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phy: phy-bcm-sr-usb: convert to readl_poll_timeout_atomic() 

Use readl_poll_timeout_atomic() to simplify code

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1598320987-25518-3-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 10:03:04 +08:00 committed by Vinod Koul
parent 01a4563300
commit 6f2a721850
1 changed files with 8 additions and 11 deletions
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19
drivers/phy/broadcom/phy-bcm-sr-usb.c
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@ -5,6 +5,7 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/phy/phy.h>
@ -109,19 +110,15 @@ static inline void bcm_usb_reg32_setbits(void __iomem *addr, uint32_t set)
static int bcm_usb_pll_lock_check(void __iomem *addr, u32 bit)
{
int retry;
u32 rd_data;
u32 data;
int ret;
retry = PLL_LOCK_RETRY_COUNT;
do {
rd_data = readl(addr);
if (rd_data & bit)
return 0;
udelay(1);
} while (--retry > 0);
ret = readl_poll_timeout_atomic(addr, data, (data & bit), 1,
PLL_LOCK_RETRY_COUNT);
if (ret)
pr_err("%s: FAIL\n", __func__);
pr_err("%s: FAIL\n", __func__);
return -ETIMEDOUT;
return ret;
}
static int bcm_usb_ss_phy_init(struct bcm_usb_phy_cfg *phy_cfg)