[PATCH 2/9] thunderblot: Don't pass a bitfield to FIELD_GET

david.laight.linux
2025-12-08T22:43:10Z

FIELD_GET needs to use __auto_type to get the value of the 'reg'
parameter, this can't be used with bifields.

FIELD_GET also want to verify the size of 'reg' so can't add zero
to force the type to int.

So add a zero here.

Signed-off-by: David Laight <david.laight.linux@gmail.com>
---
drivers/thunderbolt/tb.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index e96474f17067..7ca2b5a0f01e 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -1307,7 +1307,7 @@ static inline struct tb_retimer *tb_to_retimer(struct device *dev)
*/
static inline unsigned int usb4_switch_version(const struct tb_switch *sw)
{
- return FIELD_GET(USB4_VERSION_MAJOR_MASK, sw->config.thunderbolt_version);
+ return FIELD_GET(USB4_VERSION_MAJOR_MASK, sw->config.thunderbolt_version + 0);
}

/**
--
2.39.5