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authorRuqiang Ju <juruqiang@huawei.com>2016-11-15 05:31:32 -0200
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-11-22 16:20:31 -0200
commit414e72c729534a89017bc19415edc4957ebcc6fa (patch)
treefa20141d8f86ce05309a56979621ba1c4a244f88
parent[media] mn88473: refactor and fix statistics (diff)
downloadlinux-dev-414e72c729534a89017bc19415edc4957ebcc6fa.tar.xz
linux-dev-414e72c729534a89017bc19415edc4957ebcc6fa.zip
[media] ir-hix5hd2: make hisilicon,power-syscon property deprecated
The clock of IR can be provided by the clock provider and controlled by common clock framework APIs. Signed-off-by: Ruqiang Ju <juruqiang@huawei.com> Signed-off-by: Jiancheng Xue <xuejiancheng@hisilicon.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
-rw-r--r--Documentation/devicetree/bindings/media/hix5hd2-ir.txt6
-rw-r--r--drivers/media/rc/ir-hix5hd2.c25
2 files changed, 19 insertions, 12 deletions
diff --git a/Documentation/devicetree/bindings/media/hix5hd2-ir.txt b/Documentation/devicetree/bindings/media/hix5hd2-ir.txt
index fb5e7606643a..54e1bede6244 100644
--- a/Documentation/devicetree/bindings/media/hix5hd2-ir.txt
+++ b/Documentation/devicetree/bindings/media/hix5hd2-ir.txt
@@ -8,10 +8,11 @@ Required properties:
the device. The interrupt specifier format depends on the interrupt
controller parent.
- clocks: clock phandle and specifier pair.
- - hisilicon,power-syscon: phandle of syscon used to control power.
Optional properties:
- linux,rc-map-name : Remote control map name.
+ - hisilicon,power-syscon: DEPRECATED. Don't use this in new dts files.
+ Provide correct clocks instead.
Example node:
@@ -19,7 +20,6 @@ Example node:
compatible = "hisilicon,hix5hd2-ir";
reg = <0xf8001000 0x1000>;
interrupts = <0 47 4>;
- clocks = <&clock HIX5HD2_FIXED_24M>;
- hisilicon,power-syscon = <&sysctrl>;
+ clocks = <&clock HIX5HD2_IR_CLOCK>;
linux,rc-map-name = "rc-tivo";
};
diff --git a/drivers/media/rc/ir-hix5hd2.c b/drivers/media/rc/ir-hix5hd2.c
index d0549fba711c..d26907e684dc 100644
--- a/drivers/media/rc/ir-hix5hd2.c
+++ b/drivers/media/rc/ir-hix5hd2.c
@@ -75,15 +75,22 @@ static void hix5hd2_ir_enable(struct hix5hd2_ir_priv *dev, bool on)
{
u32 val;
- regmap_read(dev->regmap, IR_CLK, &val);
- if (on) {
- val &= ~IR_CLK_RESET;
- val |= IR_CLK_ENABLE;
+ if (dev->regmap) {
+ regmap_read(dev->regmap, IR_CLK, &val);
+ if (on) {
+ val &= ~IR_CLK_RESET;
+ val |= IR_CLK_ENABLE;
+ } else {
+ val &= ~IR_CLK_ENABLE;
+ val |= IR_CLK_RESET;
+ }
+ regmap_write(dev->regmap, IR_CLK, val);
} else {
- val &= ~IR_CLK_ENABLE;
- val |= IR_CLK_RESET;
+ if (on)
+ clk_prepare_enable(dev->clock);
+ else
+ clk_disable_unprepare(dev->clock);
}
- regmap_write(dev->regmap, IR_CLK, val);
}
static int hix5hd2_ir_config(struct hix5hd2_ir_priv *priv)
@@ -207,8 +214,8 @@ static int hix5hd2_ir_probe(struct platform_device *pdev)
priv->regmap = syscon_regmap_lookup_by_phandle(node,
"hisilicon,power-syscon");
if (IS_ERR(priv->regmap)) {
- dev_err(dev, "no power-reg\n");
- return -EINVAL;
+ dev_info(dev, "no power-reg\n");
+ priv->regmap = NULL;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);