/branches/18.06.1/target/linux/brcm63xx/patches-4.9/111-MIPS-BCM63XX-allow-NULL-clock-for-clk_get_rate.patch |
@@ -0,0 +1,48 @@ |
From patchwork Tue Jul 18 10:17:27 2017 |
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Subject: [6/9] MIPS: BCM63XX: allow NULL clock for clk_get_rate |
X-Patchwork-Submitter: Jonas Gorski <jonas.gorski@gmail.com> |
X-Patchwork-Id: 16776 |
Message-Id: <20170718101730.2541-7-jonas.gorski@gmail.com> |
To: unlisted-recipients:; (no To-header on input) |
Cc: Ralf Baechle <ralf@linux-mips.org>, |
Florian Fainelli <f.fainelli@gmail.com>, |
bcm-kernel-feedback-list@broadcom.com, |
James Hogan <james.hogan@imgtec.com>, |
linux-mips@linux-mips.org, linux-kernel@vger.kernel.org |
Date: Tue, 18 Jul 2017 12:17:27 +0200 |
From: Jonas Gorski <jonas.gorski@gmail.com> |
List-Id: linux-mips <linux-mips.eddie.linux-mips.org> |
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Make the behaviour of clk_get_rate consistent with common clk's |
clk_get_rate by accepting NULL clocks as parameter. Some device |
drivers rely on this, and will cause an OOPS otherwise. |
|
Fixes: e7300d04bd08 ("MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs.") |
Cc: Ralf Baechle <ralf@linux-mips.org> |
Cc: Florian Fainelli <f.fainelli@gmail.com> |
Cc: bcm-kernel-feedback-list@broadcom.com |
Cc: James Hogan <james.hogan@imgtec.com> |
Cc: linux-mips@linux-mips.org |
Cc: linux-kernel@vger.kernel.org |
Reported-by: Mathias Kresin <dev@kresin.me> |
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> |
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> |
--- |
arch/mips/bcm63xx/clk.c | 3 +++ |
1 file changed, 3 insertions(+) |
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--- a/arch/mips/bcm63xx/clk.c |
+++ b/arch/mips/bcm63xx/clk.c |
@@ -392,6 +392,9 @@ EXPORT_SYMBOL(clk_disable); |
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unsigned long clk_get_rate(struct clk *clk) |
{ |
+ if (!clk) |
+ return 0; |
+ |
return clk->rate; |
} |
|