Re: [PATCH 05/10] [PM-WIP-MMC] OMAP4 hwmod: Updating hwmod data for MMC controllers

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Benoit,

On Mon, Aug 23, 2010 at 1:30 PM, Cousson, Benoit <b-cousson@xxxxxx> wrote:
> Hi Kishore,
>
> On 8/20/2010 10:10 PM, Kadiyala, Kishore wrote:
>>
>> Update register offsets and dev attributes for MMC controllers on
>> OMAP4
>>
>> Cc: Kevin Hilman<khilman@xxxxxxxxxxxxxxxxxxx>
>> Cc: Benoit Cousson<b-cousson@xxxxxx>
>> Signed-off-by: Kishore Kadiyala<kishore.kadiyala@xxxxxx>
>> ---
>>  arch/arm/mach-omap2/omap_hwmod_44xx_data.c |   17 +++++++++++++++--
>>  1 files changed, 15 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
>> b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
>> index b7268f6..db62b84 100644
>> --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
>> +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
>> @@ -22,6 +22,7 @@
>>
>>  #include<plat/omap_hwmod.h>
>>  #include<plat/cpu.h>
>> +#include<plat/mmc.h>
>>
>>  #include "omap_hwmod_common_data.h"
>>
>> @@ -408,8 +409,8 @@ static struct omap_hwmod omap44xx_l4_wkup_hwmod = {
>>   */
>>
>>  static struct omap_hwmod_class_sysconfig omap44xx_mmc_sysc = {
>> -       .rev_offs       = 0x0000,
>> -       .sysc_offs      = 0x0010,
>> +       .rev_offs       = 0x02FC,
>> +       .sysc_offs      = 0x0110,
>
> You should not use these registers. MMC is one of the few IP that contains
> both legacy and highlander version of the registers, hence the _HL prefix
> for the MMCHS_HL_REV and MMCHS_HL_SYSCONFIG.
>
> I don't know why the legacy registers are still there, but you should use
> the highlander version.

Thanks for the info. I will drop the patch.

Regards,
Kishore
>
> Regards,
> Benoit
>
>>        .syss_offs      = 0x0114,
>>        .sysc_flags     = (SYSC_HAS_SIDLEMODE | SYSC_HAS_EMUFREE |
>>                           SYSC_HAS_SOFTRESET | SYSC_HAS_MIDLEMODE),
>> @@ -424,6 +425,11 @@ static struct omap_hwmod_class
>> omap44xx_mmc_hwmod_class = {
>>  };
>>
>>  /* mmc1 */
>> +
>> +static struct mmc_dev_attr mmc1_dev_attr = {
>> +       .flags = MMC_INTERNAL_XCVR,
>> +};
>> +
>>  static struct omap_hwmod_irq_info omap44xx_mmc1_irqs[] = {
>>        { .irq = 83 + OMAP44XX_IRQ_GIC_START },
>>  };
>> @@ -478,10 +484,16 @@ static struct omap_hwmod omap44xx_mmc1_hwmod = {
>>        .slaves_cnt     = ARRAY_SIZE(omap44xx_mmc1_slaves),
>>        .masters        = omap44xx_mmc1_masters,
>>        .masters_cnt    = ARRAY_SIZE(omap44xx_mmc1_masters),
>> +       .dev_attr       =&mmc1_dev_attr,
>>        .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
>>  };
>>
>>  /* mmc2 */
>> +
>> +static struct mmc_dev_attr mmc2_dev_attr = {
>> +       .flags = MMC_SUPPORTS_EXTERNAL_XCVR,
>> +};
>> +
>>  static struct omap_hwmod_irq_info omap44xx_mmc2_irqs[] = {
>>        { .irq = 86 + OMAP44XX_IRQ_GIC_START },
>>  };
>> @@ -536,6 +548,7 @@ static struct omap_hwmod omap44xx_mmc2_hwmod = {
>>        .slaves_cnt     = ARRAY_SIZE(omap44xx_mmc2_slaves),
>>        .masters        = omap44xx_mmc2_masters,
>>        .masters_cnt    = ARRAY_SIZE(omap44xx_mmc2_masters),
>> +       .dev_attr       =&mmc2_dev_attr,
>>        .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
>>  };
>>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-omap" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux