> > Basically it doesn't suit our protocol of having base addr, read/write
> > pointer, locking etc as the same set of structures and protocol will
> > be used on the modem side implementation.
>
> Ok. What happens about endianness or is the modem always the same
> endianness as the host ?
Yes it
> Basically it doesn't suit our protocol of having base addr, read/write
> pointer, locking etc as the same set of structures and protocol will be
> used on the modem side implementation.
Ok. What happens about endianness or is the modem always the same
endianness as the host ?
> > > + if (len
> > drivers/modem_shm/Kconfig|2 +
> > drivers/modem_shm/Makefile |1 +
> > drivers/modem_shm/u8500_shm/Kconfig | 43 +
> > drivers/modem_shm/u8500_shm/Makefile |7 +
> > drivers/modem_shm/u8500_shm/shrm_char.c
> > +#define SIZE_OF_FIFO (512*1024)
> > +
> > +static u8 message_fifo[ISA_DEVICES][SIZE_OF_FIFO];
>
> Thats a huge amount of static memory that gets allocated regardless of
> whether the device is open or being used ?
Yes, but all of these will be used, in any system which includes APE-Modem
comm
On Tue, Aug 07, 2012 at 12:24:30PM +0530, Arun Murthy wrote:
> The communication between APE and CMT in u8500 is by means of a shared DDR.
> Since its a shared memory, this driver implements shrm protocol.
>
> Signed-off-by: Arun Murthy
> Acked-by: Linus Walleij
> ---
> drivers/modem_shm/Kconfi
> +#define SIZE_OF_FIFO (512*1024)
> +
> +static u8 message_fifo[ISA_DEVICES][SIZE_OF_FIFO];
Thats a huge amount of static memory that gets allocated regardless of
whether the device is open or being used ?
> +static int major;
> +module_param(major, int, 0);
> +MODULE_PARM_DESC(major, "Major dev
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