diff options
Diffstat (limited to 'meta/recipes-kernel/linux/linux-omap2-git/beagleboard/TWL4030-01.patch')
| -rw-r--r-- | meta/recipes-kernel/linux/linux-omap2-git/beagleboard/TWL4030-01.patch | 43 |
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) { |