On Wed, Jul 1, 2015 at 5:57 PM, Jaehoon Chung wrote:
> Hi,
>
> Is sdhost based on SDHCI controller?
> Why don't use sdhci.c? Is there any reason?
>
> Best Regards,
> Jaehoon Chung
>
Because of base64 code problem of his email server, I'm reporting his
reply instead.
>From Billows Wu
---
On 06/26/2015 04:16 AM, Ivan T. Ivanov wrote:
> Ensure SDCC is working with maximum clock otherwise card
> detection could be extremely slow, up to 7 seconds.
>
> Signed-off-by: Ivan T. Ivanov
> ---
With the typo fixed.
Acked-by: Stephen Boyd
--
Qualcomm Innovation Center, Inc. is a member of
On 1 July 2015 at 14:24, Alan Cooper wrote:
> There is a WRITE PROTECT signal from the card socket to the host
> controller that may not be connected. You can try booting the kernel
> with "sdhci.debug_quirks=0x1". This tells the driver that the WP
> signal is inverted.
thanks.
won't that cau
On 1 July 2015 at 14:24, Alan Cooper wrote:
> There is a WRITE PROTECT signal from the card socket to the host
> controller that may not be connected. You can try booting the kernel
> with "sdhci.debug_quirks=0x1". This tells the driver that the WP
> signal is inverted.
thanks.
won't that cau
On 30 June 2015 at 17:06, Venkatraman S wrote:
>> Is there some way to override the mmc driver read-only/write-protect
>> function to force the driver to allow writing?
>>
> Are the reads working properly ?
> Can you enable MMC_DEBUG in the kernel config to collect more information ?
reading work
On 30 June 2015 at 17:06, Venkatraman S wrote:
>> Is there some way to override the mmc driver read-only/write-protect
>> function to force the driver to allow writing?
>>
> Are the reads working properly ?
> Can you enable MMC_DEBUG in the kernel config to collect more information ?
reading work
On 1 July 2015 at 14:13, Bastien Nocera wrote:
> Hey Dong,
>
>> Some SDIO cards may not be able to work well without clock.
>
> I've been needing to use this particular patch on a BayTrail tablet with a
> Realtek 8723BS SDIO Wi-Fi chip to get Wi-Fi to be stable. This is using
I've got a Toshiba
On 1 July 2015 at 14:13, Bastien Nocera wrote:
> Hey Dong,
>
>> Some SDIO cards may not be able to work well without clock.
>
> I've been needing to use this particular patch on a BayTrail tablet with a
> Realtek 8723BS SDIO Wi-Fi chip to get Wi-Fi to be stable. This is using
I've got a Toshiba
On Wed, Jul 1, 2015 at 2:23 AM, Chunyan Zhang
wrote:
> From: Billows Wu
>
> The Spreadtrum MMC host driver is used to support EMMC, SD, and
> SDIO types of memory cards.
>
> Signed-off-by: Billows Wu
> Reviewed-by: Orson Zhai
> Signed-off-by: Chunyan Zhang
> ---
> drivers/mmc/host/sprd_sdhost
Hey Dong,
> Some SDIO cards may not be able to work well without clock.
I've been needing to use this particular patch on a BayTrail tablet with a
Realtek 8723BS SDIO Wi-Fi chip to get Wi-Fi to be stable. This is using
the most recent upstream Linus kernels as well. Is there any reason this
parti
On Tue, Jun 30, 2015 at 09:38:45PM -0700, Bjorn Andersson wrote:
> +- vmmc-load: requested load for the vmmc regulator, in mA
> +- vqmmc-load: requested load for the vqmmc regulator, in mA
Isn't this something that should have default values from the spec? The
binding also ought to say what a "r
On Wednesday 01 July 2015 03:32 PM, Alexey Brodkin wrote:
> Hi Jaehoon, Seungwon, Ulf,
>
> On Thu, 2015-06-25 at 11:25 +0300, Alexey Brodkin wrote:
>> > As per DW MobileStorage databook "each descriptor can transfer up to
>> > 4kB
>> > of data in chained mode", moreover buffer size that is put in
Hi, Alexey.
Sorry for reviewing late. i missed this patch.
I will check your patch and reply at mailing.
Thanks a lot for noticing this.
Best Regards,
Jaehoon Chung
On 07/01/2015 07:02 PM, Alexey Brodkin wrote:
> Hi Jaehoon, Seungwon, Ulf,
>
> On Thu, 2015-06-25 at 11:25 +0300, Alexey Brodkin w
Hi Jaehoon, Seungwon, Ulf,
On Thu, 2015-06-25 at 11:25 +0300, Alexey Brodkin wrote:
> As per DW MobileStorage databook "each descriptor can transfer up to
> 4kB
> of data in chained mode", moreover buffer size that is put in "des1"
> is
> limited to 13 bits, i.e. for example on attempt to
> IDMA
Hi,
Is sdhost based on SDHCI controller?
Why don't use sdhci.c? Is there any reason?
Best Regards,
Jaehoon Chung
On 07/01/2015 04:12 PM, Chunyan Zhang wrote:
> From: Billows Wu
>
> The Spreadtrum MMC host driver is used to support EMMC, SD, and
> SDIO types of memory cards.
>
> Signed-off-by
Hi Ben,
Thank you for the patch.
On Tuesday 30 June 2015 17:54:09 Ben Hutchings wrote:
> All the SHDIs can operate with either 3.3V or 1.8V signals, depending
> on negotiation with the card.
>
> Implement the {get,set}_io_voltage operations and set the related
> capability flag for the associate
From: Billows Wu
The Spreadtrum MMC host driver is used to support EMMC, SD, and
SDIO types of memory cards.
Signed-off-by: Billows Wu
Reviewed-by: Orson Zhai
Signed-off-by: Chunyan Zhang
---
drivers/mmc/host/sprd_sdhost.c | 1270
drivers/mmc/host/spr
Hi Ben,
Thank you for the patch.
On Tuesday 30 June 2015 17:53:59 Ben Hutchings wrote:
> The pfc in the R8A7790 (and probably others in the R-Car gen 2 family)
> supports switching SDHI signals between 3.3V and 1.8V nominal voltage,
> and the SD driver should do that when switching to and from UH
From: Billows Wu
The Spreadtrum MMC host driver is used to support EMMC, SD, and
SDIO types of memory cards.
Signed-off-by: Billows Wu
Reviewed-by: Orson Zhai
Signed-off-by: Chunyan Zhang
---
drivers/mmc/host/sprd_sdhost.c | 1270
drivers/mmc/host/spr
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