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ARM OMAP2+ GPMC: add bus children

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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>
This commit is contained in:
Robert ABEL 2015-02-27 16:56:49 +01:00 committed by Roger Quadros
parent 5e9444d9a0
commit b1dc1ca9d4
1 changed files with 16 additions and 2 deletions
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18
drivers/memory/omap-gpmc.c
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@ -27,6 +27,7 @@
#include <linux/of_address.h> #include <linux/of_address.h>
#include <linux/of_mtd.h> #include <linux/of_mtd.h>
#include <linux/of_device.h> #include <linux/of_device.h>
#include <linux/of_platform.h>
#include <linux/omap-gpmc.h> #include <linux/omap-gpmc.h>
#include <linux/mtd/nand.h> #include <linux/mtd/nand.h>
#include <linux/pm_runtime.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); gpmc_cs_enable_mem(cs);
no_timings: 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); dev_err(&pdev->dev, "failed to create gpmc child %s\n", child->name);
ret = -ENODEV; ret = -ENODEV;