diff options
Diffstat (limited to 'meta/packages/linux/linux-omap2-git/beagleboard/TWL4030-02.patch')
-rw-r--r-- | meta/packages/linux/linux-omap2-git/beagleboard/TWL4030-02.patch | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/meta/packages/linux/linux-omap2-git/beagleboard/TWL4030-02.patch b/meta/packages/linux/linux-omap2-git/beagleboard/TWL4030-02.patch deleted file mode 100644 index 48a59b945..000000000 --- a/meta/packages/linux/linux-omap2-git/beagleboard/TWL4030-02.patch +++ /dev/null @@ -1,71 +0,0 @@ -TWL4030: clear TWL GPIO interrupt status registers - -From: Paul Walmsley <paul@pwsan.com> - -twl_init_irq() does not clear the TWL GPIO ISR registers, but the PIH -ISR thinks that it has. This causes any previously-latched GPIO interrupts -to be stuck on until twl4030-gpio.c initializes, often drowning the console in - - TWL4030 module irq 368 is disabled but can't be masked! - -messages. This seems to be a particular problem when booting on Beagle. - -Signed-off-by: Paul Walmsley <paul@pwsan.com> ---- - - drivers/i2c/chips/twl4030-core.c | 42 ++++++++++++++++++++++++++++++++++++++ - 1 files changed, 42 insertions(+), 0 deletions(-) - -diff --git a/drivers/i2c/chips/twl4030-core.c b/drivers/i2c/chips/twl4030-core.c -index ff662bc..dfc3805 100644 ---- a/drivers/i2c/chips/twl4030-core.c -+++ b/drivers/i2c/chips/twl4030-core.c -@@ -857,6 +857,48 @@ static void twl_init_irq(void) - return; - } - -+ /* GPIO_ISR1A */ -+ res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x19); -+ if (res < 0) { -+ pr_err("%s[%d][%d]\n", msg, res, __LINE__); -+ return; -+ } -+ -+ /* GPIO_ISR2A */ -+ res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x1a); -+ if (res < 0) { -+ pr_err("%s[%d][%d]\n", msg, res, __LINE__); -+ return; -+ } -+ -+ /* GPIO_ISR3A */ -+ res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x1b); -+ if (res < 0) { -+ pr_err("%s[%d][%d]\n", msg, res, __LINE__); -+ return; -+ } -+ -+ /* GPIO_ISR1B */ -+ res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x1f); -+ if (res < 0) { -+ pr_err("%s[%d][%d]\n", msg, res, __LINE__); -+ return; -+ } -+ -+ /* GPIO_ISR2B */ -+ res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x20); -+ if (res < 0) { -+ pr_err("%s[%d][%d]\n", msg, res, __LINE__); -+ return; -+ } -+ -+ /* GPIO_ISR3B */ -+ res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x21); -+ if (res < 0) { -+ pr_err("%s[%d][%d]\n", msg, res, __LINE__); -+ return; -+ } -+ - /* install an irq handler for each of the PIH modules */ - for (i = TWL4030_IRQ_BASE; i < TWL4030_IRQ_END; i++) { - set_irq_chip(i, &twl4030_irq_chip); |