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-rw-r--r--drivers/pci/fsl_pci_init.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c
index 3118b85faa..dc34bd6669 100644
--- a/drivers/pci/fsl_pci_init.c
+++ b/drivers/pci/fsl_pci_init.c
@@ -317,6 +317,13 @@ void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info)
temp32 |= 0xf000e; /* set URR, FER, NFER (but not CER) */
pci_hose_write_config_dword(hose, dev, PCI_DCR, temp32);
+#if defined(CONFIG_FSL_PCIE_DISABLE_ASPM)
+ temp32 = 0;
+ pci_hose_read_config_dword(hose, dev, PCI_LCR, &temp32);
+ temp32 &= ~0x03; /* Disable ASPM */
+ pci_hose_write_config_dword(hose, dev, PCI_LCR, temp32);
+ udelay(1);
+#endif
if (pcie_cap == PCI_CAP_ID_EXP) {
pci_hose_read_config_word(hose, dev, PCI_LTSSM, &ltssm);
enabled = ltssm >= PCI_LTSSM_L0;