[PATCH 2/2] ARM: pxa: reduce the scope of get_memclk_frequency_10khz()

[Eric Miao]

On Mon, Sep 20, 2010 at 8:10 AM, Haojian Zhuang
<haojian.zhuang at gmail.com> wrote:
> Up to now, only pxa2xx pcmcia driver is using the API. No other device driver
> is using this API in PXA3xx or any other PXA silicons.
>
> Restrict the scope only on pxa2xx and remove the implementation of pxa3xx. So
> we can avoid oo much checking on cpuid after more pxa chips supported.
>
> Signed-off-by: Haojian Zhuang <haojian.zhuang at marvell.com>
> Cc: Eric Miao <eric.y.miao at gmail.com>

Applied.

> ---
>  arch/arm/mach-pxa/generic.c |    3 +--
>  arch/arm/mach-pxa/generic.h |    2 --
>  arch/arm/mach-pxa/pxa3xx.c  |   17 -----------------
>  3 files changed, 1 insertions(+), 21 deletions(-)
>
> diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
> index 6655dea..6451e9c 100644
> --- a/arch/arm/mach-pxa/generic.c
> +++ b/arch/arm/mach-pxa/generic.c
> @@ -79,8 +79,7 @@ unsigned int get_memclk_frequency_10khz(void)
>                return pxa25x_get_memclk_frequency_10khz();
>        else if (cpu_is_pxa27x())
>                return pxa27x_get_memclk_frequency_10khz();
> -       else
> -               return pxa3xx_get_memclk_frequency_10khz();
> +       return 0;
>  }
>  EXPORT_SYMBOL(get_memclk_frequency_10khz);
>
> diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h
> index c6305c5..4b1ad27 100644
> --- a/arch/arm/mach-pxa/generic.h
> +++ b/arch/arm/mach-pxa/generic.h
> @@ -54,11 +54,9 @@ static inline void pxa2xx_clear_reset_status(unsigned int mask) {}
>
>  #ifdef CONFIG_PXA3xx
>  extern unsigned pxa3xx_get_clk_frequency_khz(int);
> -extern unsigned pxa3xx_get_memclk_frequency_10khz(void);
>  extern void pxa3xx_clear_reset_status(unsigned int);
>  #else
>  #define pxa3xx_get_clk_frequency_khz(x)                (0)
> -#define pxa3xx_get_memclk_frequency_10khz()    (0)
>  static inline void pxa3xx_clear_reset_status(unsigned int mask) {}
>  #endif
>
> diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
> index cf2bd26..c85c3a7 100644
> --- a/arch/arm/mach-pxa/pxa3xx.c
> +++ b/arch/arm/mach-pxa/pxa3xx.c
> @@ -98,23 +98,6 @@ unsigned int pxa3xx_get_clk_frequency_khz(int info)
>        return CLK / 1000;
>  }
>
> -/*
> - * Return the current static memory controller clock frequency
> - * in units of 10kHz
> - */
> -unsigned int pxa3xx_get_memclk_frequency_10khz(void)
> -{
> -       unsigned long acsr;
> -       unsigned int smcfs, clk = 0;
> -
> -       acsr = ACSR;
> -
> -       smcfs = (acsr >> 23) & 0x7;
> -       clk = (acsr & ACCR_D0CS) ? RO_CLK : smcfs_mult[smcfs] * BASE_CLK;
> -
> -       return (clk / 10000);
> -}
> -
>  void pxa3xx_clear_reset_status(unsigned int mask)
>  {
>        /* RESET_STATUS_* has a 1:1 mapping with ARSR */
> --
> 1.5.6.5
>
>