linux-kernel - Re: [PATCH v6 2/2] i2c: i2c-qcom-geni: Add Block event interrupt support

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Message-ID: <d15e5b43-f0bd-466a-9a2a-790eb0cf0c48@oracle.com>
Date: Wed, 7 May 2025 07:51:18 +0530
From: ALOK TIWARI <alok.a.tiwari@...cle.com>
To: Jyothi Kumar Seerapu <quic_jseerapu@...cinc.com>,
        Vinod Koul <vkoul@...nel.org>,
        Mukesh Kumar Savaliya <quic_msavaliy@...cinc.com>,
        Viken Dadhaniya <quic_vdadhani@...cinc.com>,
        Andi Shyti <andi.shyti@...nel.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Christian König <christian.koenig@....com>
Cc: linux-arm-msm@...r.kernel.org, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linaro-mm-sig@...ts.linaro.org, quic_vtanuku@...cinc.com
Subject: Re: [PATCH v6 2/2] i2c: i2c-qcom-geni: Add Block event interrupt
 support



On 06-05-2025 16:48, Jyothi Kumar Seerapu wrote:
> +/**
> + * struct geni_i2c_dev - I2C Geni device specific structure
> + *
> + * @se: geni serial engine
> + * @tx_wm: Tx watermark level
> + * @irq: i2c serial engine interrupt
> + * @err: specifies error codes in i2c transfer failures
> + * @adap: i2c geni adapter
> + * @done: completion variable
> + * @cur: pointer to the i2c_msg mentioning current i2c message in use
> + * @cur_wr: variable used for i2c write opertions

typo opertions -> operations

> + * @cur_rd: variable used for i2c read operations
> + * @lock: spinlock variable used for synchronization
> + * @core_clk: pointer to clk
> + * @clk_freq_out: contains the i2c clock frequency
> + * @clk_fld: pointer to geni_i2c_clk_fld
> + * @suspended: flag used for system supend status

typo supend -> suspend

> + * @dma_buf: virtual address of the buffer
> + * @xfer_len: holds length for the dma operation
> + * @dma_addr: dma address of the buffer
> + * @tx_c: Tx dma channel
> + * @rx_c: Rx dma channel
> + * @gpi_mode: GPI DMA mode of operation
> + * @abort_done: true for marking i2c abort transfer
> + * @is_tx_multi_desc_xfer: true for i2c multi transfer support
> + * @num_msgs: number of i2c messages in a transfer
> + * @tx_irq_cnt: flag used for tx irq count in i2c multi transfer
> + * @i2c_multi_desc_config: used for multi transfer support
> + */
>   struct geni_i2c_dev {
>   	struct geni_se se;
>   	u32 tx_wm;
> @@ -100,6 +156,10 @@ struct geni_i2c_dev {
>   	struct dma_chan *rx_c;
>   	bool gpi_mode;
>   	bool abort_done;
> +	bool is_tx_multi_desc_xfer;
> +	u32 num_msgs;
> +	u32 tx_irq_cnt;
> +	struct geni_i2c_gpi_multi_desc_xfer i2c_multi_desc_config;
>   };
>   


Thanks,
Alok