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-rw-r--r--drivers/media/usb/em28xx/em28xx-audio.c5
-rw-r--r--drivers/media/usb/em28xx/em28xx-core.c5
-rw-r--r--drivers/media/usb/tm6000/tm6000-video.c5
-rw-r--r--drivers/usb/core/buffer.c8
-rw-r--r--drivers/usb/core/hcd.c14
-rw-r--r--drivers/usb/core/phy.c7
-rw-r--r--drivers/usb/host/fotg210-hcd.c33
-rw-r--r--drivers/usb/host/fotg210.h3
-rw-r--r--drivers/usb/host/pci-quirks.c12
-rw-r--r--drivers/usb/misc/iowarrior.c4
-rw-r--r--drivers/usb/misc/trancevibrator.c4
-rw-r--r--drivers/usb/mtu3/mtu3_core.c4
-rw-r--r--drivers/usb/mtu3/mtu3_gadget.c22
-rw-r--r--drivers/usb/storage/Kconfig23
-rw-r--r--drivers/usb/typec/fusb302/fusb302.c11
-rw-r--r--drivers/usb/wusbcore/wa-rpipe.c6
16 files changed, 77 insertions, 89 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c
index 8e799ae1df69..67481fc82445 100644
--- a/drivers/media/usb/em28xx/em28xx-audio.c
+++ b/drivers/media/usb/em28xx/em28xx-audio.c
@@ -116,6 +116,7 @@ static void em28xx_audio_isocirq(struct urb *urb)
stride = runtime->frame_bits >> 3;
for (i = 0; i < urb->number_of_packets; i++) {
+ unsigned long flags;
int length =
urb->iso_frame_desc[i].actual_length / stride;
cp = (unsigned char *)urb->transfer_buffer +
@@ -137,7 +138,7 @@ static void em28xx_audio_isocirq(struct urb *urb)
length * stride);
}
- snd_pcm_stream_lock(substream);
+ snd_pcm_stream_lock_irqsave(substream, flags);
dev->adev.hwptr_done_capture += length;
if (dev->adev.hwptr_done_capture >=
@@ -153,7 +154,7 @@ static void em28xx_audio_isocirq(struct urb *urb)
period_elapsed = 1;
}
- snd_pcm_stream_unlock(substream);
+ snd_pcm_stream_unlock_irqrestore(substream, flags);
}
if (period_elapsed)
snd_pcm_period_elapsed(substream);
diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c
index 5657f8710ca6..2b8c84a5c9a8 100644
--- a/drivers/media/usb/em28xx/em28xx-core.c
+++ b/drivers/media/usb/em28xx/em28xx-core.c
@@ -777,6 +777,7 @@ EXPORT_SYMBOL_GPL(em28xx_set_mode);
static void em28xx_irq_callback(struct urb *urb)
{
struct em28xx *dev = urb->context;
+ unsigned long flags;
int i;
switch (urb->status) {
@@ -793,9 +794,9 @@ static void em28xx_irq_callback(struct urb *urb)
}
/* Copy data from URB */
- spin_lock(&dev->slock);
+ spin_lock_irqsave(&dev->slock, flags);
dev->usb_ctl.urb_data_copy(dev, urb);
- spin_unlock(&dev->slock);
+ spin_unlock_irqrestore(&dev->slock, flags);
/* Reset urb buffers */
for (i = 0; i < urb->number_of_packets; i++) {
diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c
index 96055de6e8ce..7d268f2404e1 100644
--- a/drivers/media/usb/tm6000/tm6000-video.c
+++ b/drivers/media/usb/tm6000/tm6000-video.c
@@ -419,6 +419,7 @@ static void tm6000_irq_callback(struct urb *urb)
{
struct tm6000_dmaqueue *dma_q = urb->context;
struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
+ unsigned long flags;
int i;
switch (urb->status) {
@@ -436,9 +437,9 @@ static void tm6000_irq_callback(struct urb *urb)
break;
}
- spin_lock(&dev->slock);
+ spin_lock_irqsave(&dev->slock, flags);
tm6000_isoc_copy(urb);
- spin_unlock(&dev->slock);
+ spin_unlock_irqrestore(&dev->slock, flags);
/* Reset urb buffers */
for (i = 0; i < urb->number_of_packets; i++) {
diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c
index 77eef8acff94..f641342cdec0 100644
--- a/drivers/usb/core/buffer.c
+++ b/drivers/usb/core/buffer.c
@@ -101,12 +101,8 @@ void hcd_buffer_destroy(struct usb_hcd *hcd)
return;
for (i = 0; i < HCD_BUFFER_POOLS; i++) {
- struct dma_pool *pool = hcd->pool[i];
-
- if (pool) {
- dma_pool_destroy(pool);
- hcd->pool[i] = NULL;
- }
+ dma_pool_destroy(hcd->pool[i]);
+ hcd->pool[i] = NULL;
}
}
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 1c21955fe7c0..487025d31d44 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1738,7 +1738,6 @@ static void __usb_hcd_giveback_urb(struct urb *urb)
struct usb_hcd *hcd = bus_to_hcd(urb->dev->bus);
struct usb_anchor *anchor = urb->anchor;
int status = urb->unlinked;
- unsigned long flags;
urb->hcpriv = NULL;
if (unlikely((urb->transfer_flags & URB_SHORT_NOT_OK) &&
@@ -1755,20 +1754,7 @@ static void __usb_hcd_giveback_urb(struct urb *urb)
/* pass ownership to the completion handler */
urb->status = status;
-
- /*
- * We disable local IRQs here avoid possible deadlock because
- * drivers may call spin_lock() to hold lock which might be
- * acquired in one hard interrupt handler.
- *
- * The local_irq_save()/local_irq_restore() around complete()
- * will be removed if current USB drivers have been cleaned up
- * and no one may trigger the above deadlock situation when
- * running complete() in tasklet.
- */
- local_irq_save(flags);
urb->complete(urb);
- local_irq_restore(flags);
usb_anchor_resume_wakeups(anchor);
atomic_dec(&urb->use_count);
diff --git a/drivers/usb/core/phy.c b/drivers/usb/core/phy.c
index 9879767452a2..38b2c776c4b4 100644
--- a/drivers/usb/core/phy.c
+++ b/drivers/usb/core/phy.c
@@ -23,10 +23,11 @@ static int usb_phy_roothub_add_phy(struct device *dev, int index,
struct list_head *list)
{
struct usb_phy_roothub *roothub_entry;
- struct phy *phy = devm_of_phy_get_by_index(dev, dev->of_node, index);
+ struct phy *phy;
- if (IS_ERR_OR_NULL(phy)) {
- if (!phy || PTR_ERR(phy) == -ENODEV)
+ phy = devm_of_phy_get_by_index(dev, dev->of_node, index);
+ if (IS_ERR(phy)) {
+ if (PTR_ERR(phy) == -ENODEV)
return 0;
else
return PTR_ERR(phy);
diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c
index e64eb47770c8..058ff82ea789 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -31,6 +31,7 @@
#include <linux/uaccess.h>
#include <linux/platform_device.h>
#include <linux/io.h>
+#include <linux/clk.h>
#include <asm/byteorder.h>
#include <asm/irq.h>
@@ -5596,7 +5597,7 @@ static int fotg210_hcd_probe(struct platform_device *pdev)
hcd->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(hcd->regs)) {
retval = PTR_ERR(hcd->regs);
- goto failed;
+ goto failed_put_hcd;
}
hcd->rsrc_start = res->start;
@@ -5606,22 +5607,42 @@ static int fotg210_hcd_probe(struct platform_device *pdev)
fotg210->caps = hcd->regs;
+ /* It's OK not to supply this clock */
+ fotg210->pclk = clk_get(dev, "PCLK");
+ if (!IS_ERR(fotg210->pclk)) {
+ retval = clk_prepare_enable(fotg210->pclk);
+ if (retval) {
+ dev_err(dev, "failed to enable PCLK\n");
+ goto failed_put_hcd;
+ }
+ } else if (PTR_ERR(fotg210->pclk) == -EPROBE_DEFER) {
+ /*
+ * Percolate deferrals, for anything else,
+ * just live without the clocking.
+ */
+ retval = PTR_ERR(fotg210->pclk);
+ goto failed_dis_clk;
+ }
+
retval = fotg210_setup(hcd);
if (retval)
- goto failed;
+ goto failed_dis_clk;
fotg210_init(fotg210);
retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (retval) {
dev_err(dev, "failed to add hcd with err %d\n", retval);
- goto failed;
+ goto failed_dis_clk;
}
device_wakeup_enable(hcd->self.controller);
return retval;
-failed:
+failed_dis_clk:
+ if (!IS_ERR(fotg210->pclk))
+ clk_disable_unprepare(fotg210->pclk);
+failed_put_hcd:
usb_put_hcd(hcd);
fail_create_hcd:
dev_err(dev, "init %s fail, %d\n", dev_name(dev), retval);
@@ -5637,6 +5658,10 @@ static int fotg210_hcd_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct usb_hcd *hcd = dev_get_drvdata(dev);
+ struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd);
+
+ if (!IS_ERR(fotg210->pclk))
+ clk_disable_unprepare(fotg210->pclk);
if (!hcd)
return 0;
diff --git a/drivers/usb/host/fotg210.h b/drivers/usb/host/fotg210.h
index 7fcd785c7bc8..28f6467c0cbf 100644
--- a/drivers/usb/host/fotg210.h
+++ b/drivers/usb/host/fotg210.h
@@ -182,6 +182,9 @@ struct fotg210_hcd { /* one per controller */
# define COUNT(x)
#endif
+ /* silicon clock */
+ struct clk *pclk;
+
/* debug files */
struct dentry *debug_dir;
};
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 3625a5c1a41b..3ce71cbfbb58 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -783,15 +783,9 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
/* disable interrupts */
writel((u32) ~0, base + OHCI_INTRDISABLE);
- /* Reset the USB bus, if the controller isn't already in RESET */
- if (control & OHCI_HCFS) {
- /* Go into RESET, preserving RWC (and possibly IR) */
- writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
- readl(base + OHCI_CONTROL);
-
- /* drive bus reset for at least 50 ms (7.1.7.5) */
- msleep(50);
- }
+ /* Go into the USB_RESET state, preserving RWC (and possibly IR) */
+ writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
+ readl(base + OHCI_CONTROL);
/* software reset of the controller, preserving HcFmInterval */
if (!no_fminterval)
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index c2991b8a65ce..ba05dd80a020 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -808,8 +808,8 @@ static int iowarrior_probe(struct usb_interface *interface,
dev->int_in_endpoint->bInterval);
/* create an internal buffer for interrupt data from the device */
dev->read_queue =
- kmalloc(((dev->report_size + 1) * MAX_INTERRUPT_BUFFER),
- GFP_KERNEL);
+ kmalloc_array(dev->report_size + 1, MAX_INTERRUPT_BUFFER,
+ GFP_KERNEL);
if (!dev->read_queue)
goto error;
/* Get the serial-number of the chip */
diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c
index b3e1f553954a..ac357ce2d1a6 100644
--- a/drivers/usb/misc/trancevibrator.c
+++ b/drivers/usb/misc/trancevibrator.c
@@ -46,7 +46,9 @@ static ssize_t speed_store(struct device *dev, struct device_attribute *attr,
struct trancevibrator *tv = usb_get_intfdata(intf);
int temp, retval, old;
- temp = simple_strtoul(buf, NULL, 10);
+ retval = kstrtoint(buf, 10, &temp);
+ if (retval)
+ return retval;
if (temp > 255)
temp = 255;
else if (temp < 0)
diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index d045d8458f81..ae70b9bfd797 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -185,8 +185,8 @@ static void mtu3_intr_enable(struct mtu3 *mtu)
if (mtu->is_u3_ip) {
/* Enable U3 LTSSM interrupts */
- value = HOT_RST_INTR | WARM_RST_INTR | VBUS_RISE_INTR |
- VBUS_FALL_INTR | ENTER_U3_INTR | EXIT_U3_INTR;
+ value = HOT_RST_INTR | WARM_RST_INTR |
+ ENTER_U3_INTR | EXIT_U3_INTR;
mtu3_writel(mbase, U3D_LTSSM_INTR_ENABLE, value);
}
diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c
index 5c60a8c5a0b5..bbcd3332471d 100644
--- a/drivers/usb/mtu3/mtu3_gadget.c
+++ b/drivers/usb/mtu3/mtu3_gadget.c
@@ -585,6 +585,17 @@ static const struct usb_gadget_ops mtu3_gadget_ops = {
.udc_stop = mtu3_gadget_stop,
};
+static void mtu3_state_reset(struct mtu3 *mtu)
+{
+ mtu->address = 0;
+ mtu->ep0_state = MU3D_EP0_STATE_SETUP;
+ mtu->may_wakeup = 0;
+ mtu->u1_enable = 0;
+ mtu->u2_enable = 0;
+ mtu->delayed_status = false;
+ mtu->test_mode = false;
+}
+
static void init_hw_ep(struct mtu3 *mtu, struct mtu3_ep *mep,
u32 epnum, u32 is_in)
{
@@ -702,6 +713,7 @@ void mtu3_gadget_disconnect(struct mtu3 *mtu)
spin_lock(&mtu->lock);
}
+ mtu3_state_reset(mtu);
usb_gadget_set_state(&mtu->g, USB_STATE_NOTATTACHED);
}
@@ -712,12 +724,6 @@ void mtu3_gadget_reset(struct mtu3 *mtu)
/* report disconnect, if we didn't flush EP state */
if (mtu->g.speed != USB_SPEED_UNKNOWN)
mtu3_gadget_disconnect(mtu);
-
- mtu->address = 0;
- mtu->ep0_state = MU3D_EP0_STATE_SETUP;
- mtu->may_wakeup = 0;
- mtu->u1_enable = 0;
- mtu->u2_enable = 0;
- mtu->delayed_status = false;
- mtu->test_mode = false;
+ else
+ mtu3_state_reset(mtu);
}
diff --git a/drivers/usb/storage/Kconfig b/drivers/usb/storage/Kconfig
index ec84758f0e23..6fd427284b12 100644
--- a/drivers/usb/storage/Kconfig
+++ b/drivers/usb/storage/Kconfig
@@ -23,16 +23,16 @@ config USB_STORAGE
To compile this driver as a module, choose M here: the
module will be called usb-storage.
+if USB_STORAGE
+
config USB_STORAGE_DEBUG
bool "USB Mass Storage verbose debug"
- depends on USB_STORAGE
help
Say Y here in order to have the USB Mass Storage code generate
verbose debugging messages.
config USB_STORAGE_REALTEK
tristate "Realtek Card Reader support"
- depends on USB_STORAGE
help
Say Y here to include additional code to support the power-saving function
for Realtek RTS51xx USB card readers.
@@ -46,7 +46,6 @@ config REALTEK_AUTOPM
config USB_STORAGE_DATAFAB
tristate "Datafab Compact Flash Reader support"
- depends on USB_STORAGE
help
Support for certain Datafab CompactFlash readers.
Datafab has a web page at <http://www.datafab.com/>.
@@ -55,7 +54,6 @@ config USB_STORAGE_DATAFAB
config USB_STORAGE_FREECOM
tristate "Freecom USB/ATAPI Bridge support"
- depends on USB_STORAGE
help
Support for the Freecom USB to IDE/ATAPI adaptor.
Freecom has a web page at <http://www.freecom.de/>.
@@ -64,7 +62,6 @@ config USB_STORAGE_FREECOM
config USB_STORAGE_ISD200
tristate "ISD-200 USB/ATA Bridge support"
- depends on USB_STORAGE
---help---
Say Y here if you want to use USB Mass Store devices based
on the In-Systems Design ISD-200 USB/ATA bridge.
@@ -82,7 +79,6 @@ config USB_STORAGE_ISD200
config USB_STORAGE_USBAT
tristate "USBAT/USBAT02-based storage support"
- depends on USB_STORAGE
help
Say Y here to include additional code to support storage devices
based on the SCM/Shuttle USBAT/USBAT02 processors.
@@ -105,7 +101,6 @@ config USB_STORAGE_USBAT
config USB_STORAGE_SDDR09
tristate "SanDisk SDDR-09 (and other SmartMedia, including DPCM) support"
- depends on USB_STORAGE
help
Say Y here to include additional code to support the Sandisk SDDR-09
SmartMedia reader in the USB Mass Storage driver.
@@ -115,7 +110,6 @@ config USB_STORAGE_SDDR09
config USB_STORAGE_SDDR55
tristate "SanDisk SDDR-55 SmartMedia support"
- depends on USB_STORAGE
help
Say Y here to include additional code to support the Sandisk SDDR-55
SmartMedia reader in the USB Mass Storage driver.
@@ -124,7 +118,6 @@ config USB_STORAGE_SDDR55
config USB_STORAGE_JUMPSHOT
tristate "Lexar Jumpshot Compact Flash Reader"
- depends on USB_STORAGE
help
Say Y here to include additional code to support the Lexar Jumpshot
USB CompactFlash reader.
@@ -133,7 +126,6 @@ config USB_STORAGE_JUMPSHOT
config USB_STORAGE_ALAUDA
tristate "Olympus MAUSB-10/Fuji DPC-R1 support"
- depends on USB_STORAGE
help
Say Y here to include additional code to support the Olympus MAUSB-10
and Fujifilm DPC-R1 USB Card reader/writer devices.
@@ -145,7 +137,6 @@ config USB_STORAGE_ALAUDA
config USB_STORAGE_ONETOUCH
tristate "Support OneTouch Button on Maxtor Hard Drives"
- depends on USB_STORAGE
depends on INPUT=y || INPUT=USB_STORAGE
help
Say Y here to include additional code to support the Maxtor OneTouch
@@ -160,7 +151,6 @@ config USB_STORAGE_ONETOUCH
config USB_STORAGE_KARMA
tristate "Support for Rio Karma music player"
- depends on USB_STORAGE
help
Say Y here to include additional code to support the Rio Karma
USB interface.
@@ -174,7 +164,6 @@ config USB_STORAGE_KARMA
config USB_STORAGE_CYPRESS_ATACB
tristate "SAT emulation on Cypress USB/ATA Bridge with ATACB"
- depends on USB_STORAGE
---help---
Say Y here if you want to use SAT (ata pass through) on devices based
on the Cypress USB/ATA bridge supporting ATACB. This will allow you
@@ -187,19 +176,15 @@ config USB_STORAGE_CYPRESS_ATACB
config USB_STORAGE_ENE_UB6250
tristate "USB ENE card reader support"
- depends on SCSI
- depends on USB_STORAGE
---help---
Say Y here if you wish to control a ENE SD/MS Card reader.
Note that this driver does not support SM cards.
- This option depends on 'SCSI' support being enabled, but you
- probably also need 'SCSI device support: SCSI disk support'
- (BLK_DEV_SD) for most USB storage devices.
-
To compile this driver as a module, choose M here: the
module will be called ums-eneub6250.
+endif # USB_STORAGE
+
config USB_UAS
tristate "USB Attached SCSI"
depends on SCSI && USB_STORAGE
diff --git a/drivers/usb/typec/fusb302/fusb302.c b/drivers/usb/typec/fusb302/fusb302.c
index 82bed9810be6..ad7cfed1cea7 100644
--- a/drivers/usb/typec/fusb302/fusb302.c
+++ b/drivers/usb/typec/fusb302/fusb302.c
@@ -48,13 +48,6 @@ enum toggling_mode {
TOGGLING_MODE_SRC,
};
-static const char * const toggling_mode_name[] = {
- [TOGGLINE_MODE_OFF] = "toggling_OFF",
- [TOGGLING_MODE_DRP] = "toggling_DRP",
- [TOGGLING_MODE_SNK] = "toggling_SNK",
- [TOGGLING_MODE_SRC] = "toggling_SRC",
-};
-
enum src_current_status {
SRC_CURRENT_DEFAULT,
SRC_CURRENT_MEDIUM,
@@ -1178,10 +1171,6 @@ static const u32 src_pdo[] = {
PDO_FIXED(5000, 400, PDO_FIXED_FLAGS),
};
-static const u32 snk_pdo[] = {
- PDO_FIXED(5000, 400, PDO_FIXED_FLAGS),
-};
-
static const struct tcpc_config fusb302_tcpc_config = {
.src_pdo = src_pdo,
.nr_src_pdo = ARRAY_SIZE(src_pdo),
diff --git a/drivers/usb/wusbcore/wa-rpipe.c b/drivers/usb/wusbcore/wa-rpipe.c
index 38884aac862b..a5734cbcd5ad 100644
--- a/drivers/usb/wusbcore/wa-rpipe.c
+++ b/drivers/usb/wusbcore/wa-rpipe.c
@@ -470,9 +470,7 @@ error:
int wa_rpipes_create(struct wahc *wa)
{
wa->rpipes = le16_to_cpu(wa->wa_descr->wNumRPipes);
- wa->rpipe_bm = kcalloc(BITS_TO_LONGS(wa->rpipes),
- sizeof(unsigned long),
- GFP_KERNEL);
+ wa->rpipe_bm = bitmap_zalloc(wa->rpipes, GFP_KERNEL);
if (wa->rpipe_bm == NULL)
return -ENOMEM;
return 0;
@@ -487,7 +485,7 @@ void wa_rpipes_destroy(struct wahc *wa)
dev_err(dev, "BUG: pipes not released on exit: %*pb\n",
wa->rpipes, wa->rpipe_bm);
}
- kfree(wa->rpipe_bm);
+ bitmap_free(wa->rpipe_bm);
}
/*