From: Ulf Hansson <ulf.hansson@linaro.org>
To: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
Jonathan Corbet <corbet@lwn.net>,
Russell King <linux@arm.linux.org.uk>,
Dan Williams <dan.j.williams@intel.com>,
Vinod Koul <vinod.koul@intel.com>,
Alan Stern <stern@rowland.harvard.edu>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
dmaengine@vger.kernel.org, Lars-Peter Clausen <lars@metafoo.de>,
Michal Simek <michal.simek@xilinx.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Subject: Re: [PATCH v8 2/5] amba: Add helpers for (un)preparing AMBA clock
Date: Tue, 21 Oct 2014 10:05:27 +0200 [thread overview]
Message-ID: <CAPDyKFqZ9mwgCFaHctdhWPW018ir6Y8rEhAN_Euz3EFUPkuwWA@mail.gmail.com> (raw)
In-Reply-To: <1413795888-18559-3-git-send-email-k.kozlowski@samsung.com>
On 20 October 2014 11:04, Krzysztof Kozlowski <k.kozlowski@samsung.com> wrote:
> Add amba_pclk_prepare() and amba_pclk_unprepare() inline functions for
> handling the AMBA bus clock by device drivers.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
> ---
> include/linux/amba/bus.h | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
> index c324f5700d1a..ac02f9bd63dc 100644
> --- a/include/linux/amba/bus.h
> +++ b/include/linux/amba/bus.h
> @@ -97,6 +97,16 @@ void amba_release_regions(struct amba_device *);
> #define amba_pclk_disable(d) \
> do { if (!IS_ERR((d)->pclk)) clk_disable((d)->pclk); } while (0)
>
> +static inline int amba_pclk_prepare(struct amba_device *dev)
> +{
> + return clk_prepare(dev->pclk);
> +}
> +
> +static inline void amba_pclk_unprepare(struct amba_device *dev)
> +{
> + clk_unprepare(dev->pclk);
> +}
> +
> /* Some drivers don't use the struct amba_device */
> #define AMBA_CONFIG_BITS(a) (((a) >> 24) & 0xff)
> #define AMBA_REV_BITS(a) (((a) >> 20) & 0x0f)
> --
> 1.9.1
>
next prev parent reply other threads:[~2014-10-21 8:05 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-20 9:04 [PATCH v8 0/5] amba/dma: pl330: add Power Management support Krzysztof Kozlowski
2014-10-20 9:04 ` [PATCH v8 1/5] PM / Runtime: Add getter for querying the IRQ safe option Krzysztof Kozlowski
2014-10-31 9:14 ` Krzysztof Kozlowski
2014-10-31 9:29 ` Ulf Hansson
2014-10-31 9:33 ` Russell King - ARM Linux
2014-10-31 9:54 ` Ulf Hansson
2014-10-31 9:33 ` Krzysztof Kozlowski
2014-10-31 14:22 ` Pavel Machek
2014-10-31 14:40 ` Krzysztof Kozlowski
2014-11-01 0:29 ` Laurent Pinchart
2014-11-03 9:36 ` Krzysztof Kozlowski
2014-11-03 16:27 ` Vinod Koul
2014-11-03 16:59 ` Laurent Pinchart
2014-11-05 14:09 ` Vinod Koul
2014-11-03 17:04 ` Russell King - ARM Linux
2014-11-05 14:04 ` Vinod Koul
2014-11-05 14:54 ` Laurent Pinchart
2014-10-31 23:11 ` Rafael J. Wysocki
2014-10-31 23:04 ` Russell King - ARM Linux
2014-11-01 0:42 ` Rafael J. Wysocki
2014-11-03 8:51 ` Krzysztof Kozlowski
2014-10-20 9:04 ` [PATCH v8 2/5] amba: Add helpers for (un)preparing AMBA clock Krzysztof Kozlowski
2014-10-21 8:05 ` Ulf Hansson [this message]
2014-10-20 9:04 ` [PATCH v8 3/5] amba: Don't unprepare the clocks if device driver wants IRQ safe runtime PM Krzysztof Kozlowski
2014-11-01 0:45 ` Rafael J. Wysocki
2014-11-01 0:55 ` Russell King - ARM Linux
2014-11-01 1:01 ` Russell King - ARM Linux
2014-11-03 8:36 ` Krzysztof Kozlowski
2014-11-03 10:04 ` Russell King - ARM Linux
2014-11-03 15:41 ` Alan Stern
2014-11-03 15:44 ` Russell King - ARM Linux
2014-11-04 7:59 ` Krzysztof Kozlowski
2014-11-04 1:57 ` Rafael J. Wysocki
2014-11-04 8:01 ` Krzysztof Kozlowski
2014-11-04 9:11 ` Ulf Hansson
2014-11-04 13:59 ` Rafael J. Wysocki
2014-11-04 16:19 ` Ulf Hansson
2014-11-03 17:17 ` Kevin Hilman
2014-10-20 9:04 ` [PATCH v8 4/5] dma: pl330: add Power Management support Krzysztof Kozlowski
2014-10-20 9:04 ` [PATCH v8 5/5] amba: Remove unused amba_pclk_enable/disable macros Krzysztof Kozlowski
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