diff mbox series

[v1] serial: ns16550: Revert "Move PCI access from ofdata_to_platdata() to probe()"

Message ID 20200401120059.63220-1-andriy.shevchenko@linux.intel.com
State Superseded
Headers show
Series [v1] serial: ns16550: Revert "Move PCI access from ofdata_to_platdata() to probe()" | expand

Commit Message

Andy Shevchenko April 1, 2020, noon UTC 
The commit breaks serial console on the Intel Edison.

This reverts commit 720f9e1fdb0c92d3fd16e1bfc25bcbd35612675c.

Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
---
 drivers/serial/ns16550.c | 40 ++++++++++++----------------------------
 1 file changed, 12 insertions(+), 28 deletions(-)
diff mbox series

Patch

diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index 3088ab47ae..386b5e04c8 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -480,40 +480,12 @@  static int ns16550_serial_getinfo(struct udevice *dev,
 	return 0;
 }
 
-#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
-static int ns1655_serial_set_base_addr(struct udevice *dev)
-{
-	fdt_addr_t addr;
-	struct ns16550_platdata *plat;
-
-	plat = dev_get_platdata(dev);
-
-	addr = dev_read_addr_pci(dev);
-	if (addr == FDT_ADDR_T_NONE)
-		return -EINVAL;
-
-#ifdef CONFIG_SYS_NS16550_PORT_MAPPED
-	plat->base = addr;
-#else
-	plat->base = (unsigned long)map_physmem(addr, 0, MAP_NOCACHE);
-#endif
-
-	return 0;
-}
-#endif
-
 int ns16550_serial_probe(struct udevice *dev)
 {
 	struct NS16550 *const com_port = dev_get_priv(dev);
 	struct reset_ctl_bulk reset_bulk;
 	int ret;
 
-#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
-	ret = ns1655_serial_set_base_addr(dev);
-	if (ret)
-		return ret;
-#endif
-
 	ret = reset_get_bulk(dev, &reset_bulk);
 	if (!ret)
 		reset_deassert_bulk(&reset_bulk);
@@ -536,9 +508,21 @@  int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
 {
 	struct ns16550_platdata *plat = dev->platdata;
 	const u32 port_type = dev_get_driver_data(dev);
+	fdt_addr_t addr;
 	struct clk clk;
 	int err;
 
+	/* try Processor Local Bus device first */
+	addr = dev_read_addr_pci(dev);
+	if (addr == FDT_ADDR_T_NONE)
+		return -EINVAL;
+
+#ifdef CONFIG_SYS_NS16550_PORT_MAPPED
+	plat->base = addr;
+#else
+	plat->base = (unsigned long)map_physmem(addr, 0, MAP_NOCACHE);
+#endif
+
 	plat->reg_offset = dev_read_u32_default(dev, "reg-offset", 0);
 	plat->reg_shift = dev_read_u32_default(dev, "reg-shift", 0);
 	plat->reg_width = dev_read_u32_default(dev, "reg-io-width", 1);