Hi Ohad,
On Wed, Jul 21, 2010 at 7:33 PM, Ohad Ben-Cohen <ohad@xxxxxxxxxx> wrote:
> Add support to set/get mmc_host private embedded
> data.
>
> This is needed to allow software to dynamically
> create (and remove) SDIO functions which represents
> embedded SDIO devices.
>
<snip>
> @@ -209,6 +209,8 @@ struct mmc_host {
> struct led_trigger *led; /* activity led */
> #endif
>
> + void *embedded_data;
> +
To my understanding, this data doesn't belong to mmc_host. It's not a
host data at all. E. g. imagine a GPIO IRQ for some SDIO chip -- it's
totally unrelated to host.
I think a cleaner way would be to introduce something similar to what
we have for SPI, e. g. struct sdio_board_info. This board info will
contain platform-specific stuff and vendor id/chip id for each onboard
SDIO device. Then the SDIO core will pick up the appropriate data
basing on vendor id/chip id.
~Vitaly
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