On 29 August 2014 12:24, Alim Akhtar wrote:
> There are upcoming ARM64 SoCs with dw_mmc host controller.
>
> Signed-off-by: Alim Akhtar
> ---
> drivers/mmc/host/Kconfig |2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
From: Kuninori Morimoto
sh_mobile_sdhi cares multiblock read bug.
remove MMC_CAP2_NO_MULTI_READ flag from board code
Signed-off-by: Kuninori Morimoto
---
v3 -> v4
- no change
arch/arm/mach-shmobile/board-lager.c |2 --
1 file changed, 2 deletions(-)
diff --git a/arch/arm/mach-shmobile/b
From: Kuninori Morimoto
Now, mmc framework uses multi_io_quirk
for I/O HW bug workaround.
MMC_CAP2_NO_MULTI_READ flag is no longer needed
Signed-off-by: Kuninori Morimoto
---
v3 -> v4
- no change
drivers/mmc/card/block.c |5 -
include/linux/mmc/host.h |1 -
2 files changed, 6 de
From: Kuninori Morimoto
sh_mobile_sdhi cares multiblock read bug.
remove MMC_CAP2_NO_MULTI_READ flag from board code
Signed-off-by: Kuninori Morimoto
---
v3 -> v4
- no change
arch/arm/mach-shmobile/board-koelsch.c |3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/arm/mach-shmobi
From: Kuninori Morimoto
Now, sh_mobile_sdhi can use .multi_io_quirk callback
instead of MMC_CAP2_NO_MULTI_READ flags.
let's use it.
Signed-off-by: Kuninori Morimoto
---
v3 -> v4
- no change
drivers/mmc/host/sh_mobile_sdhi.c | 20 +++-
1 file changed, 19 insertions(+), 1 de
From: Kuninori Morimoto
Now, tmio_mmc can use .multi_io_quirk callback
instead of MMC_CAP2_NO_MULTI_READ flags.
let's use it.
Signed-off-by: Kuninori Morimoto
---
v3 -> v4
- remove un-needed header
drivers/mmc/host/tmio_mmc_pio.c | 13 +
include/linux/mfd/tmio.h|3
From: Kuninori Morimoto
Now, omap_hsmmc can use .multi_io_quirk callback
instead of MMC_CAP2_NO_MULTI_READ flags.
let's use it.
Signed-off-by: Kuninori Morimoto
---
v3 -> v4
- don't use flag
drivers/mmc/host/omap_hsmmc.c | 14 --
1 file changed, 12 insertions(+), 2 deletions(-
Hi Ulf, Chris, and Simon
These are v4 patches of removing MMC_CAP2_NO_MULTI_READ from mmc.
Simon
4) and 5) are for sh-arm patches.
Can you check these, and give it your Acked-by ?
Kuninori Morimoto (6):
1) mmc: use .multi_io_quirk on omap_hsmmc
2) mmc: use .multi_io_quirk on tmio_mm
Hi Ulf
> > omap_hsmmc@0 0xAA irq = (MULTI read workaround is needed)
> > omap_hsmmc@1 0xBB irq = (MULTI read workaround is not needed)
> >
> > Maybe current omap doesn't have 2 hsmmc on 1 SoC (I don't know)
> > but, we don't know the future ?
> > Of course I can follow your styl
On 9 September 2014 08:07, Kuninori Morimoto
wrote:
>
> Hi Ulf
>
>> > This means we need to copy this ops for each driver ?
>> > Otherwise, it breaks behavior if many drivers were probed.
>>
>> The are only one driver for omap_hsmmc, this is not tmio, which
>> certainly is a different story.
>>
>>
Hi Ulf
> > sh_mobile_sdhi is based on tmio_mmc_xxx,
> > and sh_mobile_sdhi side needs this quirk.
> > I don't know original tmio_mmc_xxx HW.
> >
> > Of course we can add new flag to tmio driver,
> > but, it is same way as before ?
>
> You are right, let's keep this patch as is, besides the "#inc
On 9 September 2014 02:14, Kuninori Morimoto
wrote:
>
> Hi Ulf
>
>> > @@ -142,6 +144,8 @@ struct tmio_mmc_data {
>> > /* clock management callbacks */
>> > int (*clk_enable)(struct platform_device *pdev, unsigned int *f);
>> > void (*clk_disable)(struct platform_device *pde
Hi Ulf
> > This means we need to copy this ops for each driver ?
> > Otherwise, it breaks behavior if many drivers were probed.
>
> The are only one driver for omap_hsmmc, this is not tmio, which
> certainly is a different story.
>
> What you need to do, is to make omap_hsmmc_ops non const - an
On 9 September 2014 02:09, Kuninori Morimoto
wrote:
>
> Hi Ulf
>
>> > diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
>> > index ece1634..7b41f57 100644
>> > --- a/drivers/mmc/host/omap_hsmmc.c
>> > +++ b/drivers/mmc/host/omap_hsmmc.c
>> > @@ -219,6 +219,7 @@ struct omap
On Mon, Sep 08, 2014 at 07:45:46PM -0700, Kuninori Morimoto wrote:
>
> Hi Simon
>
> > > Kuninori Morimoto (7):
> > > mmc: add .multi_io_quirk callback for multi I/O HW bug
> > > mmc: use .multi_io_quirk on omap_hsmmc
> > > mmc: use .multi_io_quirk on tmio_mmc
> > > mmc: us
Hi Simon
> > Kuninori Morimoto (7):
> > mmc: add .multi_io_quirk callback for multi I/O HW bug
> > mmc: use .multi_io_quirk on omap_hsmmc
> > mmc: use .multi_io_quirk on tmio_mmc
> > mmc: use .multi_io_quirk on sh_mobile
> > ARM: shmobile: remove MMC_CAP2_NO_MULTI_RE
On Tue, Sep 02, 2014 at 07:08:02PM -0700, Kuninori Morimoto wrote:
>
> Hi Ulf, Chris, and Simon
>
> These are v3 patches of removing MMC_CAP2_NO_MULTI_READ from mmc.
>
> Simon
> 5) and 6) are for sh-arm patches.
> Can you check it ?
>
> Kuninori Morimoto (7):
> mmc: add .multi_io_quirk ca
Kind remind.
BRs,
Yi Sun
-Original Message-
From: Sun, Yi Y
Sent: Thursday, August 14, 2014 1:52 PM
To: linux-mmc@vger.kernel.org; ulf.hans...@linaro.org
Cc: Sun, Yi Y
Subject: [PATCH v2] mmc: execute tuning when device is not busy.
We find tuning timeout because of the secure erase ope
Hi Ulf
> > @@ -142,6 +144,8 @@ struct tmio_mmc_data {
> > /* clock management callbacks */
> > int (*clk_enable)(struct platform_device *pdev, unsigned int *f);
> > void (*clk_disable)(struct platform_device *pdev);
> > + int (*multi_io_quirk)(struct mmc_card *card,
Hi Ulf
> > diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
> > index ece1634..7b41f57 100644
> > --- a/drivers/mmc/host/omap_hsmmc.c
> > +++ b/drivers/mmc/host/omap_hsmmc.c
> > @@ -219,6 +219,7 @@ struct omap_hsmmc_host {
> > #define AUTO_CMD23 (1 << 0)
Hi Chrish, Ulf, Arnd
Any comments/suggestions?
On Fri, Aug 29, 2014 at 3:54 PM, Alim Akhtar wrote:
> There are upcoming ARM64 SoCs with dw_mmc host controller.
>
> Signed-off-by: Alim Akhtar
> ---
> drivers/mmc/host/Kconfig |2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --
On 18 August 2014 15:12, Grégory Soutadé wrote:
> Checks EXT_CSD_PARTITION_SETTING_COMPLETED bit before
> computing enhanced user area offset and size, and adding
> mmc general purpose partitions.
> The two needs EXT_CSD_PARTITION_SETTING_COMPLETED bit be set
> to be valid (as described in JEDEC s
On 4 September 2014 09:18, Yunpeng Gao wrote:
> Due to HW issue, SDHCI host controller on Intel
> Baytrail/Merrifield platforms can not use preset
> register. So, disable preset registers for them by quirks.
>
> Signed-off-by: Yunpeng Gao
> Signed-off-by: Chuanxiao Dong
Thanks! Applied for next
On 8 September 2014 13:11, Lee Jones wrote:
> On Mon, 08 Sep 2014, Ulf Hansson wrote:
>
>> On 3 September 2014 04:09, Kuninori Morimoto
>> wrote:
>> > From: Kuninori Morimoto
>> >
>> > Now, tmio_mmc can use .multi_io_quirk callback
>> > instead of MMC_CAP2_NO_MULTI_READ flags.
>> > let's use it.
On 5 September 2014 23:42, Sergei Shtylyov
wrote:
> I spent a couple of days with the driver just hanging due to me forgetting to
> specify the external crystal frequency, so that clk_get_rate() returned 0 and
> thus the loop in tmio_mmc_set_clock() never ended. I don't think that's an
> acceptab
On Mon, 08 Sep 2014, Ulf Hansson wrote:
> On 3 September 2014 04:09, Kuninori Morimoto
> wrote:
> > From: Kuninori Morimoto
> >
> > Now, tmio_mmc can use .multi_io_quirk callback
> > instead of MMC_CAP2_NO_MULTI_READ flags.
> > let's use it.
> >
> > Signed-off-by: Kuninori Morimoto
> > ---
> >
On 8 September 2014 12:28, Ulf Hansson wrote:
> On 3 September 2014 04:09, Kuninori Morimoto
> wrote:
>> From: Kuninori Morimoto
>>
>> Now, sh_mobile_sdhi can use .multi_io_quirk callback
>> instead of MMC_CAP2_NO_MULTI_READ flags.
>> let's use it.
>>
>> Signed-off-by: Kuninori Morimoto
>
> Tha
On 3 September 2014 04:09, Kuninori Morimoto
wrote:
> From: Kuninori Morimoto
>
> Now, tmio_mmc can use .multi_io_quirk callback
> instead of MMC_CAP2_NO_MULTI_READ flags.
> let's use it.
>
> Signed-off-by: Kuninori Morimoto
> ---
> v2 -> v3
>
> - blk_size_workaround -> multi_io_quirk
>
> driv
On 3 September 2014 04:09, Kuninori Morimoto
wrote:
> From: Kuninori Morimoto
>
> Now, sh_mobile_sdhi can use .multi_io_quirk callback
> instead of MMC_CAP2_NO_MULTI_READ flags.
> let's use it.
>
> Signed-off-by: Kuninori Morimoto
Thanks! Applied for next!
Kind regards
Uffe
> ---
> v2 -> v3
>
On 3 September 2014 04:09, Kuninori Morimoto
wrote:
> From: Kuninori Morimoto
>
> Now, omap_hsmmc can use .multi_io_quirk callback
> instead of MMC_CAP2_NO_MULTI_READ flags.
> let's use it.
>
> Signed-off-by: Kuninori Morimoto
> ---
> v2 -> v3
>
> - blk_size_workaround -> multi_io_quirk
>
> dr
On 3 September 2014 04:08, Kuninori Morimoto
wrote:
> From: Kuninori Morimoto
>
> Historically, we have been using MMC_CAP* to solve
> some issues, and current mmc block.c has
> MMC_CAP2_NO_MULTI_READ flag for multi I/O HW bug workaround.
> But it should be implemented under driver, not framework
Hello.
On 9/8/2014 8:29 AM, Kuninori Morimoto wrote:
From: Kuninori Morimoto
Current tmio is using sd_ctrl_read16/write16_rep()
for data transfer.
It works if transfer size was even number,
but, last 1 byte will be ignored if
transfer size was odd number.
This patch adds new tmio_mmc_transf
Hi Morimoto-san,
On Mon, Sep 8, 2014 at 10:06 AM, Kuninori Morimoto
wrote:
> About endianness / byte access, it requires byte access
> especially "read" case.
> Because if count was odd number,
> using shift with u16 will might be buffer overflow
Of course the buffer must be accessed using byte
Hi Geert
> If count is even, we never get that far, so the even numbers should not
> be present in your table above?
>
> If count is odd, "(count - 1) >> 1 == count >> 1".
Ahh, yes, indeed.
About endianness / byte access, it requires byte access
especially "read" case.
Because if count was odd
Hello Jaehoon Chung
Am 03.09.2014 03:47, wrote Jaehoon Chung:
> Hi, Markus
>
> Sorry for replying too late.
>
> On 08/30/2014 01:49 AM, Markus Niebel wrote:
>> Hello,
>>
>> experimenting with the current BKOPS code we found, that when triggering
>> from BKOPS_LEVEL 1,
>> the status stored with
Hi Morimoto-san,
On Mon, Sep 8, 2014 at 9:36 AM, Kuninori Morimoto
wrote:
> > + buf8 = (u8 *)(buf + ((count - 1) >> 1));
>>
>> The "-1" is not really needed.
>
> This -1 is needed.
>
> We want to have...
> count - offset
> 1 0
> 2 0
> 3 1
> 4 1
> ...
If count is ev
Hi Geert
> + buf8 = (u8 *)(buf + ((count - 1) >> 1));
>
> The "-1" is not really needed.
This -1 is needed.
We want to have...
count - offset
1 0
2 0
3 1
4 1
...
> I think it's better to use shifts for both read and write, and add an
> le16_to_cpu()/
> cpu_to_le
Hi Morimoto-san,
On Mon, Sep 8, 2014 at 6:29 AM, Kuninori Morimoto
wrote:
> +++ b/drivers/mmc/host/tmio_mmc_pio.c
> @@ -376,6 +376,43 @@ static int tmio_mmc_start_command(struct tmio_mmc_host
> *host, struct mmc_command
> return 0;
> }
>
> +static void tmio_mmc_transfer_data(struct tmio
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