[riot-notifications] [RIOT-OS/RIOT] nrf52/i2c: Use mutex and IRQ for blocking (#14165)

benpicco notifications at github.com
Fri May 29 17:28:27 CEST 2020

@benpicco commented on this pull request.

>  static inline NRF_TWIM_Type *bus(i2c_t dev)
     return i2c_config[dev].dev;
 static int finish(i2c_t dev)
+    /* Unmask interrupts */
+    mutex_lock(&busy[dev]);
     DEBUG("[i2c] waiting for STOPPED or ERROR event\n");

Should be moved before the lock - just squash again

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