Re: [PATCH] phy: exynos5-drd: Fix PHYPARAM1_PCS_TXDEEMPH definition

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On Mon, Sep 22, 2014 at 7:06 AM, Anton Tikhomirov
<av.tikhomirov@xxxxxxxxxxx> wrote:
> According to user manual, pcs_tx_deemph_3p5db field in PHYPARAM1
> register is 6bits wide, so mask value should be 0x3f instead
> of 0x1f. Additionally, this patch renames the macro to correctly
> reflect the field name which we see in SoC documentation.
>
> Signed-off-by: Anton Tikhomirov <av.tikhomirov@xxxxxxxxxxx>
> ---
>  drivers/phy/phy-exynos5-usbdrd.c |   12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>

you can add my reviewed-by
Reviewed-by: Vivek Gautam <gautam.vivek@xxxxxxxxxxx>

[snip]

> diff --git a/drivers/phy/phy-exynos5-usbdrd.c b/drivers/phy/phy-exynos5-
> usbdrd.c
> index 392101c..216bbf8 100644
> --- a/drivers/phy/phy-exynos5-usbdrd.c
> +++ b/drivers/phy/phy-exynos5-usbdrd.c
> @@ -99,8 +99,8 @@
>
>  #define EXYNOS5_DRD_PHYPARAM1                  0x20
>
> -#define PHYPARAM1_PCS_TXDEEMPH_MASK            (0x1f << 0)
> -#define PHYPARAM1_PCS_TXDEEMPH                 (0x1c)
> +#define PHYPARAM1_PCS_TXDEEMPH_3P5DB_MASK              (0x3f << 0)
> +#define PHYPARAM1_PCS_TXDEEMPH_3P5DB                   (0x1c)
>
>  #define EXYNOS5_DRD_PHYTERM                    0x24
>
> @@ -309,8 +309,8 @@ static void exynos5_usbdrd_pipe3_init(struct
> exynos5_usbdrd_phy *phy_drd)
>
>         reg = readl(phy_drd->reg_phy + EXYNOS5_DRD_PHYPARAM1);
>         /* Set Tx De-Emphasis level */
> -       reg &= ~PHYPARAM1_PCS_TXDEEMPH_MASK;
> -       reg |=  PHYPARAM1_PCS_TXDEEMPH;
> +       reg &= ~PHYPARAM1_PCS_TXDEEMPH_3P5DB_MASK;
> +       reg |=  PHYPARAM1_PCS_TXDEEMPH_3P5DB;
>         writel(reg, phy_drd->reg_phy + EXYNOS5_DRD_PHYPARAM1);
>
>         reg = readl(phy_drd->reg_phy + EXYNOS5_DRD_PHYTEST);
> @@ -330,8 +330,8 @@ static void exynos5_usbdrd_utmi_init(struct
> exynos5_usbdrd_phy *phy_drd)
>
>         reg = readl(phy_drd->reg_phy + EXYNOS5_DRD_PHYPARAM1);
>         /* Set Tx De-Emphasis level */
> -       reg &= ~PHYPARAM1_PCS_TXDEEMPH_MASK;
> -       reg |=  PHYPARAM1_PCS_TXDEEMPH;
> +       reg &= ~PHYPARAM1_PCS_TXDEEMPH_3P5DB_MASK;
> +       reg |=  PHYPARAM1_PCS_TXDEEMPH_3P5DB;
>         writel(reg, phy_drd->reg_phy + EXYNOS5_DRD_PHYPARAM1);
>
>         /* UTMI Power Control */
> --
> 1.7.9.5
>
>
> --
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-- 
Best Regards
Vivek Gautam
Samsung R&D Institute, Bangalore
India
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