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authorBoris Ostrovsky <boris.ostrovsky@oracle.com>2020-05-29 05:24:52 +0300
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>2020-05-29 18:44:59 +0300
commit4969a3a2cd3c2dbb1bcdc6a3a516de9ff972372e (patch)
treed75d5760a0fd99e95d6afcb60f7d9585c92d47ad /drivers/xen/xen-pciback
parent64b3eaf3715d24e9215e9552779334b0807eb823 (diff)
downloadlinux-4969a3a2cd3c2dbb1bcdc6a3a516de9ff972372e.tar.xz
xen/pci: Get rid of verbose_request and use dev_dbg() instead
Information printed under verbose_request is clearly used for debugging only. Remove it and use dev_dbg() instead. Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Link: https://lore.kernel.org/r/1590719092-8578-1-git-send-email-boris.ostrovsky@oracle.com Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'drivers/xen/xen-pciback')
-rw-r--r--drivers/xen/xen-pciback/conf_space.c14
-rw-r--r--drivers/xen/xen-pciback/conf_space_header.c20
-rw-r--r--drivers/xen/xen-pciback/pciback.h2
-rw-r--r--drivers/xen/xen-pciback/pciback_ops.c35
4 files changed, 21 insertions, 50 deletions
diff --git a/drivers/xen/xen-pciback/conf_space.c b/drivers/xen/xen-pciback/conf_space.c
index f2df4e55fc1b..059de92aea7d 100644
--- a/drivers/xen/xen-pciback/conf_space.c
+++ b/drivers/xen/xen-pciback/conf_space.c
@@ -156,9 +156,7 @@ int xen_pcibk_config_read(struct pci_dev *dev, int offset, int size,
* (as if device didn't respond) */
u32 value = 0, tmp_val;
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev, "read %d bytes at 0x%x\n",
- size, offset);
+ dev_dbg(&dev->dev, "read %d bytes at 0x%x\n", size, offset);
if (!valid_request(offset, size)) {
err = XEN_PCI_ERR_invalid_offset;
@@ -197,9 +195,7 @@ int xen_pcibk_config_read(struct pci_dev *dev, int offset, int size,
}
out:
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev,
- "read %d bytes at 0x%x = %x\n", size, offset, value);
+ dev_dbg(&dev->dev, "read %d bytes at 0x%x = %x\n", size, offset, value);
*ret_val = value;
return xen_pcibios_err_to_errno(err);
@@ -214,10 +210,8 @@ int xen_pcibk_config_write(struct pci_dev *dev, int offset, int size, u32 value)
u32 tmp_val;
int field_start, field_end;
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev,
- "write request %d bytes at 0x%x = %x\n", size,
- offset, value);
+ dev_dbg(&dev->dev, "write request %d bytes at 0x%x = %x\n",
+ size, offset, value);
if (!valid_request(offset, size))
return XEN_PCI_ERR_invalid_offset;
diff --git a/drivers/xen/xen-pciback/conf_space_header.c b/drivers/xen/xen-pciback/conf_space_header.c
index b277b689f257..ac45cdc38e85 100644
--- a/drivers/xen/xen-pciback/conf_space_header.c
+++ b/drivers/xen/xen-pciback/conf_space_header.c
@@ -68,36 +68,30 @@ static int command_write(struct pci_dev *dev, int offset, u16 value, void *data)
dev_data = pci_get_drvdata(dev);
if (!pci_is_enabled(dev) && is_enable_cmd(value)) {
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev, "enable\n");
+ dev_dbg(&dev->dev, "enable\n");
err = pci_enable_device(dev);
if (err)
return err;
if (dev_data)
dev_data->enable_intx = 1;
} else if (pci_is_enabled(dev) && !is_enable_cmd(value)) {
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev, "disable\n");
+ dev_dbg(&dev->dev, "disable\n");
pci_disable_device(dev);
if (dev_data)
dev_data->enable_intx = 0;
}
if (!dev->is_busmaster && is_master_cmd(value)) {
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev, "set bus master\n");
+ dev_dbg(&dev->dev, "set bus master\n");
pci_set_master(dev);
} else if (dev->is_busmaster && !is_master_cmd(value)) {
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev, "clear bus master\n");
+ dev_dbg(&dev->dev, "clear bus master\n");
pci_clear_master(dev);
}
if (!(cmd->val & PCI_COMMAND_INVALIDATE) &&
(value & PCI_COMMAND_INVALIDATE)) {
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev,
- "enable memory-write-invalidate\n");
+ dev_dbg(&dev->dev, "enable memory-write-invalidate\n");
err = pci_set_mwi(dev);
if (err) {
dev_warn(&dev->dev, "cannot enable memory-write-invalidate (%d)\n",
@@ -106,9 +100,7 @@ static int command_write(struct pci_dev *dev, int offset, u16 value, void *data)
}
} else if ((cmd->val & PCI_COMMAND_INVALIDATE) &&
!(value & PCI_COMMAND_INVALIDATE)) {
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev,
- "disable memory-write-invalidate\n");
+ dev_dbg(&dev->dev, "disable memory-write-invalidate\n");
pci_clear_mwi(dev);
}
diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h
index 7c95516a860f..f1ed2dbf685c 100644
--- a/drivers/xen/xen-pciback/pciback.h
+++ b/drivers/xen/xen-pciback/pciback.h
@@ -186,8 +186,6 @@ void xen_pcibk_do_op(struct work_struct *data);
int xen_pcibk_xenbus_register(void);
void xen_pcibk_xenbus_unregister(void);
-extern int verbose_request;
-
void xen_pcibk_test_and_schedule_op(struct xen_pcibk_device *pdev);
#endif
diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c
index 8545ca78c4f1..e11a7438e1a2 100644
--- a/drivers/xen/xen-pciback/pciback_ops.c
+++ b/drivers/xen/xen-pciback/pciback_ops.c
@@ -15,9 +15,6 @@
#include <linux/sched.h>
#include "pciback.h"
-int verbose_request;
-module_param(verbose_request, int, 0644);
-
static irqreturn_t xen_pcibk_guest_interrupt(int irq, void *dev_id);
/* Ensure a device is has the fake IRQ handler "turned on/off" and is
@@ -148,9 +145,6 @@ int xen_pcibk_enable_msi(struct xen_pcibk_device *pdev,
struct xen_pcibk_dev_data *dev_data;
int status;
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev, "enable MSI\n");
-
if (dev->msi_enabled)
status = -EALREADY;
else if (dev->msix_enabled)
@@ -169,8 +163,8 @@ int xen_pcibk_enable_msi(struct xen_pcibk_device *pdev,
* the local domain's IRQ number. */
op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0;
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev, "MSI: %d\n", op->value);
+
+ dev_dbg(&dev->dev, "MSI: %d\n", op->value);
dev_data = pci_get_drvdata(dev);
if (dev_data)
@@ -183,9 +177,6 @@ static
int xen_pcibk_disable_msi(struct xen_pcibk_device *pdev,
struct pci_dev *dev, struct xen_pci_op *op)
{
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev, "disable MSI\n");
-
if (dev->msi_enabled) {
struct xen_pcibk_dev_data *dev_data;
@@ -196,8 +187,9 @@ int xen_pcibk_disable_msi(struct xen_pcibk_device *pdev,
dev_data->ack_intr = 1;
}
op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0;
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev, "MSI: %d\n", op->value);
+
+ dev_dbg(&dev->dev, "MSI: %d\n", op->value);
+
return 0;
}
@@ -210,8 +202,7 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev,
struct msix_entry *entries;
u16 cmd;
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev, "enable MSI-X\n");
+ dev_dbg(&dev->dev, "enable MSI-X\n");
if (op->value > SH_INFO_MAX_VEC)
return -EINVAL;
@@ -244,10 +235,8 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev,
if (entries[i].vector) {
op->msix_entries[i].vector =
xen_pirq_from_irq(entries[i].vector);
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev,
- "MSI-X[%d]: %d\n", i,
- op->msix_entries[i].vector);
+ dev_dbg(&dev->dev, "MSI-X[%d]: %d\n", i,
+ op->msix_entries[i].vector);
}
}
} else
@@ -267,9 +256,6 @@ static
int xen_pcibk_disable_msix(struct xen_pcibk_device *pdev,
struct pci_dev *dev, struct xen_pci_op *op)
{
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev, "disable MSI-X\n");
-
if (dev->msix_enabled) {
struct xen_pcibk_dev_data *dev_data;
@@ -284,8 +270,9 @@ int xen_pcibk_disable_msix(struct xen_pcibk_device *pdev,
* an undefined IRQ value of zero.
*/
op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0;
- if (unlikely(verbose_request))
- dev_printk(KERN_DEBUG, &dev->dev, "MSI-X: %d\n", op->value);
+
+ dev_dbg(&dev->dev, "MSI-X: %d\n", op->value);
+
return 0;
}
#endif