diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2018-10-29 15:52:42 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2019-01-06 21:26:21 -0800 |
| commit | 89ec9f2cfa36cc5fca2fb445ed221bb9add7b536 (patch) | |
| tree | 1306755d2ecae784ddee3df710c16c4cfeaff771 /drivers/dax/bus.c | |
| parent | 9567da0b408a2553d32ca83cba4f1fc5a8aad459 (diff) | |
| download | lwn-89ec9f2cfa36cc5fca2fb445ed221bb9add7b536.tar.gz lwn-89ec9f2cfa36cc5fca2fb445ed221bb9add7b536.zip | |
device-dax: Move resource pinning+mapping into the common driver
Move the responsibility of calling devm_request_resource() and
devm_memremap_pages() into the common device-dax driver. This is another
preparatory step to allowing an alternate personality driver for a
device-dax range.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dax/bus.c')
| -rw-r--r-- | drivers/dax/bus.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c index 0cff32102c4c..69aae2cbd45f 100644 --- a/drivers/dax/bus.c +++ b/drivers/dax/bus.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2017-2018 Intel Corporation. All rights reserved. */ +#include <linux/memremap.h> #include <linux/device.h> #include <linux/slab.h> #include <linux/dax.h> @@ -206,7 +207,8 @@ static void unregister_dev_dax(void *dev) put_device(dev); } -struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region, int id) +struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region, int id, + struct dev_pagemap *pgmap) { struct device *parent = dax_region->dev; struct dax_device *dax_dev; @@ -222,6 +224,8 @@ struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region, int id) if (!dev_dax) return ERR_PTR(-ENOMEM); + memcpy(&dev_dax->pgmap, pgmap, sizeof(*pgmap)); + /* * No 'host' or dax_operations since there is no access to this * device outside of mmap of the resulting character device. |