On 10 April 2018 at 01:27, gregkh@linuxfoundation.org wrote:
This is a note to let you know that I've just added the patch titled
clk: at91: fix clk-generated parentingto the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: clk-at91-fix-clk-generated-parenting.patch and it can be found in the queue-4.9 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.
This patch broke ARM builds at kernelci https://kernelci.org/build/stable-rc/branch/linux-4.9.y/kernel/v4.9.93-278-g...
Regards, Amit Pundir
From foo@baz Mon Apr 9 17:09:24 CEST 2018 From: Alexandre Belloni alexandre.belloni@free-electrons.com Date: Fri, 12 May 2017 16:25:30 +0200 Subject: clk: at91: fix clk-generated parenting
From: Alexandre Belloni alexandre.belloni@free-electrons.com
[ Upstream commit 8e56133e5c7b7a7a97f6a92d92f664d5ecd30745 ]
clk_generated_startup is called after clk_hw_register. So the first call to get_parent will not have the correct value (i.e. 0) and because this is cached, it may never be updated.
Signed-off-by: Alexandre Belloni alexandre.belloni@free-electrons.com Fixes: df70aeef6083 ("clk: at91: add generated clock driver") Signed-off-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/at91/clk-generated.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/clk/at91/clk-generated.c +++ b/drivers/clk/at91/clk-generated.c @@ -260,13 +260,12 @@ at91_clk_register_generated(struct regma gck->lock = lock; gck->range = *range;
clk_generated_startup(gck); hw = &gck->hw; ret = clk_hw_register(NULL, &gck->hw); if (ret) { kfree(gck); hw = ERR_PTR(ret);
} elseclk_generated_startup(gck); return hw;}
Patches currently in stable-queue which might be from alexandre.belloni@free-electrons.com are
queue-4.9/clk-at91-fix-clk-generated-parenting.patch queue-4.9/rtc-interface-validate-alarm-time-before-handling-rollover.patch queue-4.9/rtc-m41t80-fix-sqw-dividers-override-when-setting-a-date.patch queue-4.9/rtc-snvs-fix-an-incorrect-check-of-return-value.patch queue-4.9/rtc-opal-handle-disabled-tpo-in-opal_get_tpo_time.patch