linux-kernel - [PATCH 6/9] clk: pistachio: Propagate rate changes in the MIPS PLL clock sub-tree

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Message-ID: <1432252663-31318-7-git-send-email-ezequiel.garcia@imgtec.com>
Date:	Thu, 21 May 2015 20:57:40 -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 6/9] clk: pistachio: Propagate rate changes in the MIPS PLL clock sub-tree

This commit passes CLK_SET_RATE_PARENT to the "mips_div",
"mips_internal_div", and "mips_pll_mux" clocks. This flag is needed for the
"mips" clock to propagate rate changes up to the "mips_pll" root clock.

Signed-off-by: Govindraj Raja <Govindraj.Raja@...tec.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@...tec.com>
---
 drivers/clk/pistachio/clk-pistachio.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/pistachio/clk-pistachio.c b/drivers/clk/pistachio/clk-pistachio.c
index 47e2fb1..22a7ebd 100644
--- a/drivers/clk/pistachio/clk-pistachio.c
+++ b/drivers/clk/pistachio/clk-pistachio.c
@@ -57,9 +57,10 @@ static struct pistachio_fixed_factor pistachio_ffs[] __initdata = {
 };
 
 static struct pistachio_div pistachio_divs[] __initdata = {
-	DIV(CLK_MIPS_INTERNAL_DIV, "mips_internal_div", "mips_pll_mux",
-	    0x204, 2),
-	DIV(CLK_MIPS_DIV, "mips_div", "mips_internal_div", 0x208, 8),
+	DIV_F(CLK_MIPS_INTERNAL_DIV, "mips_internal_div", "mips_pll_mux",
+		0x204, 2, CLK_SET_RATE_PARENT, 0),
+	DIV_F(CLK_MIPS_DIV, "mips_div", "mips_internal_div",
+		0x208, 8, CLK_SET_RATE_PARENT, 0),
 	DIV_F(CLK_AUDIO_DIV, "audio_div", "audio_mux",
 		0x20c, 8, 0, CLK_DIVIDER_ROUND_CLOSEST),
 	DIV_F(CLK_I2S_DIV, "i2s_div", "audio_pll_mux",
@@ -126,7 +127,8 @@ PNAME(mux_xtal_bt) = { "xtal", "bt_pll" };
 static struct pistachio_mux pistachio_muxes[] __initdata = {
 	MUX(CLK_AUDIO_REF_MUX, "audio_refclk_mux", mux_xtal_audio_refclk,
 	    0x200, 0),
-	MUX(CLK_MIPS_PLL_MUX, "mips_pll_mux", mux_xtal_mips, 0x200, 1),
+	MUX_F(CLK_MIPS_PLL_MUX, "mips_pll_mux", mux_xtal_mips,
+	    0x200, 1, CLK_SET_RATE_PARENT),
 	MUX(CLK_AUDIO_PLL_MUX, "audio_pll_mux", mux_xtal_audio, 0x200, 2),
 	MUX(CLK_AUDIO_MUX, "audio_mux", mux_audio_debug, 0x200, 4),
 	MUX(CLK_RPU_V_PLL_MUX, "rpu_v_pll_mux", mux_xtal_rpu_v, 0x200, 5),
-- 
2.3.3

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