lkml.org 
[lkml]   [2012]   [Jan]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] omap: use usleep_range() instead of mdelay()/udelay()
Date
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 */


\
 
 \ /
  Last update: 2012-01-04 01:01    [W:0.033 / U:0.300 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site