Commit 61149787 authored Aug 20, 2009 by Moiz Sonasath Committed by Ben Dooks Aug 20, 2009

i2c-omap: Enable workaround for Errata 1.153 based on



Silicon Errata 1.153 has been fixed on OMAP 3630|4430 with the use of a later
version of I2C IP block.

The errata impacts OMAP 2420|2430|3430, enable the workaround for these based
on I2C IP block revision number instead of OMAP CPU type

Signed-off-by: Moiz Sonasath <m-sonasath@ti.com>
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

parent dd11976a

drivers/i2c/busses/i2c-omap.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -784,7 +784,7 @@ omap_i2c_isr(int this_irq, void *dev_id)
		* memory to the I2C interface.
		*/

		if (cpu_is_omap34xx()) {
		if (dev->rev <= OMAP_I2C_REV_ON_3430) {
		while (!(stat & OMAP_I2C_STAT_XUDF)) {
		if (stat & (OMAP_I2C_STAT_NACK \| OMAP_I2C_STAT_AL)) {
		omap_i2c_ack_stat(dev, stat & (OMAP_I2C_STAT_XRDY \| OMAP_I2C_STAT_XDR));