diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-11 09:09:02 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-11 09:09:02 +0100 |
commit | 9481caf39bf55a862067007ffc53621b4305a387 (patch) | |
tree | ed7d011557a7edd33839d4e0e2eeb57e901afcbe /drivers/irqchip/irq-xtensa-mx.c | |
parent | 344c0152d878922365464b7140c74c2a5e073d99 (diff) | |
parent | d13937116f1e82bf508a6325111b322c30c85eb9 (diff) |
Merge 5.0-rc6 into driver-core-next
We need the debugfs fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/irqchip/irq-xtensa-mx.c')
-rw-r--r-- | drivers/irqchip/irq-xtensa-mx.c | 40 |
1 files changed, 25 insertions, 15 deletions
diff --git a/drivers/irqchip/irq-xtensa-mx.c b/drivers/irqchip/irq-xtensa-mx.c index 5385f5768345..27933338f7b3 100644 --- a/drivers/irqchip/irq-xtensa-mx.c +++ b/drivers/irqchip/irq-xtensa-mx.c @@ -71,14 +71,17 @@ static void xtensa_mx_irq_mask(struct irq_data *d) unsigned int mask = 1u << d->hwirq; if (mask & (XCHAL_INTTYPE_MASK_EXTERN_EDGE | - XCHAL_INTTYPE_MASK_EXTERN_LEVEL)) { - set_er(1u << (xtensa_get_ext_irq_no(d->hwirq) - - HW_IRQ_MX_BASE), MIENG); - } else { - mask = __this_cpu_read(cached_irq_mask) & ~mask; - __this_cpu_write(cached_irq_mask, mask); - xtensa_set_sr(mask, intenable); + XCHAL_INTTYPE_MASK_EXTERN_LEVEL)) { + unsigned int ext_irq = xtensa_get_ext_irq_no(d->hwirq); + + if (ext_irq >= HW_IRQ_MX_BASE) { + set_er(1u << (ext_irq - HW_IRQ_MX_BASE), MIENG); + return; + } } + mask = __this_cpu_read(cached_irq_mask) & ~mask; + __this_cpu_write(cached_irq_mask, mask); + xtensa_set_sr(mask, intenable); } static void xtensa_mx_irq_unmask(struct irq_data *d) @@ -86,14 +89,17 @@ static void xtensa_mx_irq_unmask(struct irq_data *d) unsigned int mask = 1u << d->hwirq; if (mask & (XCHAL_INTTYPE_MASK_EXTERN_EDGE | - XCHAL_INTTYPE_MASK_EXTERN_LEVEL)) { - set_er(1u << (xtensa_get_ext_irq_no(d->hwirq) - - HW_IRQ_MX_BASE), MIENGSET); - } else { - mask |= __this_cpu_read(cached_irq_mask); - __this_cpu_write(cached_irq_mask, mask); - xtensa_set_sr(mask, intenable); + XCHAL_INTTYPE_MASK_EXTERN_LEVEL)) { + unsigned int ext_irq = xtensa_get_ext_irq_no(d->hwirq); + + if (ext_irq >= HW_IRQ_MX_BASE) { + set_er(1u << (ext_irq - HW_IRQ_MX_BASE), MIENGSET); + return; + } } + mask |= __this_cpu_read(cached_irq_mask); + __this_cpu_write(cached_irq_mask, mask); + xtensa_set_sr(mask, intenable); } static void xtensa_mx_irq_enable(struct irq_data *d) @@ -113,7 +119,11 @@ static void xtensa_mx_irq_ack(struct irq_data *d) static int xtensa_mx_irq_retrigger(struct irq_data *d) { - xtensa_set_sr(1 << d->hwirq, intset); + unsigned int mask = 1u << d->hwirq; + + if (WARN_ON(mask & ~XCHAL_INTTYPE_MASK_SOFTWARE)) + return 0; + xtensa_set_sr(mask, intset); return 1; } |