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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 21:00:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 21:00:30 +0000 |
commit | e54def4ad8144ab15f826416e2e0f290ef1901b4 (patch) | |
tree | 583f8d4bd95cd67c44ff37b878a7eddfca9ab97a /drivers/tty/serial/sifive.c | |
parent | Adding upstream version 6.8.12. (diff) | |
download | linux-e54def4ad8144ab15f826416e2e0f290ef1901b4.tar.xz linux-e54def4ad8144ab15f826416e2e0f290ef1901b4.zip |
Adding upstream version 6.9.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/tty/serial/sifive.c')
-rw-r--r-- | drivers/tty/serial/sifive.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/tty/serial/sifive.c b/drivers/tty/serial/sifive.c index a4cc569a78..0670fd9f84 100644 --- a/drivers/tty/serial/sifive.c +++ b/drivers/tty/serial/sifive.c @@ -412,7 +412,8 @@ static void __ssp_receive_chars(struct sifive_serial_port *ssp) break; ssp->port.icount.rx++; - uart_insert_char(&ssp->port, 0, 0, ch, TTY_NORMAL); + if (!uart_prepare_sysrq_char(&ssp->port, ch)) + uart_insert_char(&ssp->port, 0, 0, ch, TTY_NORMAL); } tty_flip_buffer_push(&ssp->port.state->port); @@ -534,7 +535,7 @@ static irqreturn_t sifive_serial_irq(int irq, void *dev_id) if (ip & SIFIVE_SERIAL_IP_TXWM_MASK) __ssp_transmit_chars(ssp); - uart_port_unlock(&ssp->port); + uart_unlock_and_check_sysrq(&ssp->port); return IRQ_HANDLED; } @@ -791,13 +792,10 @@ static void sifive_serial_console_write(struct console *co, const char *s, if (!ssp) return; - local_irq_save(flags); - if (ssp->port.sysrq) - locked = 0; - else if (oops_in_progress) - locked = uart_port_trylock(&ssp->port); + if (oops_in_progress) + locked = uart_port_trylock_irqsave(&ssp->port, &flags); else - uart_port_lock(&ssp->port); + uart_port_lock_irqsave(&ssp->port, &flags); ier = __ssp_readl(ssp, SIFIVE_SERIAL_IE_OFFS); __ssp_writel(0, SIFIVE_SERIAL_IE_OFFS, ssp); @@ -807,8 +805,7 @@ static void sifive_serial_console_write(struct console *co, const char *s, __ssp_writel(ier, SIFIVE_SERIAL_IE_OFFS, ssp); if (locked) - uart_port_unlock(&ssp->port); - local_irq_restore(flags); + uart_port_unlock_irqrestore(&ssp->port, flags); } static int sifive_serial_console_setup(struct console *co, char *options) |