[U-Boot] [PATCH V2 1/3] sunxi: Use clrsetbits_le32 instead of multiple instruction

[Jagan Teki]

On Thu, Feb 14, 2019 at 9:28 PM Michael Trimarchi
<michael at amarulasolutions.com> wrote:
>
> Signed-off-by: Michael Trimarchi <michael at amarulasolutions.com>
> ---
>
> V1->V2: none
>
> ---
>  arch/arm/mach-sunxi/dram_sun8i_a33.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm/mach-sunxi/dram_sun8i_a33.c b/arch/arm/mach-sunxi/dram_sun8i_a33.c
> index 1da2727f98..83212aaddf 100644
> --- a/arch/arm/mach-sunxi/dram_sun8i_a33.c
> +++ b/arch/arm/mach-sunxi/dram_sun8i_a33.c
> @@ -148,12 +148,8 @@ static void auto_set_timing_para(struct dram_para *para)
>         reg_val = (tcksrx << 24) | (tcksre << 16) | (tckesr << 8) | (tcke << 0);
>         writel(reg_val, &mctl_ctl->dramtmg5);
>         /* Set two rank timing and exit self-refresh timing */
> -       reg_val = readl(&mctl_ctl->dramtmg8);
> -       reg_val &= ~(0xff << 8);
> -       reg_val &= ~(0xff << 0);

these are clr

> -       reg_val |= (0x33 << 8);
> -       reg_val |= (0x8 << 0);

these are set

> -       writel(reg_val, &mctl_ctl->dramtmg8);
> +       clrsetbits_le32(&mctl_ctl->dramtmg8, (0xff << 8) | (0xff << 0),
> +                       0x33 << 8 | (0x8 << 0));