[RFC PATCH v3 5/7] i2c: aspeed: switch to generic fw properties.

[Jonathan Cameron <Jonathan.Cameron@huawei.com>]

Moving over to generic firmware properties allows this driver to
get closer to working out of the box with both device tree and
other firmware options, such as ACPI via PRP0001.

Tested only via QEMU emulation.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

---
v3:
- Use a typedef for the function pointer type as introduced in precusor
  patch
---
 drivers/i2c/busses/i2c-aspeed.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c
index be93de56f7e4..992d64acd38d 100644
--- a/drivers/i2c/busses/i2c-aspeed.c
+++ b/drivers/i2c/busses/i2c-aspeed.c
@@ -18,9 +18,8 @@
 #include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/of_address.h>
-#include <linux/of_platform.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/reset.h>
 #include <linux/slab.h>
 
@@ -976,7 +975,6 @@ MODULE_DEVICE_TABLE(of, aspeed_i2c_bus_of_table);
 
 static int aspeed_i2c_probe_bus(struct platform_device *pdev)
 {
-	const struct of_device_id *match;
 	struct aspeed_i2c_bus *bus;
 	struct clk *parent_clk;
 	int irq, ret;
@@ -1005,14 +1003,13 @@ static int aspeed_i2c_probe_bus(struct platform_device *pdev)
 	reset_control_deassert(bus->rst);
 
 	bus->bus_frequency = I2C_MAX_STANDARD_MODE_FREQ;
-	of_property_read_u32(pdev->dev.of_node,
-			     "bus-frequency", &bus->bus_frequency);
+	device_property_read_u32(&pdev->dev,
+				 "bus-frequency", &bus->bus_frequency);
 
-	match = of_match_node(aspeed_i2c_bus_of_table, pdev->dev.of_node);
-	if (!match)
+	bus->get_clk_reg_val =
+		(aspeed_get_clk_reg_val_cb)device_get_match_data(&pdev->dev);
+	if (!bus->get_clk_reg_val)
 		bus->get_clk_reg_val = aspeed_i2c_24xx_get_clk_reg_val;
-	else
-		bus->get_clk_reg_val = (aspeed_get_clk_reg_val_cb)(match->data);
 
 	/* Initialize the I2C adapter */
 	spin_lock_init(&bus->lock);
-- 
2.39.2