public inbox for u-boot@lists.denx.de
 help / color / mirror / Atom feed
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: u-boot@lists.denx.de
Subject: [PATCH v1] serial: ns16550: Revert "Move PCI access from ofdata_to_platdata() to probe()"
Date: Wed,  1 Apr 2020 15:05:18 +0300	[thread overview]
Message-ID: <20200401120518.67951-1-andriy.shevchenko@linux.intel.com> (raw)

The commit breaks serial console on the Intel Edison.

This reverts commit 720f9e1fdb0c92d3fd16e1bfc25bcbd35612675c.

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

diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index c1b303ffcb..1fcbc35015 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -479,40 +479,12 @@ 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);
@@ -535,9 +507,21 @@ 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);
-- 
2.25.1

             reply	other threads:[~2020-04-01 12:05 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-01 12:05 Andy Shevchenko [this message]
  -- strict thread matches above, loose matches on Subject: below --
2020-04-01 12:00 [PATCH v1] serial: ns16550: Revert "Move PCI access from ofdata_to_platdata() to probe()" Andy Shevchenko

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200401120518.67951-1-andriy.shevchenko@linux.intel.com \
    --to=andriy.shevchenko@linux.intel.com \
    --cc=u-boot@lists.denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox