linux-kernel - Re: [PATCH] usb: musb: OMAP4430: Remove a redundant omap4430_phy_init call in usb_musb

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Date:	Tue, 20 Sep 2011 16:27:15 +0200
From:	Bjarne Steinsbo <bsteinsbo@...il.com>
To:	Axel Lin <axel.lin@...il.com>
Cc:	linux-kernel@...r.kernel.org, Felipe Balbi <balbi@...com>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>,
	linux-usb@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] usb: musb: OMAP4430: Remove a redundant omap4430_phy_init
 call in usb_musb_init

Ref thread starting at http://marc.info/?l=linux-omap&m=131316289211258&w=2

Bjarne Steinsbo

On Tue, Sep 20, 2011 at 10:50 AM, Axel Lin <axel.lin@...il.com> wrote:
> Current code calls omap4430_phy_init() twice in usb_musb_init().
> Calling omap4430_phy_init() once is enough.
> This patch removes the first omap4430_phy_init() call, which using an
> uninitialized pointer as parameter.
>
> This patch elimates below build warning:
> arch/arm/mach-omap2/usb-musb.c: In function 'usb_musb_init':
> arch/arm/mach-omap2/usb-musb.c:141: warning: 'dev' may be used uninitialized in this function
>
> Signed-off-by: Axel Lin <axel.lin@...il.com>
> ---
>  arch/arm/mach-omap2/usb-musb.c |    3 ---
>  1 files changed, 0 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
> index a65145b..19e4dac 100644
> --- a/arch/arm/mach-omap2/usb-musb.c
> +++ b/arch/arm/mach-omap2/usb-musb.c
> @@ -137,9 +137,6 @@ void __init usb_musb_init(struct omap_musb_board_data *musb_board_data)
>        musb_plat.mode = board_data->mode;
>        musb_plat.extvbus = board_data->extvbus;
>
> -       if (cpu_is_omap44xx())
> -               omap4430_phy_init(dev);
> -
>        if (cpu_is_omap3517() || cpu_is_omap3505()) {
>                oh_name = "am35x_otg_hs";
>                name = "musb-am35x";
> --
> 1.7.4.1
>
>
>
> --
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