Re: [PATCH] serial_core: support native endianness
From: Jiri Slaby <hidden>
Date: 2015-09-22 11:45:11
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On 09/22/2015, 01:34 PM, Max Filippov wrote: NACK until you provide a useful commit log including description why this is needed.
quoted hunk ↗ jump to hunk
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> --- drivers/tty/serial/serial_core.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index f368520..84b5695 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c@@ -1826,8 +1826,8 @@ 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|mmio32|mmio32be|mmio32native,<addr>,<options> + * console=<name>,io|mmio|mmio32|mmio32be|mmio32native,<addr>,<options> * * The optional form * earlycon=<name>,0x<addr>,<options>@@ -1848,6 +1848,10 @@ int uart_parse_earlycon(char *p, unsigned char *iotype, unsigned long *addr, } else if (strncmp(p, "mmio32be,", 9) == 0) { *iotype = UPIO_MEM32BE; p += 9; + } else if (strncmp(p, "mmio32native,", 13) == 0) { + *iotype = IS_ENABLED(CONFIG_CPU_BIG_ENDIAN) ? + UPIO_MEM32BE : UPIO_MEM32; + p += 13; } else if (strncmp(p, "io,", 3) == 0) { *iotype = UPIO_PORT; p += 3;
thanks, -- js suse labs