[linux-sunxi] Re: [PATCH v2 06/13] clk: sunxi: Make the mod0 clk driver also a platform driver
Hi,
On 19-12-14 19:24, Maxime Ripard wrote:
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
---
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
#include
#include
+#include
#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.
Ok, I'll respin this patch adding such a comment.
Regards,
Hans
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[linux-sunxi] Re: [PATCH v2 06/13] clk: sunxi: Make the mod0 clk driver also a platform driver
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
> ---
> 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
> #include
> #include
> +#include
>
> #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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