Author: wma Date: Wed Jan 25 10:28:21 2017 New Revision: 312745 URL: https://svnweb.freebsd.org/changeset/base/312745
Log: Expand OpenFirmware API with ofw_bus_node_status_okay method Method could be used before we can access device_t structure. As per simple phandle_t handle we can access FDT to check if specified node has been enabled. It will be used in Marvell's common configuration code. Submitted by: Konrad Adamczyk <k...@semihalf.com> Obtained from: Semihalf Sponsored by: Stormshield Reviewed by: zbb, meloun-miracle-cz Differential revision: https://reviews.freebsd.org/D9218 Modified: head/sys/dev/ofw/ofw_bus_subr.c head/sys/dev/ofw/ofw_bus_subr.h Modified: head/sys/dev/ofw/ofw_bus_subr.c ============================================================================== --- head/sys/dev/ofw/ofw_bus_subr.c Wed Jan 25 10:25:59 2017 (r312744) +++ head/sys/dev/ofw/ofw_bus_subr.c Wed Jan 25 10:28:21 2017 (r312745) @@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$"); #include "ofw_bus_if.h" #define OFW_COMPAT_LEN 255 +#define OFW_STATUS_LEN 16 int ofw_bus_gen_setup_devinfo(struct ofw_bus_devinfo *obd, phandle_t node) @@ -179,6 +180,24 @@ ofw_bus_status_okay(device_t dev) return (0); } +int +ofw_bus_node_status_okay(phandle_t node) +{ + char status[OFW_STATUS_LEN]; + int len; + + len = OF_getproplen(node, "status"); + if (len <= 0) + return (1); + + OF_getprop(node, "status", status, OFW_STATUS_LEN); + if ((len == 5 && (bcmp(status, "okay", len) == 0)) || + (len == 3 && (bcmp(status, "ok", len)))) + return (1); + + return (0); +} + static int ofw_bus_node_is_compatible_int(const char *compat, int len, const char *onecompat) Modified: head/sys/dev/ofw/ofw_bus_subr.h ============================================================================== --- head/sys/dev/ofw/ofw_bus_subr.h Wed Jan 25 10:25:59 2017 (r312744) +++ head/sys/dev/ofw/ofw_bus_subr.h Wed Jan 25 10:28:21 2017 (r312745) @@ -100,6 +100,7 @@ int ofw_bus_intr_by_rid(device_t, phandl /* Helper to get device status property */ const char *ofw_bus_get_status(device_t dev); int ofw_bus_status_okay(device_t dev); +int ofw_bus_node_status_okay(phandle_t node); /* Helper to get node's interrupt parent */ phandle_t ofw_bus_find_iparent(phandle_t); _______________________________________________ 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"
