FreeBSD Bugzilla – Attachment 154010 Details for
Bug 197143
[wpi] [patch]: sync with iwn / OpenBSD wpi
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[patch]
Fix panics in wpi_tx_done() when powersave is enabled
patch-wpi8.diff (text/plain), 810 bytes, created by
Andriy Voskoboinyk
on 2015-03-08 12:31:38 UTC
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Description:
Fix panics in wpi_tx_done() when powersave is enabled
Filename:
MIME Type:
Creator:
Andriy Voskoboinyk
Created:
2015-03-08 12:31:38 UTC
Size:
810 bytes
patch
obsolete
>Index: sys/dev/wpi/if_wpi.c >=================================================================== >--- sys/dev/wpi/if_wpi.c (revision 279775) >+++ sys/dev/wpi/if_wpi.c (working copy) >@@ -1024,6 +1024,11 @@ > { > struct wpi_rx_ring *ring = &sc->rxq; > >+ if (ring->update != 0) { >+ /* Wait for INT_WAKEUP event. */ >+ return; >+ } >+ > if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { > DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", > __func__); >@@ -1179,6 +1184,11 @@ > static void > wpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) > { >+ if (ring->update != 0) { >+ /* Wait for INT_WAKEUP event. */ >+ return; >+ } >+ > if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { > DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", > __func__, ring->qid);
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