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Commit e3a411a3 authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Fix of_iounmap() region release. 



We need to pass in the resource otherwise we cannot
release the region properly.  We must know whether it is
an I/O or MEM resource.

Spotted by Eric Brower.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6fc5bae7

arch/sparc/kernel/ioport.c

+1 −1
Original line number Diff line number Diff line
@@ -153,7 +153,7 @@ void __iomem *of_ioremap(struct resource *res, unsigned long offset, 
}

EXPORT_SYMBOL(of_ioremap);



void of_iounmap(void __iomem *base, unsigned long size)

void of_iounmap(struct resource *res, void __iomem *base, unsigned long size)

{

	iounmap(base);

}

arch/sparc64/kernel/of_device.c

+5 −2
Original line number Diff line number Diff line
@@ -144,8 +144,11 @@ void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned lo 
}

EXPORT_SYMBOL(of_ioremap);



void of_iounmap(void __iomem *base, unsigned long size)

void of_iounmap(struct resource *res, void __iomem *base, unsigned long size)

{

	if (res->flags & IORESOURCE_MEM)

		release_mem_region((unsigned long) base, size);

	else

		release_region((unsigned long) base, size);

}

EXPORT_SYMBOL(of_iounmap);

drivers/input/serio/i8042-sparcio.h

+4 −2
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ static int i8042_aux_irq = -1; 
#define I8042_MUX_PHYS_DESC "sparcps2/serio%d"



static void __iomem *kbd_iobase;

static struct resource *kbd_res;



#define I8042_COMMAND_REG	(kbd_iobase + 0x64UL)

#define I8042_DATA_REG		(kbd_iobase + 0x60UL)
@@ -60,6 +61,7 @@ static int __devinit sparc_i8042_probe(struct of_device *op, const struct of_dev 
			i8042_kbd_irq = irq;

			kbd_iobase = of_ioremap(&kbd->resource[0],

						0, 8, "kbd");

			kbd_res = &kbd->resource[0];

		} else if (!strcmp(dp->name, OBP_PS2MS_NAME1) ||

			   !strcmp(dp->name, OBP_PS2MS_NAME2)) {

			struct of_device *ms = of_find_device_by_node(dp);
@@ -77,7 +79,7 @@ static int __devinit sparc_i8042_probe(struct of_device *op, const struct of_dev 


static int __devexit sparc_i8042_remove(struct of_device *op)

{

	of_iounmap(kbd_iobase, 8);

	of_iounmap(kbd_res, kbd_iobase, 8);



	return 0;

}
@@ -119,7 +121,7 @@ static int __init i8042_platform_init(void) 
		if (i8042_kbd_irq == -1 ||

		    i8042_aux_irq == -1) {

			if (kbd_iobase) {

				of_iounmap(kbd_iobase, 8);

				of_iounmap(kbd_res, kbd_iobase, 8);

				kbd_iobase = (void __iomem *) NULL;

			}

			return -ENODEV;

drivers/serial/sunsab.c

+8 −3
Original line number Diff line number Diff line
@@ -1037,7 +1037,8 @@ static int __devinit sunsab_init_one(struct uart_sunsab_port *up, 
		err = request_irq(up->port.irq, sunsab_interrupt,

				  IRQF_SHARED, "sab", up);

		if (err) {

			of_iounmap(up->port.membase,

			of_iounmap(&op->resource[0],

				   up->port.membase,

				   sizeof(union sab82532_async_regs));

			return err;

		}
@@ -1064,7 +1065,8 @@ static int __devinit sab_probe(struct of_device *op, const struct of_device_id * 
			      sizeof(union sab82532_async_regs),

			      (inst * 2) + 1);

	if (err) {

		of_iounmap(up[0].port.membase,

		of_iounmap(&op->resource[0],

			   up[0].port.membase,

			   sizeof(union sab82532_async_regs));

		free_irq(up[0].port.irq, &up[0]);

		return err;
@@ -1082,10 +1084,13 @@ static int __devinit sab_probe(struct of_device *op, const struct of_device_id * 


static void __devexit sab_remove_one(struct uart_sunsab_port *up)

{

	struct of_device *op = to_of_device(up->port.dev);



	uart_remove_one_port(&sunsab_reg, &up->port);

	if (!(up->port.line & 1))

		free_irq(up->port.irq, up);

	of_iounmap(up->port.membase,

	of_iounmap(&op->resource[0],

		   up->port.membase,

		   sizeof(union sab82532_async_regs));

}

drivers/serial/sunsu.c

+5 −5
Original line number Diff line number Diff line
@@ -1480,13 +1480,13 @@ static int __devinit su_probe(struct of_device *op, const struct of_device_id *m 
	return 0;



out_unmap:

	of_iounmap(up->port.membase, up->reg_size);

	of_iounmap(&op->resource[0], up->port.membase, up->reg_size);

	return err;

}



static int __devexit su_remove(struct of_device *dev)

static int __devexit su_remove(struct of_device *op)

{

	struct uart_sunsu_port *up = dev_get_drvdata(&dev->dev);;

	struct uart_sunsu_port *up = dev_get_drvdata(&op->dev);



	if (up->su_type == SU_PORT_MS ||

	    up->su_type == SU_PORT_KBD) {
@@ -1499,9 +1499,9 @@ static int __devexit su_remove(struct of_device *dev) 
	}



	if (up->port.membase)

		of_iounmap(up->port.membase, up->reg_size);

		of_iounmap(&op->resource[0], up->port.membase, up->reg_size);



	dev_set_drvdata(&dev->dev, NULL);

	dev_set_drvdata(&op->dev, NULL);



	return 0;

}