diff options
Diffstat (limited to 'drivers/misc/cardreader/rts5228.c')
| -rw-r--r-- | drivers/misc/cardreader/rts5228.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/misc/cardreader/rts5228.c b/drivers/misc/cardreader/rts5228.c index 448929829de4..f5716c631104 100644 --- a/drivers/misc/cardreader/rts5228.c +++ b/drivers/misc/cardreader/rts5228.c @@ -379,11 +379,16 @@ static void rts5228_process_ocp(struct rtsx_pcr *pcr) static void rts5228_init_from_cfg(struct rtsx_pcr *pcr) { + struct pci_dev *pdev = pcr->pci; + int l1ss; u32 lval; struct rtsx_cr_option *option = &pcr->option; - pci_read_config_dword(pcr->pci, PCR_ASPM_SETTING_REG1, &lval); + l1ss = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_L1SS); + if (!l1ss) + return; + pci_read_config_dword(pdev, l1ss + PCI_L1SS_CTL1, &lval); if (0 == (lval & 0x0F)) rtsx_pci_enable_oobs_polling(pcr); |