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| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2020-08-25 10:03:04 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-09-08 09:56:11 +0530 |
| commit | 6f2a721850c4b0291c118bc9acf18199fbf7b9cd (patch) | |
| tree | 37ba0fa37ab9c82990be1b18e88c0789242b3b70 /drivers/phy/broadcom | |
| parent | 01a45633009743ce120be83f6de66830f114b92f (diff) | |
| download | linux-6f2a721850c4b0291c118bc9acf18199fbf7b9cd.tar.bz2 | |
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>
Diffstat (limited to 'drivers/phy/broadcom')
| -rw-r--r-- | drivers/phy/broadcom/phy-bcm-sr-usb.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/phy/broadcom/phy-bcm-sr-usb.c b/drivers/phy/broadcom/phy-bcm-sr-usb.c index 77c025a0720c..c3e99ad17487 100644 --- a/drivers/phy/broadcom/phy-bcm-sr-usb.c +++ b/drivers/phy/broadcom/phy-bcm-sr-usb.c @@ -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) |