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| author | Sudip Mukherjee <sudipm.mukherjee@gmail.com> | 2015-03-28 14:33:40 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-04-03 13:55:03 +0200 |
| commit | f30a746bec5507d9781e876626d4bba7f5ab0c8e (patch) | |
| tree | c1fc05dd00d7e5def777de938a6c3410b9628579 /drivers/staging | |
| parent | 63b8ebe44ab6bc812f849818250e49e9157c309c (diff) | |
| download | op-kernel-dev-f30a746bec5507d9781e876626d4bba7f5ab0c8e.zip op-kernel-dev-f30a746bec5507d9781e876626d4bba7f5ab0c8e.tar.gz | |
staging: sm7xxfb: reserve PCI resource
before starting to access any address inside the PCI region we should
reserve the resource and release the resource when the module exits.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/sm7xxfb/sm7xxfb.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/staging/sm7xxfb/sm7xxfb.c b/drivers/staging/sm7xxfb/sm7xxfb.c index 5b3e614..149286e 100644 --- a/drivers/staging/sm7xxfb/sm7xxfb.c +++ b/drivers/staging/sm7xxfb/sm7xxfb.c @@ -776,6 +776,12 @@ static int smtcfb_pci_probe(struct pci_dev *pdev, if (err) return err; + err = pci_request_region(pdev, 0, "sm7xxfb"); + if (err < 0) { + dev_err(&pdev->dev, "cannot reserve framebuffer region\n"); + goto failed_regions; + } + sprintf(smtcfb_fix.id, "sm%Xfb", ent->device); sfb = smtc_alloc_fb_info(pdev); @@ -905,6 +911,9 @@ failed_fb: smtc_free_fb_info(sfb); failed_free: + pci_release_region(pdev, 0); + +failed_regions: pci_disable_device(pdev); return err; @@ -933,6 +942,7 @@ static void smtcfb_pci_remove(struct pci_dev *pdev) smtc_unmap_mmio(sfb); unregister_framebuffer(&sfb->fb); smtc_free_fb_info(sfb); + pci_release_region(pdev, 0); } #ifdef CONFIG_PM |
