[PATCH v2] irqchip/bcm-6345-l1: request memory region

From: Álvaro Fernández Rojas
Date: Thu Mar 16 2023 - 15:28:44 EST


Request memory region in order to display it in /proc/iomem.
Also stop printing the MMIO address since it just displays (ptrval).

Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx>
---
v2: request memory region and stop displaying MMIO address.

drivers/irqchip/irq-bcm6345-l1.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-bcm6345-l1.c b/drivers/irqchip/irq-bcm6345-l1.c
index 6899e37810a8..fa113cb2529a 100644
--- a/drivers/irqchip/irq-bcm6345-l1.c
+++ b/drivers/irqchip/irq-bcm6345-l1.c
@@ -257,6 +257,9 @@ static int __init bcm6345_l1_init_one(struct device_node *dn,
if (!cpu->map_base)
return -ENOMEM;

+ if (!request_mem_region(res.start, sz, res.name))
+ pr_err("failed to request intc memory");
+
for (i = 0; i < n_words; i++) {
cpu->enable_cache[i] = 0;
__raw_writel(0, cpu->map_base + reg_enable(intc, i));
@@ -335,8 +338,7 @@ static int __init bcm6345_l1_of_init(struct device_node *dn,
for_each_cpu(idx, &intc->cpumask) {
struct bcm6345_l1_cpu *cpu = intc->cpus[idx];

- pr_info(" CPU%u at MMIO 0x%p (irq = %d)\n", idx,
- cpu->map_base, cpu->parent_irq);
+ pr_info(" CPU%u (irq = %d)\n", idx, cpu->parent_irq);
}

return 0;
--
2.30.2