| Message ID | 20210507085756.20427-4-yangbo.lu@nxp.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | ptp: support virtual clocks for multiple domains | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Clearly marked for net-next |
| netdev/subject_prefix | success | Link |
| netdev/cc_maintainers | warning | 3 maintainers not CCed: linuxppc-dev@lists.ozlabs.org linux-arm-kernel@lists.infradead.org leoyang.li@nxp.com |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Link |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | fail | Errors and warnings before: 95 this patch: 98 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | Link |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 28 lines checked |
| netdev/build_allmodconfig_warn | fail | Errors and warnings before: 62 this patch: 106 |
| netdev/header_inline | success | Link |
diff --git a/drivers/ptp/ptp_qoriq.c b/drivers/ptp/ptp_qoriq.c index 08f4cf0ad9e3..4617055a3307 100644 --- a/drivers/ptp/ptp_qoriq.c +++ b/drivers/ptp/ptp_qoriq.c @@ -311,6 +311,21 @@ int ptp_qoriq_enable(struct ptp_clock_info *ptp, } EXPORT_SYMBOL_GPL(ptp_qoriq_enable); +u64 ptp_qoriq_clock_read(const struct cyclecounter *cc) +{ + struct ptp_clock_info *ptp = ptp_get_pclock_info(cc); + struct ptp_qoriq *ptp_qoriq = container_of(ptp, struct ptp_qoriq, caps); + unsigned long flags; + u64 ns; + + spin_lock_irqsave(&ptp_qoriq->lock, flags); + ns = tmr_cnt_read(ptp_qoriq); + spin_unlock_irqrestore(&ptp_qoriq->lock, flags); + + return ns; +} +EXPORT_SYMBOL_GPL(ptp_qoriq_clock_read); + static const struct ptp_clock_info ptp_qoriq_caps = { .owner = THIS_MODULE, .name = "qoriq ptp clock", diff --git a/include/linux/fsl/ptp_qoriq.h b/include/linux/fsl/ptp_qoriq.h index 01acebe37fab..9a2ecd696c7e 100644 --- a/include/linux/fsl/ptp_qoriq.h +++ b/include/linux/fsl/ptp_qoriq.h @@ -193,6 +193,7 @@ int ptp_qoriq_settime(struct ptp_clock_info *ptp, const struct timespec64 *ts); int ptp_qoriq_enable(struct ptp_clock_info *ptp, struct ptp_clock_request *rq, int on); +u64 ptp_qoriq_clock_read(const struct cyclecounter *cc); int extts_clean_up(struct ptp_qoriq *ptp_qoriq, int index, bool update_event); #ifdef CONFIG_DEBUG_FS void ptp_qoriq_create_debugfs(struct ptp_qoriq *ptp_qoriq);
Export ptp clock reading function for cyclecounter to read cycles. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> --- drivers/ptp/ptp_qoriq.c | 15 +++++++++++++++ include/linux/fsl/ptp_qoriq.h | 1 + 2 files changed, 16 insertions(+)