linux-kernel - Re: [PATCH v4 5/5] dmaengine: imx-sdma: Add i2c dma support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZhKBhqCv22D1VewL@matsya>
Date: Sun, 7 Apr 2024 16:50:38 +0530
From: Vinod Koul <vkoul@...nel.org>
To: Frank Li <Frank.Li@....com>
Cc: Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	NXP Linux Team <linux-imx@....com>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>, Joy Zou <joy.zou@....com>,
	dmaengine@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, Robin Gong <yibin.gong@....com>,
	Clark Wang <xiaoning.wang@....com>,
	Daniel Baluta <daniel.baluta@....com>
Subject: Re: [PATCH v4 5/5] dmaengine: imx-sdma: Add i2c dma support

On 29-03-24, 10:34, Frank Li wrote:
> From: Robin Gong <yibin.gong@....com>
> 
> New sdma script (sdma-6q: v3.6, sdma-7d: v4.6) support i2c at imx8mp and
> imx6ull. So add I2C dma support.
> 
> Signed-off-by: Robin Gong <yibin.gong@....com>
> Acked-by: Clark Wang <xiaoning.wang@....com>
> Reviewed-by: Joy Zou <joy.zou@....com>
> Reviewed-by: Daniel Baluta <daniel.baluta@....com>
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  drivers/dma/imx-sdma.c      | 7 +++++++
>  include/linux/dma/imx-dma.h | 1 +
>  2 files changed, 8 insertions(+)
> 
> diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
> index f68ab34a3c880..1ab8a7d3a50dc 100644
> --- a/drivers/dma/imx-sdma.c
> +++ b/drivers/dma/imx-sdma.c
> @@ -251,6 +251,8 @@ struct sdma_script_start_addrs {
>  	s32 sai_2_mcu_addr;
>  	s32 uart_2_mcu_rom_addr;
>  	s32 uartsh_2_mcu_rom_addr;
> +	s32 i2c_2_mcu_addr;
> +	s32 mcu_2_i2c_addr;
>  	/* End of v3 array */
>  	s32 mcu_2_zqspi_addr;
>  	/* End of v4 array */
> @@ -1081,6 +1083,11 @@ static int sdma_get_pc(struct sdma_channel *sdmac,
>  		per_2_emi = sdma->script_addrs->sai_2_mcu_addr;
>  		emi_2_per = sdma->script_addrs->mcu_2_sai_addr;
>  		break;
> +	case IMX_DMATYPE_I2C:
> +		per_2_emi = sdma->script_addrs->i2c_2_mcu_addr;
> +		emi_2_per = sdma->script_addrs->mcu_2_i2c_addr;
> +		sdmac->is_ram_script = true;
> +		break;
>  	case IMX_DMATYPE_HDMI:
>  		emi_2_per = sdma->script_addrs->hdmi_dma_addr;
>  		sdmac->is_ram_script = true;
> diff --git a/include/linux/dma/imx-dma.h b/include/linux/dma/imx-dma.h
> index cfec5f946e237..76a8de9ae1517 100644
> --- a/include/linux/dma/imx-dma.h
> +++ b/include/linux/dma/imx-dma.h
> @@ -41,6 +41,7 @@ enum sdma_peripheral_type {
>  	IMX_DMATYPE_SAI,	/* SAI */
>  	IMX_DMATYPE_MULTI_SAI,	/* MULTI FIFOs For Audio */
>  	IMX_DMATYPE_HDMI,       /* HDMI Audio */
> +	IMX_DMATYPE_I2C,	/* I2C */

I have HDMI Audio: 26 already?

-- 
~Vinod