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Message-ID: <0835B3720019904CB8F7AA43166CEEB2526932@RTITMBSV03.realtek.com.tw> Date: Mon, 6 Oct 2014 03:06:07 +0000 From: Hayes Wang <hayeswang@...ltek.com> To: Francois Romieu <romieu@...zoreil.com>, Ceriel Jacobs <linux-ide@...shplan.pro> CC: nic_swsd <nic_swsd@...ltek.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org> Subject: RE: r8168 is needed to enter P-state: Package State 6 (pc6)onHaswell hardware Francois Romieu [mailto:romieu@...zoreil.com] > Sent: Monday, October 06, 2014 12:59 AM [...] > > With in-kernel r8169 module, only P-state package C3 (pc3) > > can be reached > > when enabling ASPM. > > > > Only after installing r8168 driver (and enabling ASPM), a > > Haswell Celeron > > G1820/G1840 processer will enter package C6 state (pc6). > > Vanilla kernel r8169 driver logs a message that contains an > "XID" string. > Please grep for it in your dmesg so that I can narrow the search for > meaningful differences in Realtek's r8168 driver. I don't sure if the following information is helpful. Besides, I remember the rtl_init_one() would disable it. http://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=d64ec841517a25f6d468bde9f67e5b4cffdc67c7 http://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=4521e1a94279ce610d3f9b7945c17d581f804242 Best Regards, Hayes -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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