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authorBjorn Helgaas <bhelgaas@google.com>2023-03-07 13:26:54 -0600
committerVinod Koul <vkoul@kernel.org>2023-03-17 23:16:47 +0530
commite32622f84ae289dc7a04e9f01cd62cb914fdc5c6 (patch)
treed5ddca53c02c2ed9174d18ff591ee3994379858c /drivers/dma
parent8f6707d0773be31972768abd6e0bf7b8515b5b1a (diff)
dmaengine: ioat: Drop redundant pci_enable_pcie_error_reporting()
pci_enable_pcie_error_reporting() enables the device to send ERR_* Messages. Since f26e58bf6f54 ("PCI/AER: Enable error reporting when AER is native"), the PCI core does this for all devices during enumeration, so the driver doesn't need to do it itself. Remove the redundant pci_enable_pcie_error_reporting() call from the driver. Also remove the corresponding pci_disable_pcie_error_reporting() from the driver .remove() path. Note that this only controls ERR_* Messages from the device. An ERR_* Message may cause the Root Port to generate an interrupt, depending on the AER Root Error Command register managed by the AER service driver. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/20230307192655.874008-2-helgaas@kernel.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/ioat/init.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
index fa7c0f9aa61d..c4602bfc9c74 100644
--- a/drivers/dma/ioat/init.c
+++ b/drivers/dma/ioat/init.c
@@ -15,7 +15,6 @@
#include <linux/workqueue.h>
#include <linux/prefetch.h>
#include <linux/dca.h>
-#include <linux/aer.h>
#include <linux/sizes.h>
#include "dma.h"
#include "registers.h"
@@ -1380,15 +1379,11 @@ static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (is_skx_ioat(pdev))
device->version = IOAT_VER_3_2;
err = ioat3_dma_probe(device, ioat_dca_enabled);
-
- if (device->version >= IOAT_VER_3_3)
- pci_enable_pcie_error_reporting(pdev);
} else
return -ENODEV;
if (err) {
dev_err(dev, "Intel(R) I/OAT DMA Engine init failed\n");
- pci_disable_pcie_error_reporting(pdev);
return -ENODEV;
}
@@ -1411,7 +1406,6 @@ static void ioat_remove(struct pci_dev *pdev)
device->dca = NULL;
}
- pci_disable_pcie_error_reporting(pdev);
ioat_dma_remove(device);
}