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From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
To: "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>
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Date: Thu, 3 Sep 2009 07:59:00 -0600
Subject: [PATCH 1/2] txx9: Fix spi-baseclk value
Thread-Topic: [PATCH 1/2] txx9: Fix spi-baseclk value
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TXx9 SPI bit rate is calculated by:
	fBR =3D fSPI / 2 / (n + 1)
	(fSPI is SPI master clock freq, i.e. imbusclk freq.)
So use imbus_clk / 2 as a spi-baseclk.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
---
 arch/mips/txx9/generic/setup.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.=
c
index a205e2b..b2613c1 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -85,7 +85,7 @@ int txx9_ccfg_toeon __initdata =3D 1;
 struct clk *clk_get(struct device *dev, const char *id)
 {
 	if (!strcmp(id, "spi-baseclk"))
-		return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 4);
+		return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 2);
 	if (!strcmp(id, "imbus_clk"))
 		return (struct clk *)((unsigned long)txx9_gbus_clock / 2);
 	return ERR_PTR(-ENOENT);
--=20
1.5.6.5


