diff mbox

omap: use usleep_range() instead of mdelay()/udelay()

Message ID 4EF18426.3040805@linaro.org
State New
Headers show

Commit Message

Dmitry Antipov Dec. 21, 2011, 7 a.m. UTC
From e4db974edb5c46360465462518a88b83f1bdedf6 Mon Sep 17 00:00:00 2001
From: Dmitry Antipov <dmitry.antipov@linaro.org>
Date: Wed, 21 Dec 2011 10:57:08 +0400
Subject: [PATCH] omap: use usleep_range() instead of mdelay()/udelay()

---
  arch/arm/mach-omap2/omap_phy_internal.c |    2 +-
  arch/arm/mach-omap2/vc.c                |    2 +-
  2 files changed, 2 insertions(+), 2 deletions(-)

Comments

Kevin Hilman Jan. 3, 2012, 11:58 p.m. UTC | #1
Dmitry Antipov <dmitry.antipov@linaro.org> writes:

> From e4db974edb5c46360465462518a88b83f1bdedf6 Mon Sep 17 00:00:00 2001
> From: Dmitry Antipov <dmitry.antipov@linaro.org>
> Date: Wed, 21 Dec 2011 10:57:08 +0400
> Subject: [PATCH] omap: use usleep_range() instead of mdelay()/udelay()

Please include a signoff and a descriptive changelog (describing why.)

Thanks,

Kevin

> ---
>  arch/arm/mach-omap2/omap_phy_internal.c |    2 +-
>  arch/arm/mach-omap2/vc.c                |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c
> index 58775e3..e5dff64 100644
> --- a/arch/arm/mach-omap2/omap_phy_internal.c
> +++ b/arch/arm/mach-omap2/omap_phy_internal.c
> @@ -145,7 +145,7 @@ int omap4430_phy_suspend(struct device *dev, int suspend)
>  		/* power on the phy */
>  		if (__raw_readl(ctrl_base + CONTROL_DEV_CONF) & PHY_PD) {
>  			__raw_writel(~PHY_PD, ctrl_base + CONTROL_DEV_CONF);
> -			mdelay(200);
> +			usleep_range(200000, 201000);
>  		}
>
>  		/* restore the context */
> diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c
> index 031d116..57f44d5 100644
> --- a/arch/arm/mach-omap2/vc.c
> +++ b/arch/arm/mach-omap2/vc.c
> @@ -151,7 +151,7 @@ void omap_vc_post_scale(struct voltagedomain *voltdm,
>  	/* SMPS slew rate / step size. 2us added as buffer. */
>  	smps_delay = ((smps_steps * voltdm->pmic->step_size) /
>  			voltdm->pmic->slew_rate) + 2;
> -	udelay(smps_delay);
> +	usleep_range(smps_delay, smps_delay + 10);
>  }
>
>  /* vc_bypass_scale - VC bypass method of voltage scaling */
diff mbox

Patch

diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c
index 58775e3..e5dff64 100644
--- a/arch/arm/mach-omap2/omap_phy_internal.c
+++ b/arch/arm/mach-omap2/omap_phy_internal.c
@@ -145,7 +145,7 @@  int omap4430_phy_suspend(struct device *dev, int suspend)
  		/* power on the phy */
  		if (__raw_readl(ctrl_base + CONTROL_DEV_CONF) & PHY_PD) {
  			__raw_writel(~PHY_PD, ctrl_base + CONTROL_DEV_CONF);
-			mdelay(200);
+			usleep_range(200000, 201000);
  		}

  		/* restore the context */
diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c
index 031d116..57f44d5 100644
--- a/arch/arm/mach-omap2/vc.c
+++ b/arch/arm/mach-omap2/vc.c
@@ -151,7 +151,7 @@  void omap_vc_post_scale(struct voltagedomain *voltdm,
  	/* SMPS slew rate / step size. 2us added as buffer. */
  	smps_delay = ((smps_steps * voltdm->pmic->step_size) /
  			voltdm->pmic->slew_rate) + 2;
-	udelay(smps_delay);
+	usleep_range(smps_delay, smps_delay + 10);
  }

  /* vc_bypass_scale - VC bypass method of voltage scaling */