[PATCH 06/13] i3c: mipi-i3c-hci-pci: Factor out private registers ioremapping

From: Adrian Hunter <adrian.hunter@intel.com>
To: alexandre.belloni@bootlin.com
Cc: Frank.Li@nxp.com, linux-i3c@lists.infradead.org
Subject: [PATCH 06/13] i3c: mipi-i3c-hci-pci: Factor out private registers ioremapping
Date: Wed, 12 Nov 2025 12:03:32 +0200	[thread overview]
Message-ID: <20251112100339.51726-7-adrian.hunter@intel.com> (raw)
In-Reply-To: <20251112100339.51726-1-adrian.hunter@intel.com>

For neatness, factor out private registers ioremapping.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
 drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

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 59c592446b5c..003ae61e9f6c 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
@@ -27,15 +27,19 @@ static DEFINE_IDA(mipi_i3c_hci_pci_ida);
 #define INTEL_RESETS_RESET_DONE		BIT(1)
 #define INTEL_RESETS_TIMEOUT_US		10000
 
+static void __iomem *intel_priv(struct pci_dev *pci)
+{
+	resource_size_t base = pci_resource_start(pci, 0);
+
+	return devm_ioremap(&pci->dev, base + INTEL_PRIV_OFFSET, INTEL_PRIV_SIZE);
+}
+
 static int intel_init(struct pci_dev *pci)
 {
-	void __iomem *priv;
+	void __iomem *priv = intel_priv(pci);
 	u32 reg;
 	int ret;
 
-	priv = devm_ioremap(&pci->dev,
-			    pci_resource_start(pci, 0) + INTEL_PRIV_OFFSET,
-			    INTEL_PRIV_SIZE);
 	if (!priv)
 		return -ENOMEM;
 
-- 
2.51.0


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