linux-kernel - Re: [PATCH] ARM: OMAP4: HWMOD: make 'ocp2scp_usb_phy_phy

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Date:	Tue, 9 Apr 2013 10:54:03 +0200
From:	Benoit Cousson <b-cousson@...com>
To:	Kishon Vijay Abraham I <kishon@...com>
CC:	<rnayak@...com>, <tony@...mide.com>, <linux@....linux.org.uk>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, Keerthy <j-keerthy@...com>,
	Paul Walmsley <paul@...an.com>
Subject: Re: [PATCH] ARM: OMAP4: HWMOD: make 'ocp2scp_usb_phy_phy_48m" as
 the main clock

Hi Kishon,

On 04/09/2013 10:28 AM, Kishon Vijay Abraham I wrote:
> commit 92702d (ARM: OMAP4: PM: fix PM regression introduced by recent
> clock cleanup) makes the 'ocp2scp_usb_phy_phy_48m' as optional
> functional clock causing regression in MUSB. But this 48MHz clock is a
> mandatory clock for usb phy attached to ocp2scp and hence made as the main
> clock for ocp2scp.

It is a fix for 3.9-rcX?

Regards,
Benoit

> 
> Cc: Keerthy <j-keerthy@...com>
> Cc: Benoît Cousson <b-cousson@...com>
> Cc: Paul Walmsley <paul@...an.com>
> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
> ---
>  arch/arm/mach-omap2/omap_hwmod_44xx_data.c |    8 +-------
>  1 file changed, 1 insertion(+), 7 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
> index 9e05765..c1fb090 100644
> --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
> @@ -2714,16 +2714,12 @@ static struct omap_ocp2scp_dev ocp2scp_dev_attr[] = {
>  	{ }
>  };
>  
> -static struct omap_hwmod_opt_clk ocp2scp_usb_phy_opt_clks[] = {
> -	{ .role = "48mhz", .clk = "ocp2scp_usb_phy_phy_48m" },
> -};
> -
>  /* ocp2scp_usb_phy */
>  static struct omap_hwmod omap44xx_ocp2scp_usb_phy_hwmod = {
>  	.name		= "ocp2scp_usb_phy",
>  	.class		= &omap44xx_ocp2scp_hwmod_class,
>  	.clkdm_name	= "l3_init_clkdm",
> -	.main_clk	= "func_48m_fclk",
> +	.main_clk	= "ocp2scp_usb_phy_phy_48m",
>  	.prcm = {
>  		.omap4 = {
>  			.clkctrl_offs = OMAP4_CM_L3INIT_USBPHYOCP2SCP_CLKCTRL_OFFSET,
> @@ -2732,8 +2728,6 @@ static struct omap_hwmod omap44xx_ocp2scp_usb_phy_hwmod = {
>  		},
>  	},
>  	.dev_attr	= ocp2scp_dev_attr,
> -	.opt_clks	= ocp2scp_usb_phy_opt_clks,
> -	.opt_clks_cnt	= ARRAY_SIZE(ocp2scp_usb_phy_opt_clks),
>  };
>  
>  /*
> 

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