[PATCH 06/10] ARM: mx28: update clocks for dual fec support
Baruch Siach
baruch at tkos.co.il
Wed Dec 29 01:57:34 EST 2010
Hi Shawn,
On Tue, Dec 28, 2010 at 10:55:51PM +0800, Shawn Guo wrote:
> * Change fec clock registration to use con_id only for looking up,
> so that dual fec driver can find the same clock for both fec0
> and fec1.
>
> * Explicitly call clk_enable for some clocks that have been on to
> reflect the clock status and get usecount updated. Otherwise,
> clocks could be turned off by pair call of clk_enable/clk_disable
> in drivers, because of the incorrect initial usecount.
>
> Signed-off-by: Shawn Guo <shawn.guo at freescale.com>
> ---
> arch/arm/mach-mxs/clock-mx28.c | 7 ++++++-
> 1 files changed, 6 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
> index dd6d158..6b77aff 100644
> --- a/arch/arm/mach-mxs/clock-mx28.c
> +++ b/arch/arm/mach-mxs/clock-mx28.c
> @@ -603,7 +603,7 @@ _DEFINE_CLOCK(fec_clk, ENET, DISABLE, &hbus_clk);
>
> static struct clk_lookup lookups[] = {
> _REGISTER_CLOCK("uart", NULL, uart_clk)
> - _REGISTER_CLOCK("fec.0", NULL, fec_clk)
> + _REGISTER_CLOCK(NULL, "fec_clk", fec_clk)
Looks like a wrong use of the clk API. You should define define two clocks
"fec.0" and "fec.1".
baruch
--
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