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

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Use readl_poll_timeout_atomic() to simplify code

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1598320987-25518-2-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Chunfeng Yun 2020-08-25 10:03:03 +08:00 committed by Vinod Koul
parent 47da6aa776
commit 01a4563300
1 changed files with 4 additions and 9 deletions
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13
drivers/phy/broadcom/phy-bcm-ns2-usbdrd.c
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@ -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)