Author: yongari
Date: Thu Mar 25 17:17:35 2010
New Revision: 205651
URL: http://svn.freebsd.org/changeset/base/205651
Log:
Use pci_get_max_read_req() and pci_set_max_read_req() to set maximim
read request size.
Modified:
head/sys/dev/bge/if_bge.c
Modified: head/sys/dev/bge/if_bge.c
==============================================================================
--- head/sys/dev/bge/if_bge.c Thu Mar 25 17:14:47 2010 (r205650)
+++ head/sys/dev/bge/if_bge.c Thu Mar 25 17:17:35 2010 (r205651)
@@ -421,7 +421,6 @@ static uint32_t bge_readreg_ind(struct b
#endif
static void bge_writemem_direct(struct bge_softc *, int, int);
static void bge_writereg_ind(struct bge_softc *, int, int);
-static void bge_set_max_readrq(struct bge_softc *);
static int bge_miibus_readreg(device_t, int, int);
static int bge_miibus_writereg(device_t, int, int, int);
@@ -561,32 +560,6 @@ bge_writemem_ind(struct bge_softc *sc, i
pci_write_config(dev, BGE_PCI_MEMWIN_BASEADDR, 0, 4);
}
-/*
- * PCI Express only
- */
-static void
-bge_set_max_readrq(struct bge_softc *sc)
-{
- device_t dev;
- uint16_t val;
-
- dev = sc->bge_dev;
-
- val = pci_read_config(dev, sc->bge_expcap + PCIR_EXPRESS_DEVICE_CTL, 2);
- if ((val & PCIM_EXP_CTL_MAX_READ_REQUEST) !=
- BGE_PCIE_DEVCTL_MAX_READRQ_4096) {
- if (bootverbose)
- device_printf(dev, "adjust device control 0x%04x ",
- val);
- val &= ~PCIM_EXP_CTL_MAX_READ_REQUEST;
- val |= BGE_PCIE_DEVCTL_MAX_READRQ_4096;
- pci_write_config(dev, sc->bge_expcap + PCIR_EXPRESS_DEVICE_CTL,
- val, 2);
- if (bootverbose)
- printf("-> 0x%04x\n", val);
- }
-}
-
#ifdef notdef
static uint32_t
bge_readreg_ind(struct bge_softc *sc, int off)
@@ -2695,7 +2668,8 @@ bge_attach(device_t dev)
*/
sc->bge_flags |= BGE_FLAG_PCIE;
sc->bge_expcap = reg;
- bge_set_max_readrq(sc);
+ if (pci_get_max_read_req(dev) != 4096)
+ pci_set_max_read_req(dev, 4096);
} else {
/*
* Check if the device is in PCI-X Mode.
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