Remove printk and use a more preferable error logging function.

Signed-off-by: Gary R Hook <gary.h...@amd.com>
---
 drivers/iommu/amd_iommu.c |   56 +++++++++++++++++++++++----------------------
 1 file changed, 29 insertions(+), 27 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index b58e0a745b7f..90a61f546bac 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -546,6 +546,8 @@ static void amd_iommu_report_page_fault(u16 devid, u16 
domain_id,
 
 static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
 {
+       struct pci_dev *pdev = iommu->dev;
+       struct device *dev = &pdev->dev;
        int type, devid, domid, flags;
        volatile u32 *event = __evt;
        int count = 0;
@@ -572,53 +574,53 @@ static void iommu_print_event(struct amd_iommu *iommu, 
void *__evt)
                amd_iommu_report_page_fault(devid, domid, address, flags);
                return;
        } else {
-               printk(KERN_ERR "AMD-Vi: Event logged [");
+               dev_err(dev, "AMD-Vi: Event logged [");
        }
 
        switch (type) {
        case EVENT_TYPE_ILL_DEV:
-               printk("ILLEGAL_DEV_TABLE_ENTRY device=%02x:%02x.%x "
-                      "address=0x%016llx flags=0x%04x]\n",
-                      PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
-                      address, flags);
+               dev_err(dev, "ILLEGAL_DEV_TABLE_ENTRY device=%02x:%02x.%x "
+                       "address=0x%016llx flags=0x%04x]\n",
+                       PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+                       address, flags);
                dump_dte_entry(devid);
                break;
        case EVENT_TYPE_DEV_TAB_ERR:
-               printk("DEV_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
-                      "address=0x%016llx flags=0x%04x]\n",
-                      PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
-                      address, flags);
+               dev_err(dev, "DEV_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
+                       "address=0x%016llx flags=0x%04x]\n",
+                       PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+                       address, flags);
                break;
        case EVENT_TYPE_PAGE_TAB_ERR:
-               printk("PAGE_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
-                      "domain=0x%04x address=0x%016llx flags=0x%04x]\n",
-                      PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
-                      domid, address, flags);
+               dev_err(dev, "PAGE_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
+                       "domain=0x%04x address=0x%016llx flags=0x%04x]\n",
+                       PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+                       domid, address, flags);
                break;
        case EVENT_TYPE_ILL_CMD:
-               printk("ILLEGAL_COMMAND_ERROR address=0x%016llx]\n", address);
+               dev_err(dev, "ILLEGAL_COMMAND_ERROR address=0x%016llx]\n", 
address);
                dump_command(address);
                break;
        case EVENT_TYPE_CMD_HARD_ERR:
-               printk("COMMAND_HARDWARE_ERROR address=0x%016llx "
-                      "flags=0x%04x]\n", address, flags);
+               dev_err(dev, "COMMAND_HARDWARE_ERROR address=0x%016llx "
+                       "flags=0x%04x]\n", address, flags);
                break;
        case EVENT_TYPE_IOTLB_INV_TO:
-               printk("IOTLB_INV_TIMEOUT device=%02x:%02x.%x "
-                      "address=0x%016llx]\n",
-                      PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
-                      address);
+               dev_err(dev, "IOTLB_INV_TIMEOUT device=%02x:%02x.%x "
+                       "address=0x%016llx]\n",
+                       PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+                       address);
                break;
        case EVENT_TYPE_INV_DEV_REQ:
-               printk("INVALID_DEVICE_REQUEST device=%02x:%02x.%x "
-                      "address=0x%016llx flags=0x%04x]\n",
-                      PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
-                      address, flags);
+               dev_err(dev, "INVALID_DEVICE_REQUEST device=%02x:%02x.%x "
+                       "address=0x%016llx flags=0x%04x]\n",
+                       PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+                       address, flags);
                break;
        default:
-               printk(KERN_ERR "UNKNOWN type=0x%02x event[0]=0x%08x "
-                      "event[1]=0x%08x event[2]=0x%08x event[3]=0x%08x\n",
-                      type, event[0], event[1], event[2], event[3]);
+               dev_err(dev, KERN_ERR "UNKNOWN event[0]=0x%08x event[1]=0x%08x "
+                       "event[2]=0x%08x event[3]=0x%08x\n",
+                       event[0], event[1], event[2], event[3]);
        }
 
        memset(__evt, 0, 4 * sizeof(u32));

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