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Message-ID: <63167c3f-f583-4b2d-83c8-632827594ebb@ti.com>
Date: Mon, 3 Jun 2024 22:46:18 +0530
From: "Kumar, Udit" <u-kumar1@...com>
To: Shree Ramamoorthy <s-ramamoorthy@...com>, <lgirdwood@...il.com>,
        <linux-kernel@...r.kernel.org>
CC: <m-leonard@...com>, <n-francis@...com>, <bhargav.r@...s.com>,
        <m.nirmaladevi@...s.com>, <vigneshr@...com>
Subject: Re: [PATCH v1 1/1] Correct nr_types assignment for TPS6594/3 and
 TPS65224


On 6/3/2024 10:35 PM, Shree Ramamoorthy wrote:
> Swap nr_types assignment for TPS6594/3 and TPS65224.
> Issue detected with v6.10-rc1 and tested using a TI J7200 EVM board.


Please prefix line, where you want this patch to go

like tiL6.6 or so


> Log:
> [   13.974024] Call trace:
> [   13.974025]  _regulator_put.part.0+0x40/0x48
> [   13.974028]  regulator_register+0x2b0/0xa00
> [   13.974031]  devm_regulator_register+0x58/0xa0
> [   13.974035]  tps6594_regulator_probe+0x4e0/0x5f0 [tps6594_regulator]
> ...
> [   13.974178] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000004
>
> Signed-off-by: Shree Ramamoorthy <s-ramamoorthy@...com>
> ---
>   drivers/regulator/tps6594-regulator.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/regulator/tps6594-regulator.c b/drivers/regulator/tps6594-regulator.c
> index 4a859f4c0f83..b66608ab2546 100644
> --- a/drivers/regulator/tps6594-regulator.c
> +++ b/drivers/regulator/tps6594-regulator.c
> @@ -660,11 +660,11 @@ static int tps6594_regulator_probe(struct platform_device *pdev)
>   	} else if (tps->chip_id == TPS65224) {
>   		nr_buck = ARRAY_SIZE(tps65224_buck_regs);
>   		nr_ldo = ARRAY_SIZE(tps65224_ldo_regs);
> -		nr_types = REGS_INT_NB;
> +		nr_types = TPS65224_REGS_INT_NB;
>   	} else {
>   		nr_buck = ARRAY_SIZE(buck_regs);
>   		nr_ldo = ARRAY_SIZE(tps6594_ldo_regs);
> -		nr_types = TPS65224_REGS_INT_NB;
> +		nr_types = REGS_INT_NB;
>   	}
>   
>   	reg_irq_nb = nr_types * (nr_buck + nr_ldo);
> --

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