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cxgb(4): Use routines from pci(9) instead of hand rolled equivalents.

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There is no need to include private PCI headers in the driver.

Sponsored by:	Chelsio Communications

(cherry picked from commit 762d32354a18517c28933ddc29f9d3d855e450b1)
This commit is contained in:
Navdeep Parhar 2024-12-08 16:05:33 -08:00
parent b5a68e0641
commit f2c75b13f3
1 changed files with 5 additions and 50 deletions
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55
sys/dev/cxgb/cxgb_main.c
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@ -36,7 +36,6 @@ POSSIBILITY OF SUCH DAMAGE.
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/pciio.h>
#include <sys/conf.h>
#include <machine/bus.h>
#include <machine/resource.h>
@ -76,7 +75,6 @@ POSSIBILITY OF SUCH DAMAGE.
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pci_private.h>
#include <cxgb_include.h>
@ -1138,66 +1136,23 @@ t3_fatal_err(struct adapter *sc)
int
t3_os_find_pci_capability(adapter_t *sc, int cap)
{
device_t dev;
struct pci_devinfo *dinfo;
pcicfgregs *cfg;
uint32_t status;
uint8_t ptr;
int rc, reg = 0;
dev = sc->dev;
dinfo = device_get_ivars(dev);
cfg = &dinfo->cfg;
status = pci_read_config(dev, PCIR_STATUS, 2);
if (!(status & PCIM_STATUS_CAPPRESENT))
return (0);
switch (cfg->hdrtype & PCIM_HDRTYPE) {
case 0:
case 1:
ptr = PCIR_CAP_PTR;
break;
case 2:
ptr = PCIR_CAP_PTR_2;
break;
default:
return (0);
break;
}
ptr = pci_read_config(dev, ptr, 1);
while (ptr != 0) {
if (pci_read_config(dev, ptr + PCICAP_ID, 1) == cap)
return (ptr);
ptr = pci_read_config(dev, ptr + PCICAP_NEXTPTR, 1);
}
return (0);
rc = pci_find_cap(sc->dev, cap, &reg);
return (rc == 0 ? reg : 0);
}
int
t3_os_pci_save_state(struct adapter *sc)
{
device_t dev;
struct pci_devinfo *dinfo;
dev = sc->dev;
dinfo = device_get_ivars(dev);
pci_cfg_save(dev, dinfo, 0);
pci_save_state(sc->dev);
return (0);
}
int
t3_os_pci_restore_state(struct adapter *sc)
{
device_t dev;
struct pci_devinfo *dinfo;
dev = sc->dev;
dinfo = device_get_ivars(dev);
pci_cfg_restore(dev, dinfo);
pci_restore_state(sc->dev);
return (0);
}