[PATCH] ARM: socfpga: remove unused fpgaintf setup

Sascha Hauer s.hauer at pengutronix.de
Fri Jun 30 04:32:47 PDT 2017


On Fri, Jun 30, 2017 at 10:08:22AM +0200, Steffen Trumtrar wrote:
> The disable bits for the ethernet interfaces between FPGA and HPS are read
> and configured, but never written back.
> The configuration itself doesn't make that much sense however. So instead of
> writing it back to the register, remove the whole read-modify operation altogether.
> 
> Reported-by: Ian Abbott <abbotti at mev.co.uk>
> Signed-off-by: Steffen Trumtrar <s.trumtrar at pengutronix.de>
> ---
>  arch/arm/mach-socfpga/arria10-generic.c | 8 --------
>  1 file changed, 8 deletions(-)
> 

Applied, thanks

Sascha

> diff --git a/arch/arm/mach-socfpga/arria10-generic.c b/arch/arm/mach-socfpga/arria10-generic.c
> index b8129eaf23ff..6a10c19d1417 100644
> --- a/arch/arm/mach-socfpga/arria10-generic.c
> +++ b/arch/arm/mach-socfpga/arria10-generic.c
> @@ -37,14 +37,6 @@ static void arria10_init_emac(void)
>  	val |= ARRIA10_SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII;
>  	writel(val, ARRIA10_SYSMGR_EMAC2);
>  
> -	val = readl(ARRIA10_SYSMGR_FPGAINTF_EN_3);
> -	val &= ~(ARRIA10_SYSMGR_FPGAINTF_EN3_EMAC0 |
> -		 ARRIA10_SYSMGR_FPGAINTF_EN3_EMAC0_SW |
> -		 ARRIA10_SYSMGR_FPGAINTF_EN3_EMAC1 |
> -		 ARRIA10_SYSMGR_FPGAINTF_EN3_EMAC1_SW |
> -		 ARRIA10_SYSMGR_FPGAINTF_EN3_EMAC2 |
> -		 ARRIA10_SYSMGR_FPGAINTF_EN3_EMAC2_SW);
> -
>  	rst = readl(ARRIA10_RSTMGR_ADDR + ARRIA10_RSTMGR_PER0MODRST);
>  	rst &= ~(ARRIA10_RSTMGR_PER0MODRST_EMAC0 |
>  		 ARRIA10_RSTMGR_PER0MODRST_EMAC1 |
> -- 
> 2.11.0
> 
> 
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