RTEMS | Add the support for i2c driver in the aarch64/raspberrypi bsp (!363)

[Shaunak Datar (@skdatar)]

Shaunak Datar commented on a discussion on bsps/aarch64/raspberrypi/i2c/raspberrypi-i2c.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/363#note_125272

 > +typedef struct {
 > +  i2c_bus                 base;
 > +  uintptr_t               input_clock;
 > +  rtems_id                task_id;
 > +  uintptr_t               base_address;
 > +  raspberrypi_bsc_masters device;
 > +  uintptr_t               remaining_bytes;
 > +  uintptr_t               remaining_transfers;
 > +  uint8_t                *current_buffer;
 > +  uintptr_t               current_buffer_size;
 > +  bool                    read_transfer;
 > +} raspberrypi_i2c_bus;
 > +
 > +static void i2c_polling_read( raspberrypi_i2c_bus *bus )
 > +{
 > +  while ( !( S_REG( bus ) & S_DONE ) && ( bus->remaining_bytes > 0 ) ) {

Oh - so I need not create that mutex in the structure?

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/363#note_125272
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