Hi,
* Adrian Hunter [110505 14:48]:
> From: Venkatraman S
>
> Add sDMA driver support for descriptor autoloading feature.
> Descriptor autoloading is OMAP sDMA v5 hardware capability that can be
> exploited for scatter gather
> scenarios, currently available in OMAP3630 and OMAP4430.
I thin
On Fri, May 6, 2011 at 12:54 AM, wrote:
>
> This is a note to let you know that I've just added the patch titled
>
> mmc: fix all hangs related to mmc/sd card insert/removal during
> suspend/resume
>
> to the 2.6.32-longterm tree
That patch introduced a suspend/resume regression, so please a
On Thu, May 05, 2011 at 06:23:44PM +0400, Anton Vorontsov wrote:
> On Thu, May 05, 2011 at 09:22:54PM +0800, Shawn Guo wrote:
> [...]
> > - * Copyright (c) 2007 Freescale Semiconductor, Inc.
> > - * Copyright (c) 2009 MontaVista Software, Inc.
> > - *
> > - * Authors: Xiaobo Xie
> > - * Anton
2.6.32-longterm review patch. If anyone has any objections, please let us know.
--
From: Maxim Levitsky
commit 4c2ef25fe0b847d2ae818f74758ddb0be1c27d8e upstream.
If you don't use CONFIG_MMC_UNSAFE_RESUME, as soon as you attempt to
suspend, the card will be removed, therefore t
2.6.32-longterm review patch. If anyone has any objections, please let us know.
--
From: Uwe Kleine-König
commit 81ca03a0e2ea0207b2df80e0edcf4c775c07a505 upstream.
This fixes a build breakage introduced by commit 4c2ef25fe0b8 ("mmc: fix
all hangs related to mmc/sd card insert
This is a note to let you know that I've just added the patch titled
mmc: fix all hangs related to mmc/sd card insert/removal during
suspend/resume
to the 2.6.32-longterm tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/longterm/longterm-queue-2.6.32.git;a=summ
On Thursday, May 05, 2011, Guennadi Liakhovetski wrote:
> Adding support for runtime power-management to the MMCIF driver allows
> it to save power as long as no card is present. To also allow to turn
> off the power domain at that time, we release DMA channels during that
> time, since on some sh-
On May 5, 2011, at 12:10, Matthew Wilcox wrote:
> On Wed, May 04, 2011 at 08:51:39AM -0600, Andreas Dilger wrote:
>> I was aware of REQ_META, but I didn't know there was any benefit to
>> using it. I think it would be easy to set REQ_META on all ext4 metadata
>> if there was a reason to do so.
>
>
From: Stefan Nilsson XK
If there is only 1 function interrupt registered it is possible to
improve performance by directly calling the irq handler
and avoiding the overhead of reading the CCCR registers.
Signed-off-by: Per Forlin
Acked-by: Ulf Hansson
Reviewed-by: Nicolas Pitre
---
drivers/m
Optimize performance for single irq
Changes since v2.
* Clarify comment in process_sdio_pending_irqs
* Simplify sdio_single_irq if-condition
Stefan Nilsson XK (1):
sdio: optimized SDIO IRQ handling for single irq
drivers/mmc/core/sdio_irq.c | 33 -
include/
On Wed, May 04, 2011 at 08:51:39AM -0600, Andreas Dilger wrote:
> I was aware of REQ_META, but I didn't know there was any benefit to
> using it. I think it would be easy to set REQ_META on all ext4 metadata
> if there was a reason to do so.
The CFQ ioscheduler pays attention to it (prioritising m
Adding support for runtime power-management to the MMCIF driver allows
it to save power as long as no card is present. To also allow to turn
off the power domain at that time, we release DMA channels during that
time, since on some sh-mobile systems the DMA controller(s) and the
MMCIF block belong
Add runtime and system-wide power management to the TMIO MMC driver
in PIO and DMA modes, allowing it to properly save and restore its
state during system suspend. Runtime PM is very crude ATM, because
the controller has to be powered on all the time to detect card
hotplug events.
Signed-off-by: G
On Thu, May 05, 2011 at 09:22:52PM +0800, Shawn Guo wrote:
[...]
> +static int __devinit sdhci_cns3xxx_probe(struct platform_device *pdev)
> +{
> + return sdhci_pltfm_register(pdev, &sdhci_cns3xxx_pdata);
> +}
> +
> +static int __devexit sdhci_cns3xxx_remove(struct platform_device *pdev)
> +{
>
On Thu, May 05, 2011 at 09:22:53PM +0800, Shawn Guo wrote:
> The patch migrates the use of sdhci_of_host and sdhci_of_data to
> sdhci_pltfm_host and sdhci_pltfm_data, so that the former pair can
> be eliminated.
>
> Signed-off-by: Shawn Guo
> Reviewed-by: Grant Likely
Acked-by: Anton Vorontsov
On Thu, May 05, 2011 at 09:22:54PM +0800, Shawn Guo wrote:
[...]
> - * Copyright (c) 2007 Freescale Semiconductor, Inc.
> - * Copyright (c) 2009 MontaVista Software, Inc.
> - *
> - * Authors: Xiaobo Xie
> - * Anton Vorontsov
[...]
> -#ifdef CONFIG_MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
> -
On Thu, May 05, 2011 at 09:22:56PM +0800, Shawn Guo wrote:
> This patch is to consolidate SDHCI driver for Freescale eSDHC
> controller found on both MPCxxx and i.MX platforms. It merges
> sdhci-of-esdhc.c into sdhci-esdhc.c, so that the same pair of
> .probe/.remove hook works with eSDHC for two
On Thu, May 05, 2011 at 09:22:57PM +0800, Shawn Guo wrote:
> The structure sdhci_pltfm_data is not necessarily to be in a public
> header like include/linux/mmc/sdhci-pltfm.h, so the patch moves it
> into drivers/mmc/host/sdhci-pltfm.h and eliminates the former one.
>
> Signed-off-by: Shawn Guo
>
On Thu, May 5, 2011 at 2:51 PM, Adrian Hunter wrote:
> From: Andy Shevchenko
>
> There are 3 new platform data methods which should help us to do a clock
> switching when notification is happened or request is started.
>
> The purpose of the patch is to avoid high frequency of MMC controller on l
Signed-off-by: Shawn Guo
---
.../plat-mxc/devices/platform-sdhci-esdhc-imx.c|1 -
arch/arm/plat-mxc/include/mach/devices-common.h|2 +-
2 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c
b/arch/arm/plat-mxc/devices/
The structure sdhci_pltfm_data is not necessarily to be in a public
header like include/linux/mmc/sdhci-pltfm.h, so the patch moves it
into drivers/mmc/host/sdhci-pltfm.h and eliminates the former one.
Signed-off-by: Shawn Guo
Reviewed-by: Grant Likely
Reviewed-by: Wolfram Sang
---
drivers/mmc
This patch is to consolidate SDHCI driver for Freescale eSDHC
controller found on both MPCxxx and i.MX platforms. It merges
sdhci-of-esdhc.c into sdhci-esdhc.c, so that the same pair of
.probe/.remove hook works with eSDHC for two platforms.
As the results, sdhci-of-esdhc.c and sdhci-esdhc.h are
The patch renames the file to prepare for the consolidation
sdhci-of-esdhc and sdhci-esdhc-imx.
Signed-off-by: Shawn Guo
---
drivers/mmc/host/Makefile |2 +-
drivers/mmc/host/sdhci-esdhc-imx.c | 381
drivers/mmc/host/sdhci-esdhc.c | 381 +++
The patch turns the sdhci-of-core common stuff into helper functions
added into sdhci-pltfm.c, and makes sdhci-of device drviers self
registered using the same pair of .probe and .remove used by
sdhci-pltfm device drivers.
As a result, sdhci-of-core.c and sdhci-of.h can be eliminated with
those co
The patch migrates the use of sdhci_of_host and sdhci_of_data to
sdhci_pltfm_host and sdhci_pltfm_data, so that the former pair can
be eliminated.
Signed-off-by: Shawn Guo
Reviewed-by: Grant Likely
---
drivers/mmc/host/sdhci-of-core.c | 30 +++---
drivers/mmc/host/sdh
The patch turns the common stuff in sdhci-pltfm.c into functions, and
add device drivers their own .probe and .remove which in turn call
into the common functions, so that those sdhci-pltfm device drivers
register itself and keep all device specific things away from common
sdhci-pltfm file.
Signed
Here are what the patch set does.
* Remove .probe and .remove hooks from sdhci-pltfm.c and make it be
a pure common helper function providers.
* Add .probe and .remove hooks for sdhci pltfm drivers sdhci-cns3xxx,
sdhci-dove, sdhci-tegra, and sdhci-esdhc-imx to make them self
registered with
Hello.
On 05-05-2011 15:51, Adrian Hunter wrote:
From: Sudhir Bera
In fact the no_off check here will not be hit because
'omap_hsmmc_disabled_to_sleep()' won't schedule a
deeper disable in the no_off case.
Signed-off-by: Sudhir Bera
Signed-off-by: Adrian Hunter
---
drivers/mmc/host/o
On Thu, May 5, 2011 at 2:51 PM, Adrian Hunter wrote:
> From: Andy Shevchenko
>
> There are two pieces of code which similar, but not the same. Each of them
> contains a bug.
>
> The SYSCTL register should be read before write in the
> omap_hsmmc_context_restore() to remain the state of the reserv
After a warm restart, an eMMC which cannot be powered off is
in an unknown state, so reset it to be sure it will initialize.
Signed-off-by: Adrian Hunter
---
drivers/mmc/host/omap_hsmmc.c | 38 +-
1 files changed, 37 insertions(+), 1 deletions(-)
diff --git
Go through the driver's set_power() functions rather than
calling regulator_enable/disable() directly because otherwise
pbias configuration for MMC1 is not done.
Signed-off-by: Adrian Hunter
---
drivers/mmc/host/omap_hsmmc.c | 17 -
1 files changed, 8 insertions(+), 9 deletions
In the case of an I/O error, the DMA will have been
cleaned up in the MMC interrupt and the request
structure pointer will be null.
In that case, it is essential to check if the DMA
DMA is over before dereferencing host->mrq->data.
Oops as follows:
<3>[ 2293.695281] wl1271: ERROR sdio read faile
eMMC may have a hardware reset line connected to a gpio,
so pass it to the driver.
Signed-off-by: Adrian Hunter
---
arch/arm/mach-omap2/hsmmc.c |5 +
arch/arm/mach-omap2/hsmmc.h |1 +
arch/arm/plat-omap/include/plat/mmc.h |1 +
3 files changed, 7 insertions(+)
From: Andy Shevchenko
There are 3 new platform data methods which should help us to do a clock
switching when notification is happened or request is started.
The purpose of the patch is to avoid high frequency of MMC controller on low
OPPs due to an HW bug in OMAP 3630.
The algorithm:
- the PM
From: Andy Shevchenko
We should like to adjust MMC host controller clock whenever the OPP is changed.
OPP affects to L3/L4 bus frequency. Due to this we update the maximum frequency
limits before each upcoming request and when the divisor is calculated.
Signed-off-by: Andy Shevchenko
Signed-off
From: Andy Shevchenko
Signed-off-by: Andy Shevchenko
Signed-off-by: Adrian Hunter
---
drivers/mmc/host/omap_hsmmc.c | 17 ++---
1 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index a727bf8..7a153af 100
From: Andy Shevchenko
There are few places with the same functionality. This patch creates two
functions omap_hsmmc_set_bus_width() and omap_hsmmc_set_bus_mode() to do the
job.
Signed-off-by: Andy Shevchenko
Signed-off-by: Adrian Hunter
---
drivers/mmc/host/omap_hsmmc.c | 85 +++
From: Andy Shevchenko
There are two pieces of code which similar, but not the same. Each of them
contains a bug.
The SYSCTL register should be read before write in the
omap_hsmmc_context_restore() to remain the state of the reserved bits.
Before set the clock divisor and DTO bits the value from
CERR and BADA were in the wrong place and there are only
32 not 35.
Signed-off-by: Adrian Hunter
---
drivers/mmc/host/omap_hsmmc.c | 19 +++
1 files changed, 11 insertions(+), 8 deletions(-)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index bd528
From: Andy Shevchenko
There are two places where the same calculations are done. Let's split them to
separate function.
In addition the new function is simplified by usage DIV_ROUND_UP kernel macro.
Signed-off-by: Andy Shevchenko
Signed-off-by: Adrian Hunter
---
drivers/mmc/host/omap_hsmmc.c
From: Sudhir Bera
In fact the no_off check here will not be hit because
'omap_hsmmc_disabled_to_sleep()' won't schedule a
deeper disable in the no_off case.
Signed-off-by: Sudhir Bera
Signed-off-by: Adrian Hunter
---
drivers/mmc/host/omap_hsmmc.c |7 +++
1 files changed, 3 insertions(
The sDMA descriptor autoloading feature uses a fixed size
buffer to store descriptors for scatterlist segments.
That limits the scatterlist size to the maximum number
of descriptors that fit in the buffer. The driver must
set this limit for upper layers to obey.
Signed-off-by: Adrian Hunter
---
From: Andy Shevchenko
There is similar piece of code in two functions which enables clock. Split this
code to omap_hsmmc_start_clock(). Re-use omap_hsmmc_stop_clock() in
omap_hsmmc_context_restore() as well.
Signed-off-by: Andy Shevchenko
Signed-off-by: Adrian Hunter
---
drivers/mmc/host/omap
From: Andy Shevchenko
Move the min and max frequency constants to the definition block in the source
file.
Signed-off-by: Andy Shevchenko
Signed-off-by: Adrian Hunter
---
drivers/mmc/host/omap_hsmmc.c |6 --
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/ho
From: Jarkko Lavinen
Allow the bootloader do all the muxing.
Signed-off-by: Jarkko Lavinen
Signed-off-by: Adrian Hunter
---
arch/arm/mach-omap2/hsmmc.c |3 ++-
arch/arm/mach-omap2/hsmmc.h |1 +
2 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/hsmmc.c
Let the bootloader do all the pad configuration.
Signed-off-by: Adrian Hunter
---
arch/arm/mach-omap2/board-rm680.c |1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-rm680.c
b/arch/arm/mach-omap2/board-rm680.c
index 2af8b05..2dba9d0 100644
--- a/
Hi
Here are some patches for omap_hsmmc.
Adrian Hunter (10):
OMAP: DMA: add omap_dma_has_sglist()
OMAP: DMA: Ensure the sglist registers are cleared
mmc: omap_hsmmc: fix dma sglist use
mmc: omap_hsmmc: limit scatterlist size for sDMA autoloading
mmc: omap_hsmmc: corr
The new DMA descriptor auto-loading feature (referred to
as sglist in the code) uses new registers. Ensure they
are cleared.
Signed-off-by: Adrian Hunter
CC: Venkatraman S
CC: Madhusudhan C
CC: Shilimkar Santosh
CC: Tony Lindgren
---
arch/arm/plat-omap/dma.c | 11 ++-
1 files chan
From: Venkatraman S
Add sDMA driver support for descriptor autoloading feature.
Descriptor autoloading is OMAP sDMA v5 hardware capability that can be
exploited for scatter gather
scenarios, currently available in OMAP3630 and OMAP4430.
The feature works as described below.
1) A sDMA chan
From: Venkatraman S
autoloading feature
Start to use the sDMA descriptor autoloading feature.
For large datablocks, the MMC driver has to repeatedly setup,
program and teardown the dma channel for each element of the
sglist received in omap_hsmmc_request.
By using descriptor autoloading, transf
Simplify detection of the sglist feature and add a
define for the super block end event that occurs
with sglist transfers.
Signed-off-by: Adrian Hunter
CC: Venkatraman S
CC: Madhusudhan C
CC: Shilimkar Santosh
CC: Tony Lindgren
---
arch/arm/plat-omap/dma.c |5 +
arch/arm
Allow for the super block end event used by sglist
DMA transfers and tidy the detection of the DMA
sglist feature.
Signed-off-by: Adrian Hunter
CC: Venkatraman S
CC: Madhusudhan C
CC: Shilimkar Santosh
CC: Tony Lindgren
---
drivers/mmc/host/omap_hsmmc.c |4 ++--
1 files changed, 2 insert
From: Dmitry Tarnyagin
Earlier code was expecting that mmci_pio_write() returns
not more than 'remain' bytes transferred. It is not the case
for buffers which are not multiple of 4 bytes length.
The patch fix the problem by checking result of mmci_pio_write().
The fault was introduced in the ch
From: Linus Walleij
Right now the card detect IRQ for MMCI is requested without any
flags which will give some default machine-specified IRQ
behaviour. However on the U300 rising+falling edges (such as can
be expected from a simple GPIO to generate when inserting/removing
a card) need to be reque
Hi All,
The patches already have one Tested-by and Reviewed-by from Philip. Would
someone else also like to give their approval?
Thanks,
Arindam
> -Original Message-
> From: Arindam Nath [mailto:anath@gmail.com] On Behalf Of Arindam
> Nath
> Sent: Thursday, May 05, 2011 12:19 PM
> T
On Mon, May 2, 2011 at 9:53 PM, Per Forlin wrote:
> On Fri, Dec 3, 2010 at 1:13 PM, Chuanxiao Dong
> wrote:
>> From 984adc755cf2f7966a89e510a50f085e314fe347 Mon Sep 17 00:00:00 2001
>> From: Chuanxiao Dong
>> Date: Mon, 22 Nov 2010 16:31:12 +0800
>> Subject: [PATCH 1/4] mmc: Enabled background
56 matches
Mail list logo
