mtd: spear_smi: release memory region during remove

Driver must cleanup all held resources during remove. It wasn't
releasing requested memory region.

Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c
index 1eac56c..0f0f1ac 100644 (file)
--- a/drivers/mtd/devices/spear_smi.c
+++ b/drivers/mtd/devices/spear_smi.c
@@ -1024,6 +1024,7 @@ static int __devexit spear_smi_remove(struct platform_device *pdev)
 {
        struct spear_smi *dev;
        struct spear_snor_flash *flash;
+       struct resource *smi_base;
        int ret;
        int i, irq;
 
@@ -1055,6 +1056,9 @@ static int __devexit spear_smi_remove(struct platform_device *pdev)
        clk_put(dev->clk);
        iounmap(dev->io_base);
        kfree(dev);
+
+       smi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       release_mem_region(smi_base->start, resource_size(smi_base));
        platform_set_drvdata(pdev, NULL);
 
        return 0;