Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-09 15:29:16 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

tg3: Recode PCI MRRS adjustment as a PCI quirk

Browse Source 
This patch recodes the MRRS cap for 5719 A0 devices as a PCI quirk.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matt Carlson 2012-02-27 09:44:48 +00:00 committed by David S. Miller
parent e19a82c18f
commit 0b47150671
3 changed files with 19 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/ethernet/broadcom/tg3.c
View File

@ -14242,12 +14242,6 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
tg3_flag_set(tp, PCI_EXPRESS);
if (tp->pci_chip_rev_id == CHIPREV_ID_5719_A0) {
int readrq = pcie_get_readrq(tp->pdev);
if (readrq > 2048)
pcie_set_readrq(tp->pdev, 2048);
}
pci_read_config_word(tp->pdev,
pci_pcie_cap(tp->pdev) + PCI_EXP_LNKCTL,
&lnkctl);

18
drivers/pci/quirks.c
View File

@ -2161,6 +2161,24 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM,
PCI_DEVICE_ID_NX2_5709S,
quirk_brcm_570x_limit_vpd);
static void __devinit quirk_brcm_5719_limit_mrrs(struct pci_dev *dev)
{
u32 rev;
pci_read_config_dword(dev, 0xf4, &rev);
/* Only CAP the MRRS if the device is a 5719 A0 */
if (rev == 0x05719000) {
int readrq = pcie_get_readrq(dev);
if (readrq > 2048)
pcie_set_readrq(dev, 2048);
}
}
DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_BROADCOM,
PCI_DEVICE_ID_TIGON3_5719,
quirk_brcm_5719_limit_mrrs);
/* Originally in EDAC sources for i82875P:
* Intel tells BIOS developers to hide device 6 which
* configures the overflow device access containing

1
include/linux/pci_ids.h
View File

@ -2105,6 +2105,7 @@
#define PCI_DEVICE_ID_NX2_57711E 0x1650
#define PCI_DEVICE_ID_TIGON3_5705 0x1653
#define PCI_DEVICE_ID_TIGON3_5705_2 0x1654
#define PCI_DEVICE_ID_TIGON3_5719 0x1657
#define PCI_DEVICE_ID_TIGON3_5721 0x1659
#define PCI_DEVICE_ID_TIGON3_5722 0x165a
#define PCI_DEVICE_ID_TIGON3_5723 0x165b