Author: mav
Date: Fri Sep 1 09:48:19 2017
New Revision: 323084
URL: https://svnweb.freebsd.org/changeset/base/323084
Log:
Link Interface has no Link Error registers.
MFC after: 13 days
Modified:
head/sys/dev/ntb/ntb_hw/ntb_hw_plx.c
Modified: head/sys/dev/ntb/ntb_hw/ntb_hw_plx.c
==============================================================================
--- head/sys/dev/ntb/ntb_hw/ntb_hw_plx.c Fri Sep 1 07:10:01 2017
(r323083)
+++ head/sys/dev/ntb/ntb_hw/ntb_hw_plx.c Fri Sep 1 09:48:19 2017
(r323084)
@@ -231,6 +231,9 @@ ntb_plx_isr(void *arg)
ntb_db_event((device_t)arg, 0);
+ if (sc->link) /* Link Interface has no Link Error registers. */
+ return;
+
val = NTX_READ(sc, 0xfe0);
if (val == 0)
return;
@@ -275,8 +278,11 @@ ntb_plx_setup_intr(device_t dev)
device_printf(dev, "bus_setup_intr failed: %d\n", error);
return (error);
}
- NTX_WRITE(sc, 0xfe0, 0xf); /* Clear link interrupts. */
- NTX_WRITE(sc, 0xfe4, 0x0); /* Unmask link interrupts. */
+
+ if (!sc->link) { /* Link Interface has no Link Error registers. */
+ NTX_WRITE(sc, 0xfe0, 0xf); /* Clear link interrupts. */
+ NTX_WRITE(sc, 0xfe4, 0x0); /* Unmask link interrupts. */
+ }
return (0);
}
@@ -285,7 +291,9 @@ ntb_plx_teardown_intr(device_t dev)
{
struct ntb_plx_softc *sc = device_get_softc(dev);
- NTX_WRITE(sc, 0xfe4, 0xf); /* Mask link interrupts. */
+ if (!sc->link) /* Link Interface has no Link Error registers. */
+ NTX_WRITE(sc, 0xfe4, 0xf); /* Mask link interrupts. */
+
if (sc->int_res) {
bus_teardown_intr(dev, sc->int_res, sc->int_tag);
bus_release_resource(dev, SYS_RES_IRQ, sc->int_rid,
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