From: Damien Le Moal <dlemoal@kernel.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Niklas Cassel <Niklas.Cassel@wdc.com>,
Frank Li <Frank.li@nxp.com>, Vidya Sagar <vidyas@nvidia.com>,
"helgaas@kernel.org" <helgaas@kernel.org>,
"kishon@ti.com" <kishon@ti.com>,
"lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
"kw@linux.com" <kw@linux.com>,
"jingoohan1@gmail.com" <jingoohan1@gmail.com>,
"gustavo.pimentel@synopsys.com" <gustavo.pimentel@synopsys.com>,
"lznuaa@gmail.com" <lznuaa@gmail.com>,
"hongxing.zhu@nxp.com" <hongxing.zhu@nxp.com>,
"jdmason@kudzu.us" <jdmason@kudzu.us>,
"dave.jiang@intel.com" <dave.jiang@intel.com>,
"allenbh@gmail.com" <allenbh@gmail.com>,
"linux-ntb@googlegroups.com" <linux-ntb@googlegroups.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>
Subject: Re: [PATCH v2 1/4] PCI: designware-ep: Allow pci_epc_set_bar() update inbound map address
Date: Wed, 20 Dec 2023 16:06:27 +0900 [thread overview]
Message-ID: <62e520d2-4327-461f-95a2-602f0800ebc6@kernel.org> (raw)
In-Reply-To: <20231220060357.GA3544@thinkpad>
On 12/20/23 15:03, Manivannan Sadhasivam wrote:
>> We have core_init and link_up notifiers for EPF drivers. Adding link_down and
>> core_exit notifiers would make a lot of sense :) A core_reset notifier could
>> also be a solution.
>>
>
> Yeah, I'm thinking along those lines.
>
>> Adding that would also help EPF drivers to handle links going down temporarily
>> (which can happen). Right now, an EPF driver can only deal with such event by
>> tracking if it gets multiple link_up events.
>>
>
> There is already link_down notifier that I introduced a while back. But it is
> only used by MHI_EPF driver.
I missed that. I need that notifier :)
--
Damien Le Moal
Western Digital Research
next prev parent reply other threads:[~2023-12-20 7:06 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-22 16:23 [PATCH V2 0/4] NTB function for PCIe RC to EP connection Frank Li
2022-02-22 16:23 ` [PATCH v2 1/4] PCI: designware-ep: Allow pci_epc_set_bar() update inbound map address Frank Li
2023-12-14 14:31 ` Niklas Cassel
2023-12-14 15:19 ` Frank Li
2023-12-14 20:23 ` Niklas Cassel
2023-12-14 20:52 ` Frank Li
2023-12-14 21:28 ` Frank Li
2023-12-16 10:11 ` Niklas Cassel
2023-12-19 17:59 ` Manivannan Sadhasivam
2023-12-20 5:14 ` Damien Le Moal
2023-12-20 6:03 ` Manivannan Sadhasivam
2023-12-20 7:06 ` Damien Le Moal [this message]
2023-12-14 21:39 ` Niklas Cassel
2022-02-22 16:23 ` [PATCH v2 2/4] NTB: epf: Allow more flexibility in the memory BAR map method Frank Li
2022-03-10 22:08 ` Zhi Li
2022-02-22 16:23 ` [PATCH v2 3/4] PCI: endpoint: Support NTB transfer between RC and EP Frank Li
2022-03-10 22:09 ` Zhi Li
2022-12-14 0:08 ` Bjorn Helgaas
[not found] ` <CAHrpEqSGySHDET3YPu3czzoMBmCRJsgGgU4s3GWWbtruFLVHaA@mail.gmail.com>
2022-12-14 0:28 ` Bjorn Helgaas
2022-12-14 0:47 ` [EXT] " Frank Li
2022-02-22 16:23 ` [PATCH v2 4/4] Documentation: PCI: Add specification for the PCI vNTB function device Frank Li
2022-03-10 22:01 ` [PATCH V2 0/4] NTB function for PCIe RC to EP connection Zhi Li
2022-03-10 22:07 ` Zhi Li
2022-04-04 20:12 ` Zhi Li
2022-04-05 10:34 ` Kishon Vijay Abraham I
2022-04-05 15:35 ` Zhi Li
2022-04-20 20:22 ` Zhi Li
2022-04-22 15:15 ` Kishon Vijay Abraham I
2022-04-22 15:36 ` Zhi Li
2022-08-12 14:02 ` Jon Mason
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