Date: Fri, 28 Aug 2015 10:34:38 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r287250 - head/sys/dev/mmc/host Message-ID: <201508281034.t7SAYcNG014196@repo.freebsd.org>
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Author: andrew Date: Fri Aug 28 10:34:37 2015 New Revision: 287250 URL: https://svnweb.freebsd.org/changeset/base/287250 Log: Only check for the bus frequency if it has not already been set, for example through a driver running as a subclass of this. Sponsored by: ABT Systems Ltd Modified: head/sys/dev/mmc/host/dwmmc.c Modified: head/sys/dev/mmc/host/dwmmc.c ============================================================================== --- head/sys/dev/mmc/host/dwmmc.c Fri Aug 28 09:38:18 2015 (r287249) +++ head/sys/dev/mmc/host/dwmmc.c Fri Aug 28 10:34:37 2015 (r287250) @@ -481,10 +481,12 @@ parse_fdt(struct dwmmc_softc *sc) * what the clock is supplied for our device. * For now rely on the value specified in FDT. */ - if ((len = OF_getproplen(node, "bus-frequency")) <= 0) - return (ENXIO); - OF_getencprop(node, "bus-frequency", dts_value, len); - sc->bus_hz = dts_value[0]; + if (sc->bus_hz == 0) { + if ((len = OF_getproplen(node, "bus-frequency")) <= 0) + return (ENXIO); + OF_getencprop(node, "bus-frequency", dts_value, len); + sc->bus_hz = dts_value[0]; + } /* * Platform-specific stuff
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