diff options
| -rw-r--r-- | drivers/ufs/core/ufshcd.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 9f43b03f3b72..8b5ee1a7d454 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -10527,6 +10527,14 @@ static const struct dev_pm_ops ufshcd_wl_pm_ops = { static void ufshcd_check_header_layout(void) { + /* + * gcc compilers before version 10 cannot do constant-folding for + * sub-byte bitfields. Hence skip the layout checks for gcc 9 and + * before. + */ + if (IS_ENABLED(CONFIG_CC_IS_GCC) && CONFIG_GCC_VERSION < 100000) + return; + BUILD_BUG_ON(((u8 *)&(struct request_desc_header){ .cci = 3})[0] != 3); |