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ptp: link the phc device to its parent device

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PTP Hardware Clock devices appear as class devices in sysfs. This patch
changes the registration API to use the parent device, clarifying the
clock's relationship to the underlying device.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Cochran
2012-09-22 07:02:03 +00:00
committed by David S. Miller
parent 5c35bad5ff
commit 1ef761582c
9 changed files with 18 additions and 11 deletions
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7
include/linux/ptp_clock_kernel.h
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@@ -21,6 +21,7 @@
#ifndef _PTP_CLOCK_KERNEL_H_
#define _PTP_CLOCK_KERNEL_H_
#include <linux/device.h>
#include <linux/pps_kernel.h>
#include <linux/ptp_clock.h>
@@ -93,10 +94,12 @@ struct ptp_clock;
/**
* ptp_clock_register() - register a PTP hardware clock driver
*
* @info: Structure describing the new clock.
* @info: Structure describing the new clock.
* @parent: Pointer to the parent device of the new clock.
*/
extern struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info);
extern struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
struct device *parent);
/**
* ptp_clock_unregister() - unregister a PTP hardware clock driver