ARM: s3c24xx: bast: avoid irq_desc array usage

Once we move to sparse irqs, the irq_desc[] array is no
longer accessible, so replace the two uses in bast-irq.c.
The first one can use irq_to_desc(), the second one seems
completely unneeded as we already have a pointer to the
correct descriptor.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200806182059.2431-32-krzk@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

diff --git a/arch/arm/mach-s3c24xx/bast-irq.c b/arch/arm/mach-s3c24xx/bast-irq.c
index a6db5e2..141a35d 100644 (file)
--- a/arch/arm/mach-s3c24xx/bast-irq.c
+++ b/arch/arm/mach-s3c24xx/bast-irq.c
@@ -62,7 +62,7 @@ bast_pc104_mask(struct irq_data *data)
 static void
 bast_pc104_maskack(struct irq_data *data)
 {
-       struct irq_desc *desc = irq_desc + BAST_IRQ_ISA;
+       struct irq_desc *desc = irq_to_desc(BAST_IRQ_ISA);
 
        bast_pc104_mask(data);
        desc->irq_data.chip->irq_ack(&desc->irq_data);
@@ -94,8 +94,6 @@ static void bast_irq_pc104_demux(struct irq_desc *desc)
 
        if (unlikely(stat == 0)) {
                /* ack if we get an irq with nothing (ie, startup) */
-
-               desc = irq_desc + BAST_IRQ_ISA;
                desc->irq_data.chip->irq_ack(&desc->irq_data);
        } else {
                /* handle the IRQ */