Author: avg Date: Thu Oct 17 06:21:09 2019 New Revision: 353677 URL: https://svnweb.freebsd.org/changeset/base/353677
Log: wbwd: small clean-ups and improvements This change applies some suggestions by delphij from D21979. A write-only variable is removed. There is a diagnostic message if the driver does not recognize the chip. A chained if-statement is converted to a switch. MFC after: 3 weeks Modified: head/sys/dev/wbwd/wbwd.c Modified: head/sys/dev/wbwd/wbwd.c ============================================================================== --- head/sys/dev/wbwd/wbwd.c Thu Oct 17 05:50:57 2019 (r353676) +++ head/sys/dev/wbwd/wbwd.c Thu Oct 17 06:21:09 2019 (r353677) @@ -466,7 +466,7 @@ wb_probe(device_t dev) { char buf[128]; struct wb_softc *sc; - int found, j; + int j; uint8_t devid; uint8_t revid; @@ -478,7 +478,6 @@ wb_probe(device_t dev) sc = device_get_softc(dev); devid = superio_devid(dev) >> 8; revid = superio_revid(dev); - found = 0; for (j = 0; j < nitems(wb_devs); j++) { if (wb_devs[j].device_id == devid) { sc->chip = wb_devs[j].chip; @@ -489,6 +488,11 @@ wb_probe(device_t dev) return (BUS_PROBE_SPECIFIC); } } + if (bootverbose) { + device_printf(dev, + "unrecognized chip: devid 0x%02x, revid 0x%02x\n", + devid, revid); + } return (ENXIO); } @@ -504,20 +508,27 @@ wb_attach(device_t dev) sc = device_get_softc(dev); sc->dev = dev; - sc->ctl_reg = 0xf5; - sc->time_reg = 0xf6; - sc->csr_reg = 0xf7; - if (sc->chip == w83697hf || sc->chip == w83697ug) { + /* Make sure WDT is enabled. */ + superio_dev_enable(dev, WB_LDN8_CR30_ACTIVE); + + switch (sc->chip) { + case w83697hf: + case w83697ug: sc->ctl_reg = 0xf3; sc->time_reg = 0xf4; - } else if (sc->chip == nct6102) { + sc->csr_reg = 0xf7; + break; + case nct6102: sc->ctl_reg = 0xf0; sc->time_reg = 0xf1; sc->csr_reg = 0xf2; + break; + default: + sc->ctl_reg = 0xf5; + sc->time_reg = 0xf6; + sc->csr_reg = 0xf7; + break; } - - /* Make sure WDT is enabled. */ - superio_dev_enable(dev, WB_LDN8_CR30_ACTIVE); switch (sc->chip) { case w83627hf: _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"