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| author |  Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| 2024-04-23 13:24:45 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| 2024-04-23 13:24:45 +0200 |
| commit | 660a708098569a66a47d0abdad998e29e1259de6 (patch) | |
| tree | 513d7f3cda11cb65f91a6f55b72308accf079c8d /drivers/tty/serial/pmac_zilog.c | |
| parent | serial: msm: check dma_map_sg() return value properly (diff) | |
| parent | Linux 6.9-rc5 (diff) | |
| download | linux-660a708098569a66a47d0abdad998e29e1259de6.tar.gz linux-660a708098569a66a47d0abdad998e29e1259de6.tar.bz2 linux-660a708098569a66a47d0abdad998e29e1259de6.zip | |
Merge 6.9-rc5 into tty-next
We want the tty fixes in here as well, and it resolves a merge conflict
in:
drivers/tty/serial/serial_core.c
as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/pmac_zilog.c')
| -rw-r--r-- | drivers/tty/serial/pmac_zilog.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c index b6909dcb137d..8969b11cc0a9 100644 --- a/drivers/tty/serial/pmac_zilog.c +++ b/drivers/tty/serial/pmac_zilog.c @@ -210,7 +210,6 @@ static bool pmz_receive_chars(struct uart_pmac_port *uap) { struct tty_port *port; unsigned char ch, r1, drop, flag; - int loops = 0; /* Sanity check, make sure the old bug is no longer happening */ if (uap->port.state == NULL) { @@ -291,25 +290,12 @@ static bool pmz_receive_chars(struct uart_pmac_port *uap) if (r1 & Rx_OVR) tty_insert_flip_char(port, 0, TTY_OVERRUN); next_char: - /* We can get stuck in an infinite loop getting char 0 when the - * line is in a wrong HW state, we break that here. - * When that happens, I disable the receive side of the driver. - * Note that what I've been experiencing is a real irq loop where - * I'm getting flooded regardless of the actual port speed. - * Something strange is going on with the HW - */ - if ((++loops) > 1000) - goto flood; ch = read_zsreg(uap, R0); if (!(ch & Rx_CH_AV)) break; } return true; - flood: - pmz_interrupt_control(uap, 0); - pmz_error("pmz: rx irq flood !\n"); - return true; } static void pmz_status_handle(struct uart_pmac_port *uap) |