usb: phy-ulpi-viewport: convert to readl_poll_timeout_atomic() (a3e20fbd) · Commits · 戴 / test

Use readl_poll_timeout_atomic() to simplify code Signed-off-by:

drivers/usb/phy/phy-ulpi-viewport.c

+3 −9

Original line number	Diff line number	Diff line
		@@ -7,6 +7,7 @@
		#include <linux/kernel.h>
		#include <linux/usb.h>
		#include <linux/io.h>
		#include <linux/iopoll.h>
		#include <linux/usb/otg.h>
		#include <linux/usb/ulpi.h>

		@@ -20,16 +21,9 @@

		static int ulpi_viewport_wait(void __iomem *view, u32 mask)
		{
		unsigned long usec = 2000;
		u32 val;

		while (usec--) {
		if (!(readl(view) & mask))
		return 0;

		udelay(1);
		}

		return -ETIMEDOUT;
		return readl_poll_timeout_atomic(view, val, !(val & mask), 1, 2000);
		}

		static int ulpi_viewport_read(struct usb_phy *otg, u32 reg)