[PATCH] nvme: Use pci_iomap instead of ioremap

[Christoph Hellwig]

On Thu, Jan 27, 2022 at 06:35:41PM +0530, Pankaj Raghav wrote:
> On Wed, Jan 26, 2022 at 05:33:06PM +0100, Christoph Hellwig wrote:
> > pci_iomap goes with the ioread/iowrite accessors which we absolutely
> > do not want in nvme.
> Is it because of ioread/iowrite has a conditional check everytime we do
> a read/write with IO_COND? Or is there any other reason?

Yes, ioread* and iowrite* are more expensive.  And nvme doesn't support
port I/O anyway so there is no point.