linux-kernel - Re: [PATCH v4 16/23] ARM: OMAP2+: clock data: Merge utmi_px_gfclk into usb_host_hs_utmi_px

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Message-ID: <20121214182855.GB4989@atomide.com>
Date:	Fri, 14 Dec 2012 10:28:56 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	Roger Quadros <rogerq@...com>
Cc:	balbi@...com, sameo@...ux.intel.com, paul@...an.com,
	keshava_mgowda@...com, sshtylyov@...sta.com, bjorn@...k.no,
	linux-usb@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Rajendra Nayak <rnayak@...com>,
	Benoit Cousson <b-cousson@...com>,
	Mike Turquette <mturquette@...il.com>
Subject: Re: [PATCH v4 16/23] ARM: OMAP2+: clock data: Merge utmi_px_gfclk
 into usb_host_hs_utmi_px_clk

* Roger Quadros <rogerq@...com> [121210 02:23]:
> There is no such clock as utmi_p1_gfclk. It is only a clock selector
> bit to select th the parent of usb_host_hs_utmi_p1_clk.
> So we get rid of utmi_p1_gfclk and utmi_p2_gfclk by merging them into
> usb_host_hs_utmi_p1_clk and usb_host_hs_utmi_p2_clk respectively.
> 
> CC: Paul Walmsley <paul@...an.com>
> CC: Rajendra Nayak <rnayak@...com>
> CC: Benoit Cousson <b-cousson@...com>
> CC: Mike Turquette <mturquette@...il.com>

Paul, what about this patch? Looks like you've acked the other
clock patches in this series but not this one?

Regards,

Tony
 
> Signed-off-by: Roger Quadros <rogerq@...com>
> ---
>  arch/arm/mach-omap2/cclock3xxx_data.c |    2 -
>  arch/arm/mach-omap2/cclock44xx_data.c |   47 +++++++++++++++++++++++----------
>  2 files changed, 33 insertions(+), 16 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/cclock3xxx_data.c b/arch/arm/mach-omap2/cclock3xxx_data.c
> index bdf3948..5655414 100644
> --- a/arch/arm/mach-omap2/cclock3xxx_data.c
> +++ b/arch/arm/mach-omap2/cclock3xxx_data.c
> @@ -3392,8 +3392,6 @@ static struct omap_clk omap3xxx_clks[] = {
>  	CLK(NULL,	"usbhost_48m_fck", &usbhost_48m_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
>  	CLK(NULL,	"usbhost_ick",	&usbhost_ick,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
>  	CLK("usbhs_omap",	"usbhost_ick",	&usbhost_ick,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
> -	CLK(NULL,	"utmi_p1_gfclk",	&dummy_ck,	CK_3XXX),
> -	CLK(NULL,	"utmi_p2_gfclk",	&dummy_ck,	CK_3XXX),
>  	CLK(NULL,	"xclk60mhsp1_ck",	&dummy_ck,	CK_3XXX),
>  	CLK(NULL,	"xclk60mhsp2_ck",	&dummy_ck,	CK_3XXX),
>  	CLK(NULL,	"usb_host_hs_utmi_p1_clk",	&dummy_ck,	CK_3XXX),
> diff --git a/arch/arm/mach-omap2/cclock44xx_data.c b/arch/arm/mach-omap2/cclock44xx_data.c
> index aa56c3e..74535fe 100644
> --- a/arch/arm/mach-omap2/cclock44xx_data.c
> +++ b/arch/arm/mach-omap2/cclock44xx_data.c
> @@ -1366,31 +1366,52 @@ static struct clk_hw_omap usb_host_fs_fck_hw = {
>  DEFINE_STRUCT_CLK(usb_host_fs_fck, usb_host_fs_fck_parent_names,
>  		  usb_host_fs_fck_ops);
>  
> +static const struct clk_ops utmi_clk_ops = {
> +	.enable		= &omap2_dflt_clk_enable,
> +	.disable	= &omap2_dflt_clk_disable,
> +	.is_enabled	= &omap2_dflt_clk_is_enabled,
> +	.recalc_rate	= &omap2_clksel_recalc,
> +	.get_parent	= &omap2_clksel_find_parent_index,
> +	.set_parent	= &omap2_clksel_set_parent,
> +};
> +
>  static const char *utmi_p1_gfclk_parents[] = {
>  	"init_60m_fclk", "xclk60mhsp1_ck",
>  };
>  
> -DEFINE_CLK_MUX(utmi_p1_gfclk, utmi_p1_gfclk_parents, NULL, 0x0,
> -	       OMAP4430_CM_L3INIT_USB_HOST_CLKCTRL,
> -	       OMAP4430_CLKSEL_UTMI_P1_SHIFT, OMAP4430_CLKSEL_UTMI_P1_WIDTH,
> -	       0x0, NULL);
> +static const struct clksel utmi_p1_clk_mux_sel[] = {
> +	{ .parent = &init_60m_fclk, .rates = div_1_0_rates },
> +	{ .parent = &xclk60mhsp1_ck, .rates = div_1_1_rates },
> +	{ .parent = NULL },
> +};
>  
> -DEFINE_CLK_GATE(usb_host_hs_utmi_p1_clk, "utmi_p1_gfclk", &utmi_p1_gfclk, 0x0,
> +/* Merged utmi_p1_gfclk into usb_host_hs_utmi_p1_clk */
> +DEFINE_CLK_OMAP_MUX_GATE(usb_host_hs_utmi_p1_clk, "l3_init_clkdm",
> +		utmi_p1_clk_mux_sel,
> +		OMAP4430_CM_L3INIT_USB_HOST_CLKCTRL,
> +		OMAP4430_CLKSEL_UTMI_P1_MASK,
>  		OMAP4430_CM_L3INIT_USB_HOST_CLKCTRL,
> -		OMAP4430_OPTFCLKEN_UTMI_P1_CLK_SHIFT, 0x0, NULL);
> +		OMAP4430_OPTFCLKEN_UTMI_P1_CLK_SHIFT, NULL,
> +		utmi_p1_gfclk_parents, utmi_clk_ops);
>  
>  static const char *utmi_p2_gfclk_parents[] = {
>  	"init_60m_fclk", "xclk60mhsp2_ck",
>  };
>  
> -DEFINE_CLK_MUX(utmi_p2_gfclk, utmi_p2_gfclk_parents, NULL, 0x0,
> -	       OMAP4430_CM_L3INIT_USB_HOST_CLKCTRL,
> -	       OMAP4430_CLKSEL_UTMI_P2_SHIFT, OMAP4430_CLKSEL_UTMI_P2_WIDTH,
> -	       0x0, NULL);
> +static const struct clksel utmi_p2_clk_mux_sel[] = {
> +	{ .parent = &init_60m_fclk, .rates = div_1_0_rates },
> +	{ .parent = &xclk60mhsp2_ck, .rates = div_1_1_rates },
> +	{ .parent = NULL },
> +};
>  
> -DEFINE_CLK_GATE(usb_host_hs_utmi_p2_clk, "utmi_p2_gfclk", &utmi_p2_gfclk, 0x0,
> +/* Merged utmi_p2_gfclk into usb_host_hs_utmi_p2_clk */
> +DEFINE_CLK_OMAP_MUX_GATE(usb_host_hs_utmi_p2_clk, "l3_init_clkdm",
> +		utmi_p2_clk_mux_sel,
> +		OMAP4430_CM_L3INIT_USB_HOST_CLKCTRL,
> +		OMAP4430_CLKSEL_UTMI_P2_MASK,
>  		OMAP4430_CM_L3INIT_USB_HOST_CLKCTRL,
> -		OMAP4430_OPTFCLKEN_UTMI_P2_CLK_SHIFT, 0x0, NULL);
> +		OMAP4430_OPTFCLKEN_UTMI_P2_CLK_SHIFT, NULL,
> +		utmi_p2_gfclk_parents, utmi_clk_ops);
>  
>  DEFINE_CLK_GATE(usb_host_hs_utmi_p3_clk, "init_60m_fclk", &init_60m_fclk, 0x0,
>  		OMAP4430_CM_L3INIT_USB_HOST_CLKCTRL,
> @@ -1838,9 +1859,7 @@ static struct omap_clk omap44xx_clks[] = {
>  	CLK(NULL,	"uart4_fck",			&uart4_fck,	CK_443X),
>  	CLK(NULL,	"usb_host_fs_fck",		&usb_host_fs_fck,	CK_443X),
>  	CLK("usbhs_omap",	"fs_fck",		&usb_host_fs_fck,	CK_443X),
> -	CLK(NULL,	"utmi_p1_gfclk",		&utmi_p1_gfclk,	CK_443X),
>  	CLK(NULL,	"usb_host_hs_utmi_p1_clk",	&usb_host_hs_utmi_p1_clk,	CK_443X),
> -	CLK(NULL,	"utmi_p2_gfclk",		&utmi_p2_gfclk,	CK_443X),
>  	CLK(NULL,	"usb_host_hs_utmi_p2_clk",	&usb_host_hs_utmi_p2_clk,	CK_443X),
>  	CLK(NULL,	"usb_host_hs_utmi_p3_clk",	&usb_host_hs_utmi_p3_clk,	CK_443X),
>  	CLK(NULL,	"usb_host_hs_hsic480m_p1_clk",	&usb_host_hs_hsic480m_p1_clk,	CK_443X),
> -- 
> 1.7.4.1
> 
--
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