Re: [PATCH v3 1/5] clk: sunxi: Add apb0 gates for H3

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On Thu, Feb 04, 2016 at 03:47:52PM +0100, Jean-Francois Moine wrote:
On Thu,  4 Feb 2016 00:33:46 +0100
Krzysztof Adamski <k@xxxxxxxx> wrote:

This patch adds support for APB0 in H3. It seems to be compatible with
earlier SOCs. apb0 gates controls R_ block peripherals (R_PIO, R_IR,
etc).

Signed-off-by: Krzysztof Adamski <k@xxxxxxxx>
---
 Documentation/devicetree/bindings/clock/sunxi.txt | 1 +
 drivers/clk/sunxi/clk-simple-gates.c              | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
index e59f57b..751c8b9f0 100644
--- a/Documentation/devicetree/bindings/clock/sunxi.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi.txt
@@ -45,6 +45,7 @@ Required properties:
 	"allwinner,sun6i-a31-apb0-gates-clk" - for the APB0 gates on A31
 	"allwinner,sun7i-a20-apb0-gates-clk" - for the APB0 gates on A20
 	"allwinner,sun8i-a23-apb0-gates-clk" - for the APB0 gates on A23
+	"allwinner,sun8i-h3-apb0-gates-clk" - for the APB0 gates on H3
 	"allwinner,sun9i-a80-apb0-gates-clk" - for the APB0 gates on A80
 	"allwinner,sun4i-a10-apb1-clk" - for the APB1 clock
 	"allwinner,sun9i-a80-apb1-clk" - for the APB1 bus clock on A80
diff --git a/drivers/clk/sunxi/clk-simple-gates.c b/drivers/clk/sunxi/clk-simple-gates.c
index f4da52b..6753c87 100644
--- a/drivers/clk/sunxi/clk-simple-gates.c
+++ b/drivers/clk/sunxi/clk-simple-gates.c
@@ -130,6 +130,8 @@ CLK_OF_DECLARE(sun8i_a23_apb2, "allwinner,sun8i-a23-apb2-gates-clk",
 	       sunxi_simple_gates_init);
 CLK_OF_DECLARE(sun8i_a33_ahb1, "allwinner,sun8i-a33-ahb1-gates-clk",
 	       sunxi_simple_gates_init);
+CLK_OF_DECLARE(sun8i_h3_apb0, "allwinner,sun8i-h3-apb0-gates-clk",
+	       sunxi_simple_gates_init);
 CLK_OF_DECLARE(sun9i_a80_ahb0, "allwinner,sun9i-a80-ahb0-gates-clk",
 	       sunxi_simple_gates_init);
 CLK_OF_DECLARE(sun9i_a80_ahb1, "allwinner,sun9i-a80-ahb1-gates-clk",

It seems that the other compatible strings are there for historical
reasons. Why do you need a new one with such a specific name?

It would have been more sensible to add a generic compatible string as
"allwinner,apb-gates", letting the removal of the other strings for a
later patch...

Seems like a good idea but is it possible to remove those binding in separate patch? I mean, wouldn't that, in theory, break ABI? Are such patches accepted?
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