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[module] remove now deprecated uio support

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This commit is contained in:
Geoffrey McRae 2020-10-30 16:02:31 +11:00
parent 267fa6e389
commit fd2801a670
1 changed files with 1 additions and 32 deletions
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33
module/kvmfr.c
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@ -24,7 +24,6 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/uio_driver.h>
#include <linux/fs.h>
#include <linux/dma-buf.h>
#include <linux/highmem.h>
@ -53,7 +52,6 @@ static struct kvmfr_info *kvmfr;
struct kvmfr_dev
{
unsigned long size;
struct uio_info uio;
int minor;
dev_t devNo;
struct device * pDev;
@ -263,37 +261,14 @@ static int kvmfr_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
if (pci_request_regions(dev, KVMFR_DEV_NAME))
goto out_disable;
kdev->uio.mem[0].addr = pci_resource_start(dev, 2);
if (!kdev->uio.mem[0].addr)
goto out_release;
kdev->uio.mem[0].internal_addr = ioremap_wt(
pci_resource_start(dev, 2),
pci_resource_len (dev, 2)
);
if (!kdev->uio.mem[0].internal_addr)
goto out_release;
kdev->size = pci_resource_len(dev, 2);
kdev->uio.mem[0].size = pci_resource_len(dev, 2);
kdev->uio.mem[0].memtype = UIO_MEM_PHYS;
kdev->uio.name = KVMFR_UIO_NAME;
kdev->uio.version = KVMFR_UIO_VER;
kdev->uio.irq = 0;
kdev->uio.irq_flags = 0;
kdev->uio.handler = NULL;
if (uio_register_device(&dev->dev, &kdev->uio))
goto out_unmap;
mutex_lock(&minor_lock);
kdev->minor = idr_alloc(&kvmfr_idr, kdev, 0, KVMFR_MAX_DEVICES, GFP_KERNEL);
if (kdev->minor < 0)
{
mutex_unlock(&minor_lock);
goto out_unreg;
goto out_release;
}
mutex_unlock(&minor_lock);
@ -320,10 +295,6 @@ out_unminor:
mutex_lock(&minor_lock);
idr_remove(&kvmfr_idr, kdev->minor);
mutex_unlock(&minor_lock);
out_unreg:
uio_unregister_device(&kdev->uio);
out_unmap:
iounmap(kdev->uio.mem[0].internal_addr);
out_release:
pci_release_regions(dev);
out_disable:
@ -344,10 +315,8 @@ static void kvmfr_pci_remove(struct pci_dev *dev)
idr_remove(&kvmfr_idr, kdev->minor);
mutex_unlock(&minor_lock);
uio_unregister_device(&kdev->uio);
pci_release_regions(dev);
pci_disable_device(dev);
iounmap(kdev->uio.mem[0].internal_addr);
kfree(kdev);
}