linux-kernel - Re: [PATCH v3 0/6] Introduce pci_(request|release)_(mem|io)

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Date:	Wed, 8 Jun 2016 09:28:54 +0200
From:	Johannes Thumshirn <jthumshirn@...e.de>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>,
	Keith Busch <keith.busch@...el.com>, Jens Axboe <axboe@...com>,
	linux-nvme@...ts.infradead.org,
	James Smart <james.smart@...gotech.com>,
	Dick Kennedy <dick.kennedy@...gotech.com>,
	"James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	linux-scsi@...r.kernel.org,
	Frank Haverkamp <haver@...ux.vnet.ibm.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jay Cliburn <jcliburn@...il.com>,
	Chris Snook <chris.snook@...il.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	intel-wired-lan@...ts.osuosl.org
Subject: Re: [PATCH v3 0/6] Introduce pci_(request|release)_(mem|io)_regions

On Tue, Jun 07, 2016 at 09:44:00AM +0200, Johannes Thumshirn wrote:
> The first patch in this series introduces the following 4 helper functions to
> the PCI core:
> 
> * pci_request_mem_regions()
> * pci_request_io_regions()
> * pci_release_mem_regions()
> * pci_release_io_regions()
> 
> which encapsulate the request and release of a PCI device's memory or I/O
> bars.
> 
> The subsequent patches convert the drivers, which use the
> pci_request_selected_regions(pdev, 
> 	pci_select_bars(pdev, IORESOURCE_MEM), name); 
> and similar pattern to use the new interface.
> 
> This was suggested by Christoph Hellwig in
> http://lists.infradead.org/pipermail/linux-nvme/2016-May/004570.html and
> tested on kernel v4.6 with NVMe.
> 

Btw, as I've seen already Jeff applying the Intel Ethernet patch to his
tree, I think this should go via the PCI tree as the build dependency is
the PCI patch.

Thanks,
	Johannes
-- 
Johannes Thumshirn                                          Storage
jthumshirn@...e.de                                +49 911 74053 689
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