John W. Linville d53cdbb94a ssb: do not read SPROM if it does not exist ... Attempting to read registers that don't exist on the SSB bus can cause hangs on some boxes. At least some b43 devices are 'in the wild' that don't have SPROMs at all. When the SSB bus support loads, it attempts to read these (non-existant) SPROMs and causes hard hangs on the box -- no console output, etc. This patch adds some intelligence to determine whether or not the SPROM is present before attempting to read it. This avoids those hard hangs on those devices with no SPROM attached to their SSB bus. The SSB-attached devices (e.g. b43, et al.) won't work, but at least the box will survive to test further patches. :-) Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: Michael Buesch <mb@bu3sch.de>		2010-04-26 13:50:54 -04:00
..
ssb_driver_chipcommon.h	ssb: do not read SPROM if it does not exist	2010-04-26 13:50:54 -04:00
ssb_driver_extif.h
ssb_driver_gige.h
ssb_driver_mips.h
ssb_driver_pci.h
ssb_embedded.h
ssb_regs.h	ssb: Implement the remaining rev.8 SPROM vars needed for LP-PHY	2009-08-14 09:14:02 -04:00
ssb.h	ssb: do not read SPROM if it does not exist	2010-04-26 13:50:54 -04:00