This platform driver adds the support of Secure Digital Host
Controller Interface compliant controller in MSM chipsets.
Signed-off-by: Asutosh Das
Signed-off-by: Venkat Gopalakrishnan
---
.../devicetree/bindings/mmc/sdhci-msm.txt | 49 +
drivers/mmc/host/Kconfig
On Tue, Jan 08, 2013 at 10:16:46AM -0800, Dmitry Torokhov wrote:
> Hi Yuanhan,
>
> On Tue, Jan 08, 2013 at 10:57:53PM +0800, Yuanhan Liu wrote:
> > The current kfifo API take the kfifo size as input, while it rounds
> > _down_ the size to power of 2 at __kfifo_alloc. This may introduce
> > potent
The devm_ functions allocate memory that is released when a driver
detaches. This patch uses devm_clk_get() for these functions.
These make the code smaller and a bit simpler.
Signed-off-by: Jingoo Han
---
drivers/mmc/host/sdhci-s3c.c | 17 ++---
1 files changed, 2 insertions(+), 1
Dmitry Torokhov wrote:
>Hi Yuanhan,
>
>On Tue, Jan 08, 2013 at 10:57:53PM +0800, Yuanhan Liu wrote:
>> The current kfifo API take the kfifo size as input, while it rounds
>> _down_ the size to power of 2 at __kfifo_alloc. This may introduce
>> potential issue.
>>
>> Take the code at drivers/hid
On 8 January 2013 10:42, Sachin Kamat wrote:
> devm_regulator_get is device managed and saves some cleanup
> and exit code.
>
> Signed-off-by: Sachin Kamat
> ---
> Compile tested against linux-next tree (20130108).
> ---
> drivers/mmc/host/mmci.c |3 +--
> 1
On 8 January 2013 20:36, Nicolas Pitre wrote:
> On Tue, 8 Jan 2013, Johan Rudholm wrote:
>
>> This patch series attempts to make the 1.8V signal voltage switch
>> required for UHS mode work according to the SD specification.
>>
>> These patches have been tested with a couple of UHS SD cards, one o
On Tue, 8 Jan 2013, Johan Rudholm wrote:
> This patch series attempts to make the 1.8V signal voltage switch
> required for UHS mode work according to the SD specification.
>
> These patches have been tested with a couple of UHS SD cards, one of
> which sometimes requires up to five power cycles
Hi Yuanhan,
On Tue, Jan 08, 2013 at 10:57:53PM +0800, Yuanhan Liu wrote:
> The current kfifo API take the kfifo size as input, while it rounds
> _down_ the size to power of 2 at __kfifo_alloc. This may introduce
> potential issue.
>
> Take the code at drivers/hid/hid-logitech-dj.c as example:
>
Hi Venkat,
I was looking for some explanations of eMMC behavior in products we are
developing now and found your comments around eMMC here. Our observation shows
that that eMMC performance vary significantly and depends on volume of data to
write during time slot and temperature. After a heavy
The current kfifo API take the kfifo size as input, while it rounds
_down_ the size to power of 2 at __kfifo_alloc. This may introduce
potential issue.
Take the code at drivers/hid/hid-logitech-dj.c as example:
if (kfifo_alloc(&djrcv_dev->notif_fifo,
DJ_MAX_NUMBER_
On 8 January 2013 15:05, Johan Rudholm wrote:
> This patch series attempts to make the 1.8V signal voltage switch
> required for UHS mode work according to the SD specification.
>
> These patches have been tested with a couple of UHS SD cards, one of
> which sometimes requires up to five power cyc
On 8 January 2013 11:23, Johan Rudholm wrote:
> Hi Kevin and Ulf,
>
> 2013/1/8 Ulf Hansson :
>> On 8 January 2013 01:56, Kevin Liu wrote:
>>> 2013/1/8 Ulf Hansson :
On 7 January 2013 16:10, Johan Rudholm
wrote:
> Allow callers to access the start_signal_voltage_switch host_ops
>>>
On 8 January 2013 15:06, Johan Rudholm wrote:
> Allow callers to access the start_signal_voltage_switch host_ops
> member without going through any cmd11 logic. This is mostly a
> preparation for the following signal voltage switch patch.
>
> Also, reset ios.signal_voltage to its original value if
This patch series attempts to make the 1.8V signal voltage switch
required for UHS mode work according to the SD specification.
These patches have been tested with a couple of UHS SD cards, one of
which sometimes requires up to five power cycles before it accepts the
signal voltage switch. The pat
When switching SD and SDIO cards from 3.3V to 1.8V signal levels, the
clock should be gated for 5 ms during the step. After enabling the
clock, the host should wait for at least 1 ms before checking for
failure. Failure by the card to switch is indicated by dat[0:3] being
pulled low. The host shoul
Add mmc_power_cycle which can be used to power cycle for instance
SD-cards.
Signed-off-by: Johan Rudholm
---
drivers/mmc/core/core.c |8
drivers/mmc/core/core.h |1 +
2 files changed, 9 insertions(+)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index aaed768..
Allow callers to access the start_signal_voltage_switch host_ops
member without going through any cmd11 logic. This is mostly a
preparation for the following signal voltage switch patch.
Also, reset ios.signal_voltage to its original value if
start_signal_voltage_switch fails.
Signed-off-by: Joha
This host_ops member is used to test if the card is signaling busy by
pulling dat[0:3] low.
Signed-off-by: Johan Rudholm
---
include/linux/mmc/host.h |3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 61a10c1..3b56ef2 100644
--- a/
sequential write to a file with blocksize less than PAGE_SIZE will call
mark_page_accessed multiple times,
if (!pagevec_space(pvec))
__pagevec_lru_add(pvec, lru);
it seems this trick fix this problem,but not quite thoroughly. there's a chance
that when another page was add
Hi Kevin and Ulf,
2013/1/8 Ulf Hansson :
> On 8 January 2013 01:56, Kevin Liu wrote:
>> 2013/1/8 Ulf Hansson :
>>> On 7 January 2013 16:10, Johan Rudholm wrote:
Allow callers to access the start_signal_voltage_switch host_ops
member without going through any cmd11 logic. This is mostly
yes, you are right, I will change them later, thanks.
Regards
Zhang,Yi.
-Original Message-
From: linux-mmc-ow...@vger.kernel.org [mailto:linux-mmc-ow...@vger.kernel.org]
On Behalf Of Konstantin Dorfman
Sent: Tuesday, January 08, 2013 4:23 PM
To: Zhang, YiX X
Cc: c...@laptop.org; linux-m
From: Wei WANG
Different card reader has different method to switch output voltage,
add this callback to let the card reader implement its individual switch
function.
Signed-off-by: Wei WANG
---
drivers/mfd/rtl8411.c| 16
drivers/mfd/rts5209.c| 20 +
From: Wei WANG
In function rtsx_pci_add_sg_tbl, the statement "ptr++" is useless.
Signed-off-by: Wei WANG
Acked-by: Borislav Petkov
---
drivers/mfd/rtsx_pcr.c |1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 3a44efa..fa2c2bc 100644
--
From: Wei WANG
Add callback function conv_clk_and_div_n to convert between SSC clock
and its divider N.
For rtl8411, the formula to calculate SSC clock divider N is different
with the other card reader models.
Signed-off-by: Wei WANG
---
drivers/mfd/rtl8411.c | 13 +
dr
From: Wei WANG
Realtek PCIe card reader only supports 32bit DMA.
This declaration can improve the readability
Signed-off-by: Wei WANG
---
drivers/mfd/rtsx_pcr.c |4
1 file changed, 4 insertions(+)
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index fa2c2bc..1dc64bb 100
From: Wei WANG
In function rtsx_pci_switch_clock, some variables, such as min_n, max_n,
and max_div, are not necessary. And those assigned values look very
obscure for others. It's more proper to use macro definitions here to
replace these variables.
Signed-off-by: Wei WANG
Acked-by: Borislav P
From: Wei WANG
WARNING: Avoid CamelCase:
+ u8 N, min_N, max_N, clk_divider;
WARNING: Avoid CamelCase:
+ u8 N, min_N, max_N, clk_divider;
Signed-off-by: Wei WANG
---
drivers/mfd/rtsx_pcr.c | 26 +-
1 file changed, 13 insertions(+), 13 deletions(-)
diff
From: Wei WANG
Different card reader has different method to switch output voltage, so
we have to use the callback function provided by MFD driver to switch
output pad voltage.
Signed-off-by: Wei WANG
---
drivers/mmc/host/rtsx_pci_sdmmc.c | 30 +-
1 file changed,
From: Wei WANG
v2:
1. Add commit message for patch 2
2. Move pci_set_dma_mask before the pci_enable_device(pcidev) call
v3:
1. Add commit message for patch 3
2. Add patch 8: Use macro defines to replace some variables
v4:
1. Describe why patch 3 is needed
2. Modify a comment character in patch
From: Wei WANG
Fix a misspelling word in comment
Signed-off-by: Wei WANG
---
include/linux/mfd/rtsx_pci.h |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
index 060b721..bebe9f9 100644
--- a/include/linux/mfd/rts
devm_regulator_get is device managed and saves some cleanup
and exit code.
Signed-off-by: Sachin Kamat
---
Compile tested against linux-next tree (20130108).
---
drivers/mmc/host/mmci.c |3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/mmci.c b/drivers
On 7 January 2013 16:10, Johan Rudholm wrote:
> When switching SD and SDIO cards from 3.3V to 1.8V signal levels, the
> clock should be gated for 5 ms during the step. After enabling the
> clock, the host should wait for at least 1 ms before checking for
> failure. Failure by the card to switch is
On 8 January 2013 01:56, Kevin Liu wrote:
> 2013/1/8 Ulf Hansson :
>> On 7 January 2013 16:10, Johan Rudholm wrote:
>>> Allow callers to access the start_signal_voltage_switch host_ops
>>> member without going through any cmd11 logic. This is mostly a
>>> preparation for the following signal volt
May be it is worth to change all this struct comments to be:
u8 raw_exception_status; /* EXT_CSD_EXP_EVENTS_STATUS */
This will reference actual offset value from "include/linux/mmc/mmc.h"
Thanks,
On 01/08/2013 08:07 AM, Zhang, YiX X wrote:
From aaea3405944d844f53679b295d4082584f33d9
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