[RFC PATCH v2 07/13] hwspinlock: sun6i: use new callback to initialize hwspinlock priv

[Wolfram Sang]

Apply the new helper to avoid using internal structures from the core.
Remove superfluous setting of drvdata while here.

Signed-off-by: Wolfram Sang <wsa+renesas at sang-engineering.com>
---
 drivers/hwspinlock/sun6i_hwspinlock.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/hwspinlock/sun6i_hwspinlock.c b/drivers/hwspinlock/sun6i_hwspinlock.c
index 8ff81cb5880a..7d0c639c0e82 100644
--- a/drivers/hwspinlock/sun6i_hwspinlock.c
+++ b/drivers/hwspinlock/sun6i_hwspinlock.c
@@ -74,9 +74,17 @@ static void sun6i_hwspinlock_unlock(struct hwspinlock *lock)
 	writel(SPINLOCK_NOTTAKEN, lock_addr);
 }
 
+static void *sun6i_hwspinlock_init_priv(int local_id, void *init_data)
+{
+	void __iomem *io_base_ofs = init_data;
+
+	return io_base_ofs + sizeof(u32) * local_id;
+}
+
 static const struct hwspinlock_ops sun6i_hwspinlock_ops = {
 	.trylock	= sun6i_hwspinlock_trylock,
 	.unlock		= sun6i_hwspinlock_unlock,
+	.init_priv	= sun6i_hwspinlock_init_priv,
 };
 
 static void sun6i_hwspinlock_disable(void *data)
@@ -91,10 +99,9 @@ static void sun6i_hwspinlock_disable(void *data)
 static int sun6i_hwspinlock_probe(struct platform_device *pdev)
 {
 	struct sun6i_hwspinlock_data *priv;
-	struct hwspinlock *hwlock;
 	void __iomem *io_base;
 	u32 num_banks;
-	int err, i;
+	int err;
 
 	io_base = devm_platform_ioremap_resource(pdev, SPINLOCK_BASE_ID);
 	if (IS_ERR(io_base))
@@ -161,11 +168,6 @@ static int sun6i_hwspinlock_probe(struct platform_device *pdev)
 		goto bank_fail;
 	}
 
-	for (i = 0; i < priv->nlocks; ++i) {
-		hwlock = &priv->bank->lock[i];
-		hwlock->priv = io_base + SPINLOCK_LOCK_REGN + sizeof(u32) * i;
-	}
-
 	/* failure of debugfs is considered non-fatal */
 	sun6i_hwspinlock_debugfs_init(priv);
 	if (IS_ERR(priv->debugfs))
@@ -177,10 +179,8 @@ static int sun6i_hwspinlock_probe(struct platform_device *pdev)
 		goto bank_fail;
 	}
 
-	platform_set_drvdata(pdev, priv);
-
 	return devm_hwspin_lock_register(&pdev->dev, priv->bank, &sun6i_hwspinlock_ops,
-					 SPINLOCK_BASE_ID, priv->nlocks);
+					 SPINLOCK_BASE_ID, priv->nlocks, io_base + SPINLOCK_LOCK_REGN);
 
 bank_fail:
 	clk_disable_unprepare(priv->ahb_clk);
-- 
2.51.0