PCI/DPC: Squash dpc_rp_pio_print_error() into dpc_rp_pio_get_info()
authorBjorn Helgaas <bhelgaas@google.com>
Tue, 30 Jan 2018 18:12:38 +0000 (12:12 -0600)
committerBjorn Helgaas <helgaas@kernel.org>
Tue, 30 Jan 2018 21:26:01 +0000 (15:26 -0600)
Separating dpc_rp_pio_print_error() doesn't really provide any useful
abstraction, so squash it into its caller, dpc_rp_pio_get_info().  No
functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sinan Kaya <okaya@codeaurora.org>
drivers/pci/pcie/pcie-dpc.c

index fede1d4bc7b9a9a9e15bbdc5bf131f6cb7dae953..fb7ddbe968110be5eb483b7a162b49a1c1ce1b20 100644 (file)
@@ -142,53 +142,21 @@ static void dpc_work(struct work_struct *work)
                              ctl | PCI_EXP_DPC_CTL_INT_EN);
 }
 
-static void dpc_rp_pio_print_error(struct dpc_dev *dpc,
-                                  struct dpc_rp_pio_regs *rp_pio)
-{
-       struct device *dev = &dpc->dev->device;
-       int i;
-       u32 status;
-
-       dev_err(dev, "rp_pio_status: %#010x, rp_pio_mask: %#010x\n",
-               rp_pio->status, rp_pio->mask);
-
-       dev_err(dev, "RP PIO severity=%#010x, syserror=%#010x, exception=%#010x\n",
-               rp_pio->severity, rp_pio->syserror, rp_pio->exception);
-
-       status = (rp_pio->status & ~rp_pio->mask);
-
-       for (i = 0; i < ARRAY_SIZE(rp_pio_error_string); i++) {
-               if (!(status & (1 << i)))
-                       continue;
-
-               dev_err(dev, "[%2d] %s%s\n", i, rp_pio_error_string[i],
-                       rp_pio->first_error == i ? " (First)" : "");
-       }
-
-       dev_err(dev, "TLP Header: %#010x %#010x %#010x %#010x\n",
-               rp_pio->header_log.dw0, rp_pio->header_log.dw1,
-               rp_pio->header_log.dw2, rp_pio->header_log.dw3);
-       if (dpc->rp_log_size == 4)
-               return;
-
-       dev_err(dev, "RP PIO ImpSpec Log %#010x\n", rp_pio->impspec_log);
-
-       for (i = 0; i < dpc->rp_log_size - 5; i++)
-               dev_err(dev, "TLP Prefix Header: dw%d, %#010x\n", i,
-                       rp_pio->tlp_prefix_log[i]);
-}
-
 static void dpc_rp_pio_get_info(struct dpc_dev *dpc,
                                struct dpc_rp_pio_regs *rp_pio)
 {
+       struct device *dev = &dpc->dev->device;
        struct pci_dev *pdev = dpc->dev->port;
        int i;
        u16 cap = dpc->cap_pos, dpc_status;
+       u32 status;
 
        pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_STATUS,
                              &rp_pio->status);
        pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_MASK,
                              &rp_pio->mask);
+       dev_err(dev, "rp_pio_status: %#010x, rp_pio_mask: %#010x\n",
+               rp_pio->status, rp_pio->mask);
 
        pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_SEVERITY,
                              &rp_pio->severity);
@@ -196,14 +164,22 @@ static void dpc_rp_pio_get_info(struct dpc_dev *dpc,
                              &rp_pio->syserror);
        pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_EXCEPTION,
                              &rp_pio->exception);
+       dev_err(dev, "RP PIO severity=%#010x, syserror=%#010x, exception=%#010x\n",
+               rp_pio->severity, rp_pio->syserror, rp_pio->exception);
 
        /* Get First Error Pointer */
        pci_read_config_word(pdev, cap + PCI_EXP_DPC_STATUS, &dpc_status);
        rp_pio->first_error = (dpc_status & 0x1f00) >> 8;
 
+       status = (rp_pio->status & ~rp_pio->mask);
+       for (i = 0; i < ARRAY_SIZE(rp_pio_error_string); i++) {
+               if (status & (1 << i))
+                       dev_err(dev, "[%2d] %s%s\n", i, rp_pio_error_string[i],
+                               rp_pio->first_error == i ? " (First)" : "");
+       }
+
        if (dpc->rp_log_size < 4)
                return;
-
        pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_HEADER_LOG,
                              &rp_pio->header_log.dw0);
        pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_HEADER_LOG + 4,
@@ -212,16 +188,23 @@ static void dpc_rp_pio_get_info(struct dpc_dev *dpc,
                              &rp_pio->header_log.dw2);
        pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_HEADER_LOG + 12,
                              &rp_pio->header_log.dw3);
+       dev_err(dev, "TLP Header: %#010x %#010x %#010x %#010x\n",
+               rp_pio->header_log.dw0, rp_pio->header_log.dw1,
+               rp_pio->header_log.dw2, rp_pio->header_log.dw3);
 
        if (dpc->rp_log_size < 5)
                return;
        pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_IMPSPEC_LOG,
                              &rp_pio->impspec_log);
+       dev_err(dev, "RP PIO ImpSpec Log %#010x\n", rp_pio->impspec_log);
 
-       for (i = 0; i < dpc->rp_log_size - 5; i++)
+       for (i = 0; i < dpc->rp_log_size - 5; i++) {
                pci_read_config_dword(pdev,
                        cap + PCI_EXP_DPC_RP_PIO_TLPPREFIX_LOG,
                        &rp_pio->tlp_prefix_log[i]);
+               dev_err(dev, "TLP Prefix Header: dw%d, %#010x\n", i,
+                       rp_pio->tlp_prefix_log[i]);
+       }
 }
 
 static void dpc_process_rp_pio_error(struct dpc_dev *dpc)
@@ -229,7 +212,6 @@ static void dpc_process_rp_pio_error(struct dpc_dev *dpc)
        struct dpc_rp_pio_regs rp_pio_regs;
 
        dpc_rp_pio_get_info(dpc, &rp_pio_regs);
-       dpc_rp_pio_print_error(dpc, &rp_pio_regs);
 
        dpc->rp_pio_status = rp_pio_regs.status;
 }