Interrupts from i2c controller are enabled while i2c bus is in the suspend mode (I2C_IE register doesn't equals to 0).
Starting from the OMAP chips with version2 registers scheme there are 2 registers (I2C_IRQENABLE_SET and I2C_IRQENABLE_CLR) to manage interrupts instead of the older OMAP chips old scheme which have only one register (I2C_IE). Now for enabling interrupts we must use I2C_IRQENABLE_SET register and for disabling interrupts we must use I2C_IRQENABLE_CLR register. Next patch fixes it. Patch is based on: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git tag: v3.10-rc2 Verified on OMAP4430. Oleksandr Dmytryshyn (1): i2c: omap: correct usage of the interrupt enable register drivers/i2c/busses/i2c-omap.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) -- 1.8.2.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/