From: Carlo Caione
While in sdhci_execute_tuning() the choice whether or not to enable the
tuning is done on the actual timing, in the mmc_sdio_init_uhs_card() the
check is done on the capability of the card.
This difference is causing some issues with some SDIO cards in DDR50
mode where the
On Fri, Dec 18, 2015 at 10:34 PM, Carlo Caione wrote:
> From: Carlo Caione
>
> While in sdhci_execute_tuning() the choice whether or not to enable the
> tuning is done on the actual timing, in the mmc_sdio_init_uhs_card() the
> check is done on the capability of the card.
>
&g
From: Carlo Caione
While in sdhci_execute_tuning() the choice whether or not to enable the
tuning is done on the actual timing, in the mmc_sdio_init_uhs_card() the
check is done on the capability of the card.
This difference is causing some issues with some SDIO cards in DDR50
mode where the
des, please check
> if the card->sw_caps.sd3_bus_mode changes with or without DDR50 tuning
> enabled.
It doesn't.
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) is called
- card->sw_caps.sd3_bus_mode is 0x14
- card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR50 is actually verified
(even though the tuning for DDR50 is not enabled)
- mmc_execute_tuning() is actually called
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he latest master with commit 9faac7b95 WiFi is broken on the
ASUS X205TA (bcm43341)
- Reverting 9faac7b95 makes it working fine again
My conclusion is that issuing the CMD19 is basically breaking WiFi on
this platform.
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ng mmc_sdio_init_uhs_card() in drivers/mmc/core/sdio.c but I end
up with the error "Controller never released inhibit bit(s)". At least
in my case CMD19 shouldn't be issued at all to have the SDIO card
working.
Any suggestion how to approach this problem?
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Carlo Caione
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On Tue, Dec 8, 2015 at 4:06 PM, Ulf Hansson wrote:
> On 1 December 2015 at 17:41, Carlo Caione wrote:
>> +Required properties:
>> + - compatible : "amlogic,meson-mmc"
>> + - reg : mmc controller base registers
>> + - interrupts : mmc controller inter
From: Carlo Caione
Add a driver for the SD/MMC host found on the Amlogic MesonX SoCs. This
is an MMC controller which provides an interface between the application
processor and various memory cards. It supports the SD specification
v2.0 and the eMMC specification v4.41.
This patch adds also
On Wed, Nov 25, 2015 at 5:34 PM, Ulf Hansson wrote:
> On 25 November 2015 at 15:39, Carlo Caione wrote:
>> From: Carlo Caione
>>
>> This patch introduce a new MMC_CAP2_NO_SDIO cap used to tell the mmc
>> core to not send SDIO specific commands.
>
> I guess
From: Carlo Caione
This patch introduce a new MMC_CAP2_NO_SDIO cap used to tell the mmc
core to not send SDIO specific commands.
Signed-off-by: Carlo Caione
---
Drivers fix will follow.
Changelog:
* v2:
- moved check from __mmc_start_request to mmc_rescan_try_freq
---
drivers/mmc/core
From: Carlo Caione
Add a helper function to check if an opcode is a sd-io-* opcode.
Signed-off-by: Carlo Caione
---
drivers/mmc/core/sdio_ops.h | 5 +
1 file changed, 5 insertions(+)
diff --git a/drivers/mmc/core/sdio_ops.h b/drivers/mmc/core/sdio_ops.h
index e4b5ceb..9b614b2 100644
From: Carlo Caione
This function is used only to filter on sd-io-rw-* operations. Rename it
to reflect this behaviour.
Signed-off-by: Carlo Caione
---
drivers/mmc/core/core.c | 2 +-
drivers/mmc/core/sdio_ops.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers
From: Carlo Caione
This patch introduce a new MMC_CAP2_NO_SDIO cap used to tell the mmc
core to not send SDIO specific commands.
Signed-off-by: Carlo Caione
---
drivers/mmc/core/core.c | 7 +++
include/linux/mmc/host.h | 1 +
2 files changed, 8 insertions(+)
diff --git a/drivers/mmc
From: Carlo Caione
Small patchset to add a new MMC_CAP2_NO_SDIO cap used to tell the mmc core to
skip the SDIO commands.
Drivers fix will follow.
Carlo Caione (3):
mmc: Rename mmc_is_io_op to mmc_is_rw_io_op
mmc: Add a new mmc_is_io_op helper function
mmc: core: Introduce
From: Carlo Caione
Add a driver for the SD/MMC host found on the Amlogic MesonX SoCs. It
is an MMC controller which provides an interface between the
application processor and various memory cards. It supports the SD
specification v2.0 and the eMMC specification v4.41. It also supports
SDSC
On Wed, Jun 10, 2015 at 3:44 PM, Daniel Drake wrote:
> On Wed, Jun 10, 2015 at 2:53 AM, Carlo Caione wrote:
>> +static int meson_mmc_map_dma(struct meson_mmc_host *host,
>> +struct mmc_data *data,
>> +unsigned int fl
From: Carlo Caione
Add a driver for the SD/MMC host found on the Amlogic MesonX SoCs. It
is an MMC controller which provides an interface between the
application processor and various memory cards. It supports the SD
specification v2.0 and the eMMC specification v4.41. It also supports
SDSC
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