From: Ansuel Smith <ansuelsmth@gmail.com> To: Andy Gross <agross@kernel.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, Kishon Vijay Abraham I <kishon@ti.com>, Vinod Koul <vkoul@kernel.org>, linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Ansuel Smith <ansuelsmth@gmail.com> Subject: [PATCH 2/2] drivers: phy: qcom: ipq806x-usb: conver latch function to pool macro Date: Mon, 17 Jan 2022 01:26:41 +0100 [thread overview] Message-ID: <20220117002641.26773-2-ansuelsmth@gmail.com> (raw) In-Reply-To: <20220117002641.26773-1-ansuelsmth@gmail.com> Convert latch function to readl pool macro to tidy things up. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> --- drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c index 6788e0e8272a..ab2d1431546d 100644 --- a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c @@ -112,6 +112,9 @@ #define SS_CR_READ_REG BIT(0) #define SS_CR_WRITE_REG BIT(0) +#define LATCH_SLEEP 40 +#define LATCH_TIMEOUT 100 + struct usb_phy { void __iomem *base; struct device *dev; @@ -156,19 +159,9 @@ static inline void usb_phy_write_readback(struct usb_phy *phy_dwc3, static int wait_for_latch(void __iomem *addr) { - u32 retry = 10; - - while (true) { - if (!readl(addr)) - break; - - if (--retry == 0) - return -ETIMEDOUT; - - usleep_range(10, 20); - } + u32 val; - return 0; + return readl_poll_timeout(addr, val, !val, LATCH_SLEEP, LATCH_TIMEOUT); } /** -- 2.33.1
WARNING: multiple messages have this Message-ID (diff)
From: Ansuel Smith <ansuelsmth@gmail.com> To: Andy Gross <agross@kernel.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, Kishon Vijay Abraham I <kishon@ti.com>, Vinod Koul <vkoul@kernel.org>, linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Ansuel Smith <ansuelsmth@gmail.com> Subject: [PATCH 2/2] drivers: phy: qcom: ipq806x-usb: conver latch function to pool macro Date: Mon, 17 Jan 2022 01:26:41 +0100 [thread overview] Message-ID: <20220117002641.26773-2-ansuelsmth@gmail.com> (raw) In-Reply-To: <20220117002641.26773-1-ansuelsmth@gmail.com> Convert latch function to readl pool macro to tidy things up. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> --- drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c index 6788e0e8272a..ab2d1431546d 100644 --- a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c @@ -112,6 +112,9 @@ #define SS_CR_READ_REG BIT(0) #define SS_CR_WRITE_REG BIT(0) +#define LATCH_SLEEP 40 +#define LATCH_TIMEOUT 100 + struct usb_phy { void __iomem *base; struct device *dev; @@ -156,19 +159,9 @@ static inline void usb_phy_write_readback(struct usb_phy *phy_dwc3, static int wait_for_latch(void __iomem *addr) { - u32 retry = 10; - - while (true) { - if (!readl(addr)) - break; - - if (--retry == 0) - return -ETIMEDOUT; - - usleep_range(10, 20); - } + u32 val; - return 0; + return readl_poll_timeout(addr, val, !val, LATCH_SLEEP, LATCH_TIMEOUT); } /** -- 2.33.1 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy
next prev parent reply other threads:[~2022-01-17 0:44 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-17 0:26 [PATCH 1/2] drivers: phy: qcom: ipq806x-usb: convert to BITFIELD macro Ansuel Smith 2022-01-17 0:26 ` Ansuel Smith 2022-01-17 0:26 ` Ansuel Smith [this message] 2022-01-17 0:26 ` [PATCH 2/2] drivers: phy: qcom: ipq806x-usb: conver latch function to pool macro Ansuel Smith 2022-01-23 11:52 ` Vinod Koul 2022-01-23 11:52 ` Vinod Koul 2022-01-23 14:46 ` Ansuel Smith 2022-01-23 14:46 ` Ansuel Smith 2022-01-24 4:27 ` Vinod Koul 2022-01-24 4:27 ` Vinod Koul 2022-01-24 4:28 ` [PATCH 1/2] drivers: phy: qcom: ipq806x-usb: convert to BITFIELD macro Vinod Koul 2022-01-24 4:28 ` Vinod Koul
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