
-
 	remaining = urb->transfer_buffer_length;
 
 	for_each_sg(urb->sg->sg, sg, urb->num_sgs, i) {
@@ -437,10 +435,7 @@ static int qset_add_urb_sg(struct whc *whc, struct whc_qset *qset, struct urb *u
 		}
 
 		dma_addr = sg_dma_address(sg);
-		dma_remaining = min(sg_dma_len(sg), remaining);
-
-		dev_dbg(&whc->umc->dev, "adding sg[%d] %08x %d\n", i, (unsigned)dma_addr,
-			dma_remaining);
+		dma_remaining = min_t(size_t, sg_dma_len(sg), remaining);
 
 		while (dma_remaining) {
 			size_t dma_len;
@@ -463,7 +458,6 @@ static int qset_add_urb_sg(struct whc *whc, struct whc_qset *qset, struct urb *u
 			    || std->len + WHCI_PAGE_SIZE > QTD_MAX_XFER_SIZE) {
 				if (prev_end % qset->max_packet != 0)
 					return -EINVAL;
-				dev_dbg(&whc->umc->dev, "need new std\n");
 				std = qset_new_std(whc, qset, urb, mem_flags);
 				if (std == NULL) {
 					return -ENOMEM;
@@ -485,8 +479,6 @@ static int qset_add_urb_sg(struct whc *whc, struct whc_qset *qset, struct urb *u
 				dma_len = ep - dma_addr;
 			}
 
-			dev_dbg(&whc->umc->dev, "adding %d\n", dma_len);
-
 			std->len += dma_len;
 			std->ntds_remaining = -1; /* filled in later */
 
@@ -495,9 +487,6 @@ static int qset_add_urb_sg(struct whc *whc, struct whc_qset *qset, struct urb *u
 			num_pointers = DIV_ROUND_UP(ep - sp, WHCI_PAGE_SIZE);
 			std->num_pointers += num_pointers;
 
-			dev_dbg(&whc->umc->dev, "need %d more (%d total) page pointers\n",
-				num_pointers, std->num_pointers);
-
 			pl_len = std->num_pointers * sizeof(struct whc_page_list_entry);
 
 			std->pl_virt = krealloc(std->pl_virt, pl_len, mem_flags);
@@ -506,7 +495,6 @@ static int qset_add_urb_sg(struct whc *whc, struct whc_qset *qset, struct urb *u
 			}
 
 			for (;p < std->num_pointers; p++, entry++) {
-				dev_dbg(&whc->umc->dev, "e[%d] %08x\n", p, dma_addr);
 				std->pl_virt[p].buf_ptr = cpu_to_le64(dma_addr);
 				dma_addr = (dma_addr + WHCI_PAGE_SIZE) & ~(WHCI_PAGE_SIZE-1);
 			}
@@ -517,8 +505,6 @@ static int qset_add_urb_sg(struct whc *whc, struct whc_qset *qset, struct urb *u
 		}
 	}
 
-	dev_dbg(&whc->umc->dev, "used %d tds\n", ntds);
-
 	/* Now the number of stds is know, go back and fill in
 	   std->ntds_remaining. */
 	list_for_each_entry(std, &qset->stds, list_node) {
@@ -565,14 +551,11 @@ static int qset_add_urb_sg_linearize(struct whc *whc, struct whc_qset *qset,
 			break;
 		}
 
-		sg_remaining = min(remaining, sg->length);
+		sg_remaining = min_t(size_t, remaining, sg->length);
 		orig = sg_virt(sg);
 
-		dev_dbg(&whc->umc->dev, "adding sg[%d] %d\n", i, sg_remaining);
-
 		while (sg_remaining) {
 			if (!std || std->len == max_std_len) {
-				dev_dbg(&whc->umc->dev, "need new std\n");
 				std = qset_new_std(whc, qset, urb, mem_flags);
 				if (std == NULL)
 					return -ENOMEM;
@@ -587,9 +570,6 @@ static int qset_add_urb_sg_linearize(struct whc *whc, struct whc_qset *qset,
 
 			len = min(sg_remaining, max_std_len - std->len);
 
-			dev_dbg(&whc->umc->dev, "added %d from sg[%d] @ offset %d\n",
-				len, i, orig - sg_virt(sg));
-
 			if (is_out)
 				memcpy(bounce, orig, len);
 
@@ -650,8 +630,6 @@ int qset_add_urb(struct whc *whc, struct whc_qset *qset, struct urb *urb,
 	if (urb->sg) {
 		ret = qset_add_urb_sg(whc, qset, urb, mem_flags);
 		if (ret == -EINVAL) {
-			dev_dbg(&whc->umc->dev, "linearizing %d octet urb\n",
-				urb->transfer_buffer_length);
 			qset_free_stds(qset, urb);
 			ret = qset_add_urb_sg_linearize(whc, qset, urb, mem_flags);
 		}