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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>
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1 changed files with 4 additions and 9 deletions
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@ -18,6 +18,7 @@
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#include <linux/init.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <linux/io.h>
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#include <linux/iopoll.h>
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#include <linux/irq.h>
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#include <linux/irq.h>
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#include <linux/mfd/syscon.h>
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#include <linux/mfd/syscon.h>
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#include <linux/module.h>
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#include <linux/module.h>
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@ -87,17 +88,11 @@ static const unsigned int usb_extcon_cable[] = {
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static inline int pll_lock_stat(u32 usb_reg, int reg_mask,
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static inline int pll_lock_stat(u32 usb_reg, int reg_mask,
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struct ns2_phy_driver *driver)
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struct ns2_phy_driver *driver)
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{
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{
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int retry = PLL_LOCK_RETRY;
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u32 val;
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u32 val;
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do {
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return readl_poll_timeout_atomic(driver->icfgdrd_regs + usb_reg,
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udelay(1);
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val, (val & reg_mask), 1,
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val = readl(driver->icfgdrd_regs + usb_reg);
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PLL_LOCK_RETRY);
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if (val & reg_mask)
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return 0;
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} while (--retry > 0);
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return -EBUSY;
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}
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}
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static int ns2_drd_phy_init(struct phy *phy)
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static int ns2_drd_phy_init(struct phy *phy)
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