usb: xhci: Cleanup printk debug message for ERST

Each event segment has been exposed through debugfs. There is no
need to dump ERST content with printk in code. Remove it to make
code more concise and readable.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/xhci-dbg.c

@@ -10,24 +10,6 @@
 
 #include "xhci.h"
 
-void xhci_dbg_erst(struct xhci_hcd *xhci, struct xhci_erst *erst)
-{
-	u64 addr = erst->erst_dma_addr;
-	int i;
-	struct xhci_erst_entry *entry;
-
-	for (i = 0; i < erst->num_entries; i++) {
-		entry = &erst->entries[i];
-		xhci_dbg(xhci, "@%016llx %08x %08x %08x %08x\n",
-			 addr,
-			 lower_32_bits(le64_to_cpu(entry->seg_addr)),
-			 upper_32_bits(le64_to_cpu(entry->seg_addr)),
-			 le32_to_cpu(entry->seg_size),
-			 le32_to_cpu(entry->rsvd));
-		addr += sizeof(*entry);
-	}
-}
-
 char *xhci_get_slot_state(struct xhci_hcd *xhci,
 		struct xhci_container_ctx *ctx)
 {

drivers/usb/host/xhci.c

@@ -574,8 +574,6 @@ int xhci_run(struct usb_hcd *hcd)
 	if (ret)
 		return ret;
 
-	xhci_dbg(xhci, "ERST memory map follows:\n");
-	xhci_dbg_erst(xhci, &xhci->erst);
 	temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue);
 	temp_64 &= ~ERST_PTR_MASK;
 	xhci_dbg_trace(xhci, trace_xhci_dbg_init,

drivers/usb/host/xhci.h

@@ -1925,7 +1925,6 @@ static inline int xhci_link_trb_quirk(struct xhci_hcd *xhci)
 }
 
 /* xHCI debugging */
-void xhci_dbg_erst(struct xhci_hcd *xhci, struct xhci_erst *erst);
 char *xhci_get_slot_state(struct xhci_hcd *xhci,
 		struct xhci_container_ctx *ctx);
 void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *),