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Wireless Broadcom chips can have either their SPROM data stored on either external SPROM or on-chip OTP memory. Both are accessed through the same register space. This patch adds support for the on-chip OTP memory. Tested with: BCM43224 OTP and SPROM BCM4331 SPROM BCM4313 OTP This patch is in response to linux-wireless thread [1]. [1] http://article.gmane.org/gmane.linux.kernel.wireless.general/85426 Tested-by: Saul St. John <[email protected]> Tested-by: Rafal Milecki <[email protected]> Tested-by: Hauke Mehrtens <[email protected]> Cc: Larry Finger <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: John W. Linville <[email protected]>