Michael Gmelin 0ba5622d8c Fix ig4 operation for certain machines ... Some machine BIOSes use the I2C bus and leave it in a state that causes interrupts to not work properly due to a pending interrupt having been latched. Refactor the code a bit to clear pending interrupts when I2C is enabled. This fixes the primary problem. Also fix a possible race condition in the interrupt handler where the interrupt was being cleared after reading the status instead of before. Reported by: pfg Reviewed by: jhb Approved by: jhb Obtained from: DragonFly BSD Differential Revision: https://reviews.freebsd.org/D6586		2016-05-30 09:05:24 +00:00
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ig4_iic.c	Fix ig4 operation for certain machines	2016-05-30 09:05:24 +00:00
ig4_pci.c
ig4_reg.h
ig4_var.h