luck/tmp_suning_uos_patched
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drivers/irqchip: xtensa-mx: fix mask and unmask

Browse Source 
xtensa_irq_mask and xtensa_irq_unmask don't do the right thing when
called for the first two external IRQs. Treat these IRQs as per-CPU
IRQs.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2019-01-24 14:06:49 -08:00
parent bb6652363b
commit eb271710ec
1 changed files with 20 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/irqchip/irq-xtensa-mx.c
View File

@ -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)