Patch "clk: ti: clkctrl: add support for retrying failed init" has been added to the 4.14-stable tree

Patch "clk: ti: clkctrl: add support for retrying failed init" has been added to the 4.14-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    clk: ti: clkctrl: add support for retrying failed init

to the 4.14-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     clk-ti-clkctrl-add-support-for-retrying-failed-init.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Fri Mar 16 15:43:17 CET 2018
From: Tero Kristo <t-kristo@ti.com>
Date: Thu, 12 Oct 2017 10:55:29 +0300
Subject: clk: ti: clkctrl: add support for retrying failed init

From: Tero Kristo <t-kristo@ti.com>


[ Upstream commit 729e13bf58e643b9accd2a14c55b555958702fb0 ]

In case the clkctrl node contains assigned-clock-* entries, registering
the provider can fail with -EPROBE_DEFER. In this case, add the
provider to the retry_init clock list so it will be cleaned up later.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/clk/ti/clkctrl.c |   12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

--- a/drivers/clk/ti/clkctrl.c
+++ b/drivers/clk/ti/clkctrl.c
@@ -400,6 +400,12 @@ _ti_clkctrl_setup_subclks(struct omap_cl
 	}
 }
 
+static void __init _clkctrl_add_provider(void *data,
+					 struct device_node *np)
+{
+	of_clk_add_hw_provider(np, _ti_omap4_clkctrl_xlate, data);
+}
+
 static void __init _ti_omap4_clkctrl_setup(struct device_node *node)
 {
 	struct omap_clkctrl_provider *provider;
@@ -411,6 +417,7 @@ static void __init _ti_omap4_clkctrl_set
 	struct omap_clkctrl_clk *clkctrl_clk;
 	const __be32 *addrp;
 	u32 addr;
+	int ret;
 
 	addrp = of_get_address(node, 0, NULL, NULL);
 	addr = (u32)of_translate_address(node, addrp);
@@ -485,7 +492,10 @@ static void __init _ti_omap4_clkctrl_set
 		reg_data++;
 	}
 
-	of_clk_add_hw_provider(node, _ti_omap4_clkctrl_xlate, provider);
+	ret = of_clk_add_hw_provider(node, _ti_omap4_clkctrl_xlate, provider);
+	if (ret == -EPROBE_DEFER)
+		ti_clk_retry_init(node, provider, _clkctrl_add_provider);
+
 	return;
 
 cleanup:


Patches currently in stable-queue which might be from t-kristo@ti.com are

queue-4.14/clk-ti-clkctrl-add-support-for-retrying-failed-init.patch