diff options
| author | Fabio Estevam <fabio.estevam@freescale.com> | 2010-12-13 10:47:05 -0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-12-14 09:55:53 +0100 |
| commit | 28a4f908acb342350b9ecbfcdf0a999cb83e05aa (patch) | |
| tree | ce0bea69a22fe4731a094a443d6ea2660a27c82b | |
| parent | bb477de2efc560e55c4a830329273661f3664bc8 (diff) | |
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>
| -rw-r--r-- | arch/arm/mach-mx5/board-cpuimx51.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/board-cpuimx51sd.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_babbage.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_efikamx.c | 2 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/ehci.c | 4 |
5 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/board-cpuimx51.c b/arch/arm/mach-mx5/board-cpuimx51.c index 6ab002d08a5..125a1961fd8 100644 --- 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 8e71c19b901..7e8fb82d22f 100644 --- 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 a896f84895a..368a315e9ac 100644 --- 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 5ab21a0036c..94e7818c506 100644 --- 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 c1a7146dad9..d59f5feb3c5 100644 --- 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 */ |