Author: adrian Date: Wed Feb 8 06:54:08 2017 New Revision: 313416 URL: https://svnweb.freebsd.org/changeset/base/313416
Log: [iwm] Only for family 7000 power-down busmaster DMA clocks when stopping. Taken-From: Linux iwlwifi Obtained from: DragonflyBSD commit 4c45994fcc77373ae2fb0901db15368c9731f641 Modified: head/sys/dev/iwm/if_iwm.c Modified: head/sys/dev/iwm/if_iwm.c ============================================================================== --- head/sys/dev/iwm/if_iwm.c Wed Feb 8 06:53:23 2017 (r313415) +++ head/sys/dev/iwm/if_iwm.c Wed Feb 8 06:54:08 2017 (r313416) @@ -1401,11 +1401,12 @@ iwm_stop_device(struct iwm_softc *sc) for (qid = 0; qid < nitems(sc->txq); qid++) iwm_reset_tx_ring(sc, &sc->txq[qid]); - /* - * Power-down device's busmaster DMA clocks - */ - iwm_write_prph(sc, IWM_APMG_CLK_DIS_REG, IWM_APMG_CLK_VAL_DMA_CLK_RQT); - DELAY(5); + if (sc->cfg->device_family == IWM_DEVICE_FAMILY_7000) { + /* Power-down device's busmaster DMA clocks */ + iwm_write_prph(sc, IWM_APMG_CLK_DIS_REG, + IWM_APMG_CLK_VAL_DMA_CLK_RQT); + DELAY(5); + } /* Make sure (redundant) we've released our request to stay awake */ IWM_CLRBITS(sc, IWM_CSR_GP_CNTRL, _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"