Messages in this thread Patch in this message | | | From | Jia He <> | Subject | [PATCH] gpio: dwapb: Fix missing conversion to GPIO-lib-based IRQ-chip | Date | Fri, 16 Oct 2020 23:35:44 +0800 |
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Commit 0ea683931adb ("gpio: dwapb: Convert driver to using the GPIO-lib-based IRQ-chip") missed the case in dwapb_irq_set_wake().
Without this fix, probing the dwapb gpio driver will hit a error: "address between user and kernel address ranges" on a Ampere armv8a server and cause a panic.
Fixes: 0ea683931adb ("gpio: dwapb: Convert driver to using the GPIO-lib-based IRQ-chip") Signed-off-by: Jia He <justin.he@arm.com> --- drivers/gpio/gpio-dwapb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index a5b326754124..2a9046c0fb16 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -343,8 +343,8 @@ static int dwapb_irq_set_type(struct irq_data *d, u32 type) #ifdef CONFIG_PM_SLEEP static int dwapb_irq_set_wake(struct irq_data *d, unsigned int enable) { - struct irq_chip_generic *igc = irq_data_get_irq_chip_data(d); - struct dwapb_gpio *gpio = igc->private; + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + struct dwapb_gpio *gpio = to_dwapb_gpio(gc); struct dwapb_context *ctx = gpio->ports[0].ctx; irq_hw_number_t bit = irqd_to_hwirq(d); -- 2.17.1
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