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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-19 17:37:45 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-19 17:37:45 +0300 |
| commit | 7a9479eb30f1ff5aa2ffe1caf95d071da4709bc7 (patch) | |
| tree | 96b68aaedb9858e4cd4bae1f61bb3f9477657059 /drivers/irqchip/irq-sifive-plic.c | |
| parent | 608f2e77e49f99663221a857f518c568a320a4cc (diff) | |
| parent | 6c7871823908a4330e145d635371582f76ce1407 (diff) | |
| download | linux-rolling-stable.tar.xz | |
Merge v6.17.4linux-rolling-stable
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/irqchip/irq-sifive-plic.c')
| -rw-r--r-- | drivers/irqchip/irq-sifive-plic.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c index bf69a4802b71..9c4af7d58846 100644 --- a/drivers/irqchip/irq-sifive-plic.c +++ b/drivers/irqchip/irq-sifive-plic.c @@ -252,7 +252,8 @@ static int plic_irq_suspend(void) priv = per_cpu_ptr(&plic_handlers, smp_processor_id())->priv; - for (i = 0; i < priv->nr_irqs; i++) { + /* irq ID 0 is reserved */ + for (i = 1; i < priv->nr_irqs; i++) { __assign_bit(i, priv->prio_save, readl(priv->regs + PRIORITY_BASE + i * PRIORITY_PER_ID)); } @@ -283,7 +284,8 @@ static void plic_irq_resume(void) priv = per_cpu_ptr(&plic_handlers, smp_processor_id())->priv; - for (i = 0; i < priv->nr_irqs; i++) { + /* irq ID 0 is reserved */ + for (i = 1; i < priv->nr_irqs; i++) { index = BIT_WORD(i); writel((priv->prio_save[index] & BIT_MASK(i)) ? 1 : 0, priv->regs + PRIORITY_BASE + i * PRIORITY_PER_ID); |