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Commit 882bed72 authored by Bartosz Golaszewski's avatar Bartosz Golaszewski Committed by Sekhar Nori
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ARM: davinci: aintc: request memory region before remapping it 



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: default avatarDavid Lechner <david@lechnology.com>
Signed-off-by: default avatarBartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: default avatarSekhar Nori <nsekhar@ti.com>
parent a6c0bba1

arch/arm/mach-davinci/irq.c

+9 −0
Original line number Diff line number Diff line
@@ -86,9 +86,18 @@ davinci_aintc_handle_irq(struct pt_regs *regs) 
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) {