diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/n_gsm.c | 8 | ||||
| -rw-r--r-- | drivers/tty/serial/imx.c | 3 |
2 files changed, 8 insertions, 3 deletions
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 47f8cdb207f..74273e638c0 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -1658,8 +1658,12 @@ static void gsm_queue(struct gsm_mux *gsm) if ((gsm->control & ~PF) == UI) gsm->fcs = gsm_fcs_add_block(gsm->fcs, gsm->buf, gsm->len); - /* generate final CRC with received FCS */ - gsm->fcs = gsm_fcs_add(gsm->fcs, gsm->received_fcs); + if (gsm->encoding == 0){ + /* WARNING: gsm->received_fcs is used for gsm->encoding = 0 only. + In this case it contain the last piece of data + required to generate final CRC */ + gsm->fcs = gsm_fcs_add(gsm->fcs, gsm->received_fcs); + } if (gsm->fcs != GOOD_FCS) { gsm->bad_fcs++; if (debug & 4) diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index cb36b0d4ef3..62df72d9f0a 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -382,12 +382,13 @@ static void imx_start_tx(struct uart_port *port) static irqreturn_t imx_rtsint(int irq, void *dev_id) { struct imx_port *sport = dev_id; - unsigned int val = readl(sport->port.membase + USR1) & USR1_RTSS; + unsigned int val; unsigned long flags; spin_lock_irqsave(&sport->port.lock, flags); writel(USR1_RTSD, sport->port.membase + USR1); + val = readl(sport->port.membase + USR1) & USR1_RTSS; uart_handle_cts_change(&sport->port, !!val); wake_up_interruptible(&sport->port.state->port.delta_msr_wait); |