linux-omap2 : Add patches to fix TWL4030 issues.

1 files changed, 86 insertions, 0 deletions

diff --git a/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch b/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch
new file mode 100644
index 0000000000..b6142ea1f5
--- /dev/null
+++ b/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch
@@ -0,0 +1,86 @@
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+From:	Paul Walmsley <paul@pwsan.com>
+Subject: [PATCH 1/9] TWL4030: remove superfluous PWR interrupt status clear
+	before masking
+To:	linux-omap@vger.kernel.org
+Date:	Thu, 17 Jul 2008 19:34:49 -0600
+Message-ID: <20080718013448.18943.6984.stgit@localhost.localdomain>
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+
+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) {
+
+
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