i2c: Use new timer facility and improve interrupts handling

We only poll the masters for the chip that got the interrupt
and we improve the running of the timers as well.

We user the new TIMER_POLL facility to replace the use of the
OPAL poller, which simplifies the code further.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2 files changed, 2 insertions, 1 deletions

diff --git a/core/chip.c b/core/chip.c
index e6eb81c..272f024 100644
--- a/core/chip.c
+++ b/core/chip.c
@@ -81,5 +81,6 @@ void init_chips(void)
 						    0xffffffff);
 		chip->pcid = dt_prop_get_u32_def(xn, "ibm,proc-chip-id",
 						 0xffffffff);
+		list_head_init(&chip->i2cms);
 	};
 }
diff --git a/core/i2c.c b/core/i2c.c
index 2eb77db..e0af9b2 100644
--- a/core/i2c.c
+++ b/core/i2c.c
@@ -20,7 +20,7 @@
 #include <device.h>
 #include <opal-msg.h>
 
-LIST_HEAD(i2c_bus_list);
+static LIST_HEAD(i2c_bus_list);
 
 /* Used to assign OPAL IDs */
 static uint32_t i2c_next_bus;