| Commit message (Collapse) | Author | Age | |
|---|---|---|---|
| * | e1000e: workaround DMA unit hang on I218 | Bruce Allan | 2013-03-05 |
| | | | | | | | | | | | | | | | | | | | At 1000Mbps link speed, one of the MAC's internal clocks can be stopped for up to 4us when entering K1 (a power mode of the MAC-PHY interconnect). If the MAC is waiting for completion indications for 2 DMA write requests into Host memory (e.g. descriptor writeback or Rx packet writing) and the indications occur while the clock is stopped, both indications will be missed by the MAC causing the MAC to wait for the completion indications and be unable to generate further DMA write requests. This results in an apparent hardware hang. Work-around the issue by disabling the de-assertion of the clock request when 1000Mbps link is acquired (K1 must be disabled while doing this). Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> | ||
| * | e1000e: cosmetic move of #defines and prototypes to the new ich8lan.h | Bruce Allan | 2013-02-05 |
| Move #defines and function prototypes specific to the ICH/PCH family of devices (ICH8/82562, ICH8/82566, ICH8/82567, ICH9/82562, ICH9/82566, ICH9/82567, ICH10/82567, 82577, 82578, 82579, I217, I218) to the new ich8lan.h header file (the convention for Intel wired ethernet drivers is to use the name of the first device in the family for related file and function names). These defines and function prototypes can be used by other files in the driver and moving them to the ICH/PCH-family-specific file makes it clearer to which devices they are applicable. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> | |||
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| The LITMUS^RT kernel. | Bjoern Brandenburg |
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