summaryrefslogtreecommitdiffstats
path: root/meta/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch')
-rw-r--r--meta/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/meta/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch b/meta/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch
new file mode 100644
index 0000000000..c361c33d61
--- /dev/null
+++ b/meta/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch
@@ -0,0 +1,43 @@
1TWL4030: remove superfluous PWR interrupt status clear before masking
2
3From: Paul Walmsley <paul@pwsan.com>
4
5twl_irq_init() clears PWR interrupt status bits, then masks the interrupts
6off, then clears the PWR interrupt status bits again. The first clear
7seems unnecessary, so, remove it.
8
9Signed-off-by: Paul Walmsley <paul@pwsan.com>
10---
11
12 drivers/i2c/chips/twl4030-core.c | 18 ------------------
13 1 files changed, 0 insertions(+), 18 deletions(-)
14
15diff --git a/drivers/i2c/chips/twl4030-core.c b/drivers/i2c/chips/twl4030-core.c
16index adc45d4..ff662bc 100644
17--- a/drivers/i2c/chips/twl4030-core.c
18+++ b/drivers/i2c/chips/twl4030-core.c
19@@ -719,24 +719,6 @@ static void twl_init_irq(void)
20 char *msg = "Unable to register interrupt subsystem";
21 unsigned int irq_num;
22
23- /*
24- * We end up with interrupts from other modules before
25- * they get a chance to handle them...
26- */
27- /* PWR_ISR1 */
28- res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x00);
29- if (res < 0) {
30- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
31- return;
32- }
33-
34- /* PWR_ISR2 */
35- res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x02);
36- if (res < 0) {
37- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
38- return;
39- }
40-
41 /* PWR_IMR1 */
42 res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x1);
43 if (res < 0) {