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author | Gabor Juhos <juhosg@openwrt.org> | 2013-08-28 08:41:44 (GMT) |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2013-09-03 21:22:17 (GMT) |
commit | 2310780244d5c3b6cc843d4cc0b63332016678a0 (patch) | |
tree | a5d9acd309caa01f549d4c895687fe91235e2805 /arch/mips/ath79/clock.c | |
parent | 837f036c8ab201965b9fb0f6b743a415f555493f (diff) | |
download | linux-2310780244d5c3b6cc843d4cc0b63332016678a0.tar.xz |
MIPS: ath79: Use a helper function to get system clock rates
The ath79 platform uses similar code to get the
rate of various clocks during init. Separate the
similar code into a new helper function and use
that to avoid code duplication.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5778/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/ath79/clock.c')
-rw-r--r-- | arch/mips/ath79/clock.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/mips/ath79/clock.c b/arch/mips/ath79/clock.c index 4378d63..c8351b4 100644 --- a/arch/mips/ath79/clock.c +++ b/arch/mips/ath79/clock.c @@ -400,6 +400,22 @@ void __init ath79_clocks_init(void) (ath79_ref_clk.rate / 1000) % 1000); } +unsigned long __init +ath79_get_sys_clk_rate(const char *id) +{ + struct clk *clk; + unsigned long rate; + + clk = clk_get(NULL, id); + if (IS_ERR(clk)) + panic("unable to get %s clock, err=%d", id, (int) PTR_ERR(clk)); + + rate = clk_get_rate(clk); + clk_put(clk); + + return rate; +} + /* * Linux clock API */ |