From: Shiraz Hashim <shiraz.hashim@st.com>
Date: Fri, 20 Jan 2012 10:35:19 +0000 (+0100)
Subject: mtd: spear_smi: release memory region during remove
X-Git-Tag: firefly_0821_release~3680^2~3177^2~109
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=495c47d799d93ad688db9db170200eb71525ff45;p=firefly-linux-kernel-4.4.55.git

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 1eac56cf8ed6..0f0f1ac06493 100644
--- 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;