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PCI/PTM: Move pci_ptm_info() body into its only caller

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pci_ptm_info() is simple and is only called by pci_enable_ptm().  Move the
entire body there.  No functional change intended.

Link: https://lore.kernel.org/r/20220909202505.314195-6-helgaas@kernel.org
Tested-by: Rajvi Jingar <rajvi.jingar@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Bjorn Helgaas 2022-09-09 15:25:01 -05:00
parent e8bdc5ea48
commit 91b12b2a10
1 changed files with 17 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/pci/pcie/ptm.c
View File

@ -9,26 +9,6 @@
#include <linux/pci.h>
#include "../pci.h"
static void pci_ptm_info(struct pci_dev *dev)
{
char clock_desc[8];
switch (dev->ptm_granularity) {
case 0:
snprintf(clock_desc, sizeof(clock_desc), "unknown");
break;
case 255:
snprintf(clock_desc, sizeof(clock_desc), ">254ns");
break;
default:
snprintf(clock_desc, sizeof(clock_desc), "%uns",
dev->ptm_granularity);
break;
}
pci_info(dev, "PTM enabled%s, %s granularity\n",
dev->ptm_root ? " (root)" : "", clock_desc);
}
static void __pci_disable_ptm(struct pci_dev *dev)
{
u16 ptm = dev->ptm_cap;
@ -213,16 +193,32 @@ static int __pci_enable_ptm(struct pci_dev *dev)
int pci_enable_ptm(struct pci_dev *dev, u8 *granularity)
{
int rc;
char clock_desc[8];
rc = __pci_enable_ptm(dev);
if (rc)
return rc;
dev->ptm_enabled = 1;
pci_ptm_info(dev);
if (granularity)
*granularity = dev->ptm_granularity;
switch (dev->ptm_granularity) {
case 0:
snprintf(clock_desc, sizeof(clock_desc), "unknown");
break;
case 255:
snprintf(clock_desc, sizeof(clock_desc), ">254ns");
break;
default:
snprintf(clock_desc, sizeof(clock_desc), "%uns",
dev->ptm_granularity);
break;
}
pci_info(dev, "PTM enabled%s, %s granularity\n",
dev->ptm_root ? " (root)" : "", clock_desc);
return 0;
}
EXPORT_SYMBOL(pci_enable_ptm);