linux-kernel - [PATCH 9/9] clk: pistachio: Correct critical clock list

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Message-ID: <1432252663-31318-10-git-send-email-ezequiel.garcia@imgtec.com>
Date:	Thu, 21 May 2015 20:57:43 -0300
From:	Ezequiel Garcia <ezequiel.garcia@...tec.com>
To:	<linux-mips@...ux-mips.org>, <linux-kernel@...r.kernel.org>,
	"Mike Turquette" <mturquette@...aro.org>, <sboyd@...eaurora.org>
CC:	Andrew Bresticker <abrestic@...omium.org>,
	James Hartley <james.hartley@...tec.com>,
	<Govindraj.Raja@...tec.com>, <Damien.Horsley@...tec.com>,
	<cernekee@...omium.org>, James Hogan <james.hogan@...tec.com>,
	Ezequiel Garcia <ezequiel.garcia@...tec.com>
Subject: [PATCH 9/9] clk: pistachio: Correct critical clock list

From: Damien Horsley <Damien.Horsley@...tec.com>

Correct the critical clock list. The current one is wrong, and may
fail under some circumstances.

Signed-off-by: Damien Horsley <Damien.Horsley@...tec.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@...tec.com>
---
 drivers/clk/pistachio/clk-pistachio.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/pistachio/clk-pistachio.c b/drivers/clk/pistachio/clk-pistachio.c
index 0ac7429..5fc617b 100644
--- a/drivers/clk/pistachio/clk-pistachio.c
+++ b/drivers/clk/pistachio/clk-pistachio.c
@@ -171,9 +171,15 @@ PNAME(mux_debug) = { "mips_pll_mux", "rpu_v_pll_mux",
 		     "wifi_pll_mux", "bt_pll_mux" };
 static u32 mux_debug_idx[] = { 0x0, 0x1, 0x2, 0x4, 0x8, 0x10 };
 
-static unsigned int pistachio_critical_clks[] __initdata = {
+static unsigned int pistachio_critical_clks_core[] __initdata = {
 	CLK_MIPS,
-	CLK_PERIPH_SYS,
+};
+
+static unsigned int pistachio_critical_clks_sys[] __initdata = {
+	PERIPH_CLK_SYS,
+	PERIPH_CLK_SYS_BUS,
+	PERIPH_CLK_DDR,
+	PERIPH_CLK_ROM,
 };
 
 static void __init pistachio_clk_init(struct device_node *np)
@@ -205,8 +211,8 @@ static void __init pistachio_clk_init(struct device_node *np)
 
 	pistachio_clk_register_provider(p);
 
-	pistachio_clk_force_enable(p, pistachio_critical_clks,
-				   ARRAY_SIZE(pistachio_critical_clks));
+	pistachio_clk_force_enable(p, pistachio_critical_clks_core,
+				   ARRAY_SIZE(pistachio_critical_clks_core));
 }
 CLK_OF_DECLARE(pistachio_clk, "img,pistachio-clk", pistachio_clk_init);
 
@@ -273,6 +279,9 @@ static void __init pistachio_clk_periph_init(struct device_node *np)
 				    ARRAY_SIZE(pistachio_periph_gates));
 
 	pistachio_clk_register_provider(p);
+
+	pistachio_clk_force_enable(p, pistachio_critical_clks_sys,
+				   ARRAY_SIZE(pistachio_critical_clks_sys));
 }
 CLK_OF_DECLARE(pistachio_clk_periph, "img,pistachio-clk-periph",
 	       pistachio_clk_periph_init);
-- 
2.3.3

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