[PATCH v6 10/14] sata: ahci-da850: add a workaround for controller instability

2017-01-23 Thread Bartosz Golaszewski
We have a use case with the da850 SATA controller where at PLL0 frequency of 456MHz (needed to properly service the LCD controller) the chip becomes unstable and the hardreset operation is ignored the first time 50% of times. The sata core driver already retries to resume the link because some

[PATCH v6 10/14] sata: ahci-da850: add a workaround for controller instability

2017-01-23 Thread Bartosz Golaszewski
We have a use case with the da850 SATA controller where at PLL0 frequency of 456MHz (needed to properly service the LCD controller) the chip becomes unstable and the hardreset operation is ignored the first time 50% of times. The sata core driver already retries to resume the link because some