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authorIlpo Järvinen <[email protected]>2022-09-01 17:39:34 +0300
committerGreg Kroah-Hartman <[email protected]>2022-09-07 16:40:29 +0200
commit1d10cd4da593bc0196a239dcc54dac24b6b0a74e (patch)
tree8b5be029b461861374071c8b6ad2063f3ebf208e
parent754f68044c7dd6c52534ba3e0f664830285c4b15 (diff)
serial: tegra-tcu: Use uart_xmit_advance(), fixes icount.tx accounting
Tx'ing does not correctly account Tx'ed characters into icount.tx. Using uart_xmit_advance() fixes the problem. Fixes: 2d908b38d409 ("serial: Add Tegra Combined UART driver") Cc: <[email protected]> # serial: Create uart_xmit_advance() Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Ilpo Järvinen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
-rw-r--r--drivers/tty/serial/tegra-tcu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/tegra-tcu.c b/drivers/tty/serial/tegra-tcu.c
index 4877c54c613d..889b701ba7c6 100644
--- a/drivers/tty/serial/tegra-tcu.c
+++ b/drivers/tty/serial/tegra-tcu.c
@@ -101,7 +101,7 @@ static void tegra_tcu_uart_start_tx(struct uart_port *port)
break;
tegra_tcu_write(tcu, &xmit->buf[xmit->tail], count);
- xmit->tail = (xmit->tail + count) & (UART_XMIT_SIZE - 1);
+ uart_xmit_advance(port, count);
}
uart_write_wakeup(port);