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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 <[email protected]>
Acked-by: Ben Hutchings <[email protected]>
Acked-by: Jeff Kirsher <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Richard Cochran 2012-09-22 07:02:03 +00:00 • committed by David S. Miller
commit 1ef761582c
9 changed files with 18 additions and 11 deletions
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5
drivers/ptp/ptp_clock.c
View file

@ -182,7 +182,8 @@ static void delete_ptp_clock(struct posix_clock *pc)
/* public interface */
struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info)
struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
struct device *parent)
{
struct ptp_clock *ptp;
int err = 0, index, major = MAJOR(ptp_devt);
@ -215,7 +216,7 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info)
init_waitqueue_head(&ptp->tsev_wq);
/* Create a new device in our class. */
ptp->dev = device_create(ptp_class, NULL, ptp->devid, ptp,
ptp->dev = device_create(ptp_class, parent, ptp->devid, ptp,
"ptp%d", ptp->index);
if (IS_ERR(ptp->dev))
goto no_device;

2
drivers/ptp/ptp_ixp46x.c
View file

@ -298,7 +298,7 @@ static int __init ptp_ixp_init(void)
ixp_clock.caps = ptp_ixp_caps;
ixp_clock.ptp_clock = ptp_clock_register(&ixp_clock.caps);
ixp_clock.ptp_clock = ptp_clock_register(&ixp_clock.caps, NULL);
if (IS_ERR(ixp_clock.ptp_clock))
return PTR_ERR(ixp_clock.ptp_clock);

2
drivers/ptp/ptp_pch.c
View file

@ -627,7 +627,7 @@ pch_probe(struct pci_dev *pdev, const struct pci_device_id *id)
}
chip->caps = ptp_pch_caps;
chip->ptp_clock = ptp_clock_register(&chip->caps);
chip->ptp_clock = ptp_clock_register(&chip->caps, &pdev->dev);
if (IS_ERR(chip->ptp_clock))
return PTR_ERR(chip->ptp_clock);