From: Antoine Tenart Date: Fri, 15 May 2015 23:40:15 +0000 (+0200) Subject: clk: berlin: prepare simple-mfd conversion X-Git-Tag: firefly_0821_release~176^2~1555^2~11^2~6 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=26b3b6b959b25603944cb3bb70a72484e8ef775f;p=firefly-linux-kernel-4.4.55.git clk: berlin: prepare simple-mfd conversion Prepare conversion of berlin clk drivers to a simple-mfd sub-node by checking for parent node compatible. If parent node is "syscon" compatible use it for of_iomap instead of the own node. Signed-off-by: Antoine Tenart Acked-by: Stephen Boyd Signed-off-by: Sebastian Hesselbarth --- diff --git a/drivers/clk/berlin/bg2.c b/drivers/clk/berlin/bg2.c index 515fb133495c..d8e57097518b 100644 --- a/drivers/clk/berlin/bg2.c +++ b/drivers/clk/berlin/bg2.c @@ -502,11 +502,15 @@ static const struct berlin2_gate_data bg2_gates[] __initconst = { static void __init berlin2_clock_setup(struct device_node *np) { + struct device_node *parent_np = of_get_parent(np); const char *parent_names[9]; struct clk *clk; u8 avpll_flags = 0; int n; + if (of_device_is_compatible(parent_np, "syscon")) + np = parent_np; + gbase = of_iomap(np, 0); if (!gbase) return; @@ -689,3 +693,5 @@ CLK_OF_DECLARE(berlin2_clock, "marvell,berlin2-chip-ctrl", berlin2_clock_setup); CLK_OF_DECLARE(berlin2cd_clock, "marvell,berlin2cd-chip-ctrl", berlin2_clock_setup); +CLK_OF_DECLARE(berlin2_clk, "marvell,berlin2-clk", + berlin2_clock_setup); diff --git a/drivers/clk/berlin/bg2q.c b/drivers/clk/berlin/bg2q.c index 440ef81ab15c..638a649ebed7 100644 --- a/drivers/clk/berlin/bg2q.c +++ b/drivers/clk/berlin/bg2q.c @@ -290,10 +290,14 @@ static const struct berlin2_gate_data bg2q_gates[] __initconst = { static void __init berlin2q_clock_setup(struct device_node *np) { + struct device_node *parent_np = of_get_parent(np); const char *parent_names[9]; struct clk *clk; int n; + if (of_device_is_compatible(parent_np, "syscon")) + np = parent_np; + gbase = of_iomap(np, 0); if (!gbase) { pr_err("%s: Unable to map global base\n", np->full_name); @@ -386,3 +390,5 @@ bg2q_fail: } CLK_OF_DECLARE(berlin2q_clock, "marvell,berlin2q-chip-ctrl", berlin2q_clock_setup); +CLK_OF_DECLARE(berlin2q_clk, "marvell,berlin2q-clk", + berlin2q_clock_setup);