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fec: Fix timer capture timing in `fec_ptp_enable_pps()`
author
Csókás Bence
<csokas.bence@prolan.hu>
Thu, 11 Aug 2022 10:13:49 +0000
(12:13 +0200)
committer
Jakub Kicinski
<kuba@kernel.org>
Sat, 13 Aug 2022 00:23:41 +0000
(17:23 -0700)
Code reimplements functionality already in `fec_ptp_read()`,
but misses check for FEC_QUIRK_BUG_CAPTURE. Replace with function call.
Fixes: 28b5f058cf1d ("net: fec: ptp: fix convergence issue to support LinuxPTP stack")
Signed-off-by: Csókás Bence <csokas.bence@prolan.hu>
Link:
https://lore.kernel.org/r/20220811101348.13755-1-csokas.bence@prolan.hu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/ethernet/freescale/fec_ptp.c
patch
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diff --git
a/drivers/net/ethernet/freescale/fec_ptp.c
b/drivers/net/ethernet/freescale/fec_ptp.c
index 7d49c28215f315de3b78f0355e7cdcf3c449cdbd..3dc3c0b626c21c23681782729ff3b0eb2bf09d6a 100644
(file)
--- a/
drivers/net/ethernet/freescale/fec_ptp.c
+++ b/
drivers/net/ethernet/freescale/fec_ptp.c
@@
-135,11
+135,7
@@
static int fec_ptp_enable_pps(struct fec_enet_private *fep, uint enable)
* NSEC_PER_SEC - ts.tv_nsec. Add the remaining nanoseconds
* to current timer would be next second.
*/
- tempval = readl(fep->hwp + FEC_ATIME_CTRL);
- tempval |= FEC_T_CTRL_CAPTURE;
- writel(tempval, fep->hwp + FEC_ATIME_CTRL);
-
- tempval = readl(fep->hwp + FEC_ATIME);
+ tempval = fep->cc.read(&fep->cc);
/* Convert the ptp local counter to 1588 timestamp */
ns = timecounter_cyc2time(&fep->tc, tempval);
ts = ns_to_timespec64(ns);