i2c-nomadik: release region when removed

So that the module can be loaded again after an unload.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index a4f8d33..170dbd7 100644 (file)
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -914,6 +914,7 @@ static int __devinit nmk_i2c_probe(struct platform_device *pdev)
 
 static int __devexit nmk_i2c_remove(struct platform_device *pdev)
 {
+       struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        struct nmk_i2c_dev *dev = platform_get_drvdata(pdev);
 
        i2c_del_adapter(&dev->adap);
@@ -924,6 +925,8 @@ static int __devexit nmk_i2c_remove(struct platform_device *pdev)
        i2c_clr_bit(dev->virtbase + I2C_CR, I2C_CR_PE);
        free_irq(dev->irq, dev);
        iounmap(dev->virtbase);
+       if (res)
+               release_mem_region(res->start, resource_size(res));
        clk_disable(dev->clk);
        clk_put(dev->clk);
        platform_set_drvdata(pdev, NULL);