Message ID | 20230320122225.414976-1-biju.das.jz@bp.renesas.com (mailing list archive) |
---|---|
State | Superseded |
Delegated to: | Geert Uytterhoeven |
Headers | show |
Series | serial: 8250_em: Fix UART port type | expand |
On Mon, Mar 20, 2023 at 12:22:25PM +0000, Biju Das wrote: > commit 32e293be736b853f168cd065d9cbc1b0c69f545d upstream. > > As per HW manual for EMEV2 "R19UH0040EJ0400 Rev.4.00", the UART > IP found on EMMA mobile SoC is Register-compatible with the > general-purpose 16750 UART chip. Fix UART port type as 16750 and > enable 64-bytes fifo support. > > Fixes: 22886ee96895 ("serial8250-em: Emma Mobile UART driver V2") > Cc: stable@vger.kernel.org # 4.19.y > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > Link: https://lore.kernel.org/r/20230227114152.22265-2-biju.das.jz@bp.renesas.com > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > [biju: manually fixed the conflicts] > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > --- > Resending to 4.19 with confilcts [1] fixed. > [1] https://lore.kernel.org/stable/1679303539169236@kroah.com/ Both now queued up, thanks. greg k-h
diff --git a/drivers/tty/serial/8250/8250_em.c b/drivers/tty/serial/8250/8250_em.c index 2a76e22d2ec0..5670c8a267d8 100644 --- a/drivers/tty/serial/8250/8250_em.c +++ b/drivers/tty/serial/8250/8250_em.c @@ -102,8 +102,8 @@ static int serial8250_em_probe(struct platform_device *pdev) memset(&up, 0, sizeof(up)); up.port.mapbase = regs->start; up.port.irq = irq->start; - up.port.type = PORT_UNKNOWN; - up.port.flags = UPF_BOOT_AUTOCONF | UPF_FIXED_PORT | UPF_IOREMAP; + up.port.type = PORT_16750; + up.port.flags = UPF_FIXED_PORT | UPF_IOREMAP | UPF_FIXED_TYPE; up.port.dev = &pdev->dev; up.port.private_data = priv;