[PATCH V2 11/13] i3c: mipi-i3c-hci-pci: Allocate a structure for Intel controller information

[Frank Li]

On Fri, Nov 14, 2025 at 08:13:54PM +0200, Adrian Hunter wrote:
> Allocate a structure for Intel controller information, in preparation
> additional changes that need to store Intel device-specific information.
>
> Signed-off-by: Adrian Hunter <adrian.hunter at intel.com>
> ---

I think this patch help less, you can direct squash to next one.

Frank
>
>
> Changes in V2:
>
> 	Re-based
>
>
>  drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c b/drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c
> index b962d3c2d510..3f391b0854ae 100644
> --- a/drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c
> +++ b/drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c
> @@ -18,6 +18,7 @@ struct mipi_i3c_hci_pci {
>  	struct pci_dev *pci;
>  	struct platform_device *pdev;
>  	const struct mipi_i3c_hci_pci_info *info;
> +	void *private;
>  };
>
>  struct mipi_i3c_hci_pci_info {
> @@ -34,6 +35,10 @@ static DEFINE_IDA(mipi_i3c_hci_pci_ida);
>  #define INTEL_RESETS_RESET_DONE		BIT(1)
>  #define INTEL_RESETS_TIMEOUT_US		(10 * USEC_PER_MSEC)
>
> +struct intel_host {
> +	void __iomem	*priv;
> +};
> +
>  static void intel_reset(void __iomem *priv)
>  {
>  	u32 reg;
> @@ -55,13 +60,17 @@ static void __iomem *intel_priv(struct pci_dev *pci)
>
>  static int intel_i3c_init(struct mipi_i3c_hci_pci *hci)
>  {
> +	struct intel_host *host = devm_kzalloc(&hci->pci->dev, sizeof(*host), GFP_KERNEL);
>  	void __iomem *priv = intel_priv(hci->pci);
>
> -	if (!priv)
> +	if (!host || !priv)
>  		return -ENOMEM;
>
>  	dma_set_mask_and_coherent(&hci->pci->dev, DMA_BIT_MASK(64));
>
> +	hci->private = host;
> +	host->priv = priv;
> +
>  	intel_reset(priv);
>
>  	return 0;
> --
> 2.51.0
>
>
> --
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