On Wednesday, February 17, 2016 01:20:58 PM Prashanth Prakash wrote: > Changes in V4: > [1] Added another patch which decides if or when to send a request to the > platform based on the Minimum Request Turnaround Time(MRTT) and Maximum > Periodic Access Rate(MPAR) to make sure the implementation is compliant > to ACPI spec > [2] Fixed the condition for pr_debug message in cppc_chan_tx_done() > > Changes in V3: Addressed the review comments from Alexey, Ashwin and Timur > > Changes in V2: Fixed compilation error on i386 > > This series introduces changes to reduce the time required to send a frequency > transition requests to the platform while using the cppc-cpufreq driver. > > With these changes we see significant improvement in the average time to send > freq. transition request to the platform. Profiling on an ARM platform showed > that the average transaction time per request reduced from 200us to under 20us. > > Ashwin Chaugule (1): > ACPI / CPPC: Optimize PCC Read Write operations > > Prashanth Prakash (4): > acpi: cppc: optimized cpc_read and cpc_write > mailbox: pcc: optimized pcc_send_data > acpi: cppc: replace writeX/readX to PCC with relaxed version > acpi/cppc: use MRTT/MPAR to decide if/when a req can be sent > > drivers/acpi/cppc_acpi.c | 237 ++++++++++++++++++++++++++++++++++++++--------- > drivers/mailbox/pcc.c | 111 ++++++++++++++++++++-- > 2 files changed, 295 insertions(+), 53 deletions(-) All applied (with minor modifications of subjects and similar). Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
