Re: [PATCH] phy: qcom-snps: Correct the FSEL_MASK

From: Stephen Boyd
Date: Thu Oct 21 2021 - 13:35:45 EST


Quoting Sandeep Maheswaram (2021-10-19 23:36:25)
> The FSEL_MASK which selects the refclock is defined incorrectly.
> It should be [4:6] not [5:7]. Due to this incorrect definition, the BIT(7)
> in USB2_PHY_USB_PHY_HS_PHY_CTRL_COMMON1 is reset which keeps PHY analog
> blocks ON during suspend.
> Fix this issue by correctly defining the FSEL_MASK.
>
> Signed-off-by: Sandeep Maheswaram <quic_c_sanm@xxxxxxxxxxx>

Any Fixes tag?

> ---
> drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c b/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c
> index ae4bac0..28459a1 100644
> --- a/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c
> +++ b/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c
> @@ -1,6 +1,7 @@
> // SPDX-License-Identifier: GPL-2.0
> /*
> * Copyright (c) 2020, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2021, Qualcomm Innovation Center, Inc. All rights reserved.

I never thought I'd see this again! :)

> */
>
> #include <linux/clk.h>
> @@ -33,7 +34,7 @@
>
> #define USB2_PHY_USB_PHY_HS_PHY_CTRL_COMMON0 (0x54)
> #define RETENABLEN BIT(3)
> -#define FSEL_MASK GENMASK(7, 5)
> +#define FSEL_MASK GENMASK(6, 4)
> #define FSEL_DEFAULT (0x3 << 4)
>
> #define USB2_PHY_USB_PHY_HS_PHY_CTRL_COMMON1 (0x58)