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| author | Michael Büsch <mb@bu3sch.de> | 2011-11-17 18:06:19 +0000 |
|---|---|---|
| committer | Michael Büsch <mb@bu3sch.de> | 2011-11-17 18:06:19 +0000 |
| commit | 4793be2df9316bfed829656a7fd93be7b2789e4f (patch) | |
| tree | d1189113768bcc07bbe78d76bd8b939bd1583c76 | |
| parent | 630bafc5dd73b82ee644baf01a66562bb436701c (diff) | |
| download | mtk-20170518-4793be2df9316bfed829656a7fd93be7b2789e4f.zip mtk-20170518-4793be2df9316bfed829656a7fd93be7b2789e4f.tar.gz mtk-20170518-4793be2df9316bfed829656a7fd93be7b2789e4f.tar.bz2 | |
omap24xx: Some retu/tahvo IRQ fixes
SVN-Revision: 29233
| -rw-r--r-- | target/linux/omap24xx/patches-3.1/252-cbus-retu-tahvo-ack-fix.patch | 65 | ||||
| -rw-r--r-- | target/linux/omap24xx/patches-3.1/253-cbus-tahvo-irq-reg-lock.patch | 15 |
2 files changed, 80 insertions, 0 deletions
diff --git a/target/linux/omap24xx/patches-3.1/252-cbus-retu-tahvo-ack-fix.patch b/target/linux/omap24xx/patches-3.1/252-cbus-retu-tahvo-ack-fix.patch new file mode 100644 index 0000000..34f9465 --- /dev/null +++ b/target/linux/omap24xx/patches-3.1/252-cbus-retu-tahvo-ack-fix.patch @@ -0,0 +1,65 @@ +Index: linux-3.1.1/drivers/cbus/retu.c +=================================================================== +--- linux-3.1.1.orig/drivers/cbus/retu.c 2011-11-17 18:47:59.453004678 +0100 ++++ linux-3.1.1/drivers/cbus/retu.c 2011-11-17 18:49:03.180787673 +0100 +@@ -54,8 +54,6 @@ struct retu { + int irq; + + int ack; +- bool ack_pending; +- + int mask; + bool mask_pending; + +@@ -238,7 +236,6 @@ static void retu_irq_ack(struct irq_data + int irq = data->irq; + + retu->ack |= (1 << (irq - retu->irq_base)); +- retu->ack_pending = true; + } + + static void retu_bus_lock(struct irq_data *data) +@@ -257,9 +254,9 @@ static void retu_bus_sync_unlock(struct + retu->mask_pending = false; + } + +- if (retu->ack_pending) { ++ if (retu->ack) { + __retu_write_reg(retu, RETU_REG_IDR, retu->ack); +- retu->ack_pending = false; ++ retu->ack = 0; + } + + mutex_unlock(&retu->mutex); +Index: linux-3.1.1/drivers/cbus/tahvo.c +=================================================================== +--- linux-3.1.1.orig/drivers/cbus/tahvo.c 2011-11-17 18:47:59.437004733 +0100 ++++ linux-3.1.1/drivers/cbus/tahvo.c 2011-11-17 18:51:03.708374259 +0100 +@@ -52,7 +52,6 @@ struct tahvo { + int mask; + + unsigned int mask_pending:1; +- unsigned int ack_pending:1; + unsigned int is_betty:1; + }; + +@@ -177,9 +176,9 @@ static void tahvo_irq_bus_sync_unlock(st + tahvo->mask_pending = false; + } + +- if (tahvo->ack_pending) { ++ if (tahvo->ack) { + __tahvo_write_reg(tahvo, TAHVO_REG_IDR, tahvo->ack); +- tahvo->ack_pending = false; ++ tahvo->ack = 0; + } + + mutex_unlock(&tahvo->mutex); +@@ -209,7 +208,6 @@ static void tahvo_irq_ack(struct irq_dat + int irq = data->irq; + + tahvo->ack |= (1 << (irq - tahvo->irq_base)); +- tahvo->ack_pending = true; + } + + static struct irq_chip tahvo_irq_chip = { diff --git a/target/linux/omap24xx/patches-3.1/253-cbus-tahvo-irq-reg-lock.patch b/target/linux/omap24xx/patches-3.1/253-cbus-tahvo-irq-reg-lock.patch new file mode 100644 index 0000000..c27a67c --- /dev/null +++ b/target/linux/omap24xx/patches-3.1/253-cbus-tahvo-irq-reg-lock.patch @@ -0,0 +1,15 @@ +Index: linux-3.1.1/drivers/cbus/tahvo.c +=================================================================== +--- linux-3.1.1.orig/drivers/cbus/tahvo.c 2011-11-17 18:51:03.708374259 +0100 ++++ linux-3.1.1/drivers/cbus/tahvo.c 2011-11-17 18:57:17.739067493 +0100 +@@ -137,8 +137,10 @@ static irqreturn_t tahvo_irq_handler(int + u16 id; + u16 im; + ++ mutex_lock(&tahvo->mutex); + id = __tahvo_read_reg(tahvo, TAHVO_REG_IDR); + im = __tahvo_read_reg(tahvo, TAHVO_REG_IMR); ++ mutex_unlock(&tahvo->mutex); + id &= ~im; + + if (!id) { |