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authorRobert ABEL <rabel@cit-ec.uni-bielefeld.de>2015-02-27 16:56:49 +0100
committerRoger Quadros <rogerq@ti.com>2015-03-06 12:22:25 +0200
commitb1dc1ca9d4673dac43b8a77a8b695ffb2918de2a (patch)
treeaa3851b5d97187f5b20dfd1a478a7e215e0d6b63 /drivers/memory
parent5e9444d9a00f4b22ad676f2d9d4b69312871e429 (diff)
downloadop-kernel-dev-b1dc1ca9d4673dac43b8a77a8b695ffb2918de2a.zip
op-kernel-dev-b1dc1ca9d4673dac43b8a77a8b695ffb2918de2a.tar.gz
ARM OMAP2+ GPMC: add bus children
This patch adds support for spawning buses as children of the GPMC. Signed-off-by: Robert ABEL <rabel@cit-ec.uni-bielefeld.de> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Roger Quadros <rogerq@ti.com>
Diffstat (limited to 'drivers/memory')
-rw-r--r--drivers/memory/omap-gpmc.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
index 624dccb..91b5a1b 100644
--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -27,6 +27,7 @@
#include <linux/of_address.h>
#include <linux/of_mtd.h>
#include <linux/of_device.h>
+#include <linux/of_platform.h>
#include <linux/omap-gpmc.h>
#include <linux/mtd/nand.h>
#include <linux/pm_runtime.h>
@@ -1812,8 +1813,21 @@ static int gpmc_probe_generic_child(struct platform_device *pdev,
gpmc_cs_enable_mem(cs);
no_timings:
- if (of_platform_device_create(child, NULL, &pdev->dev))
- return 0;
+
+ /* create platform device, NULL on error or when disabled */
+ if (!of_platform_device_create(child, NULL, &pdev->dev))
+ goto err_child_fail;
+
+ /* is child a common bus? */
+ if (of_match_node(of_default_bus_match_table, child))
+ /* create children and other common bus children */
+ if (of_platform_populate(child, of_default_bus_match_table,
+ NULL, &pdev->dev))
+ goto err_child_fail;
+
+ return 0;
+
+err_child_fail:
dev_err(&pdev->dev, "failed to create gpmc child %s\n", child->name);
ret = -ENODEV;
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