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-rw-r--r--common/debug.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/common/debug.c b/common/debug.c
index f3cacdf..7118733 100644
--- a/common/debug.c
+++ b/common/debug.c
@@ -110,12 +110,6 @@ vm_t map_io_dbg(struct vmem *b)
*/
static int __8250_tx_empty()
{
- /**
- * @todo visionfive2 loops on lsr indefinitely, why?
- * answer: because apparently visionfive2 uart has reg-shift = 2,
- * meaning the registers are spaced apart more in memory than my naive
- * struct.
- * */
volatile uint8_t *lsr = (uint8_t *)dbg_info.base +
(UART_8250_LSR << dbg_info.shift);
return (*lsr) & LSR_THRE;