Add a missing call to request_mem_region() before calling ioremap() to
make sure the region is not being used by anyone else.
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
void __init davinci_aintc_init(const struct davinci_aintc_config *config)
{
unsigned int irq_off, reg_off, prio, shift;
+ void __iomem *req;
int ret, irq_base;
const u8 *prios;
+ req = request_mem_region(config->reg.start,
+ resource_size(&config->reg),
+ "davinci-cp-intc");
+ if (!req) {
+ pr_err("%s: register range busy\n", __func__);
+ return;
+ }
+
davinci_aintc_base = ioremap(config->reg.start,
resource_size(&config->reg));
if (!davinci_aintc_base) {