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e9a5477506
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12 Commits

Author SHA1 Message Date
Gregory Nutt
e9a5477506 Add an instance argument to the SPIDEV definitions. 2017-04-29 12:26:52 -06:00
Jussi Kivilinna
dffb8a67e3 Add entropy pool and strong random number generator 
Entropy pool gathers environmental noise from device drivers, user-space, etc., and returns good random numbers, suitable for cryptographic use. Based on entropy pool design from *BSDs and uses BLAKE2Xs algorithm for CSPRNG output.

Patch also adds /dev/urandom support for using entropy pool RNG and new 'getrandom' system call for getting randomness without file-descriptor usage (thus avoiding file-descriptor exhaustion attacks). The 'getrandom' interface is similar as 'getentropy' and 'getrandom' available on OpenBSD and Linux respectively.
 2017-03-30 07:38:37 -06:00
Gregory Nutt
0c8c7fecf0 Add _ to the beginning of all debug macros to avoid name collisions 2016-06-16 12:33:32 -06:00
Gregory Nutt
27bc1a2221 drivers/sensors: Change some *err() message to *info() messages if what was a *dbg() message does not indicate and error condition. 2016-06-11 18:21:49 -06:00
Gregory Nutt
a1469a3e95 Add CONFIG_DEBUG_ERROR. Change names of *dbg() * *err() 2016-06-11 15:50:49 -06:00
Gregory Nutt
7edf921c5e Remove CONFIG_SPI_OWNBUS: Now it is not just a good idea, it is the law 2016-01-23 18:54:36 -06:00
Gregory Nutt
f6e49caba8 All SPI-based device drivers needs to call SPI_HWFEATURES() with zero in order to co-exist with drivers that use H/W features 2016-01-23 16:18:13 -06:00
Gregory Nutt
cf14f8d1b5 drivers/: Fixes to spacing and alignement 2015-10-10 10:41:00 -06:00
Paul A. Patience
65792c5dbc Added forward declarations of structures to fix header inclusion 
order bugs.
Removed an unused variable.
Added debug asserts to check for invalid I2C addresses.
 2015-08-10 16:18:37 -04:00
Gregory Nutt
63ac1ec423 Cosmetic updates to comments 2015-02-12 13:44:22 -06:00
Gregory Nutt
38aa31dea2 Update ChangeLog 2015-02-12 12:21:05 -06:00
Gregory Nutt
fd6d299788 Add driver for the Feescale MPL115A baramoter. From Alan Carvalho de Assis 2015-02-12 12:18:43 -06:00