Re: [PATCH V2 07/25] MIPS: ath79: enable uart during early_prink

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 07/20/2018 02:58 PM, John Crispin wrote:

> From: Gabor Juhos <juhosg@xxxxxxxxxxx>
> 
> This patch ensures, that the poinmux register is properly setup for the

   Pinmux.

> boot console uart when early_printk is enabled.

   UART (else my spell-checker trips over it).

> 
> Signed-off-by: Gabor Juhos <juhosg@xxxxxxxxxxx>
> Signed-off-by: John Crispin <john@xxxxxxxxxxx>
> ---
>  arch/mips/ath79/early_printk.c | 44 +++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 43 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/mips/ath79/early_printk.c b/arch/mips/ath79/early_printk.c
> index d6c892cf01b1..2024a0bb9144 100644
> --- a/arch/mips/ath79/early_printk.c
> +++ b/arch/mips/ath79/early_printk.c
> @@ -58,6 +58,46 @@ static void prom_putchar_dummy(unsigned char ch)
>  	/* nothing to do */
>  }
>  
> +static void prom_enable_uart(u32 id)
> +{
> +	void __iomem *gpio_base;
> +	u32 uart_en;
> +	u32 t;
[...]
> +	gpio_base = (void __iomem *)(KSEG1ADDR(AR71XX_GPIO_BASE));

   Are the parens around KSEG1ADDR() really needed?

[...]

MBR, Sergei




[Index of Archives]     [Linux MIPS Home]     [LKML Archive]     [Linux ARM Kernel]     [Linux ARM]     [Linux]     [Git]     [Yosemite News]     [Linux SCSI]     [Linux Hams]

  Powered by Linux