diff options
| author | David S. Miller <davem@davemloft.net> | 2019-02-09 00:00:17 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-09 00:00:17 +0100 |
| commit | a655fe9f194842693258f43b5382855db1c2f654 (patch) | |
| tree | a6e523c42378f43881c421530941dcbb529461ab /drivers/irqchip/irq-xtensa-mx.c | |
| parent | xen-netback: mark expected switch fall-through (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | linux-a655fe9f194842693258f43b5382855db1c2f654.tar.xz linux-a655fe9f194842693258f43b5382855db1c2f654.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
An ipvlan bug fix in 'net' conflicted with the abstraction away
of the IPV6 specific support in 'net-next'.
Similarly, a bug fix for mlx5 in 'net' conflicted with the flow
action conversion in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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; } |