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[PATCHv3,2/4] clk: sunxi: Allow to specify the divider width from the dividers data

Message ID 1375735381-18214-3-git-send-email-maxime.ripard@free-electrons.com
State New
Headers show

Commit Message

Maxime Ripard Aug. 5, 2013, 8:42 p.m. UTC 
The divider width used to be hardcoded. Some A31 dividers are no longer
with the hardcoded width, so we need to make it specific to each divider
and set it in the dividers data.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Emilio López <emilio@elopez.com.ar>
---
 drivers/clk/sunxi/clk-sunxi.c | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)
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Patch

diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index 9a03ede..cd07169 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -278,26 +278,28 @@  static void __init sunxi_mux_clk_setup(struct device_node *node,
  * sunxi_divider_clk_setup() - Setup function for simple divider clocks
  */
 
-#define SUNXI_DIVISOR_WIDTH	2
-
 struct div_data {
-	u8 shift;
-	u8 pow;
+	u8	shift;
+	u8	pow;
+	u8	width;
 };
 
 static const __initconst struct div_data sun4i_axi_data = {
-	.shift = 0,
-	.pow = 0,
+	.shift	= 0,
+	.pow	= 0,
+	.width	= 2,
 };
 
 static const __initconst struct div_data sun4i_ahb_data = {
-	.shift = 4,
-	.pow = 1,
+	.shift	= 4,
+	.pow	= 1,
+	.width	= 2,
 };
 
 static const __initconst struct div_data sun4i_apb0_data = {
-	.shift = 8,
-	.pow = 1,
+	.shift	= 8,
+	.pow	= 1,
+	.width	= 2,
 };
 
 static void __init sunxi_divider_clk_setup(struct device_node *node,
@@ -313,7 +315,7 @@  static void __init sunxi_divider_clk_setup(struct device_node *node,
 	clk_parent = of_clk_get_parent_name(node, 0);
 
 	clk = clk_register_divider(NULL, clk_name, clk_parent, 0,
-				   reg, data->shift, SUNXI_DIVISOR_WIDTH,
+				   reg, data->shift, data->width,
 				   data->pow ? CLK_DIVIDER_POWER_OF_TWO : 0,
 				   &clk_lock);
 	if (clk) {