diff options
Diffstat (limited to 'target/linux/ipq806x/patches/0036-pinctrl-msm-Correct-interrupt-code-for-TLMM-v2.patch')
| -rw-r--r-- | target/linux/ipq806x/patches/0036-pinctrl-msm-Correct-interrupt-code-for-TLMM-v2.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches/0036-pinctrl-msm-Correct-interrupt-code-for-TLMM-v2.patch b/target/linux/ipq806x/patches/0036-pinctrl-msm-Correct-interrupt-code-for-TLMM-v2.patch new file mode 100644 index 0000000000..b44fb6a0b3 --- /dev/null +++ b/target/linux/ipq806x/patches/0036-pinctrl-msm-Correct-interrupt-code-for-TLMM-v2.patch @@ -0,0 +1,55 @@ +From 32787a9bba5a1ebeea891fd7aab954e6d344892a Mon Sep 17 00:00:00 2001 +From: Bjorn Andersson <bjorn.andersson@sonymobile.com> +Date: Mon, 31 Mar 2014 14:49:54 -0700 +Subject: [PATCH 036/182] pinctrl: msm: Correct interrupt code for TLMM v2 + +Acking interrupts are done differently between on v2 and v3, so add an extra +attribute to the pingroup struct to let the platform definitions control this. +Also make sure to start dual edge detection by detecting the rising edge. + +Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> +Signed-off-by: Linus Walleij <linus.walleij@linaro.org> +--- + drivers/pinctrl/pinctrl-msm.c | 6 +++++- + drivers/pinctrl/pinctrl-msm.h | 1 + + 2 files changed, 6 insertions(+), 1 deletion(-) + +diff --git a/drivers/pinctrl/pinctrl-msm.c b/drivers/pinctrl/pinctrl-msm.c +index 343f421..706809e 100644 +--- a/drivers/pinctrl/pinctrl-msm.c ++++ b/drivers/pinctrl/pinctrl-msm.c +@@ -665,7 +665,10 @@ static void msm_gpio_irq_ack(struct irq_data *d) + spin_lock_irqsave(&pctrl->lock, flags); + + val = readl(pctrl->regs + g->intr_status_reg); +- val &= ~BIT(g->intr_status_bit); ++ if (g->intr_ack_high) ++ val |= BIT(g->intr_status_bit); ++ else ++ val &= ~BIT(g->intr_status_bit); + writel(val, pctrl->regs + g->intr_status_reg); + + if (test_bit(d->hwirq, pctrl->dual_edge_irqs)) +@@ -744,6 +747,7 @@ static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int type) + break; + case IRQ_TYPE_EDGE_BOTH: + val |= BIT(g->intr_detection_bit); ++ val |= BIT(g->intr_polarity_bit); + break; + case IRQ_TYPE_LEVEL_LOW: + break; +diff --git a/drivers/pinctrl/pinctrl-msm.h b/drivers/pinctrl/pinctrl-msm.h +index 8fbe9fb..6e26f1b 100644 +--- a/drivers/pinctrl/pinctrl-msm.h ++++ b/drivers/pinctrl/pinctrl-msm.h +@@ -84,6 +84,7 @@ struct msm_pingroup { + + unsigned intr_enable_bit:5; + unsigned intr_status_bit:5; ++ unsigned intr_ack_high:1; + + unsigned intr_target_bit:5; + unsigned intr_raw_status_bit:5; +-- +1.7.10.4 + |