ARM: mx5: check for error in ioremap

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

diff --git a/arch/arm/mach-mx5/board-cpuimx51.c b/arch/arm/mach-mx5/board-cpuimx51.c
index 6ab002d..125a196 100644 (file)
--- a/arch/arm/mach-mx5/board-cpuimx51.c
+++ b/arch/arm/mach-mx5/board-cpuimx51.c
@@ -178,6 +178,8 @@ static int initialize_otg_port(struct platform_device *pdev)
        void __iomem *usbother_base;
 
        usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+       if (!usb_base)
+               return -ENOMEM;
        usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
 
        /* Set the PHY clock to 19.2MHz */
@@ -196,6 +198,8 @@ static int initialize_usbh1_port(struct platform_device *pdev)
        void __iomem *usbother_base;
 
        usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+       if (!usb_base)
+               return -ENOMEM;
        usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
 
        /* The clock for the USBH1 ULPI port will come externally from the PHY. */

diff --git a/arch/arm/mach-mx5/board-cpuimx51sd.c b/arch/arm/mach-mx5/board-cpuimx51sd.c
index 8e71c19..7e8fb82 100644 (file)
--- a/arch/arm/mach-mx5/board-cpuimx51sd.c
+++ b/arch/arm/mach-mx5/board-cpuimx51sd.c
@@ -157,6 +157,8 @@ static int initialize_otg_port(struct platform_device *pdev)
        void __iomem *usbother_base;
 
        usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+       if (!usb_base)
+               return -ENOMEM;
        usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
 
        /* Set the PHY clock to 19.2MHz */
@@ -175,6 +177,8 @@ static int initialize_usbh1_port(struct platform_device *pdev)
        void __iomem *usbother_base;
 
        usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+       if (!usb_base)
+               return -ENOMEM;
        usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
 
        /* The clock for the USBH1 ULPI port will come from the PHY. */

diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index a896f84..368a315 100644 (file)
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -262,6 +262,8 @@ static int initialize_otg_port(struct platform_device *pdev)
        void __iomem *usbother_base;
 
        usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+       if (!usb_base)
+               return -ENOMEM;
        usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
 
        /* Set the PHY clock to 19.2MHz */
@@ -280,6 +282,8 @@ static int initialize_usbh1_port(struct platform_device *pdev)
        void __iomem *usbother_base;
 
        usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+       if (!usb_base)
+               return -ENOMEM;
        usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
 
        /* The clock for the USBH1 ULPI port will come externally from the PHY. */

diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c
index 5ab21a0..94e7818 100644 (file)
--- a/arch/arm/mach-mx5/board-mx51_efikamx.c
+++ b/arch/arm/mach-mx5/board-mx51_efikamx.c
@@ -148,6 +148,8 @@ static int initialize_otg_port(struct platform_device *pdev)
        void __iomem *usb_base;
        void __iomem *usbother_base;
        usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+       if (!usb_base)
+               return -ENOMEM;
        usbother_base = (void __iomem *)(usb_base + MX5_USBOTHER_REGS_OFFSET);
 
        /* Set the PHY clock to 19.2MHz */

diff --git a/arch/arm/plat-mxc/ehci.c b/arch/arm/plat-mxc/ehci.c
index c1a7146..d59f5fe 100644 (file)
--- a/arch/arm/plat-mxc/ehci.c
+++ b/arch/arm/plat-mxc/ehci.c
@@ -254,6 +254,10 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
                int ret = 0;
 
                usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+               if (!usb_base) {
+                       printk(KERN_ERR "%s(): ioremap failed\n", __func__);
+                       return -ENOMEM;
+               }
 
                switch (port) {
                case 0: /* OTG port */