On March 11, 2016 10:02:14 PM GMT+07:00, Peter Hurley <peter@xxxxxxxxxxxxxxxxxx> wrote: >Hi Christopher, > >On 03/10/2016 10:35 PM, Christopher Covington wrote: >> Version 2 of the Server Base System Architecture (SBSAv2) describes >the >> Generic UART registers as 32 bits wide. At least one implementation, >found >> on the Qualcomm Technologies QDF2432, only supports 32 bit accesses. >> SBSAv3, which describes supported access sizes in greater detail, >> explicitly requires support for both 16 and 32 bit accesses to all >> registers (and 8 bit accesses to some but not all). Therefore, for >broad >> compatibility, simply use 32 bit accessors for the SBSA UART. > >So this eliminates the need to configure SBSA port via ACPI, correct? >Thus, Aleksey can drop his "serial: pl011: use SPCR to setup 32-bit >access"? Yes. Thanks, Christopher Covington -- Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project Sent from my Snapdragon powered Android device with K-9 Mail. Please excuse my brevity. -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
