diff options
| author | Florian Fainelli <florian@openwrt.org> | 2010-01-27 09:10:06 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2010-02-27 12:53:16 +0100 |
| commit | 780019ddf02f214ad61e641b57b8ac30c837e2a7 (patch) | |
| tree | 2d0a01efc4d508057bcfaa7b3df5b3e490c249ed /arch/mips/ar7/time.c | |
| parent | 5f3c909881d5deebb9a3ddc836a15937e76daefc (diff) | |
MIPS: AR7: Implement clock API
This patch makes the ar7 clock code implement the Linux clk API. Drivers
using the various clocks available in the SoC are updated accordingly.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
To: linux-mips@linux-mips.org
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: netdev@vger.kernel.org
Cc: David Miller <davem@davemloft.net>
Patchwork: http://patchwork.linux-mips.org/patch/881/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/ar7/time.c')
| -rw-r--r-- | arch/mips/ar7/time.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/mips/ar7/time.c b/arch/mips/ar7/time.c index a1fba894daa..5fb8a013408 100644 --- a/arch/mips/ar7/time.c +++ b/arch/mips/ar7/time.c @@ -20,11 +20,21 @@ #include <linux/init.h> #include <linux/time.h> +#include <linux/err.h> +#include <linux/clk.h> #include <asm/time.h> #include <asm/mach-ar7/ar7.h> void __init plat_time_init(void) { - mips_hpt_frequency = ar7_cpu_freq() / 2; + struct clk *cpu_clk; + + cpu_clk = clk_get(NULL, "cpu"); + if (IS_ERR(cpu_clk)) { + printk(KERN_ERR "unable to get cpu clock\n"); + return; + } + + mips_hpt_frequency = clk_get_rate(cpu_clk) / 2; } |