From mboxrd@z Thu Jan 1 00:00:00 1970 From: okaya@codeaurora.org (Sinan Kaya) Date: Wed, 1 Mar 2017 12:58:08 -0500 Subject: [PATCH V2] PCI/ASPM: reconfigure ASPM following hotplug for POLICY_DEFAULT In-Reply-To: <92EBB4272BF81E4089A7126EC1E7B28466668774@IRSMSX101.ger.corp.intel.com> References: <1485891928-14573-1-git-send-email-okaya@codeaurora.org> <92EBB4272BF81E4089A7126EC1E7B2846666830C@IRSMSX101.ger.corp.intel.com> <92EBB4272BF81E4089A7126EC1E7B28466668774@IRSMSX101.ger.corp.intel.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Bjorn, On 2/28/2017 1:57 PM, Patel, Mayurkumar wrote: >> I was trying to figure out when to use saved values vs. the values in >> registers by looking at the enable_cnt. >> enable_cnt is 0 during boot on my system. > enable_cnt for the root port on my system is set to 1 for "root port" already without saving > any ASPM related settings. > > What would be the best way to figure out when to save power-on values from the registers? -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.