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29d6678fd5
Having one monolithic packages directory makes it hard to find things and is generally overwhelming. This commit splits it into several logical sections roughly based on function, recipes.txt gives more information about the classifications used. The opportunity is also used to switch from "packages" to "recipes" as used in OpenEmbedded as the term "packages" can be confusing to people and has many different meanings. Not all recipes have been classified yet, this is just a first pass at separating things out. Some packages are moved to meta-extras as they're no longer actively used or maintained. Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
72 lines
2.0 KiB
Diff
72 lines
2.0 KiB
Diff
TWL4030: clear TWL GPIO interrupt status registers
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From: Paul Walmsley <paul@pwsan.com>
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twl_init_irq() does not clear the TWL GPIO ISR registers, but the PIH
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ISR thinks that it has. This causes any previously-latched GPIO interrupts
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to be stuck on until twl4030-gpio.c initializes, often drowning the console in
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TWL4030 module irq 368 is disabled but can't be masked!
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messages. This seems to be a particular problem when booting on Beagle.
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Signed-off-by: Paul Walmsley <paul@pwsan.com>
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---
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drivers/i2c/chips/twl4030-core.c | 42 ++++++++++++++++++++++++++++++++++++++
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1 files changed, 42 insertions(+), 0 deletions(-)
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diff --git a/drivers/i2c/chips/twl4030-core.c b/drivers/i2c/chips/twl4030-core.c
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index ff662bc..dfc3805 100644
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--- a/drivers/i2c/chips/twl4030-core.c
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+++ b/drivers/i2c/chips/twl4030-core.c
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@@ -857,6 +857,48 @@ static void twl_init_irq(void)
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return;
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}
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+ /* GPIO_ISR1A */
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+ res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x19);
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+ if (res < 0) {
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+ pr_err("%s[%d][%d]\n", msg, res, __LINE__);
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+ return;
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+ }
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+
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+ /* GPIO_ISR2A */
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+ res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x1a);
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+ if (res < 0) {
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+ pr_err("%s[%d][%d]\n", msg, res, __LINE__);
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+ return;
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+ }
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+
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+ /* GPIO_ISR3A */
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+ res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x1b);
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+ if (res < 0) {
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+ pr_err("%s[%d][%d]\n", msg, res, __LINE__);
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+ return;
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+ }
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+
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+ /* GPIO_ISR1B */
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+ res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x1f);
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+ if (res < 0) {
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+ pr_err("%s[%d][%d]\n", msg, res, __LINE__);
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+ return;
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+ }
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+
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+ /* GPIO_ISR2B */
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+ res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x20);
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+ if (res < 0) {
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+ pr_err("%s[%d][%d]\n", msg, res, __LINE__);
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+ return;
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+ }
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+
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+ /* GPIO_ISR3B */
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+ res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x21);
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+ if (res < 0) {
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+ pr_err("%s[%d][%d]\n", msg, res, __LINE__);
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+ return;
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+ }
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+
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/* install an irq handler for each of the PIH modules */
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for (i = TWL4030_IRQ_BASE; i < TWL4030_IRQ_END; i++) {
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set_irq_chip(i, &twl4030_irq_chip);
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