[RFC][PATCH 1/4] drivers: sram: Have sram driver probe children nodes

[John Stultz <john.stultz@linaro.org>]

In order to support sub-nodes with the sram driver,
have the sram driver call of_probe_default_children().

This will allow for supportting sram based reboot reasons.

Cc: Andy Yan <andy.yan@rock-chips.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Heiko Stübner <heiko@sntech.de>
Cc: Caesar Wang <wxt@rock-chips.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Guodong Xu <guodong.xu@linaro.org>
Cc: Haojian Zhuang <haojian.zhuang@linaro.org>
Cc: Vishal Bhoj <vishal.bhoj@linaro.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: devicetree@vger.kernel.org
Cc: Android Kernel Team <kernel-team@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
 drivers/misc/sram.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c
index f84b53d..6830a79 100644
--- a/drivers/misc/sram.c
+++ b/drivers/misc/sram.c
@@ -23,6 +23,7 @@
 #include <linux/io.h>
 #include <linux/list_sort.h>
 #include <linux/of_address.h>
+#include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 
@@ -384,6 +385,8 @@ static int sram_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, sram);
 
+	of_platform_default_populate(pdev->dev.of_node,
+						NULL, &pdev->dev);
 	dev_dbg(sram->dev, "SRAM pool: %zu KiB @ 0x%p\n",
 		gen_pool_size(sram->pool) / 1024, sram->virt_base);
 
-- 
1.9.1