Merge "usb: dwc3: debugfs: Add support for 64bit division on 32bit chipsets" (1b78b533) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/usb/dwc3/debugfs.c

+10 −1

Original line number	Diff line number	Diff line
		@@ -57,7 +57,7 @@


		#define ep_event_rate(ev, c, p, dt) \
		((dt) ? ((c.ev - p.ev) * (MSEC_PER_SEC)) / (dt) : 0)
		((dt) ? (calc_evt_rate(c.ev, p.ev, dt)) : 0)

		static const struct debugfs_reg32 dwc3_regs[] = {
		dump_register(GSBUSCFG0),
		@@ -1049,6 +1049,15 @@ static ssize_t dwc3_gadget_int_events_store(struct file *file,
		return count;
		}

		static inline u64 calc_evt_rate(unsigned int c, unsigned int p, s64 dt)
		{
		u64 ev_val;

		ev_val = (u64)((c-p)*(MSEC_PER_SEC));
		do_div(ev_val, (u64)dt);
		return ev_val;
		}

		static int dwc3_gadget_int_events_show(struct seq_file s, void unused)
		{
		unsigned long flags;