From: Atsushi Nemoto Date: Thu, 3 Sep 2009 13:59:00 +0000 (+0900) Subject: MIPS: TXx9: Fix spi-baseclk value X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fcc152f3bf55cec61167b173774cbf717b0ff5e4;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git 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: Atsushi Nemoto Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index dfe4720ac82e..e10184c1b3e1 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -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);