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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-31 07:19:25 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-31 07:19:25 +0200 |
| commit | 8f49a2fe8e6bccbd47555048def9cd08da220c74 (patch) | |
| tree | e6ba7f2cc36b03503b6070668ee6720002111ca2 /drivers/tty/serial/qcom_geni_serial.c | |
| parent | 04b6ff5f25dece9b0ee244aa768b251cfe855c85 (diff) | |
| parent | f75aef392f869018f78cfedf3c320a6b3fcfda6b (diff) | |
| download | linux-stable-8f49a2fe8e6bccbd47555048def9cd08da220c74.tar.gz linux-stable-8f49a2fe8e6bccbd47555048def9cd08da220c74.tar.bz2 linux-stable-8f49a2fe8e6bccbd47555048def9cd08da220c74.zip | |
Merge 5.9-rc3 into tty-next
We need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/qcom_geni_serial.c')
| -rw-r--r-- | drivers/tty/serial/qcom_geni_serial.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 33f1af6c61d1..f0b1b47c3abc 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -361,11 +361,16 @@ static int qcom_geni_serial_get_char(struct uart_port *uport) return NO_POLL_CHAR; if (word_cnt == 1 && (status & RX_LAST)) + /* + * NOTE: If RX_LAST_BYTE_VALID is 0 it needs to be + * treated as if it was BYTES_PER_FIFO_WORD. + */ private_data->poll_cached_bytes_cnt = (status & RX_LAST_BYTE_VALID_MSK) >> RX_LAST_BYTE_VALID_SHFT; - else - private_data->poll_cached_bytes_cnt = 4; + + if (private_data->poll_cached_bytes_cnt == 0) + private_data->poll_cached_bytes_cnt = BYTES_PER_FIFO_WORD; private_data->poll_cached_bytes = readl(uport->membase + SE_GENI_RX_FIFOn); @@ -1098,7 +1103,7 @@ static unsigned int qcom_geni_serial_tx_empty(struct uart_port *uport) } #ifdef CONFIG_SERIAL_QCOM_GENI_CONSOLE -static int __init qcom_geni_console_setup(struct console *co, char *options) +static int qcom_geni_console_setup(struct console *co, char *options) { struct uart_port *uport; struct qcom_geni_serial_port *port; |