diff options
author | Bjorn Andersson <bjorn.andersson@linaro.org> | 2017-03-14 18:23:26 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-22 08:15:06 +0300 |
commit | 08b1ade02e584ac5eb8d9c075debf202bed9d085 (patch) | |
tree | c21a39fc31ef7215bb93668565ba70d870dd7272 | |
parent | bcfe0f5b4a2bd6602cfd046ad52ffdfca59e4e82 (diff) | |
download | linux-08b1ade02e584ac5eb8d9c075debf202bed9d085.tar.xz |
pinctrl: qcom: Don't clear status bit on irq_unmask
commit a6566710adaa4a7dd5e0d99820ff9c9c30ee5951 upstream.
Clearing the status bit on irq_unmask will discard any pending interrupt
that did arrive after the irq_ack, i.e. while the IRQ handler function
was executing.
Fixes: f365be092572 ("pinctrl: Add Qualcomm TLMM driver")
Cc: Stephen Boyd <sboyd@codeaurora.org>
Reported-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/pinctrl/qcom/pinctrl-msm.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index ed7017df065d..db4c22dd07fa 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -616,10 +616,6 @@ static void msm_gpio_irq_unmask(struct irq_data *d) spin_lock_irqsave(&pctrl->lock, flags); - val = readl(pctrl->regs + g->intr_status_reg); - val &= ~BIT(g->intr_status_bit); - writel(val, pctrl->regs + g->intr_status_reg); - val = readl(pctrl->regs + g->intr_cfg_reg); val |= BIT(g->intr_enable_bit); writel(val, pctrl->regs + g->intr_cfg_reg); |