kernel: delete Linux 5.4 config and patches

[openwrt/staging/chunkeey.git] / target / linux / layerscape / patches-5.4 / 701-net-0404-LF-457-ocelot-tsn-clean-preempt-interrupt-status.patch

diff --git a/target/linux/layerscape/patches-5.4/701-net-0404-LF-457-ocelot-tsn-clean-preempt-interrupt-status.patch b/target/linux/layerscape/patches-5.4/701-net-0404-LF-457-ocelot-tsn-clean-preempt-interrupt-status.patch
deleted file mode 100644 (file)
index 96897b5..0000000
--- a/target/linux/layerscape/patches-5.4/701-net-0404-LF-457-ocelot-tsn-clean-preempt-interrupt-status.patch
+++ /dev/null
@@ -1,61 +0,0 @@
-From 5d246e343440ee4915109dac66543d02d71ca900 Mon Sep 17 00:00:00 2001
-From: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
-Date: Tue, 11 Feb 2020 15:33:46 +0800
-Subject: [PATCH] LF-457: ocelot: tsn: clean preempt interrupt status
-
-The INTB interrupt is used both for 1588 interrupt and preemption status
-change interrupt on each port. So clean preempt status interrupt in IRQ
-handle function. Without handling it, driver may get interrupt storm.
-
-Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
-Reviewed-by: Po Liu <Po.Liu@nxp.com>
----
- drivers/net/dsa/ocelot/felix.c         |  5 +----
- drivers/net/ethernet/mscc/ocelot_tsn.c | 14 ++++++++++++++
- include/soc/mscc/ocelot.h              |  1 +
- 3 files changed, 16 insertions(+), 4 deletions(-)
-
---- a/drivers/net/dsa/ocelot/felix.c
-+++ b/drivers/net/dsa/ocelot/felix.c
-@@ -688,12 +688,9 @@ static irqreturn_t felix_irq_handler(int
- 
-       /* The INTB interrupt is used for both PTP TX timestamp interrupt
-        * and preemption status change interrupt on each port.
--       *
--       * - Get txtstamp if have
--       * - TODO: handle preemption. Without handling it, driver may get
--       *   interrupt storm.
-        */
- 
-+      ocelot_preempt_irq_clean(ocelot);
-       ocelot_get_txtstamp(ocelot);
- 
-       return IRQ_HANDLED;
---- a/drivers/net/ethernet/mscc/ocelot_tsn.c
-+++ b/drivers/net/ethernet/mscc/ocelot_tsn.c
-@@ -1570,3 +1570,17 @@ int ocelot_dscp_set(struct ocelot *ocelo
- 
-       return 0;
- }
-+
-+void ocelot_preempt_irq_clean(struct ocelot *ocelot)
-+{
-+      struct ocelot_port *ocelot_port;
-+      int port;
-+      u32 val;
-+
-+      val = DEV_GMII_MM_STATISTICS_MM_STATUS_PRMPT_ACTIVE_STICKY;
-+      for (port = 0; port < ocelot->num_phys_ports; port++) {
-+              ocelot_port = ocelot->ports[port];
-+              ocelot_port_rmwl(ocelot_port, val, val,
-+                               DEV_GMII_MM_STATISTICS_MM_STATUS);
-+      }
-+}
---- a/include/soc/mscc/ocelot.h
-+++ b/include/soc/mscc/ocelot.h
-@@ -592,4 +592,5 @@ int ocelot_rtag_parse_enable(struct ocel
- int ocelot_dscp_set(struct ocelot *ocelot, int port,
-                   bool enable, const u8 dscp_ix,
-                   struct tsn_qos_switch_dscp_conf *c);
-+void ocelot_preempt_irq_clean(struct ocelot *ocelot);
- #endif