[PATCH v4 1/4] omap4 hsmmc: Adding card detect support for MMC1

[kishore kadiyala]

On Fri, Oct 1, 2010 at 8:11 PM, Varadarajan, Charulatha <charu at ti.com> wrote:
>
> <<snip>>
>
>> >> >>>> diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h
>> >> >>>> index 6de90bf..e64894c 100644
>> >> >>>> --- a/include/linux/i2c/twl.h
>> >> >>>> +++ b/include/linux/i2c/twl.h
>> >> >>>> @@ -141,6 +141,16 @@
>> >> >>>>  #define TWL6030_CHARGER_CTRL_INT_MASK  0x10
>> >> >>>>  #define TWL6030_CHARGER_FAULT_INT_MASK         0x60
>> >> >>>>
>> >> >>>> +#define TWL6030_MMCCTRL                0xEE
>> >> >>>> +#define VMMC_AUTO_OFF                  (0x1 << 3)
>> >> >>>> +#define SW_FC                          (0x1 << 2)
>> >> >>>> +#define STS_MMC                        0x1
>> >> >>>> +
>> >> >>>> +#define TWL6030_CFG_INPUT_PUPD3        0xF2
>> >> >>>> +#define MMC_PU                         (0x1 << 3)
>> >> >>>> +#define MMC_PD                         (0x1 << 2)
>> >> >>>> +
>> >> >>>> +
>> >> >>>>
>> >> >>>>  #define TWL4030_CLASS_ID               0x4030
>> >> >>>>  #define TWL6030_CLASS_ID               0x6030
>> >> >>>> @@ -173,6 +183,27 @@ int twl_i2c_read(u8 mod_no, u8
>> *value, u8 reg, unsigned num_bytes);
>> >> >>>>  int twl6030_interrupt_unmask(u8 bit_mask, u8 offset);
>> >> >>>>  int twl6030_interrupt_mask(u8 bit_mask, u8 offset);
>> >> >>>>
>> >> >>>> +/* Card detect Configuration for MMC1 Controller on OMAP4 */
>> >> >>>> +#ifdef CONFIG_TWL4030_CORE
>> >> >>>> +int twl6030_mmc_card_detect_config(void);
>> >> >>>> +#else
>> >> >>>> +static inline int twl6030_mmc_card_detect_config(void)
>> >> >>>> +{
>> >> >>>> +       pr_debug("twl6030_mmc_card_detect_config not
>> supported\n");
>> >> >>>> +       return 0;
>> >> >>>> +}
>> >> >>>> +#endif
>> >> >>>> +
>> >> >>>> +/* MMC1 Controller on OMAP4 uses Phoenix irq for
>> Card detect */
>> >> >>>> +#ifdef CONFIG_TWL4030_CORE
>> >> >>>> +int twl6030_mmc_card_detect(struct device *dev, int slot);
>> >> >>>> +#else
>> >> >>>> +static inline int twl6030_mmc_card_detect(struct
>> device *dev, int slot)
>> >> >>>> +{
>> >> >>>> +       pr_debug("Call back twl6030_mmc_card_detect
>> not supported\n");
>
> Use dev_dbg() instead of pr_debug...
> Same comment applies across this patch series whereever pr_err/pr_debug
> APIs are used.

Couldn't get it  how it makes a difference ? could you explain

Regards,
Kishore
>
>> >> >>>> +       return -EIO;
>> >> >>>> +}
>> >> >>>> +#endif
>
> <<snip>>