Commit 01a45633 authored by Chunfeng Yun's avatar Chunfeng Yun Committed by Vinod Koul
Browse files

phy: phy-bcm-ns2-usbdrd: convert to readl_poll_timeout_atomic() 



Use readl_poll_timeout_atomic() to simplify code

Signed-off-by: default avatarChunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1598320987-25518-2-git-send-email-chunfeng.yun@mediatek.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 47da6aa7

drivers/phy/broadcom/phy-bcm-ns2-usbdrd.c

+4 −9
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/io.h>

#include <linux/iopoll.h>

#include <linux/irq.h>

#include <linux/mfd/syscon.h>

#include <linux/module.h>
@@ -87,17 +88,11 @@ static const unsigned int usb_extcon_cable[] = { 
static inline int pll_lock_stat(u32 usb_reg, int reg_mask,

				struct ns2_phy_driver *driver)

{

	int retry = PLL_LOCK_RETRY;

	u32 val;



	do {

		udelay(1);

		val = readl(driver->icfgdrd_regs + usb_reg);

		if (val & reg_mask)

			return 0;

	} while (--retry > 0);



	return -EBUSY;

	return readl_poll_timeout_atomic(driver->icfgdrd_regs + usb_reg,

					 val, (val & reg_mask), 1,

					 PLL_LOCK_RETRY);

}



static int ns2_drd_phy_init(struct phy *phy)