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* [PATCH 01/15] ramoops: probe from device tree if OFTREE is enabled
@ 2019-03-15  9:14 Juergen Borleis
  2019-03-15  9:14 ` [PATCH 02/15] pstore/ram: add Device Tree bindings Juergen Borleis
                   ` (14 more replies)
  0 siblings, 15 replies; 16+ messages in thread
From: Juergen Borleis @ 2019-03-15  9:14 UTC (permalink / raw)
  To: barebox

From: Philipp Zabel <p.zabel@pengutronix.de>

Switch to a device driver probed from device tree if CONFIG_OFTREE is
enabled. Also switch from postcore_initcall to device_initcall, to make
sure that memory banks have been initialized before request_sdram_region
is called.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---
 fs/pstore/ram.c | 36 ++++++++++++++++++++++++++++++++----
 1 file changed, 32 insertions(+), 4 deletions(-)

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index fdd92a60a5..fe65959791 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -349,8 +349,9 @@ static int ramoops_init_prz(struct ramoops_context *cxt,
 	return 0;
 }
 
-static int ramoops_probe(struct ramoops_platform_data *pdata)
+static int ramoops_probe(struct device_d *dev)
 {
+	struct ramoops_platform_data *pdata = dummy_data;
 	struct ramoops_context *cxt = &oops_cxt;
 	size_t dump_mem_sz;
 	phys_addr_t paddr;
@@ -498,12 +499,39 @@ static void ramoops_register_dummy(void)
 	 */
 	dummy_data->ecc_info.ecc_size = ramoops_ecc == 1 ? 16 : ramoops_ecc;
 
-	ramoops_probe(dummy_data);
+	if (!IS_ENABLED(CONFIG_OFTREE))
+		ramoops_probe(NULL);
 }
 
+static const struct of_device_id ramoops_dt_ids[] = {
+	{ .compatible = "ramoops" },
+	{ },
+};
+
+static struct driver_d ramoops_driver = {
+	.name = "ramoops",
+	.probe = ramoops_probe,
+	.of_compatible = DRV_OF_COMPAT(ramoops_dt_ids),
+};
+
 static int __init ramoops_init(void)
 {
+	if (IS_ENABLED(CONFIG_OFTREE)) {
+		struct device_node *node;
+
+		node = of_get_root_node();
+		if (!node)
+			return 0;
+
+		node = of_get_child_by_name(node, "reserved-memory");
+		if (!node)
+			return 0;
+
+		for_each_matching_node(node, ramoops_dt_ids)
+			of_platform_device_create(node, NULL);
+	}
+
 	ramoops_register_dummy();
-	return 0;
+	return platform_driver_register(&ramoops_driver);
 }
-postcore_initcall(ramoops_init);
+device_initcall(ramoops_init);
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread
end of thread, other threads:[~2019-03-18  8:44 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-03-15  9:14 [PATCH 01/15] ramoops: probe from device tree if OFTREE is enabled Juergen Borleis
2019-03-15  9:14 ` [PATCH 02/15] pstore/ram: add Device Tree bindings Juergen Borleis
2019-03-15  9:14 ` [PATCH 03/15] ramoops: use DT reserved-memory bindings Juergen Borleis
2019-03-15  9:14 ` [PATCH 04/15] pstore: Make ramoops_init_przs generic for other prz arrays Juergen Borleis
2019-03-15  9:14 ` [PATCH 05/15] pstore/ram: Do not use stack VLA for parity workspace Juergen Borleis
2019-03-15  9:14 ` [PATCH 06/15] pstore: improve error report for failed setup Juergen Borleis
2019-03-15  9:14 ` [PATCH 07/15] pstore/ram: Clarify resource reservation labels Juergen Borleis
2019-03-15  9:14 ` [PATCH 08/15] pstore: Extract common arguments into structure Juergen Borleis
2019-03-15  9:14 ` [PATCH 09/15] pstore: add console support Juergen Borleis
2019-03-15  9:14 ` [PATCH 10/15] pstore: Switch pstore_mkfile to pass record Juergen Borleis
2019-03-15  9:14 ` [PATCH 11/15] pstore: Replace arguments for read() API Juergen Borleis
2019-03-15  9:14 ` [PATCH 12/15] pstore: Replace arguments for write() API Juergen Borleis
2019-03-15  9:14 ` [PATCH 13/15] pstore: pass ramoops configuration to kernel via device tree Juergen Borleis
2019-03-15  9:14 ` [PATCH 14/15] pstore: ramoops: allow zapping invalid buffers in read-only mode Juergen Borleis
2019-03-15  9:14 ` [PATCH 15/15] pstore/doc: fix layout Juergen Borleis
2019-03-18  8:44 ` [PATCH 01/15] ramoops: probe from device tree if OFTREE is enabled Sascha Hauer

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