Hi,
On Wed, Dec 17, 2014 at 06:18:17PM +0100, Hans de Goede wrote:
> With the prcm in sun6i (and some later SoCs) some mod0 clocks are instantiated
> through the mfd framework, and as such do not work with of_clk_declare, since
> they do not have registers assigned to them yet at of_clk_declare init time.
>
> Silence the error on not finding registers in the of_clk_declare mod0 clk
> setup method, and also register mod0-clk support as a platform driver to work
> properly with mfd instantiated mod0 clocks.
>
> Signed-off-by: Hans de Goede <hdego...@redhat.com>
> ---
> drivers/clk/sunxi/clk-mod0.c | 41 ++++++++++++++++++++++++++++++++++++-----
> 1 file changed, 36 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/clk/sunxi/clk-mod0.c b/drivers/clk/sunxi/clk-mod0.c
> index 658d74f..7ddab6f 100644
> --- a/drivers/clk/sunxi/clk-mod0.c
> +++ b/drivers/clk/sunxi/clk-mod0.c
> @@ -17,6 +17,7 @@
> #include <linux/clk-provider.h>
> #include <linux/clkdev.h>
> #include <linux/of_address.h>
> +#include <linux/platform_device.h>
>
> #include "clk-factors.h"
>
> @@ -67,7 +68,7 @@ static struct clk_factors_config sun4i_a10_mod0_config = {
> .pwidth = 2,
> };
>
> -static const struct factors_data sun4i_a10_mod0_data __initconst = {
> +static const struct factors_data sun4i_a10_mod0_data = {
> .enable = 31,
> .mux = 24,
> .muxmask = BIT(1) | BIT(0),
> @@ -82,17 +83,47 @@ static void __init sun4i_a10_mod0_setup(struct
> device_node *node)
> void __iomem *reg;
>
> reg = of_iomap(node, 0);
> - if (!reg) {
> - pr_err("Could not get registers for mod0-clk: %s\n",
> - node->name);
> + if (!reg)
> return;
> - }A comment here would be nice to mention that this is intentional. It looks good otherwise, thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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