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| author | Eric Bénard <eric@eukrea.com> | 2010-06-08 11:02:57 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-07-26 14:18:09 +0200 |
| commit | a6e92b49ae5ef48e1791e5df8368af1fe8b3bd9a (patch) | |
| tree | b07023d846c725032cc3c1c2aa8e5b5b0c4f0cb9 /arch/arm/mach-mx25 | |
| parent | 648beaf5bd7072031bddd84bf7bb482ec459a603 (diff) | |
| download | blackbird-op-linux-a6e92b49ae5ef48e1791e5df8368af1fe8b3bd9a.tar.gz blackbird-op-linux-a6e92b49ae5ef48e1791e5df8368af1fe8b3bd9a.zip | |
i.MX25: fix get_rate_otg to return the correct value
usb drivers need to get the right value for otg clock so
calculate and return it
Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx25')
| -rw-r--r-- | arch/arm/mach-mx25/clock.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c index f44d65765b9a..84f0f1efea4b 100644 --- a/arch/arm/mach-mx25/clock.c +++ b/arch/arm/mach-mx25/clock.c @@ -131,7 +131,10 @@ static unsigned long get_rate_lcdc(struct clk *clk) static unsigned long get_rate_otg(struct clk *clk) { - return 48000000; /* FIXME */ + unsigned long cctl = readl(CRM_BASE + CCM_CCTL); + unsigned long rate = get_rate_upll(); + + return (cctl & (1 << 23)) ? 0 : rate / ((0x3F & (cctl >> 16)) + 1); } static int clk_cgcr_enable(struct clk *clk) |
