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authorTakashi Iwai <tiwai@suse.de>2024-12-20 14:09:45 +0100
committerTakashi Iwai <tiwai@suse.de>2024-12-20 14:09:45 +0100
commit8cbd01ba9c38eb16f3a572300da486ac544519b7 (patch)
treee9a800bcb96bf8e937ddf0d420514dccbc6c1a75 /drivers/net/dsa/ocelot/felix_vsc9959.c
parent66a0a2b0473c39ae85c44628d14e4366fdc0aa0d (diff)
parent32c9c06adb5b157ef259233775a063a43746d699 (diff)
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Merge tag 'asoc-fix-v6.13-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.13 A mix of quirks and small fixes, nothing too major anywhere.
Diffstat (limited to 'drivers/net/dsa/ocelot/felix_vsc9959.c')
-rw-r--r--drivers/net/dsa/ocelot/felix_vsc9959.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index 0102a82e88cc..940f1b71226d 100644
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -24,7 +24,7 @@
#define VSC9959_NUM_PORTS 6
#define VSC9959_TAS_GCL_ENTRY_MAX 63
-#define VSC9959_TAS_MIN_GATE_LEN_NS 33
+#define VSC9959_TAS_MIN_GATE_LEN_NS 35
#define VSC9959_VCAP_POLICER_BASE 63
#define VSC9959_VCAP_POLICER_MAX 383
#define VSC9959_SWITCH_PCI_BAR 4
@@ -1056,11 +1056,15 @@ static void vsc9959_mdio_bus_free(struct ocelot *ocelot)
mdiobus_free(felix->imdio);
}
-/* The switch considers any frame (regardless of size) as eligible for
- * transmission if the traffic class gate is open for at least 33 ns.
+/* The switch considers any frame (regardless of size) as eligible
+ * for transmission if the traffic class gate is open for at least
+ * VSC9959_TAS_MIN_GATE_LEN_NS.
+ *
* Overruns are prevented by cropping an interval at the end of the gate time
- * slot for which egress scheduling is blocked, but we need to still keep 33 ns
- * available for one packet to be transmitted, otherwise the port tc will hang.
+ * slot for which egress scheduling is blocked, but we need to still keep
+ * VSC9959_TAS_MIN_GATE_LEN_NS available for one packet to be transmitted,
+ * otherwise the port tc will hang.
+ *
* This function returns the size of a gate interval that remains available for
* setting the guard band, after reserving the space for one egress frame.
*/
@@ -1303,7 +1307,8 @@ static void vsc9959_tas_guard_bands_update(struct ocelot *ocelot, int port)
* per-tc static guard band lengths, so it reduces the
* useful gate interval length. Therefore, be careful
* to calculate a guard band (and therefore max_sdu)
- * that still leaves 33 ns available in the time slot.
+ * that still leaves VSC9959_TAS_MIN_GATE_LEN_NS
+ * available in the time slot.
*/
max_sdu = div_u64(remaining_gate_len_ps, picos_per_byte);
/* A TC gate may be completely closed, which is a