Hi Ulf,
On 2016/11/29 19:11, Ulf Hansson wrote:
> [...]
>
>
Sorry that I didn't make myself clear.
Our host PHY delay line consists of hundreds of sampling points.
Each sampling point represents a different phase shift.
In lower speed mode, our h
[...]
>>>
>>>Sorry that I didn't make myself clear.
>>>
>>>Our host PHY delay line consists of hundreds of sampling points.
>>>Each sampling point represents a different phase shift.
>>>
>>>In lower speed mode, our host driver will scan the delay line.
>>>It will select an
Hi Ulf,
On 2016/11/29 15:49, Ulf Hansson wrote:
> On 29 November 2016 at 03:53, Ziji Hu wrote:
>> Hi Ulf,
>>
>> On 2016/11/28 23:16, Ulf Hansson wrote:
>>> On 28 November 2016 at 12:38, Ziji Hu wrote:
Hi Ulf,
On 2016/11/28 19:13, Ulf Hansson wrote:
>>
>> As you suggest
On 29 November 2016 at 03:53, Ziji Hu wrote:
> Hi Ulf,
>
> On 2016/11/28 23:16, Ulf Hansson wrote:
>> On 28 November 2016 at 12:38, Ziji Hu wrote:
>>> Hi Ulf,
>>>
>>> On 2016/11/28 19:13, Ulf Hansson wrote:
>
> As you suggest, I replace mmc_wait_for_cmd() with mmc_send_tuning(),
Hi Ulf,
On 2016/11/28 23:16, Ulf Hansson wrote:
> On 28 November 2016 at 12:38, Ziji Hu wrote:
>> Hi Ulf,
>>
>> On 2016/11/28 19:13, Ulf Hansson wrote:
As you suggest, I replace mmc_wait_for_cmd() with mmc_send_tuning(), to
send commands for testing current sampling point s
On 28 November 2016 at 12:38, Ziji Hu wrote:
> Hi Ulf,
>
> On 2016/11/28 19:13, Ulf Hansson wrote:
>>>
>>> As you suggest, I replace mmc_wait_for_cmd() with mmc_send_tuning(), to
>>> send commands for testing current sampling point set in our host PHY.
>>>
>>> According to my test resu
Hi Ulf,
On 2016/11/28 19:13, Ulf Hansson wrote:
>>
>> As you suggest, I replace mmc_wait_for_cmd() with mmc_send_tuning(), to
>> send commands for testing current sampling point set in our host PHY.
>>
>> According to my test result, it shows that mmc_send_tuning() can only
>> support
>
> As you suggest, I replace mmc_wait_for_cmd() with mmc_send_tuning(), to
> send commands for testing current sampling point set in our host PHY.
>
> According to my test result, it shows that mmc_send_tuning() can only
> support
> tuning command (CMD21/CMD19).
> As a result,
[...]
>
> Could you please tell me the requirement of "op_code" parameter in
> mmc_send_tuning()?
> According to mmc_send_tuning(),it seems that tuning command(CMD19/CMD21)
> is required. Thus device will not response mmc_send_tuning() if current
> speed mode doesn't support tu
Hi Ulf,
On 2016/11/24 23:37, Ziji Hu wrote:
> Hi Ulf,
>
> On 2016/11/24 22:33, Ulf Hansson wrote:
>>>
>>>As result, our SDHC driver has to implement the functionality to
>>>send commands and check the results, in host layer.
>>>If directly calling mmc_wait_for_cmd() is improper, coul
Hi Ulf,
On 2016/11/24 22:33, Ulf Hansson wrote:
> [...]
>
>>>
+
+static int __xenon_emmc_delay_adj_test(struct mmc_card *card)
+{
+ int err;
+ u8 *ext_csd = NULL;
+
+ err = mmc_get_ext_csd(card, &ext_csd);
+ kfree(ext_csd);
>>>
[...]
>>
>>>
>>> +
>>> +static int __xenon_emmc_delay_adj_test(struct mmc_card *card)
>>> +{
>>> + int err;
>>> + u8 *ext_csd = NULL;
>>> +
>>> + err = mmc_get_ext_csd(card, &ext_csd);
>>> + kfree(ext_csd);
>>
>> Why do you read the ext csd here?
>>
>I would like to sim
Hi Ulf,
Thanks a lot for the review.
On 2016/11/24 19:37, Ulf Hansson wrote:
> On 31 October 2016 at 12:09, Gregory CLEMENT
> wrote:
>> From: Ziji Hu
>>
>> Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
>> Three types of PHYs are supported.
>>
>> Add support to multiple types of PH
On 31 October 2016 at 12:09, Gregory CLEMENT
wrote:
> From: Ziji Hu
>
> Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
> Three types of PHYs are supported.
>
> Add support to multiple types of PHYs init and configuration.
> Add register definitions of PHYs.
>
> Signed-off-by: Hu Ziji
>
On Thursday, November 24, 2016 6:57:18 PM CET Ziji Hu wrote:
> >
> > Please explain in the changelog why this is not a generic
> > phy driver (or three of them).
> >
> Actually we tried to put the PHY code into Linux PHY framework.
> But it cannot fit in Linux common PHY framework
Hi Arnd,
On 2016/11/24 17:56, Arnd Bergmann wrote:
> On Monday, October 31, 2016 12:09:56 PM CET Gregory CLEMENT wrote:
>> From: Ziji Hu
>>
>> Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
>> Three types of PHYs are supported.
>>
>> Add support to multiple types of PHYs init and config
On Monday, October 31, 2016 12:09:56 PM CET Gregory CLEMENT wrote:
> From: Ziji Hu
>
> Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
> Three types of PHYs are supported.
>
> Add support to multiple types of PHYs init and configuration.
> Add register definitions of PHYs.
>
> Signed-o
From: Ziji Hu
Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
Three types of PHYs are supported.
Add support to multiple types of PHYs init and configuration.
Add register definitions of PHYs.
Signed-off-by: Hu Ziji
Signed-off-by: Gregory CLEMENT
---
MAINTAINERS
On 18/10/16 15:04, Ziji Hu wrote:
> Hi Adrian,
>
> On 2016/10/17 15:55, Adrian Hunter wrote:
>> On 12/10/16 15:17, Ziji Hu wrote:
>>> Hi Adrian,
>>>
>>> On 2016/10/11 20:39, Adrian Hunter wrote:
>
> +static int __xenon_emmc_delay_adj_test(struct mmc_card *card)
> +{
> + int err;
>
Hi Adrian,
On 2016/10/17 15:55, Adrian Hunter wrote:
> On 12/10/16 15:17, Ziji Hu wrote:
>> Hi Adrian,
>>
>> On 2016/10/11 20:39, Adrian Hunter wrote:
+static int __xenon_emmc_delay_adj_test(struct mmc_card *card)
+{
+ int err;
+ u8 *ext_csd = NULL;
+
+ err = mmc_
On 12/10/16 15:17, Ziji Hu wrote:
> Hi Adrian,
>
> On 2016/10/11 20:39, Adrian Hunter wrote:
>> On 07/10/16 18:22, Gregory CLEMENT wrote:
>>> From: Ziji Hu
>>>
>>> Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
>>> Three types of PHYs are supported.
>>>
>>> Add support to multiple types
Hi Adrian,
On 2016/10/11 20:39, Adrian Hunter wrote:
> On 07/10/16 18:22, Gregory CLEMENT wrote:
>> From: Ziji Hu
>>
>> Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
>> Three types of PHYs are supported.
>>
>> Add support to multiple types of PHYs init and configuration.
>> Add registe
On 07/10/16 18:22, Gregory CLEMENT wrote:
> From: Ziji Hu
>
> Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
> Three types of PHYs are supported.
>
> Add support to multiple types of PHYs init and configuration.
> Add register definitions of PHYs.
>
> Signed-off-by: Hu Ziji
> Reviewe
在 2016/10/8 17:28, Ziji Hu 写道:
Hi Shawn,
On 2016/10/8 10:44, Shawn Lin wrote:
在 2016/10/7 23:22, Gregory CLEMENT 写道:
From: Ziji Hu
Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
Three types of PHYs are supported.
Add support to multiple types of PHYs init and configuration.
Add re
Hi Shawn,
On 2016/10/8 10:44, Shawn Lin wrote:
> 在 2016/10/7 23:22, Gregory CLEMENT 写道:
>> From: Ziji Hu
>>
>> Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
>> Three types of PHYs are supported.
>>
>> Add support to multiple types of PHYs init and configuration.
>> Add register definit
在 2016/10/7 23:22, Gregory CLEMENT 写道:
From: Ziji Hu
Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
Three types of PHYs are supported.
Add support to multiple types of PHYs init and configuration.
Add register definitions of PHYs.
Signed-off-by: Hu Ziji
Reviewed-by: Gregory CLEMENT
From: Ziji Hu
Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
Three types of PHYs are supported.
Add support to multiple types of PHYs init and configuration.
Add register definitions of PHYs.
Signed-off-by: Hu Ziji
Reviewed-by: Gregory CLEMENT
Signed-off-by: Gregory CLEMENT
---
MA
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