Hi Hans,
El 22/01/14 18:36, Hans de Goede escribió:
The usb-clk register is special in that it not only contains clk gate bits,
but also has a few reset bits. This commit adds support for this by allowing
gates type sunxi clks to also register a reset controller.
Signed-off-by: Hans de Goede <[email protected]>
---
(snip)
static const struct gates_data sun4i_axi_gates_data __initconst = {
@@ -818,6 +873,7 @@ static void __init sunxi_gates_clk_setup(struct device_node
*node,
struct gates_data *data)
{
struct clk_onecell_data *clk_data;
+ struct gates_reset_data *reset_data;
const char *clk_parent;
const char *clk_name;
void *reg;
@@ -861,6 +917,21 @@ static void __init sunxi_gates_clk_setup(struct
device_node *node,
clk_data->clk_num = i;
of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+
+ /* Register a reset controler for gates with reset bits */
+ if (data->reset_mask == 0)
+ return;
+
+ reset_data = kzalloc(sizeof(*reset_data), GFP_KERNEL);
+ if (!reset_data)
+ return;
+
+ reset_data->reg = reg;
+ reset_data->lock = &clk_lock;
+ reset_data->rcdev.nr_resets = hweight32(data->reset_mask);
I know I made you change this, but after having a second look into
nr_resets, I think your original implementation makes more sense. This
will break if you use a mask with holes on it. Sorry :(
+ reset_data->rcdev.ops = &sunxi_gates_reset_ops;
+ reset_data->rcdev.of_node = node;
+ reset_controller_register(&reset_data->rcdev);
}
Emilio
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