diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2020-08-25 10:03:03 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-09-08 09:56:10 +0530 |
| commit | 01a45633009743ce120be83f6de66830f114b92f (patch) | |
| tree | fe4129e78e18736dca3d3b1b5df10ff0940e1408 /drivers/phy/broadcom | |
| parent | 47da6aa776eb3ccefaa5108d30bfe9957ddde510 (diff) | |
| download | linux-01a45633009743ce120be83f6de66830f114b92f.tar.gz linux-01a45633009743ce120be83f6de66830f114b92f.tar.xz | |
phy: phy-bcm-ns2-usbdrd: 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/1598320987-25518-2-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-ns2-usbdrd.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/phy/broadcom/phy-bcm-ns2-usbdrd.c b/drivers/phy/broadcom/phy-bcm-ns2-usbdrd.c index 527625912b78..9630ac127366 100644 --- a/drivers/phy/broadcom/phy-bcm-ns2-usbdrd.c +++ b/drivers/phy/broadcom/phy-bcm-ns2-usbdrd.c @@ -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) |