usb: dwc3: remove unnecessary OOM messages

The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

5 files changed, 8 insertions, 24 deletions

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index b769c1faaf03..f2050e844b4b 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -186,10 +186,8 @@ static int dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned length)
 
         dwc->ev_buffs = devm_kzalloc(dwc->dev, sizeof(*dwc->ev_buffs) * num,
                         GFP_KERNEL);
-        if (!dwc->ev_buffs) {
-                dev_err(dwc->dev, "can't allocate event buffers array\n");
+        if (!dwc->ev_buffs)
                 return -ENOMEM;
-        }
 
         for (i = 0; i < num; i++) {
                 struct dwc3_event_buffer        *evt;
@@ -639,10 +637,9 @@ static int dwc3_probe(struct platform_device *pdev)
         void                    *mem;
 
         mem = devm_kzalloc(dev, sizeof(*dwc) + DWC3_ALIGN_MASK, GFP_KERNEL);
-        if (!mem) {
-                dev_err(dev, "not enough memory\n");
+        if (!mem)
                 return -ENOMEM;
-        }
+
         dwc = PTR_ALIGN(mem, DWC3_ALIGN_MASK + 1);
         dwc->mem = mem;
         dwc->dev = dev;
diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index f9fb8adb785b..3951a65fea04 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -113,10 +113,8 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
         int                     ret;
 
         exynos = devm_kzalloc(dev, sizeof(*exynos), GFP_KERNEL);
-        if (!exynos) {
-                dev_err(dev, "not enough memory\n");
+        if (!exynos)
                 return -ENOMEM;
-        }
 
         /*
          * Right now device-tree probed devices don't get dma_mask set.
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index ef4936ff626c..76345aceb4b6 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -481,10 +481,8 @@ static int dwc3_omap_probe(struct platform_device *pdev)
         }
 
         omap = devm_kzalloc(dev, sizeof(*omap), GFP_KERNEL);
-        if (!omap) {
-                dev_err(dev, "not enough memory\n");
+        if (!omap)
                 return -ENOMEM;
-        }
 
         platform_set_drvdata(pdev, omap);
 
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index a60bab7dfa0a..436fb08c40b8 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -103,10 +103,8 @@ static int dwc3_pci_probe(struct pci_dev *pci,
         struct device           *dev = &pci->dev;
 
         glue = devm_kzalloc(dev, sizeof(*glue), GFP_KERNEL);
-        if (!glue) {
-                dev_err(dev, "not enough memory\n");
+        if (!glue)
                 return -ENOMEM;
-        }
 
         glue->dev = dev;
 
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 349cacc577d8..307b5139faf3 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -789,13 +789,10 @@ static struct usb_request *dwc3_gadget_ep_alloc_request(struct usb_ep *ep,
 {
         struct dwc3_request             *req;
         struct dwc3_ep                  *dep = to_dwc3_ep(ep);
-        struct dwc3                     *dwc = dep->dwc;
 
         req = kzalloc(sizeof(*req), gfp_flags);
-        if (!req) {
-                dev_err(dwc->dev, "not enough memory\n");
+        if (!req)
                 return NULL;
-        }
 
         req->epnum      = dep->number;
         req->dep        = dep;
@@ -1743,11 +1740,8 @@ static int dwc3_gadget_init_hw_endpoints(struct dwc3 *dwc,
                 u8 epnum = (i << 1) | (!!direction);
 
                 dep = kzalloc(sizeof(*dep), GFP_KERNEL);
-                if (!dep) {
-                        dev_err(dwc->dev, "can't allocate endpoint %d\n",
-                                        epnum);
+                if (!dep)
                         return -ENOMEM;
-                }
 
                 dep->dwc = dwc;
                 dep->number = epnum;
@@ -2759,7 +2753,6 @@ int dwc3_gadget_init(struct dwc3 *dwc)
 
         dwc->setup_buf = kzalloc(DWC3_EP0_BOUNCE_SIZE, GFP_KERNEL);
         if (!dwc->setup_buf) {
-                dev_err(dwc->dev, "failed to allocate setup buffer\n");
                 ret = -ENOMEM;
                 goto err2;
         }