OpenWrt – Blame information for rev 2
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1 | office | 1 | From patchwork Tue Jul 18 10:17:27 2017 |
2 | Content-Type: text/plain; charset="utf-8" |
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3 | MIME-Version: 1.0 |
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4 | Content-Transfer-Encoding: 7bit |
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5 | Subject: [6/9] MIPS: BCM63XX: allow NULL clock for clk_get_rate |
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6 | X-Patchwork-Submitter: Jonas Gorski <jonas.gorski@gmail.com> |
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7 | X-Patchwork-Id: 16776 |
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8 | Message-Id: <20170718101730.2541-7-jonas.gorski@gmail.com> |
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9 | To: unlisted-recipients:; (no To-header on input) |
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10 | Cc: Ralf Baechle <ralf@linux-mips.org>, |
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11 | Florian Fainelli <f.fainelli@gmail.com>, |
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12 | bcm-kernel-feedback-list@broadcom.com, |
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13 | James Hogan <james.hogan@imgtec.com>, |
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14 | linux-mips@linux-mips.org, linux-kernel@vger.kernel.org |
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15 | Date: Tue, 18 Jul 2017 12:17:27 +0200 |
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16 | From: Jonas Gorski <jonas.gorski@gmail.com> |
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17 | List-Id: linux-mips <linux-mips.eddie.linux-mips.org> |
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18 | |||
19 | Make the behaviour of clk_get_rate consistent with common clk's |
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20 | clk_get_rate by accepting NULL clocks as parameter. Some device |
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21 | drivers rely on this, and will cause an OOPS otherwise. |
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22 | |||
23 | Fixes: e7300d04bd08 ("MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs.") |
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24 | Cc: Ralf Baechle <ralf@linux-mips.org> |
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25 | Cc: Florian Fainelli <f.fainelli@gmail.com> |
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26 | Cc: bcm-kernel-feedback-list@broadcom.com |
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27 | Cc: James Hogan <james.hogan@imgtec.com> |
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28 | Cc: linux-mips@linux-mips.org |
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29 | Cc: linux-kernel@vger.kernel.org |
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30 | Reported-by: Mathias Kresin <dev@kresin.me> |
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31 | Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> |
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32 | Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> |
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33 | --- |
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34 | arch/mips/bcm63xx/clk.c | 3 +++ |
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35 | 1 file changed, 3 insertions(+) |
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36 | |||
37 | --- a/arch/mips/bcm63xx/clk.c |
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38 | +++ b/arch/mips/bcm63xx/clk.c |
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39 | @@ -392,6 +392,9 @@ EXPORT_SYMBOL(clk_disable); |
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40 | |||
41 | unsigned long clk_get_rate(struct clk *clk) |
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42 | { |
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43 | + if (!clk) |
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44 | + return 0; |
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45 | + |
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46 | return clk->rate; |
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47 | } |
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48 |