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

[Adrian Hunter]

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>
---
 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 4209e51257b3..d53e9dfc5ceb 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		10000
 
+struct intel_host {
+	void __iomem	*priv;
+};
+
 static void __iomem *intel_priv(struct pci_dev *pci)
 {
 	resource_size_t base = pci_resource_start(pci, 0);
@@ -55,16 +60,20 @@ static void intel_reset(void __iomem *priv)
 
 static int intel_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);
 	int ret;
 
-	if (!priv)
+	if (!host || !priv)
 		return -ENOMEM;
 
 	ret = dma_set_mask_and_coherent(&hci->pci->dev, DMA_BIT_MASK(64));
 	if (ret)
 		return ret;
 
+	hci->private = host;
+	host->priv = priv;
+
 	intel_reset(priv);
 
 	return 0;
-- 
2.51.0