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Commit fcc152f3 authored by Atsushi Nemoto's avatar Atsushi Nemoto Committed by Ralf Baechle
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MIPS: TXx9: Fix spi-baseclk value 



TXx9 SPI bit rate is calculated by:
	fBR = 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: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 2b5b9b78

arch/mips/txx9/generic/setup.c

+1 −1
Original line number Diff line number Diff line
@@ -85,7 +85,7 @@ int txx9_ccfg_toeon __initdata = 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);