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Use new helper functions to set PCIe max read request size.

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This commit is contained in:
Alexander Motin 2010-02-05 17:20:48 +00:00
parent 24d6a5ed27
commit 2622a559a7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=203529
1 changed files with 2 additions and 12 deletions
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14
sys/dev/siis/siis.c
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@ -230,20 +230,10 @@ static int
siis_resume(device_t dev)
{
struct siis_controller *ctlr = device_get_softc(dev);
int cap;
uint16_t val;
/* Set PCIe max read request size to at least 1024 bytes */
if (pci_find_extcap(dev, PCIY_EXPRESS, &cap) == 0) {
val = pci_read_config(dev,
cap + PCIR_EXPRESS_DEVICE_CTL, 2);
if ((val & PCIM_EXP_CTL_MAX_READ_REQUEST) < 0x3000) {
val &= ~PCIM_EXP_CTL_MAX_READ_REQUEST;
val |= 0x3000;
pci_write_config(dev,
cap + PCIR_EXPRESS_DEVICE_CTL, val, 2);
}
}
if (pci_get_max_read_req(dev) < 1024)
pci_set_max_read_req(dev, 1024);
/* Put controller into reset state. */
ctlr->gctl |= SIIS_GCTL_GRESET;
ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl);