*/
#include <linux/init.h>
+#include <linux/export.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/kthread.h>
}
local_irq_enable();
}
- ret = twl_i2c_write(TWL_MODULE_PIH, sts.bytes,
- REG_INT_STS_A, 3); /* clear INT_STS_A */
+
+ /*
+ * NOTE:
+ * Simulation confirms that documentation is wrong w.r.t the
+ * interrupt status clear operation. A single *byte* write to
+ * any one of STS_A to STS_C register results in all three
+ * STS registers being reset. Since it does not matter which
+ * value is written, all three registers are cleared on a
+ * single byte write, so we just use 0x0 to clear.
+ */
+ ret = twl_i2c_write_u8(TWL_MODULE_PIH, 0x00, REG_INT_STS_A);
if (ret)
pr_warning("twl6030: I2C error in clearing PIH ISR\n");