Re: [PATCH 4/4] ARM: shmobile: r7s72100: use workaround for non DT-clocks

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hi Wolfram,

Thank you for the patch.

On Friday 28 February 2014 22:09:28 Wolfram Sang wrote:
> From: Wolfram Sang <wsa@sang-engineering.com>
> 
> SCIF2 and MTU2 are not yet prepared for DT usage, so use the common
> workaround via clkdev for now.

What about adding a DT node for the serial port instead ? :-)

> Signed-off-by: Wolfram Sang <wsa@sang-engineering.com>
> ---
>  arch/arm/mach-shmobile/board-genmai-reference.c | 15 +++++++++++++--
>  1 file changed, 13 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-shmobile/board-genmai-reference.c
> b/arch/arm/mach-shmobile/board-genmai-reference.c index 7630c10..91dcdd0
> 100644
> --- a/arch/arm/mach-shmobile/board-genmai-reference.c
> +++ b/arch/arm/mach-shmobile/board-genmai-reference.c
> @@ -18,18 +18,29 @@
>   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 
> USA */
> 
> -#include <linux/clk-provider.h>
>  #include <linux/kernel.h>
>  #include <linux/of_platform.h>
> +#include <mach/clock.h>
>  #include <mach/common.h>
>  #include <mach/r7s72100.h>
>  #include <asm/mach-types.h>
>  #include <asm/mach/arch.h>
> 
> +#ifdef CONFIG_COMMON_CLK
> +/*
> + * This is a really crude hack to provide clkdev support to platform
> + * devices until they get moved to DT.
> + */
> +static const struct clk_name clk_names[] = {
> +	{ "mtu2", NULL, "sh_mtu2.0" },
> +	{ "scif2", NULL, "sh-sci.2" },
> +};
> +#endif
> +
>  static void __init genmai_add_standard_devices(void)
>  {
>  #ifdef CONFIG_COMMON_CLK
> -	of_clk_init(NULL);
> +	shmobile_clk_workaround(clk_names, ARRAY_SIZE(clk_names), true);
>  #else
>  	r7s72100_clock_init();
>  #endif

-- 
Regards,

Laurent Pinchart