diff options
| author | Ricky Wu <ricky_wu@realtek.com> | 2021-01-22 09:19:06 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-22 11:04:53 +0100 |
| commit | 31b081066e9c8f4a931a3d20dc0c6ca63c595c44 (patch) | |
| tree | b79a10afb0263f741ceb03d9c3f936a65b66a767 /drivers/misc/cardreader/rtsx_pcr.c | |
| parent | Merge tag 'misc-habanalabs-fixes-2021-01-21' of https://git.kernel.org/pub/sc... (diff) | |
| download | linux-31b081066e9c8f4a931a3d20dc0c6ca63c595c44.tar.xz linux-31b081066e9c8f4a931a3d20dc0c6ca63c595c44.zip | |
misc: rtsx: init value of aspm_enabled
make sure ASPM state sync with pcr->aspm_enabled
init value pcr->aspm_enabled
Cc: stable@vger.kernel.org
Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
Link: https://lore.kernel.org/r/20210122081906.19100-1-ricky_wu@realtek.com
Fixes: d928061c3143 ("misc: rtsx: modify en/disable aspm function")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/cardreader/rtsx_pcr.c')
| -rw-r--r-- | drivers/misc/cardreader/rtsx_pcr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c index 2aa6648fa41f..5a491d2cd1ae 100644 --- a/drivers/misc/cardreader/rtsx_pcr.c +++ b/drivers/misc/cardreader/rtsx_pcr.c @@ -1512,6 +1512,7 @@ static int rtsx_pci_probe(struct pci_dev *pcidev, struct pcr_handle *handle; u32 base, len; int ret, i, bar = 0; + u8 val; dev_dbg(&(pcidev->dev), ": Realtek PCI-E Card Reader found at %s [%04x:%04x] (rev %x)\n", @@ -1577,7 +1578,11 @@ static int rtsx_pci_probe(struct pci_dev *pcidev, pcr->host_cmds_addr = pcr->rtsx_resv_buf_addr; pcr->host_sg_tbl_ptr = pcr->rtsx_resv_buf + HOST_CMDS_BUF_LEN; pcr->host_sg_tbl_addr = pcr->rtsx_resv_buf_addr + HOST_CMDS_BUF_LEN; - + rtsx_pci_read_register(pcr, ASPM_FORCE_CTL, &val); + if (val & FORCE_ASPM_CTL0 && val & FORCE_ASPM_CTL1) + pcr->aspm_enabled = false; + else + pcr->aspm_enabled = true; pcr->card_inserted = 0; pcr->card_removed = 0; INIT_DELAYED_WORK(&pcr->carddet_work, rtsx_pci_card_detect); |