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Groups > linux.kernel > #1256760
| From | Peter Hurley <peter@hurleysoftware.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3] serial: support 16-bit register interface for console |
| Date | 2015-10-27 15:00 +0100 |
| Message-ID | <qocX8-5RG-15@gated-at.bofh.it> (permalink) |
| References | <qnHqh-3zS-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi Masahiro, On 10/26/2015 12:11 AM, Masahiro Yamada wrote: > Currently, 8-bit (MMIO) and 32-bit (MMIO32) register interfaces are > supported for the 8250 console, but the 16-bit (MMIO16) is not. > The 8250 UART device on my board is connected to a 16-bit bus > and my main motivation is to use earlycon with it. > (Refer to arch/arm/boot/dts/uniphier-support-card.dtsi) As I noted in reviewing v2, the patch hunk below does not apply. You must rebase your changes on top of Greg's tty-next tree. Regards, Peter Hurley > diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c > index 603d2cc..325acce 100644 > --- a/drivers/tty/serial/serial_core.c > +++ b/drivers/tty/serial/serial_core.c > @@ -1819,8 +1819,8 @@ uart_get_console(struct uart_port *ports, int nr, struct console *co) > * @options: ptr for <options> field; NULL if not present (out) > * > * Decodes earlycon kernel command line parameters of the form > - * earlycon=<name>,io|mmio|mmio32|mmio32be,<addr>,<options> > - * console=<name>,io|mmio|mmio32|mmio32be,<addr>,<options> > + * earlycon=<name>,io|mmio|mmio16|mmio32|mmio32be,<addr>,<options> > + * console=<name>,io|mmio|mmio16|mmio32|mmio32be,<addr>,<options> > * > * The optional form > * earlycon=<name>,0x<addr>,<options> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v3] serial: support 16-bit register interface for console Masahiro Yamada <yamada.masahiro@socionext.com> - 2015-10-26 05:20 +0100
Re: [PATCH v3] serial: support 16-bit register interface for console Peter Hurley <peter@hurleysoftware.com> - 2015-10-27 15:00 +0100
Re: [PATCH v3] serial: support 16-bit register interface for console Masahiro Yamada <yamada.masahiro@socionext.com> - 2015-10-28 04:30 +0100
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