diff options
| author | Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> | 2025-09-08 17:44:26 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-09-11 18:34:34 -0700 |
| commit | fd2b2429fbc859b398385da69c85515851f2c0e5 (patch) | |
| tree | 6c91d9ace3ff5ad270693bd4914fe35f2d280fad | |
| parent | 492d816b1793b4f72a458a7261bdbaa1ec1bd2f2 (diff) | |
net: ethernet: renesas: rcar_gen4_ptp: Use lockdep to verify internal usage
Instead of a having a comment that the lock must be held when calling
the internal helper add a lockdep check to enforce it.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250908154426.3062861-4-niklas.soderlund+renesas@ragnatech.se
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/renesas/rcar_gen4_ptp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/renesas/rcar_gen4_ptp.c b/drivers/net/ethernet/renesas/rcar_gen4_ptp.c index cf13eba9b65e..d0979abd36de 100644 --- a/drivers/net/ethernet/renesas/rcar_gen4_ptp.c +++ b/drivers/net/ethernet/renesas/rcar_gen4_ptp.c @@ -42,12 +42,13 @@ static int rcar_gen4_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm) return 0; } -/* Caller must hold the lock */ static void _rcar_gen4_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) { struct rcar_gen4_ptp_private *ptp_priv = ptp_to_priv(ptp); + lockdep_assert_held(&ptp_priv->lock); + ts->tv_nsec = ioread32(ptp_priv->addr + PTPGPTPTM00_REG); ts->tv_sec = ioread32(ptp_priv->addr + PTPGPTPTM10_REG) | ((s64)ioread32(ptp_priv->addr + PTPGPTPTM20_REG) << 32); |