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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Andrey Panov <rockford@yandex.ru>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 03/18] CLK: Add fractional divider clock support from Linux kernel.
Date: Tue, 3 Mar 2015 08:51:27 +0100	[thread overview]
Message-ID: <20150303075127.GQ11010@pengutronix.de> (raw)
In-Reply-To: <1425327722-28232-4-git-send-email-rockford@yandex.ru>

On Mon, Mar 02, 2015 at 11:21:47PM +0300, Andrey Panov wrote:
> Arch Kconfig should select CLK_NEED_FDIV to have this support
> compiled in.
> 
> Signed-off-by: Andrey Panov <rockford@yandex.ru>
> ---
>  drivers/clk/Kconfig                  |   3 +
>  drivers/clk/Makefile                 |   1 +
>  drivers/clk/clk-fractional-divider.c | 156 +++++++++++++++++++++++++++++++++++
>  include/linux/clk.h                  |   9 ++
>  4 files changed, 169 insertions(+)
>  create mode 100644 drivers/clk/clk-fractional-divider.c
> 
> diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
> index 6db1f33..e82b566 100644
> --- a/drivers/clk/Kconfig
> +++ b/drivers/clk/Kconfig
> @@ -11,6 +11,9 @@ config COMMON_CLK
>  config CLK_NEED_COMPOSITE
>  	bool
>  
> +config CLK_NEED_FDIV
> +	bool
> +

No separate option needed.


> +struct clk *clk_fractional_divider_alloc(
> +		const char *name, const char *parent_name, unsigned long flags,
> +		void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth,
> +		u8 clk_divider_flags)
> +{
> +	struct clk_fractional_divider *fd;
> +
> +	fd = kzalloc(sizeof(*fd), GFP_KERNEL);
> +	if (!fd) {
> +		pr_err("could not allocate fractional divider clk %s\n", name);
> +		return ERR_PTR(-ENOMEM);
> +	}

xzalloc

Sascha

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  reply	other threads:[~2015-03-03  7:51 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-02 20:21 [PATCH 00/18] Update support for RK3188, Radxa Rock board Andrey Panov
2015-03-02 20:21 ` [PATCH 01/18] lib: Add gcd() function Andrey Panov
2015-03-03  7:45   ` Sascha Hauer
2015-03-02 20:21 ` [PATCH 02/18] CLK: Add support for composite clock from Linux kernel Andrey Panov
2015-03-03  7:48   ` Sascha Hauer
2015-03-02 20:21 ` [PATCH 03/18] CLK: Add fractional divider clock support " Andrey Panov
2015-03-03  7:51   ` Sascha Hauer [this message]
2015-03-02 20:21 ` [PATCH 04/18] CLK: clk-mux: Respect CLK_MUX_HIWORD_MASK flag Andrey Panov
2015-03-02 20:21 ` [PATCH 05/18] CLK: clk-divider: Respect CLK_DIVIDER_HIWORD_MASK flag Andrey Panov
2015-03-02 20:21 ` [PATCH 06/18] CLK: clk-divider: Introduce clk_divider_alloc() and *_free() routines Andrey Panov
2015-03-02 20:21 ` [PATCH 07/18] CLK: clk-divider: Respect CLK_DIVIDER_POWER_OF_TWO flag Andrey Panov
2015-03-02 20:21 ` [PATCH 08/18] CLK: Check and do not allow to register clock twice Andrey Panov
2015-03-03  9:03   ` Sascha Hauer
2015-03-02 20:21 ` [PATCH 09/18] CLK: Add helper defines to barebox-wrapper.h for easier porting of drivers from Linux kernel Andrey Panov
2015-03-02 20:21 ` [PATCH 10/18] NET: arc_emac: Update for newer DTS, support for Rockchip .compatible Andrey Panov
2015-03-02 20:21 ` [PATCH 11/18] MMC: dw_mmc: Add support for PIO mode and Rockchip variant of this hardware Andrey Panov
2015-03-02 20:21 ` [PATCH 12/18] ARM: Rockchip: Remove unused files from mach-rockchip Andrey Panov
2015-03-02 20:21 ` [PATCH 13/18] ARM: Rockchip: Update Kconfig Andrey Panov
2015-03-02 20:21 ` [PATCH 14/18] ARM: Rockchip: Update clk driver from Linux kernel for use with newer DTS Andrey Panov
2015-03-02 20:21 ` [PATCH 15/18] ARM: Rockchip: Use newer DTS for Radxa Rock board Andrey Panov
2015-03-02 20:22 ` [PATCH 16/18] ARM: Rockchip: Update " Andrey Panov
2015-03-02 20:22 ` [PATCH 17/18] ARM: Rockchip: Add Radxa Rock defconfig Andrey Panov
2015-03-02 20:22 ` [PATCH 18/18] ARM: Rockchip: Add documentation Andrey Panov
2015-03-02 20:54 ` [PATCH 00/18] Update support for RK3188, Radxa Rock board Antony Pavlov

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