rockchip: rk3036: add ofdata_to_platdata() method for driver
authorKever Yang <kever.yang@rock-chips.com>
Tue, 24 Apr 2018 03:27:06 +0000 (11:27 +0800)
committerPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>
Wed, 25 Apr 2018 20:20:06 +0000 (22:20 +0200)
Parse of data in dedicated api instead of in probe().

The clk_set_rate() may be called before the clk driver is probed,
after core support set default clock.
This patch fix system abort issue since:
f4fcba5 clk: implement clk_set_defaults()

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
drivers/clk/rockchip/clk_rk3036.c

index 560222b96c4442afb11fd96518ee4667188db2a0..5e11318042dc21fad837133e641b4bc3e603cf75 100644 (file)
@@ -317,11 +317,19 @@ static struct clk_ops rk3036_clk_ops = {
        .set_rate       = rk3036_clk_set_rate,
 };
 
-static int rk3036_clk_probe(struct udevice *dev)
+static int rk3036_clk_ofdata_to_platdata(struct udevice *dev)
 {
        struct rk3036_clk_priv *priv = dev_get_priv(dev);
 
        priv->cru = dev_read_addr_ptr(dev);
+
+       return 0;
+}
+
+static int rk3036_clk_probe(struct udevice *dev)
+{
+       struct rk3036_clk_priv *priv = dev_get_priv(dev);
+
        rkclk_init(priv->cru);
 
        return 0;
@@ -367,6 +375,7 @@ U_BOOT_DRIVER(rockchip_rk3036_cru) = {
        .id             = UCLASS_CLK,
        .of_match       = rk3036_clk_ids,
        .priv_auto_alloc_size = sizeof(struct rk3036_clk_priv),
+       .ofdata_to_platdata = rk3036_clk_ofdata_to_platdata,
        .ops            = &rk3036_clk_ops,
        .bind           = rk3036_clk_bind,
        .probe          = rk3036_clk_probe,