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authorLinus Torvalds <torvalds@linux-foundation.org>2023-06-17 10:51:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-06-17 10:51:35 -0700
commit3c0eb44233122d076ca5c1ddf57807c82ecfb991 (patch)
tree92055b777348693ad05a8bac6c49e798b8f61b99
parentc6cf6be9dfb8098f2c2d26ebe53ad80843cdd2bc (diff)
parenta82c3df955f8c1c726e4976527aa6ae924a67dd9 (diff)
downloadlinux-3c0eb44233122d076ca5c1ddf57807c82ecfb991.tar.gz
Merge tag 'tty-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fixes from Greg KH: "Here are two small serial driver fixes for 6.4-rc7 that resolve some reported problems: - lantiq serial driver irq fix - fsl_lpuart serial driver watermark fix Both of these have been in linux-next this week with no reported issues" * tag 'tty-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: serial: fsl_lpuart: reduce RX watermark to 0 on LS1028A serial: lantiq: add missing interrupt ack
-rw-r--r--drivers/tty/serial/fsl_lpuart.c2
-rw-r--r--drivers/tty/serial/lantiq.c1
2 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 7486a2b8556c80..7fd30fcc10c623 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -310,7 +310,7 @@ static const struct lpuart_soc_data ls1021a_data = {
static const struct lpuart_soc_data ls1028a_data = {
.devtype = LS1028A_LPUART,
.iotype = UPIO_MEM32,
- .rx_watermark = 1,
+ .rx_watermark = 0,
};
static struct lpuart_soc_data imx7ulp_data = {
diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c
index a58e9277dfad87..f1387f1024dbb3 100644
--- a/drivers/tty/serial/lantiq.c
+++ b/drivers/tty/serial/lantiq.c
@@ -250,6 +250,7 @@ lqasc_err_int(int irq, void *_port)
struct ltq_uart_port *ltq_port = to_ltq_uart_port(port);
spin_lock_irqsave(&ltq_port->lock, flags);
+ __raw_writel(ASC_IRNCR_EIR, port->membase + LTQ_ASC_IRNCR);
/* clear any pending interrupts */
asc_update_bits(0, ASCWHBSTATE_CLRPE | ASCWHBSTATE_CLRFE |
ASCWHBSTATE_CLRROE, port->membase + LTQ_ASC_WHBSTATE);