Commit 747125db authored Sep 16, 2019 by Mika Westerberg

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: 3cdb9446 ("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>

parent 6f670973

drivers/thunderbolt/nhi_ops.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -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);
		}