diff options
| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2019-09-16 17:03:03 +0300 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2019-10-08 12:08:21 +0300 |
| commit | 747125db6dcd8bcc21f13d013f6e6a2acade21ee (patch) | |
| tree | d2db55ace2e534037ecc60867741fed91f48bf3b /drivers/thunderbolt/nhi_ops.c | |
| parent | 6f6709734274aef75058356e029d5e8f86d0d53b (diff) | |
| download | linux-747125db6dcd8bcc21f13d013f6e6a2acade21ee.tar.bz2 | |
thunderbolt: Drop unnecessary read when writing LC command in Ice Lake
The read is not needed as we overwrite the returned value in the next
line anyway so drop it.
Fixes: 3cdb9446a117 ("thunderbolt: Add support for Intel Ice Lake")
Reported-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt/nhi_ops.c')
| -rw-r--r-- | drivers/thunderbolt/nhi_ops.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/thunderbolt/nhi_ops.c b/drivers/thunderbolt/nhi_ops.c index 61cd09cef943..6795851aac95 100644 --- a/drivers/thunderbolt/nhi_ops.c +++ b/drivers/thunderbolt/nhi_ops.c @@ -80,7 +80,6 @@ static void icl_nhi_lc_mailbox_cmd(struct tb_nhi *nhi, enum icl_lc_mailbox_cmd c { u32 data; - pci_read_config_dword(nhi->pdev, VS_CAP_19, &data); data = (cmd << VS_CAP_19_CMD_SHIFT) & VS_CAP_19_CMD_MASK; pci_write_config_dword(nhi->pdev, VS_CAP_19, data | VS_CAP_19_VALID); } |