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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2009-10-02 16:44:06 -0400
committerJohn W. Linville <linville@tuxdriver.com>2009-10-07 16:39:45 -0400
commitf41bb897f202d23a7d896c716002a3d6050b991e (patch)
treed33eb3f81dbe75652d6ae6d4963fef9e34dc7311 /crypto/tcrypt.c
parent1739d3322008fb95e88ad0530bcc057789107879 (diff)
iwlwifi: validate the signature for EEPROM and OTP
Both 1000 & 6000 series NICs contain on-chip OTP memory that replaces the off-chip EEPROM memory. The nature of OTP means there is a limited number of times a particular board can go through the factory flow and be (re)calibrated. As a consequence there will be some boards that contain EEPROM memory because OTP blocks were full. In the signature validation routine, iwlwifi needs to make sure "select bit" and "EEPROM/OTP signature" agree on the type of NVM to be used to configure the system. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'crypto/tcrypt.c')
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