diff options
Diffstat (limited to 'drivers/misc/cardreader/rts5264.c')
| -rw-r--r-- | drivers/misc/cardreader/rts5264.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/misc/cardreader/rts5264.c b/drivers/misc/cardreader/rts5264.c index 8be4ed7d9d47..06d7a8a95fd6 100644 --- a/drivers/misc/cardreader/rts5264.c +++ b/drivers/misc/cardreader/rts5264.c @@ -605,6 +605,22 @@ static int rts5264_extra_init_hw(struct rtsx_pcr *pcr) return 0; } +static int rts5264_optimize_phy(struct rtsx_pcr *pcr) +{ + u16 subvendor, subdevice, val; + + subvendor = pcr->pci->subsystem_vendor; + subdevice = pcr->pci->subsystem_device; + + if ((subvendor == 0x1028) && (subdevice == 0x0CE1)) { + rtsx_pci_read_phy_register(pcr, _PHY_REV0, &val); + if ((val & 0xFE00) > 0x3800) + rtsx_pci_update_phy(pcr, _PHY_REV0, 0x1FF, 0x3800); + } + + return 0; +} + static void rts5264_enable_aspm(struct rtsx_pcr *pcr, bool enable) { u8 val = FORCE_ASPM_CTL0 | FORCE_ASPM_CTL1; @@ -682,6 +698,7 @@ static const struct pcr_ops rts5264_pcr_ops = { .turn_on_led = rts5264_turn_on_led, .turn_off_led = rts5264_turn_off_led, .extra_init_hw = rts5264_extra_init_hw, + .optimize_phy = rts5264_optimize_phy, .enable_auto_blink = rts5264_enable_auto_blink, .disable_auto_blink = rts5264_disable_auto_blink, .card_power_on = rts5264_card_power_on, |