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authorSrikanth Jampala <Jampala.Srikanth@cavium.com>2018-09-29 13:49:08 +0530
committerHerbert Xu <herbert@gondor.apana.org.au>2018-10-05 10:22:48 +0800
commit0b501e7a4fdc01b14930345b95c39b93f6472431 (patch)
treef99c695566ded633cddcee26711741fc42d3487c /drivers/crypto/cavium
parent80e73c8ad6e923a9839ba45f820b1346aafc793a (diff)
downloadlinux-0b501e7a4fdc01b14930345b95c39b93f6472431.tar.gz
crypto: cavium/nitrox - use pcie_flr instead of duplicating it
check the flr capability using pcie_has_flr() and do the flr. Signed-off-by: Srikanth Jampala <Jampala.Srikanth@cavium.com> Reviewed-by: Gadam Sreerama <sgadam@cavium.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/cavium')
-rw-r--r--drivers/crypto/cavium/nitrox/nitrox_main.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_main.c b/drivers/crypto/cavium/nitrox/nitrox_main.c
index 5bd97cff1405..13436ca98cb5 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_main.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_main.c
@@ -217,7 +217,7 @@ void nitrox_put_device(struct nitrox_device *ndev)
smp_mb__after_atomic();
}
-static int nitrox_reset_device(struct pci_dev *pdev)
+static int nitrox_device_flr(struct pci_dev *pdev)
{
int pos = 0;
@@ -227,15 +227,10 @@ static int nitrox_reset_device(struct pci_dev *pdev)
return -ENOMEM;
}
- pos = pci_pcie_cap(pdev);
- if (!pos)
- return -ENOTTY;
+ /* check flr support */
+ if (pcie_has_flr(pdev))
+ pcie_flr(pdev);
- if (!pci_wait_for_pending_transaction(pdev))
- dev_err(&pdev->dev, "waiting for pending transaction\n");
-
- pcie_capability_set_word(pdev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_BCR_FLR);
- msleep(100);
pci_restore_state(pdev);
return 0;
@@ -345,7 +340,7 @@ static int nitrox_probe(struct pci_dev *pdev,
return err;
/* do FLR */
- err = nitrox_reset_device(pdev);
+ err = nitrox_device_flr(pdev);
if (err) {
dev_err(&pdev->dev, "FLR failed\n");
pci_disable_device(pdev);