[PATCH -next] usb: host: Do not check for 0 return after calling platform_get_irq()

[Ruan Jinjie]

It is not possible for platform_get_irq() to return 0. Use the
return value from platform_get_irq().

Signed-off-by: Ruan Jinjie <ruanjinjie at huawei.com>
---
 drivers/usb/host/ehci-atmel.c | 4 ++--
 drivers/usb/host/ehci-brcm.c  | 4 ++--
 drivers/usb/host/ehci-orion.c | 4 ++--
 drivers/usb/host/ehci-sh.c    | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index 61808c51e702..6ee08476afd9 100644
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -102,8 +102,8 @@ static int ehci_atmel_drv_probe(struct platform_device *pdev)
 	pr_debug("Initializing Atmel-SoC USB Host Controller\n");
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq <= 0) {
-		retval = -ENODEV;
+	if (irq < 0) {
+		retval = irq;
 		goto fail_create_hcd;
 	}
 
diff --git a/drivers/usb/host/ehci-brcm.c b/drivers/usb/host/ehci-brcm.c
index 0362a082abb4..77e42c739c58 100644
--- a/drivers/usb/host/ehci-brcm.c
+++ b/drivers/usb/host/ehci-brcm.c
@@ -140,8 +140,8 @@ static int ehci_brcm_probe(struct platform_device *pdev)
 		return err;
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq <= 0)
-		return irq ? irq : -EINVAL;
+	if (irq < 0)
+		return irq;
 
 	/* Hook the hub control routine to work around a bug */
 	ehci_brcm_hc_driver.hub_control = ehci_brcm_hub_control;
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index 2cfb27dc943a..a4663351ba26 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -220,8 +220,8 @@ static int ehci_orion_drv_probe(struct platform_device *pdev)
 	pr_debug("Initializing Orion-SoC USB Host Controller\n");
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq <= 0) {
-		err = -ENODEV;
+	if (irq < 0) {
+		err = irq;
 		goto err;
 	}
 
diff --git a/drivers/usb/host/ehci-sh.c b/drivers/usb/host/ehci-sh.c
index 0520e762801d..f982c236e187 100644
--- a/drivers/usb/host/ehci-sh.c
+++ b/drivers/usb/host/ehci-sh.c
@@ -82,8 +82,8 @@ static int ehci_hcd_sh_probe(struct platform_device *pdev)
 		return -ENODEV;
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq <= 0) {
-		ret = -ENODEV;
+	if (irq < 0) {
+		ret = irq;
 		goto fail_create_hcd;
 	}
 
-- 
2.34.1