linux-kernel - Re: [PATCH 1/3] arm: omap2+ remove dead clock code

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Message-ID: <20150130215123.GC16250@atomide.com>
Date:	Fri, 30 Jan 2015 13:51:24 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	Michael Turquette <mturquette@...aro.org>
Cc:	linux-kernel@...r.kernel.org, Stephen Boyd <sboyd@...eaurora.org>,
	Paul Walmsley <paul@...an.com>, Tero Kristo <t-kristo@...com>,
	linux-omap@...r.kernel.org
Subject: Re: [PATCH 1/3] arm: omap2+ remove dead clock code

* Michael Turquette <mturquette@...aro.org> [150130 13:28]:
> Remove omap_clocks_register and dummy_ck. The former is not used anymore
> now that the statically defined clk stuctures are replaced with proper
> descriptors and registered with the framework.
> 
> The dummy clock in arch/arm/mach-omap2 is made redundant by the OMAP3+
> clock data that migrated to drivers/clk.
> 
> An additional benefit to this clean-up is removing the references to
> clk-private.h which will be removed.

Right on! Assuming things sitll build and boot, please feel free to
apply this via your clock patches:

Acked-by: Tony Lindgren <tony@...mide.com>
 
> Cc: Paul Walmsley <paul@...an.com>
> Cc: Tero Kristo <t-kristo@...com>
> Cc: Tony Lindgren <tony@...mide.com>
> Signed-off-by: Michael Turquette <mturquette@...aro.org>
> ---
> Cc: linux-omap@...r.kernel.org
>  arch/arm/mach-omap2/clock.c             | 16 ----------------
>  arch/arm/mach-omap2/clock.h             |  5 -----
>  arch/arm/mach-omap2/clock_common_data.c | 14 --------------
>  3 files changed, 35 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
> index 6ad5b4d..d9c128e 100644
> --- a/arch/arm/mach-omap2/clock.c
> +++ b/arch/arm/mach-omap2/clock.c
> @@ -23,7 +23,6 @@
>  #include <linux/clk-provider.h>
>  #include <linux/io.h>
>  #include <linux/bitops.h>
> -#include <linux/clk-private.h>
>  #include <asm/cpu.h>
>  
>  #include <trace/events/power.h>
> @@ -630,21 +629,6 @@ const struct clk_hw_omap_ops clkhwops_wait = {
>  };
>  
>  /**
> - * omap_clocks_register - register an array of omap_clk
> - * @ocs: pointer to an array of omap_clk to register
> - */
> -void __init omap_clocks_register(struct omap_clk oclks[], int cnt)
> -{
> -	struct omap_clk *c;
> -
> -	for (c = oclks; c < oclks + cnt; c++) {
> -		clkdev_add(&c->lk);
> -		if (!__clk_init(NULL, c->lk.clk))
> -			omap2_init_clk_hw_omap_clocks(c->lk.clk);
> -	}
> -}
> -
> -/**
>   * omap2_clk_switch_mpurate_at_boot - switch ARM MPU rate by boot-time argument
>   * @mpurate_ck_name: clk name of the clock to change rate
>   *
> diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
> index c5b3a7f..6a10ce3 100644
> --- a/arch/arm/mach-omap2/clock.h
> +++ b/arch/arm/mach-omap2/clock.h
> @@ -245,7 +245,6 @@ struct ti_clk_features {
>  extern struct ti_clk_features ti_clk_features;
>  
>  extern const struct clkops clkops_omap2_dflt_wait;
> -extern const struct clkops clkops_dummy;
>  extern const struct clkops clkops_omap2_dflt;
>  
>  extern struct clk_functions omap2_clk_functions;
> @@ -254,8 +253,6 @@ extern const struct clksel_rate gpt_32k_rates[];
>  extern const struct clksel_rate gpt_sys_rates[];
>  extern const struct clksel_rate gfx_l3_rates[];
>  extern const struct clksel_rate dsp_ick_rates[];
> -extern struct clk_core dummy_ck_core;
> -extern struct clk dummy_ck;
>  
>  extern const struct clk_hw_omap_ops clkhwops_iclk_wait;
>  extern const struct clk_hw_omap_ops clkhwops_wait;
> @@ -280,7 +277,5 @@ extern void __iomem *clk_memmaps[];
>  extern int omap2_clkops_enable_clkdm(struct clk_hw *hw);
>  extern void omap2_clkops_disable_clkdm(struct clk_hw *hw);
>  
> -extern void omap_clocks_register(struct omap_clk *oclks, int cnt);
> -
>  void __init ti_clk_init_features(void);
>  #endif
> diff --git a/arch/arm/mach-omap2/clock_common_data.c b/arch/arm/mach-omap2/clock_common_data.c
> index febd0a2..61b60df 100644
> --- a/arch/arm/mach-omap2/clock_common_data.c
> +++ b/arch/arm/mach-omap2/clock_common_data.c
> @@ -16,7 +16,6 @@
>   * OMAP3xxx clock definition files.
>   */
>  
> -#include <linux/clk-private.h>
>  #include "clock.h"
>  
>  /* clksel_rate data common to 24xx/343x */
> @@ -114,16 +113,3 @@ const struct clksel_rate div31_1to31_rates[] = {
>  	{ .div = 31, .val = 31, .flags = RATE_IN_4430 | RATE_IN_AM33XX },
>  	{ .div = 0 },
>  };
> -
> -/* Clocks shared between various OMAP SoCs */
> -
> -static struct clk_ops dummy_ck_ops = {};
> -
> -struct clk_core dummy_ck_core = {
> -	.name = "dummy_clk",
> -	.ops = &dummy_ck_ops,
> -	.flags = CLK_IS_BASIC,
> -};
> -struct clk dummy_ck = {
> -	.core = &dummy_ck_core,
> -};
> -- 
> 1.9.1
> 
--
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