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authorAndrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>2021-09-22 13:19:32 +0000
committerAndrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>2021-09-22 13:19:32 +0000
commit8b231e0e8ea0c43d791f6429089dbf0530c0125b (patch)
treec4f34a09bc0d9b8fabb9b9dbb2082ce8fee9b524 /drivers/tty/serial
parentaad410850445424f566e57a419527b6e2d3ab42d (diff)
parent07e5f23d3fa6ca98457d1a2177a735fcc65923c2 (diff)
Merge tag 'v5.4.148' into 5.4-2.3.x-imx
This is the 5.4.148 stable release Conflicts: - drivers/dma/imx-sdma.c: Following upstream patches are already applied to NXP tree: 7cfbf391e870 ("dmaengine: imx-sdma: remove duplicated sdma_load_context") 788122c99d85 ("Revert "dmaengine: imx-sdma: refine to load context only once"") - drivers/usb/chipidea/host.c: Merge upstream commit a18cfd715e91 ("usb: chipidea: host: fix port index underflow and UBSAN complains") to NXP version. Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/8250/8250_pci.c2
-rw-r--r--drivers/tty/serial/8250/8250_port.c3
-rw-r--r--drivers/tty/serial/jsm/jsm_neo.c2
-rw-r--r--drivers/tty/serial/jsm/jsm_tty.c3
-rw-r--r--drivers/tty/serial/sh-sci.c7
5 files changed, 14 insertions, 3 deletions
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 43fc5b6a25d3..a2bb103f22fc 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -89,7 +89,7 @@ static void moan_device(const char *str, struct pci_dev *dev)
static int
setup_port(struct serial_private *priv, struct uart_8250_port *port,
- int bar, int offset, int regshift)
+ u8 bar, unsigned int offset, int regshift)
{
struct pci_dev *dev = priv->dev;
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 8a7c6d65f10e..777ef1a9591c 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -125,7 +125,8 @@ static const struct serial8250_config uart_config[] = {
.name = "16C950/954",
.fifo_size = 128,
.tx_loadsz = 128,
- .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+ .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_01,
+ .rxtrig_bytes = {16, 32, 112, 120},
/* UART_CAP_EFR breaks billionon CF bluetooth card. */
.flags = UART_CAP_FIFO | UART_CAP_SLEEP,
},
diff --git a/drivers/tty/serial/jsm/jsm_neo.c b/drivers/tty/serial/jsm/jsm_neo.c
index bf0e2a4cb0ce..c6f927a76c3b 100644
--- a/drivers/tty/serial/jsm/jsm_neo.c
+++ b/drivers/tty/serial/jsm/jsm_neo.c
@@ -815,7 +815,9 @@ static void neo_parse_isr(struct jsm_board *brd, u32 port)
/* Parse any modem signal changes */
jsm_dbg(INTR, &ch->ch_bd->pci_dev,
"MOD_STAT: sending to parse_modem_sigs\n");
+ spin_lock_irqsave(&ch->uart_port.lock, lock_flags);
neo_parse_modem(ch, readb(&ch->ch_neo_uart->msr));
+ spin_unlock_irqrestore(&ch->uart_port.lock, lock_flags);
}
}
diff --git a/drivers/tty/serial/jsm/jsm_tty.c b/drivers/tty/serial/jsm/jsm_tty.c
index 689774c073ca..8438454ca653 100644
--- a/drivers/tty/serial/jsm/jsm_tty.c
+++ b/drivers/tty/serial/jsm/jsm_tty.c
@@ -187,6 +187,7 @@ static void jsm_tty_break(struct uart_port *port, int break_state)
static int jsm_tty_open(struct uart_port *port)
{
+ unsigned long lock_flags;
struct jsm_board *brd;
struct jsm_channel *channel =
container_of(port, struct jsm_channel, uart_port);
@@ -240,6 +241,7 @@ static int jsm_tty_open(struct uart_port *port)
channel->ch_cached_lsr = 0;
channel->ch_stops_sent = 0;
+ spin_lock_irqsave(&port->lock, lock_flags);
termios = &port->state->port.tty->termios;
channel->ch_c_cflag = termios->c_cflag;
channel->ch_c_iflag = termios->c_iflag;
@@ -259,6 +261,7 @@ static int jsm_tty_open(struct uart_port *port)
jsm_carrier(channel);
channel->ch_open_count++;
+ spin_unlock_irqrestore(&port->lock, lock_flags);
jsm_dbg(OPEN, &channel->ch_bd->pci_dev, "finish\n");
return 0;
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 97ee1fc1cd24..ecff9b208808 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1763,6 +1763,10 @@ static irqreturn_t sci_br_interrupt(int irq, void *ptr)
/* Handle BREAKs */
sci_handle_breaks(port);
+
+ /* drop invalid character received before break was detected */
+ serial_port_in(port, SCxRDR);
+
sci_clear_SCxSR(port, SCxSR_BREAK_CLEAR(port));
return IRQ_HANDLED;
@@ -1842,7 +1846,8 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
ret = sci_er_interrupt(irq, ptr);
/* Break Interrupt */
- if ((ssr_status & SCxSR_BRK(port)) && err_enabled)
+ if (s->irqs[SCIx_ERI_IRQ] != s->irqs[SCIx_BRI_IRQ] &&
+ (ssr_status & SCxSR_BRK(port)) && err_enabled)
ret = sci_br_interrupt(irq, ptr);
/* Overrun Interrupt */