* [PATCH] omap: use usleep_range() instead of mdelay()/udelay()
@ 2011-12-21 7:00 Dmitry Antipov
2012-01-03 23:58 ` Kevin Hilman
0 siblings, 1 reply; 2+ messages in thread
From: Dmitry Antipov @ 2011-12-21 7:00 UTC (permalink / raw)
To: linaro-dev; +Cc: patches, linux-omap, linux-kernel
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(-)
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 */
--
1.7.7.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] omap: use usleep_range() instead of mdelay()/udelay()
2011-12-21 7:00 [PATCH] omap: use usleep_range() instead of mdelay()/udelay() Dmitry Antipov
@ 2012-01-03 23:58 ` Kevin Hilman
0 siblings, 0 replies; 2+ messages in thread
From: Kevin Hilman @ 2012-01-03 23:58 UTC (permalink / raw)
To: Dmitry Antipov; +Cc: linaro-dev, patches, linux-omap, linux-kernel
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 */
^ permalink raw reply [flat|nested] 2+ messages in thread
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2011-12-21 7:00 [PATCH] omap: use usleep_range() instead of mdelay()/udelay() Dmitry Antipov
2012-01-03 23:58 ` Kevin Hilman
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