From 747125db6dcd8bcc21f13d013f6e6a2acade21ee Mon Sep 17 00:00:00 2001 From: Mika Westerberg Date: Mon, 16 Sep 2019 17:03:03 +0300 Subject: 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 Signed-off-by: Mika Westerberg --- drivers/thunderbolt/nhi_ops.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers/thunderbolt/nhi_ops.c') 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); } -- cgit v1.2.3-59-g8ed1b