On Thu, Aug 06, 2015 at 10:57:16PM -0700, Guenter Roeck wrote:
> Commit 3adeb2566b9b ("MIPS: Loongson: Improve LEFI firmware interface")
> made the number of UARTs dynamic if LEFI_FIRMWARE_INTERFACE is configured.
> Unfortunately, it did not initialize the number of UARTs if
> LEFI_FIRMWARE_INTERFACE is not configured. As a result, the Fulong2e
> system has no console.
>
> Fixes: 3adeb2566b9b ("MIPS: Loongson: Improve LEFI firmware interface")
> Cc: Huacai Chen <chenhc@xxxxxxxxxx>
> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Hello Ralf,
please let me know if anything is wrong with this patch.
Should I resend with Huacai Chen's Ack and capital MIPS in the subject line ?
Thanks,
Guenter
> ---
> Never mind my earlier e-mail, I figured it out.
> Should be a candidate for stable (v3.19+, ie v4.1 in practice).
>
> arch/mips/loongson64/common/env.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/mips/loongson64/common/env.c b/arch/mips/loongson64/common/env.c
> index f6c44dd332e2..d6d07ad56180 100644
> --- a/arch/mips/loongson64/common/env.c
> +++ b/arch/mips/loongson64/common/env.c
> @@ -64,6 +64,9 @@ void __init prom_init_env(void)
> }
> if (memsize == 0)
> memsize = 256;
> +
> + loongson_sysconf.nr_uarts = 1;
> +
> pr_info("memsize=%u, highmemsize=%u\n", memsize, highmemsize);
> #else
> struct boot_params *boot_p;
