Hi Grant
Could you review this patch ASAP?
There is little time to be integrated to 2.6.40.
Thanks,
-
Tomoya MORINAGA
OKI SEMICONDUCTOR CO., LTD.
> -Original Message-
> From: linux-kernel-ow...@vger.kernel.org
> [mailto:linux-kernel-ow...@vger.ke
On Mon, May 16, 2011 at 09:40:10AM +0530, Viresh Kumar wrote:
> If pl022_dma_probe fails, we can try to transfer data in polling or interrupt
> mode. Also, set platform_info->enable_dma to 0, so that no other code tries to
> use dma.
>
> Signed-off-by: Viresh Kumar
> Acked-by: Linus Walleij
Mer
On Sun, May 15, 2011 at 07:35:16AM +0800, Axel Lin wrote:
> Calling spi_bitbang_stop() will also destroy bitbang->workqueue,
> which is created by calling spi_bitbang_start() in s3c24xx_spi_probe().
>
> Signed-off-by: Axel Lin
Applied, thanks.
g.
> ---
> drivers/spi/spi_s3c24xx.c |2 +-
>
On Sun, May 15, 2011 at 07:33:28AM +0800, Axel Lin wrote:
> Calling spi_bitbang_stop() will also destroy bitbang->workqueue,
> which is created by calling spi_bitbang_start() in nuc900_spi_probe().
>
> Signed-off-by: Axel Lin
Applied, thanks.
g.
> ---
> drivers/spi/spi_nuc900.c |2 +-
> 1
On Wed, May 11, 2011 at 09:27:00PM +0800, Axel Lin wrote:
> spi_master_put() should only be used in error handling.
> Once spi_register_master() returns success, we should call
> spi_unregister_master() instead.
>
> Signed-off-by: Axel Lin
Applied, thanks.
g.
> ---
> drivers/spi/spi_sh.c |
On Fri, May 13, 2011 at 06:49:39PM +0530, viresh kumar wrote:
> On 5/13/11, Viresh Kumar wrote:
> > diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c
> > index 08de58e..82b98b8 100644
> > --- a/drivers/spi/amba-pl022.c
> > +++ b/drivers/spi/amba-pl022.c
> > @@ -1063,7 +1063,7 @@ sta
On Wed, May 11, 2011 at 09:28:16PM +0800, Axel Lin wrote:
> spi_master_put() should only be used in error handling.
> Once spi_register_master() returns success, we should call
> spi_unregister_master() instead.
>
> Signed-off-by: Axel Lin
Applied, thanks.
g.
> ---
> drivers/spi/spi_tegra.c |
On Wed, May 11, 2011 at 12:09:30AM +0200, Mark Brown wrote:
> Currently the simple SPI I/O operations all take pointers to u8 * buffers
> to operate on. This creates needless type compatibility issues and the
> underlying spi_transfer structure uses void pointers anyway so convert the
> API over to
2011/5/19 Vitaly Wool :
> On Thu, May 19, 2011 at 7:36 PM, Linus Walleij
> wrote:
>>>
>>> just out of curiosity: is it a busy wait? Looks like it is...
>>
>> Yep that's the polling mode part. IRQ and DMA mode should
>> be the norm I guess.
>>
>> Magnus: do you have a specific use case for this th
On Thu, May 19, 2011 at 08:01:25PM +0200, Linus Walleij wrote:
> This relaxes the cpu in the polling busy-wait loop.
>
> Reported-by: Vitaly Wool
> Signed-off-by: Linus Walleij
Applied, thanks.
g.
> ---
> drivers/spi/amba-pl022.c |1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
This relaxes the cpu in the polling busy-wait loop.
Reported-by: Vitaly Wool
Signed-off-by: Linus Walleij
---
drivers/spi/amba-pl022.c |1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c
index 18667de..8a2b88a 100644
--- a
On Thu, May 19, 2011 at 7:36 PM, Linus Walleij wrote:
>>
>> just out of curiosity: is it a busy wait? Looks like it is...
>
> Yep that's the polling mode part. IRQ and DMA mode should
> be the norm I guess.
>
> Magnus: do you have a specific use case for this thing?
Well, adding cpu_relax() somew
2011/5/19 Vitaly Wool :
>> +
>> + timeout = jiffies + msecs_to_jiffies(SPI_POLLING_TIMEOUT);
>> + while (pl022->tx < pl022->tx_end || pl022->rx <
>> pl022->rx_end) {
>> + time = jiffies;
>> readwriter(pl022);
>> +
Hi Linus,
On Thu, May 19, 2011 at 6:05 PM, Linus Walleij
wrote:
> From: Magnus Templing
>
> This adds the missing handling of polling timeouts and deletes
> our last todo.
>
> Signed-off-by: Magnus Templing
> Reviewed-by: Srinidhi Kasagar
> [Fixups from review by Wolfram Sang]
> Signed-off-by:
On Thu, May 19, 2011 at 02:13:19PM +0200, Linus Walleij wrote:
> This driver has no TODO, and is now used on several platforms:
> ARM, U300, Ux500, SPEAr and more. So drop the EXPERIMENTAL
> requirement.
>
> Signed-off-by: Linus Walleij
Applied, thanks.
g.
> ---
> drivers/spi/Kconfig |4 +
On Thu, May 19, 2011 at 06:05:34PM +0200, Linus Walleij wrote:
> From: Magnus Templing
>
> This adds the missing handling of polling timeouts and deletes
> our last todo.
>
> Signed-off-by: Magnus Templing
> Reviewed-by: Srinidhi Kasagar
> [Fixups from review by Wolfram Sang]
> Signed-off-by:
From: Magnus Templing
This adds the missing handling of polling timeouts and deletes
our last todo.
Signed-off-by: Magnus Templing
Reviewed-by: Srinidhi Kasagar
[Fixups from review by Wolfram Sang]
Signed-off-by: Linus Walleij
---
drivers/spi/amba-pl022.c | 23 +++
1 fi
On Thu, May 19, 2011 at 2:44 PM, Wolfram Sang wrote:
> Hi,
>
>> - /* FIXME: insert a timeout so we don't hang here indefinitely
>> */
>> - while (pl022->tx < pl022->tx_end || pl022->rx < pl022->rx_end)
>> +
>> + timeout = jiffies + msecs_to_jiffies(SPI_POLLING
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This driver has no TODO, and is now used on several platforms:
ARM, U300, Ux500, SPEAr and more. So drop the EXPERIMENTAL
requirement.
Signed-off-by: Linus Walleij
---
drivers/spi/Kconfig |4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/Kconfig b/drivers/sp
From: Magnus Templing
This adds the missing handling of polling timeouts and deletes
our last todo.
Signed-off-by: Magnus Templing
Reviewed-by: Srinidhi Kasagar
Signed-off-by: Linus Walleij
---
drivers/spi/amba-pl022.c | 22 ++
1 files changed, 14 insertions(+), 8 delet
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