diff mbox series

[3/3] thunderbolt: Drop unnecessary read when writing LC command in Ice Lake

Message ID 20191001102905.21680-4-mika.westerberg@linux.intel.com (mailing list archive)
State Mainlined, archived
Commit 747125db6dcd8bcc21f13d013f6e6a2acade21ee
Headers show
Series thunderbolt: Fixes for few reported issues | expand

Commit Message

Mika Westerberg Oct. 1, 2019, 10:29 a.m. UTC 
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>
---
 drivers/thunderbolt/nhi_ops.c | 1 -
 1 file changed, 1 deletion(-)
diff mbox series

Patch

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);
 }