1 files changed, 43 insertions, 0 deletions

diff --git a/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/TWL4030-01.patch b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/TWL4030-01.patch
new file mode 100644
index 0000000000..c361c33d61
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/TWL4030-01.patch
@@ -0,0 +1,43 @@
+TWL4030: remove superfluous PWR interrupt status clear before masking
+
+From: Paul Walmsley <paul@pwsan.com>
+
+twl_irq_init() clears PWR interrupt status bits, then masks the interrupts
+off, then clears the PWR interrupt status bits again.  The first clear
+seems unnecessary, so, remove it.
+
+Signed-off-by: Paul Walmsley <paul@pwsan.com>
+---
+
+ drivers/i2c/chips/twl4030-core.c |   18 ------------------
+ 1 files changed, 0 insertions(+), 18 deletions(-)
+
+diff --git a/drivers/i2c/chips/twl4030-core.c b/drivers/i2c/chips/twl4030-core.c
+index adc45d4..ff662bc 100644
+--- a/drivers/i2c/chips/twl4030-core.c
++++ b/drivers/i2c/chips/twl4030-core.c
+@@ -719,24 +719,6 @@ static void twl_init_irq(void)
+        char    *msg = "Unable to register interrupt subsystem";
+        unsigned int irq_num;
+ 
+-       /*
+-        * We end up with interrupts from other modules before
+-        * they get a chance to handle them...
+-        */
+-       /* PWR_ISR1 */
+-       res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x00);
+-       if (res < 0) {
+-               pr_err("%s[%d][%d]\n", msg, res, __LINE__);
+-               return;
+-       }
+-
+-       /* PWR_ISR2 */
+-       res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x02);
+-       if (res < 0) {
+-               pr_err("%s[%d][%d]\n", msg, res, __LINE__);
+-               return;
+-       }
+-
+        /* PWR_IMR1 */
+        res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x1);
+        if (res < 0) {