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Commit ada3ea6f authored by Kumar Gala's avatar Kumar Gala
Browse files

[POWERPC] Add interrupt resource for RTC CMOS driver 



The RTC CMOS driver expects the interrupt to be a resource of the platform
device.  Use a fixed interrupt value of 8 since on PPC if we are using this
its off an i8259 which we ensure has interrupt numbers 0..15.

Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 28e8351a

arch/powerpc/sysdev/rtc_cmos_setup.c

+13 −4
Original line number Original line Diff line number Diff line
@@ -20,14 +20,16 @@ static int __init add_rtc(void) 
{

{

	struct device_node *np;

	struct device_node *np;

	struct platform_device *pd;

	struct platform_device *pd;

	struct resource res;

	struct resource res[2];

	int ret;

	int ret;





	memset(&res, 0, sizeof(res));



	np = of_find_compatible_node(NULL, NULL, "pnpPNP,b00");

	np = of_find_compatible_node(NULL, NULL, "pnpPNP,b00");

	if (!np)

	if (!np)

		return -ENODEV;

		return -ENODEV;





	ret = of_address_to_resource(np, 0, &res);

	ret = of_address_to_resource(np, 0, &res[0]);

	of_node_put(np);

	of_node_put(np);

	if (ret)

	if (ret)

		return ret;

		return ret;
@@ -36,11 +38,18 @@ static int __init add_rtc(void) 
	 * RTC_PORT(x) is hardcoded in asm/mc146818rtc.h.  Verify that the

	 * RTC_PORT(x) is hardcoded in asm/mc146818rtc.h.  Verify that the

	 * address provided by the device node matches.

	 * address provided by the device node matches.

	 */

	 */

	if (res.start != RTC_PORT(0))

	if (res[0].start != RTC_PORT(0))

		return -EINVAL;

		return -EINVAL;





	/* Use a fixed interrupt value of 8 since on PPC if we are using this

	 * its off an i8259 which we ensure has interrupt numbers 0..15. */

	res[1].start = 8;

	res[1].end = 8;

	res[1].flags = IORESOURCE_IRQ;



	pd = platform_device_register_simple("rtc_cmos", -1,

	pd = platform_device_register_simple("rtc_cmos", -1,

					     &res, 1);

					     &res[0], 2);



	if (IS_ERR(pd))

	if (IS_ERR(pd))

		return PTR_ERR(pd);

		return PTR_ERR(pd);