The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2017
Filed:
Apr. 20, 2015
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Michael W. Murphy, Menlo Park, CA (US);
Joshua P. de Cesare, Campbell, CA (US);
Timothy R. Paaske, San Jose, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/24 (2006.01); G06F 1/32 (2006.01);
U.S. Cl.
CPC ...
G06F 13/24 (2013.01); G06F 1/3253 (2013.01); Y02B 60/1235 (2013.01);
Abstract
A method and system are described for reducing latency in a peripheral component interconnect express (PCIe) link between a host and an endpoint. In the described embodiments, an interrupt is issued from the endpoint to the host using the PCIe link. Then, while the interrupt is pending at the host, the PCIe link is prevented from entering a power-saving mode with an exit latency greater than a predetermined time period.