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authorBruce Allan <bruce.w.allan@intel.com>2008-11-21 20:02:41 -0500
committerDavid S. Miller <davem@davemloft.net>2008-11-21 20:02:41 -0500
commite243455d345ef62751723671bc2605a2f6032ceb (patch)
tree7246784e849ca0471a4bf2bc69a960d6194a6af9 /Documentation/kernel-parameters.txt
parenta20e4cf9e6a37e40532593e00df153d01e317baf (diff)
e1000e: check return code from NVM accesses and fix bank detection
Check return code for all NVM accesses[1] and error out accordingly; log a debug message for failed accesses. For ICH8/9, the valid NVM bank detect function was not checking whether the SEC1VAL (sector 1 valid) bit in the EECD register was itself valid (bits 8 and 9 also have to be set). If invalid, it would have defaulted to the possibly invalid bank 0. Instead, try to use the valid bank detection method used by ICH10 which has been cleaned up a bit. [1] - reads and updates only; not writes because those are only writing to the Shadow RAM, the update following the write is the only thing actually writing the modified Shadow RAM contents to the NVM. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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