diff --git a/hw/i2c/pm_smbus.c b/hw/i2c/pm_smbus.c
index d7eae548cb..9ad6a47739 100644
--- a/hw/i2c/pm_smbus.c
+++ b/hw/i2c/pm_smbus.c
@@ -2,3 +2,3 @@
  * PC SMBus implementation
- * splitted from acpi.c
+ * split from acpi.c
  *
diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c
index 44fe4eddbb..426f72ac60 100644
--- a/hw/i2c/pmbus_device.c
+++ b/hw/i2c/pmbus_device.c
@@ -1625,3 +1625,3 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len)
 passthrough:
-    /* Unimplimented registers get passed to the device */
+    /* Unimplemented registers get passed to the device */
     default:
diff --git a/hw/i2c/smbus_slave.c b/hw/i2c/smbus_slave.c
index feb3ec6333..2ef2c7c5f6 100644
--- a/hw/i2c/smbus_slave.c
+++ b/hw/i2c/smbus_slave.c
@@ -4,3 +4,3 @@
  * This code is a helper for SMBus device emulation.  It implements an
- * I2C device inteface and runs the SMBus protocol from the device
+ * I2C device interface and runs the SMBus protocol from the device
  * point of view and maps those to simple calls to emulate.
diff --git a/hw/ide/ahci_internal.h b/hw/ide/ahci_internal.h
index 2480455372..c244bbd8be 100644
--- a/hw/ide/ahci_internal.h
+++ b/hw/ide/ahci_internal.h
@@ -63,3 +63,3 @@ enum AHCIHostReg {
     AHCI_HOST_REG_PORTS_IMPL = 3,  /* PI: bitmap of implemented ports */
-    AHCI_HOST_REG_VERSION    = 4,  /* VS: AHCI spec. version compliancy */
+    AHCI_HOST_REG_VERSION    = 4,  /* VS: AHCI spec. version compliance */
     AHCI_HOST_REG_CCC_CTL    = 5,  /* CCC_CTL: CCC Control */
@@ -69,3 +69,3 @@ enum AHCIHostReg {
     AHCI_HOST_REG_CAP2       = 9,  /* CAP2: host capabilities, extended */
-    AHCI_HOST_REG_BOHC       = 10, /* BOHC: firmare/os handoff ctrl & status */
+    AHCI_HOST_REG_BOHC       = 10, /* BOHC: firmware/os handoff ctrl & status */
     AHCI_HOST_REG__COUNT     = 11
diff --git a/hw/ide/cmd646.c b/hw/ide/cmd646.c
index cabe9048b1..c0bcfa4414 100644
--- a/hw/ide/cmd646.c
+++ b/hw/ide/cmd646.c
@@ -259,3 +259,3 @@ static void pci_cmd646_ide_realize(PCIDevice *dev, Error **errp)
     if (d->secondary) {
-        /* XXX: if not enabled, really disable the seconday IDE controller */
+        /* XXX: if not enabled, really disable the secondary IDE controller */
         pci_conf[CNTRL] |= CNTRL_EN_CH1; /* enable IDE1 */
diff --git a/hw/ide/core.c b/hw/ide/core.c
index de48ff9f86..ee116891ed 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -1700,3 +1700,3 @@ static bool cmd_set_features(IDEState *s, uint8_t cmd)
                 break;
-            case 0x02: /* sigle word dma mode*/
+            case 0x02: /* single word dma mode */
                 put_le16(identify_data + 62, 0x07 | (1 << (val + 8)));
diff --git a/hw/usb/ccid-card-emulated.c b/hw/usb/ccid-card-emulated.c
index c328660075..3ee9c73b87 100644
--- a/hw/usb/ccid-card-emulated.c
+++ b/hw/usb/ccid-card-emulated.c
@@ -520,3 +520,3 @@ static void emulated_realize(CCIDCardState *base, Error **errp)
 
-    /* TODO: a passthru backened that works on local machine. third card type?*/
+    /* TODO: a passthru backend that works on local machine. third card type?*/
     if (card->backend == BACKEND_CERTIFICATES) {
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index c930c60921..19b4534c20 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -1466,3 +1466,3 @@ static int ehci_process_itd(EHCIState *ehci,
                 } else {
-                    DPRINTF("ISOCH: attempt to addess non-iso endpoint\n");
+                    DPRINTF("ISOCH: attempt to address non-iso endpoint\n");
                     ehci->ipacket.status = USB_RET_NAK;
@@ -1515,3 +1515,3 @@ static int ehci_process_itd(EHCIState *ehci,
 /*  This state is the entry point for asynchronous schedule
- *  processing.  Entry here consitutes a EHCI start event state (4.8.5)
+ *  processing.  Entry here constitutes a EHCI start event state (4.8.5)
  */
@@ -2460,3 +2460,3 @@ static void usb_ehci_vm_state_change(void *opaque, bool running, RunState state)
      * to miss a QH unlink, and fail to cancel packets, since the unlinked QH
-     * will never have existed on the destination. Therefor we must flush the
+     * will never have existed on the destination. Therefore we must flush the
      * async schedule on savevm to catch any not yet noticed unlinks.
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index cc5cde6983..7ff1b65ced 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -1357,3 +1357,3 @@ static uint32_t ohci_get_frame_remaining(OHCIState *ohci)
     }
-    /* Being in USB operational state guarnatees sof_time was set already. */
+    /* Being in USB operational state guarantees sof_time was set already. */
     tks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - ohci->sof_time;
diff --git a/hw/usb/quirks.h b/hw/usb/quirks.h
index c3e595f40b..94b2c95341 100644
--- a/hw/usb/quirks.h
+++ b/hw/usb/quirks.h
@@ -69,3 +69,3 @@ static const struct usb_device_id usbredir_raw_serial_ids[] = {
     { USB_DEVICE(0x10C4, 0x8044) }, /* Cygnal Debug Adapter */
-    { USB_DEVICE(0x10C4, 0x804E) }, /* Software Bisque Paramount ME build-in converter */
+    { USB_DEVICE(0x10C4, 0x804E) }, /* Software Bisque Paramount ME built-in converter */
     { USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index 39fbaaab16..0e256c1eca 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -473,3 +473,3 @@ static int bufp_alloc(USBRedirDevice *dev, uint8_t *data, uint16_t len,
     }
-    /* Since we're interupting the stream anyways, drop enough packets to get
+    /* Since we're interrupting the stream anyways, drop enough packets to get
        back to our target buffer size */
diff --git a/hw/usb/trace-events b/hw/usb/trace-events
index 6bb9655c8d..ed7dc210d3 100644
--- a/hw/usb/trace-events
+++ b/hw/usb/trace-events
@@ -250,3 +250,3 @@ usb_set_device_feature(int addr, int feature, int ret) "dev %d, feature %d, ret
 usb_hub_reset(int addr) "dev %d"
-usb_hub_control(int addr, int request, int value, int index, int length) "dev %d, req 0x%x, value %d, index %d, langth %d"
+usb_hub_control(int addr, int request, int value, int index, int length) "dev %d, req 0x%x, value %d, index %d, length %d"
 usb_hub_get_port_status(int addr, int nr, int status, int changed) "dev %d, port %d, status 0x%x, changed 0x%x"
diff --git a/hw/usb/xen-usb.c b/hw/usb/xen-usb.c
index 38ee660a30..09ec326aea 100644
--- a/hw/usb/xen-usb.c
+++ b/hw/usb/xen-usb.c
@@ -453,3 +453,3 @@ static int usbback_check_and_submit(struct usbback_req *usbback_req)
     /*
-     * When the device is first connected or resetted, USB device has no
+     * When the device is first connected or reset, USB device has no
      * address. In this initial state, following requests are sent to device
