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Enable and disable the clocks to the SPI controller using runtime PM. This
serves the dual purpose of reducing power consumption a little and letting
the core know when the device is idle.
Signed-off-by: Mark Brown broo...@opensource.wolfsonmicro.com
---
drivers/spi/spi-s3c64xx.c | 39
In preparation for the addition of runtime PM ops.
Signed-off-by: Mark Brown broo...@opensource.wolfsonmicro.com
---
drivers/spi/spi-s3c64xx.c | 19 ++-
1 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index
In preparation for the addition of runtime PM ops.
Signed-off-by: Mark Brown broo...@opensource.wolfsonmicro.com
---
drivers/spi/spi-s3c64xx.c | 19 ++-
1 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index
Enable and disable the clocks to the SPI controller using runtime PM. This
serves the dual purpose of reducing power consumption a little and letting
the core know when the device is idle.
Signed-off-by: Mark Brown broo...@opensource.wolfsonmicro.com
---
drivers/spi/spi-s3c64xx.c | 39
Although the hardware supports interrupts we're not currently using them
at all since for small transfers the overhead is greater than that for
busy waiting and for large transfers we have interrupts from the DMA.
This means that if the hardware reports an error (especially one which
might not
On Mon, Dec 5, 2011 at 5:50 PM, Mark Brown
broo...@opensource.wolfsonmicro.com wrote:
Enable and disable the clocks to the SPI controller using runtime PM. This
serves the dual purpose of reducing power consumption a little and letting
the core know when the device is idle.
(...)
+#ifdef
On Mon, Dec 05, 2011 at 10:41:21PM +0100, Linus Walleij wrote:
Just wanted to mention that I had this discussion with Magnus Damm
about how they do this in shmobile: in there their central runtime PM
policy in arch/arm/mach-shmobile/pm_runtime.c adds in the
pm_clk_notifier from
On Mon, Dec 05, 2011 at 03:47:08PM +0800, Axel Lin wrote:
Simplify the error handling by moving the code to free gpios in one place.
Signed-off-by: Axel Lin axel@gmail.com
Acked-by: Shawn Guo shawn@linaro.org
Regards,
Shawn
On 12/05/2011 09:50 AM, Axel Lin wrote:
Signed-off-by: Axel Lin axel@gmail.com
---
drivers/spi/spi-gpio.c | 21 -
1 files changed, 4 insertions(+), 17 deletions(-)
Acked-by: Denis Kuzmenko li...@solonet.org.ua
--
Best regards, Denis Kuzmenko.
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