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Message-ID: <4c9b512f-59d2-4d96-a899-5af4de2c823e@kernel.org>
Date: Thu, 30 Jan 2025 08:46:30 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Raj Kumar Bhagat <quic_rajkbhag@...cinc.com>, ath12k@...ts.infradead.org
Cc: linux-wireless@...r.kernel.org, Kalle Valo <kvalo@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Jeff Johnson <jjohnson@...nel.org>,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 07/13] wifi: ath12k: add support for fixed QMI firmware
 memory

On 30/01/2025 05:35, Raj Kumar Bhagat wrote:
> @@ -2646,6 +2663,136 @@ static int ath12k_qmi_alloc_target_mem_chunk(struct ath12k_base *ab)
>  	return ret;
>  }
>  
> +static int ath12k_qmi_assign_target_mem_chunk(struct ath12k_base *ab)
> +{
> +	struct device_node *mem_node;
> +	struct resource res, m3_res;
> +	u32 bdf_start_addr;
> +	int i, idx, ret;
> +
> +	for (i = 0, idx = 0; i < ab->qmi.mem_seg_count; i++) {
> +		switch (ab->qmi.target_mem[i].type) {
> +		case HOST_DDR_REGION_TYPE:
> +			mem_node = ath12k_core_get_reserved_mem_by_name(ab, "q6-region");


Why cannot you use existing API for reserved memory -
of_reserved_mem_lookup()?

Best regards,
Krzysztof

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