From: Andrew Lunn <andrew@lunn.ch>
To: Murali Karicheri <m-karicheri2@ti.com>
Cc: robh+dt@kernel.org, mark.rutland@arm.com, ssantosh@kernel.org,
malat@debian.org, w-kwok2@ti.com, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, davem@davemloft.net,
netdev@vger.kernel.org
Subject: Re: [net-next PATCH 2/5] soc: ti: K2G: provide APIs to support driver probe deferral
Date: Mon, 26 Mar 2018 22:48:02 +0200 [thread overview]
Message-ID: <20180326204802.GC5862@lunn.ch> (raw)
In-Reply-To: <1522095312-23249-3-git-send-email-m-karicheri2@ti.com>
On Mon, Mar 26, 2018 at 04:15:09PM -0400, Murali Karicheri wrote:
> This patch provide APIs to allow client drivers to support
> probe deferral. On K2G SoC, devices can be probed only
> after the ti_sci_pm_domains driver is probed and ready.
> As drivers may get probed at different order, any driver
> that depends on knav dma and qmss drivers, for example
> netcp network driver, needs to defer probe until
> knav devices are probed and ready to service. To do this,
> add an API to query the device ready status from the knav
> dma and qmss devices.
Hi Murali
Shouldn't you really re-write this to be a dma driver? You would then
do something like of_dma_request_slave_channel() in the ethernet
driver probe function. That probably correctly returns EPROBE_DEFER.
Andrew
next prev parent reply other threads:[~2018-03-26 20:48 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-26 20:15 [net-next PATCH 0/5] Add support for netcp driver on K2G SoC Murali Karicheri
2018-03-26 20:15 ` [net-next PATCH 1/5] soc: ti: K2G: enhancement to support QMSS in NSS Murali Karicheri
2018-03-26 20:15 ` [net-next PATCH 2/5] soc: ti: K2G: provide APIs to support driver probe deferral Murali Karicheri
2018-03-26 20:48 ` Andrew Lunn [this message]
2018-03-27 13:32 ` Murali Karicheri
2018-03-27 14:03 ` Andrew Lunn
2018-03-27 14:31 ` Murali Karicheri
2018-03-26 20:15 ` [net-next PATCH 3/5] net: netcp: ethss enhancements to support 2u cpsw h/w on K2G SoC Murali Karicheri
2018-03-26 20:28 ` Andrew Lunn
2018-03-27 13:23 ` Murali Karicheri
2018-03-27 13:47 ` Andrew Lunn
2018-03-26 20:15 ` [net-next PATCH 4/5] Revert "net: netcp: remove dead code from the driver" Murali Karicheri
2018-03-26 20:15 ` [net-next PATCH 5/5] net: netcp: support probe deferral Murali Karicheri
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