[PATCH V12 4/4] ptp: Added a clock driver for the National Semiconductor PHYTER.
John Stultz
john.stultz at linaro.org
Thu Mar 24 08:46:25 EST 2011
On Mon, 2011-02-28 at 08:58 +0100, Richard Cochran wrote:
> This patch adds support for the PTP clock found on the DP83640.
> The basic clock operations and one external time stamp have
> been implemented.
Just locking rule comment nits here.
> +static int tdr_write(int bc, struct phy_device *dev,
> + const struct timespec *ts, u16 cmd)
> +{
> + ext_write(bc, dev, PAGE4, PTP_TDR, ts->tv_nsec & 0xffff);/* ns[15:0] */
> + ext_write(bc, dev, PAGE4, PTP_TDR, ts->tv_nsec >> 16); /* ns[31:16] */
> + ext_write(bc, dev, PAGE4, PTP_TDR, ts->tv_sec & 0xffff); /* sec[15:0] */
> + ext_write(bc, dev, PAGE4, PTP_TDR, ts->tv_sec >> 16); /* sec[31:16]*/
> +
> + ext_write(bc, dev, PAGE4, PTP_CTL, cmd);
> +
> + return 0;
> +}
The above needs to hold the extreg_lock, and should be commented as
such.
And again, the function names are sort of generic, and could use a
dp83640_ prefix or something.
thanks
-john
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