linux-kernel - Re: [PATCH 2/2] clk: qcom: ipq6018: fix networking resets

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Date:   Fri, 26 May 2023 22:52:05 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Robert Marko <robimarko@...il.com>, andersson@...nel.org,
        agross@...nel.org, mturquette@...libre.com, sboyd@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] clk: qcom: ipq6018: fix networking resets



On 26.05.2023 21:08, Robert Marko wrote:
> Networking resets in IPQ6018 all use bitmask as they require multiple
> bits to be set and cleared instead of a single bit.
> 
> So, current networking resets have the same register and bit 0 set which
> is clearly incorrect.
> 
> Fixes: d9db07f088af ("clk: qcom: Add ipq6018 Global Clock Controller support")
> Signed-off-by: Robert Marko <robimarko@...il.com>
> ---
>  drivers/clk/qcom/gcc-ipq6018.c | 32 ++++++++++++++++----------------
>  1 file changed, 16 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/clk/qcom/gcc-ipq6018.c b/drivers/clk/qcom/gcc-ipq6018.c
> index abd97b939850f..b8310f29a8ff4 100644
> --- a/drivers/clk/qcom/gcc-ipq6018.c
> +++ b/drivers/clk/qcom/gcc-ipq6018.c
> @@ -4520,24 +4520,24 @@ static const struct qcom_reset_map gcc_ipq6018_resets[] = {
>  	[GCC_PCIE0_AHB_ARES] = { 0x75040, 5 },
>  	[GCC_PCIE0_AXI_MASTER_STICKY_ARES] = { 0x75040, 6 },
>  	[GCC_PCIE0_AXI_SLAVE_STICKY_ARES] = { 0x75040, 7 },
> -	[GCC_PPE_FULL_RESET] = { 0x68014, 0 },
> -	[GCC_UNIPHY0_SOFT_RESET] = { 0x56004, 0 },
> +	[GCC_PPE_FULL_RESET] = { .reg = 0x68014, .bitmask = 0xf0000 },
GENMASK / GENMASK|GENMASK / GENMASK|BIT?

Konrad
> +	[GCC_UNIPHY0_SOFT_RESET] = { .reg = 0x56004, .bitmask = 0x3ff2 },
>  	[GCC_UNIPHY0_XPCS_RESET] = { 0x56004, 2 },
> -	[GCC_UNIPHY1_SOFT_RESET] = { 0x56104, 0 },
> +	[GCC_UNIPHY1_SOFT_RESET] = { .reg = 0x56104, .bitmask = 0x32 },
>  	[GCC_UNIPHY1_XPCS_RESET] = { 0x56104, 2 },
> -	[GCC_EDMA_HW_RESET] = { 0x68014, 0 },
> -	[GCC_NSSPORT1_RESET] = { 0x68014, 0 },
> -	[GCC_NSSPORT2_RESET] = { 0x68014, 0 },
> -	[GCC_NSSPORT3_RESET] = { 0x68014, 0 },
> -	[GCC_NSSPORT4_RESET] = { 0x68014, 0 },
> -	[GCC_NSSPORT5_RESET] = { 0x68014, 0 },
> -	[GCC_UNIPHY0_PORT1_ARES] = { 0x56004, 0 },
> -	[GCC_UNIPHY0_PORT2_ARES] = { 0x56004, 0 },
> -	[GCC_UNIPHY0_PORT3_ARES] = { 0x56004, 0 },
> -	[GCC_UNIPHY0_PORT4_ARES] = { 0x56004, 0 },
> -	[GCC_UNIPHY0_PORT5_ARES] = { 0x56004, 0 },
> -	[GCC_UNIPHY0_PORT_4_5_RESET] = { 0x56004, 0 },
> -	[GCC_UNIPHY0_PORT_4_RESET] = { 0x56004, 0 },
> +	[GCC_EDMA_HW_RESET] = { .reg = 0x68014, .bitmask = 0x300000 },
> +	[GCC_NSSPORT1_RESET] = { .reg = 0x68014, .bitmask = 0x1000003 },
> +	[GCC_NSSPORT2_RESET] = { .reg = 0x68014, .bitmask = 0x200000c },
> +	[GCC_NSSPORT3_RESET] = { .reg = 0x68014, .bitmask = 0x4000030 },
> +	[GCC_NSSPORT4_RESET] = { .reg = 0x68014, .bitmask = 0x8000300 },
> +	[GCC_NSSPORT5_RESET] = { .reg = 0x68014, .bitmask = 0x10000c00 },
> +	[GCC_UNIPHY0_PORT1_ARES] = { .reg = 0x56004, .bitmask = 0x30 },
> +	[GCC_UNIPHY0_PORT2_ARES] = { .reg = 0x56004, .bitmask = 0xc0 },
> +	[GCC_UNIPHY0_PORT3_ARES] = { .reg = 0x56004, .bitmask = 0x300 },
> +	[GCC_UNIPHY0_PORT4_ARES] = { .reg = 0x56004, .bitmask = 0xc00 },
> +	[GCC_UNIPHY0_PORT5_ARES] = { .reg = 0x56004, .bitmask = 0x3000 },
> +	[GCC_UNIPHY0_PORT_4_5_RESET] = { .reg = 0x56004, .bitmask = 0x3c02 },
> +	[GCC_UNIPHY0_PORT_4_RESET] = { .reg = 0x56004, .bitmask = 0xc02 },
>  	[GCC_LPASS_BCR] = {0x1F000, 0},
>  	[GCC_UBI32_TBU_BCR] = {0x65000, 0},
>  	[GCC_LPASS_TBU_BCR] = {0x6C000, 0},