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USB fixes for 4.4-rc6

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Here are some USB and PHY fixes for 4.4-rc6.  All of them resolve some
 reported problems.  Full details in the shortlog.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 Version: GnuPG v2
 
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Merge tag 'usb-4.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some USB and PHY fixes for 4.4-rc6.  All of them resolve some
  reported problems.  Full details in the shortlog"

* tag 'usb-4.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  USB: fix invalid memory access in hub_activate()
  USB: ipaq.c: fix a timeout loop
  phy: core: Get a refcount to phy in devm_of_phy_get_by_index()
  phy: cygnus: pcie: add missing of_node_put
  phy: miphy365x: add missing of_node_put
  phy: miphy28lp: add missing of_node_put
  phy: rockchip-usb: add missing of_node_put
  phy: berlin-sata: add missing of_node_put
  phy: mt65xx-usb3: add missing of_node_put
  phy: brcmstb-sata: add missing of_node_put
  phy: sun9i-usb: add USB dependency
This commit is contained in:
Linus Torvalds 2015-12-19 17:33:58 -08:00
commit 24b0d5e738
11 changed files with 122 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/phy/Kconfig
View File

@ -233,6 +233,7 @@ config PHY_SUN9I_USB
tristate "Allwinner sun9i SoC USB PHY driver"
depends on ARCH_SUNXI && HAS_IOMEM && OF
depends on RESET_CONTROLLER
depends on USB_COMMON
select GENERIC_PHY
help
Enable this to support the transceiver that is part of Allwinner

16
drivers/phy/phy-bcm-cygnus-pcie.c
View File

@ -128,6 +128,7 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev)
struct phy_provider *provider;
struct resource *res;
unsigned cnt = 0;
int ret;
if (of_get_child_count(node) == 0) {
dev_err(dev, "PHY no child node\n");
@ -154,24 +155,28 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev)
if (of_property_read_u32(child, "reg", &id)) {
dev_err(dev, "missing reg property for %s\n",
child->name);
return -EINVAL;
ret = -EINVAL;
goto put_child;
}
if (id >= MAX_NUM_PHYS) {
dev_err(dev, "invalid PHY id: %u\n", id);
return -EINVAL;
ret = -EINVAL;
goto put_child;
}
if (core->phys[id].phy) {
dev_err(dev, "duplicated PHY id: %u\n", id);
return -EINVAL;
ret = -EINVAL;
goto put_child;
}
p = &core->phys[id];
p->phy = devm_phy_create(dev, child, &cygnus_pcie_phy_ops);
if (IS_ERR(p->phy)) {
dev_err(dev, "failed to create PHY\n");
return PTR_ERR(p->phy);
ret = PTR_ERR(p->phy);
goto put_child;
}
p->core = core;
@ -191,6 +196,9 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev)
dev_dbg(dev, "registered %u PCIe PHY(s)\n", cnt);
return 0;
put_child:
of_node_put(child);
return ret;
}
static const struct of_device_id cygnus_pcie_phy_match_table[] = {

20
drivers/phy/phy-berlin-sata.c
View File

@ -195,7 +195,7 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
struct phy_provider *phy_provider;
struct phy_berlin_priv *priv;
struct resource *res;
int i = 0;
int ret, i = 0;
u32 phy_id;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@ -237,22 +237,27 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
if (of_property_read_u32(child, "reg", &phy_id)) {
dev_err(dev, "missing reg property in node %s\n",
child->name);
return -EINVAL;
ret = -EINVAL;
goto put_child;
}
if (phy_id >= ARRAY_SIZE(phy_berlin_power_down_bits)) {
dev_err(dev, "invalid reg in node %s\n", child->name);
return -EINVAL;
ret = -EINVAL;
goto put_child;
}
phy_desc = devm_kzalloc(dev, sizeof(*phy_desc), GFP_KERNEL);
if (!phy_desc)
return -ENOMEM;
if (!phy_desc) {
ret = -ENOMEM;
goto put_child;
}
phy = devm_phy_create(dev, NULL, &phy_berlin_sata_ops);
if (IS_ERR(phy)) {
dev_err(dev, "failed to create PHY %d\n", phy_id);
return PTR_ERR(phy);
ret = PTR_ERR(phy);
goto put_child;
}
phy_desc->phy = phy;
@ -269,6 +274,9 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
phy_provider =
devm_of_phy_provider_register(dev, phy_berlin_sata_phy_xlate);
return PTR_ERR_OR_ZERO(phy_provider);
put_child:
of_node_put(child);
return ret;
}
static const struct of_device_id phy_berlin_sata_of_match[] = {

17
drivers/phy/phy-brcmstb-sata.c
View File

@ -140,7 +140,7 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
struct brcm_sata_phy *priv;
struct resource *res;
struct phy_provider *provider;
int count = 0;
int ret, count = 0;
if (of_get_child_count(dn) == 0)
return -ENODEV;
@ -163,16 +163,19 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
if (of_property_read_u32(child, "reg", &id)) {
dev_err(dev, "missing reg property in node %s\n",
child->name);
return -EINVAL;
ret = -EINVAL;
goto put_child;
}
if (id >= MAX_PORTS) {
dev_err(dev, "invalid reg: %u\n", id);
return -EINVAL;
ret = -EINVAL;
goto put_child;
}
if (priv->phys[id].phy) {
dev_err(dev, "already registered port %u\n", id);
return -EINVAL;
ret = -EINVAL;
goto put_child;
}
port = &priv->phys[id];
@ -182,7 +185,8 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
port->ssc_en = of_property_read_bool(child, "brcm,enable-ssc");
if (IS_ERR(port->phy)) {
dev_err(dev, "failed to create PHY\n");
return PTR_ERR(port->phy);
ret = PTR_ERR(port->phy);
goto put_child;
}
phy_set_drvdata(port->phy, port);
@ -198,6 +202,9 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
dev_info(dev, "registered %d port(s)\n", count);
return 0;
put_child:
of_node_put(child);
return ret;
}
static struct platform_driver brcm_sata_phy_driver = {

21
drivers/phy/phy-core.c
View File

@ -636,8 +636,9 @@ EXPORT_SYMBOL_GPL(devm_of_phy_get);
* @np: node containing the phy
* @index: index of the phy
*
* Gets the phy using _of_phy_get(), and associates a device with it using
* devres. On driver detach, release function is invoked on the devres data,
* Gets the phy using _of_phy_get(), then gets a refcount to it,
* and associates a device with it using devres. On driver detach,
* release function is invoked on the devres data,
* then, devres data is freed.
*
*/
@ -651,13 +652,21 @@ struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np,
return ERR_PTR(-ENOMEM);
phy = _of_phy_get(np, index);
if (!IS_ERR(phy)) {
*ptr = phy;
devres_add(dev, ptr);
} else {
if (IS_ERR(phy)) {
devres_free(ptr);
return phy;
}
if (!try_module_get(phy->ops->owner)) {
devres_free(ptr);
return ERR_PTR(-EPROBE_DEFER);
}
get_device(&phy->dev);
*ptr = phy;
devres_add(dev, ptr);
return phy;
}
EXPORT_SYMBOL_GPL(devm_of_phy_get_by_index);

16
drivers/phy/phy-miphy28lp.c
View File

@ -1226,15 +1226,18 @@ static int miphy28lp_probe(struct platform_device *pdev)
miphy_phy = devm_kzalloc(&pdev->dev, sizeof(*miphy_phy),
GFP_KERNEL);
if (!miphy_phy)
return -ENOMEM;
if (!miphy_phy) {
ret = -ENOMEM;
goto put_child;
}
miphy_dev->phys[port] = miphy_phy;
phy = devm_phy_create(&pdev->dev, child, &miphy28lp_ops);
if (IS_ERR(phy)) {
dev_err(&pdev->dev, "failed to create PHY\n");
return PTR_ERR(phy);
ret = PTR_ERR(phy);
goto put_child;
}
miphy_dev->phys[port]->phy = phy;
@ -1242,11 +1245,11 @@ static int miphy28lp_probe(struct platform_device *pdev)
ret = miphy28lp_of_probe(child, miphy_phy);
if (ret)
return ret;
goto put_child;
ret = miphy28lp_probe_resets(child, miphy_dev->phys[port]);
if (ret)
return ret;
goto put_child;
phy_set_drvdata(phy, miphy_dev->phys[port]);
port++;
@ -1255,6 +1258,9 @@ static int miphy28lp_probe(struct platform_device *pdev)
provider = devm_of_phy_provider_register(&pdev->dev, miphy28lp_xlate);
return PTR_ERR_OR_ZERO(provider);
put_child:
of_node_put(child);
return ret;
}
static const struct of_device_id miphy28lp_of_match[] = {

16
drivers/phy/phy-miphy365x.c
View File

@ -566,22 +566,25 @@ static int miphy365x_probe(struct platform_device *pdev)
miphy_phy = devm_kzalloc(&pdev->dev, sizeof(*miphy_phy),
GFP_KERNEL);
if (!miphy_phy)
return -ENOMEM;
if (!miphy_phy) {
ret = -ENOMEM;
goto put_child;
}
miphy_dev->phys[port] = miphy_phy;
phy = devm_phy_create(&pdev->dev, child, &miphy365x_ops);
if (IS_ERR(phy)) {
dev_err(&pdev->dev, "failed to create PHY\n");
return PTR_ERR(phy);
ret = PTR_ERR(phy);
goto put_child;
}
miphy_dev->phys[port]->phy = phy;
ret = miphy365x_of_probe(child, miphy_phy);
if (ret)
return ret;
goto put_child;
phy_set_drvdata(phy, miphy_dev->phys[port]);
@ -591,12 +594,15 @@ static int miphy365x_probe(struct platform_device *pdev)
&miphy_phy->ctrlreg);
if (ret) {
dev_err(&pdev->dev, "No sysconfig offset found\n");
return ret;
goto put_child;
}
}
provider = devm_of_phy_provider_register(&pdev->dev, miphy365x_xlate);
return PTR_ERR_OR_ZERO(provider);
put_child:
of_node_put(child);
return ret;
}
static const struct of_device_id miphy365x_of_match[] = {

20
drivers/phy/phy-mt65xx-usb3.c
View File

@ -415,7 +415,7 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev)
struct resource *sif_res;
struct mt65xx_u3phy *u3phy;
struct resource res;
int port;
int port, retval;
u3phy = devm_kzalloc(dev, sizeof(*u3phy), GFP_KERNEL);
if (!u3phy)
@ -447,31 +447,34 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev)
for_each_child_of_node(np, child_np) {
struct mt65xx_phy_instance *instance;
struct phy *phy;
int retval;
instance = devm_kzalloc(dev, sizeof(*instance), GFP_KERNEL);
if (!instance)
return -ENOMEM;
if (!instance) {
retval = -ENOMEM;
goto put_child;
}
u3phy->phys[port] = instance;
phy = devm_phy_create(dev, child_np, &mt65xx_u3phy_ops);
if (IS_ERR(phy)) {
dev_err(dev, "failed to create phy\n");
return PTR_ERR(phy);
retval = PTR_ERR(phy);
goto put_child;
}
retval = of_address_to_resource(child_np, 0, &res);
if (retval) {
dev_err(dev, "failed to get address resource(id-%d)\n",
port);
return retval;
goto put_child;
}
instance->port_base = devm_ioremap_resource(&phy->dev, &res);
if (IS_ERR(instance->port_base)) {
dev_err(dev, "failed to remap phy regs\n");
return PTR_ERR(instance->port_base);
retval = PTR_ERR(instance->port_base);
goto put_child;
}
instance->phy = phy;
@ -483,6 +486,9 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev)
provider = devm_of_phy_provider_register(dev, mt65xx_phy_xlate);
return PTR_ERR_OR_ZERO(provider);
put_child:
of_node_put(child_np);
return retval;
}
static const struct of_device_id mt65xx_u3phy_id_table[] = {

17
drivers/phy/phy-rockchip-usb.c
View File

@ -108,13 +108,16 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
for_each_available_child_of_node(dev->of_node, child) {
rk_phy = devm_kzalloc(dev, sizeof(*rk_phy), GFP_KERNEL);
if (!rk_phy)
return -ENOMEM;
if (!rk_phy) {
err = -ENOMEM;
goto put_child;
}
if (of_property_read_u32(child, "reg", &reg_offset)) {
dev_err(dev, "missing reg property in node %s\n",
child->name);
return -EINVAL;
err = -EINVAL;
goto put_child;
}
rk_phy->reg_offset = reg_offset;
@ -127,18 +130,22 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
rk_phy->phy = devm_phy_create(dev, child, &ops);
if (IS_ERR(rk_phy->phy)) {
dev_err(dev, "failed to create PHY\n");
return PTR_ERR(rk_phy->phy);
err = PTR_ERR(rk_phy->phy);
goto put_child;
}
phy_set_drvdata(rk_phy->phy, rk_phy);
/* only power up usb phy when it use, so disable it when init*/
err = rockchip_usb_phy_power(rk_phy, 1);
if (err)
return err;
goto put_child;
}
phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
return PTR_ERR_OR_ZERO(phy_provider);
put_child:
of_node_put(child);
return err;
}
static const struct of_device_id rockchip_usb_phy_dt_ids[] = {

22
drivers/usb/core/hub.c
View File

@ -1035,10 +1035,20 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
unsigned delay;
/* Continue a partial initialization */
if (type == HUB_INIT2)
goto init2;
if (type == HUB_INIT3)
if (type == HUB_INIT2 || type == HUB_INIT3) {
device_lock(hub->intfdev);
/* Was the hub disconnected while we were waiting? */
if (hub->disconnected) {
device_unlock(hub->intfdev);
kref_put(&hub->kref, hub_release);
return;
}
if (type == HUB_INIT2)
goto init2;
goto init3;
}
kref_get(&hub->kref);
/* The superspeed hub except for root hub has to use Hub Depth
* value as an offset into the route string to locate the bits
@ -1236,6 +1246,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
queue_delayed_work(system_power_efficient_wq,
&hub->init_work,
msecs_to_jiffies(delay));
device_unlock(hub->intfdev);
return; /* Continues at init3: below */
} else {
msleep(delay);
@ -1257,6 +1268,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
/* Allow autosuspend if it was suppressed */
if (type <= HUB_INIT3)
usb_autopm_put_interface_async(to_usb_interface(hub->intfdev));
if (type == HUB_INIT2 || type == HUB_INIT3)
device_unlock(hub->intfdev);
kref_put(&hub->kref, hub_release);
}
/* Implement the continuations for the delays above */

3
drivers/usb/serial/ipaq.c
View File

@ -531,7 +531,8 @@ static int ipaq_open(struct tty_struct *tty,
* through. Since this has a reasonably high failure rate, we retry
* several times.
*/
while (retries--) {
while (retries) {
retries--;
result = usb_control_msg(serial->dev,
usb_sndctrlpipe(serial->dev, 0), 0x22, 0x21,
0x1, 0, NULL, 0, 100);