- 05 2月, 2019 1 次提交
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由 Linus Walleij 提交于
All users of the fixed_phy_add() pass -1 as GPIO number to the fixed phy driver, and all users of fixed_phy_register() pass -1 as GPIO number as well, except for the device tree MDIO bus. Any new users should create a proper device and pass the GPIO as a descriptor associated with the device so delete the GPIO argument from the calls and drop the code looking requesting a GPIO in fixed_phy_add(). In fixed phy_register(), investigate the "fixed-link" node and pick the GPIO descriptor from "link-gpios" if this property exists. Move the corresponding code out of of_mdio.c as the fixed phy code anyways requires OF to be in use. Tested-by: NAndrew Lunn <andrew@lunn.ch> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 19 12月, 2018 1 次提交
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由 Jason Martinsen 提交于
Current state for the lan78xx driver does not allow for changing the MAC address of the interface, without either removing the module (if you compiled it that way) or rebooting the machine. If you attempt to change the MAC address, ifconfig will show the new address, however, the system/interface will not respond to any traffic using that configuration. A few short-term options to work around this are to unload the module and reload it with the new MAC address, change the interface to "promisc", or reboot with the correct configuration to change the MAC. This patch enables the ability to change the MAC address via fairly normal means... ifdown <interface> modify entry in /etc/network/interfaces OR a similar method ifup <interface> Then test via any network communication, such as ICMP requests to gateway. My only test platform for this patch has been a raspberry pi model 3b+. Signed-off-by: NJason Martinsen <jasonmartinsen@msn.com> ----- Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 12 11月, 2018 1 次提交
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由 Andrew Lunn 提交于
There are a few MAC/PHYs combinations which now support > 1Gbps. These may need to make use of link modes with bits > 31. Thus their supported PHY features or advertised features cannot be implemented using the current bitmap in a u32. Convert to using a linkmode bitmap, which can support all the currently devices link modes, and is future proof as more modes are added. Signed-off-by: NAndrew Lunn <andrew@lunn.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 30 9月, 2018 1 次提交
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由 Florian Fainelli 提交于
The driver supports a fair amount of Wake-on-LAN modes, but is not checking that the user specified one that is supported. Fixes: 55d7de9d ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver") Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Reviewed-by: NWoojung Huh <Woojung.Huh@Microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 22 9月, 2018 1 次提交
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由 Nathan Chancellor 提交于
Clang warns when a variable is assigned to itself. drivers/net/usb/lan78xx.c:940:11: warning: explicitly assigning value of variable of type 'u32' (aka 'unsigned int') to itself [-Wself-assign] offset = offset; ~~~~~~ ^ ~~~~~~ 1 warning generated. Reorder the if statement to acheive the same result and avoid a self assignment warning. Link: https://github.com/ClangBuiltLinux/linux/issues/129Signed-off-by: NNathan Chancellor <natechancellor@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 17 9月, 2018 1 次提交
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由 zhong jiang 提交于
of_node_put has taken the null pointer check into account. So it is safe to remove the duplicated check before of_node_put. Signed-off-by: Nzhong jiang <zhongjiang@huawei.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 13 9月, 2018 1 次提交
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由 Andrew Lunn 提交于
Some MAC hardware cannot support a subset of link modes. e.g. often 1Gbps Full duplex is supported, but Half duplex is not. Add a helper to remove such a link mode. Signed-off-by: NAndrew Lunn <andrew@lunn.ch> Reviewed-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 11 9月, 2018 1 次提交
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由 David S. Miller 提交于
Use skb_queue_walk() instead. Adjust inner loop test to utilize and skb_queue_is_first(). Unfortunately we have to keep pkt_cnt around because it is used by a latter loop in this function. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 06 9月, 2018 4 次提交
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由 Stefan Wahren 提交于
This patch makes some declaration more consistent. Signed-off-by: NStefan Wahren <stefan.wahren@i2se.com> Reviewed-by: NRaghuram Chary Jallipalli <raghuramchary.jallipalli@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Stefan Wahren 提交于
Adopt the SPDX license identifier headers to ease license compliance management. Signed-off-by: NStefan Wahren <stefan.wahren@i2se.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Stefan Wahren 提交于
There is no need for this strcpy because alloc_etherdev() already does this job. Signed-off-by: NStefan Wahren <stefan.wahren@i2se.com> Reviewed-by: NRaghuram Chary Jallipalli <raghuramchary.jallipalli@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Stefan Wahren 提交于
We need to bail out if lan78xx_get_endpoints() fails, otherwise the result is overwritten. Fixes: 55d7de9d ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet") Signed-off-by: NStefan Wahren <stefan.wahren@i2se.com> Reviewed-by: NRaghuram Chary Jallipalli <raghuramchary.jallipalli@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 05 8月, 2018 1 次提交
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由 zhong jiang 提交于
We use ARRAY_SIZE to replace open code sizeof(lan78xx_regs) / sizeof(u32). It make the code concise. Signed-off-by: Nzhong jiang <zhongjiang@huawei.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 29 7月, 2018 1 次提交
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由 Stefan Wahren 提交于
As long the bh tasklet isn't scheduled once, no packet from the rx path will be handled. Since the tx path also schedule the same tasklet this situation only persits until the first packet transmission. So fix this issue by scheduling the tasklet after link reset. Link: https://github.com/raspberrypi/linux/issues/2617 Fixes: 55d7de9d ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet") Suggested-by: NFloris Bos <bos@je-eigen-domein.nl> Signed-off-by: NStefan Wahren <stefan.wahren@i2se.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 17 7月, 2018 1 次提交
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由 Stefan Wahren 提交于
The skb size calculation in lan78xx_tx_bh is in race with the start_xmit, which could lead to rare kernel oopses. So protect the whole skb walk with a spin lock. As a benefit we can unlink the skb directly. This patch was tested on Raspberry Pi 3B+ Link: https://github.com/raspberrypi/linux/issues/2608 Fixes: 55d7de9d ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet") Cc: stable <stable@vger.kernel.org> Signed-off-by: NFloris Bos <bos@je-eigen-domein.nl> Signed-off-by: NStefan Wahren <stefan.wahren@i2se.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 26 6月, 2018 4 次提交
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由 Dave Stevenson 提交于
Observations of VLANs dropping packets due to invalid checksums when not offloading VLAN tag receive. With VLAN tag stripping enabled no issue is observed. Drop back to s/w checksums if VLAN offload is disabled. Signed-off-by: NDave Stevenson <dave.stevenson@raspberrypi.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dave Stevenson 提交于
The chip supports stripping the VLAN tag and reporting it in metadata. Complete the support for this. Signed-off-by: NDave Stevenson <dave.stevenson@raspberrypi.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dave Stevenson 提交于
HW_VLAN_CTAG_FILTER was partially implemented, but not advertised to Linux. Complete the implementation of this. Signed-off-by: NDave Stevenson <dave.stevenson@raspberrypi.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dave Stevenson 提交于
The frame abort timeout being set by lan78xx_set_rx_max_frame_length didn't account for any VLAN headers, resulting in very low throughput if used with tagged VLANs. Use VLAN_ETH_HLEN instead of ETH_HLEN to correct for this. Signed-off-by: NDave Stevenson <dave.stevenson@raspberrypi.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 23 6月, 2018 1 次提交
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由 Joe Perches 提交于
random_ether_addr is a #define for eth_random_addr which is generally preferred in kernel code by ~3:1 Convert the uses of random_ether_addr to enable removing the #define Miscellanea: o Convert &vfmac[0] to equivalent vfmac and avoid unnecessary line wrap Signed-off-by: NJoe Perches <joe@perches.com> Acked-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 17 5月, 2018 1 次提交
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由 Florian Fainelli 提交于
A number of drivers have the following pattern: if (np) of_mdiobus_register() else mdiobus_register() which the implementation of of_mdiobus_register() now takes care of. Remove that pattern in drivers that strictly adhere to it. Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Reviewed-by: NGrygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: NFugang Duan <fugang.duan@nxp.com> Reviewed-by: NAntoine Tenart <antoine.tenart@bootlin.com> Reviewed-by: NJose Abreu <joabreu@synopsys.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 30 4月, 2018 3 次提交
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由 Raghuram Chary J 提交于
Modify the error messages when phy registration fails. Signed-off-by: NRaghuram Chary J <raghuramchary.jallipalli@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Raghuram Chary J 提交于
Remove driver version info from the lan78xx driver. Signed-off-by: NRaghuram Chary J <raghuramchary.jallipalli@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Raghuram Chary J 提交于
Adding Fixed PHY support to the lan78xx driver. Signed-off-by: NRaghuram Chary J <raghuramchary.jallipalli@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 20 4月, 2018 3 次提交
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由 Raghuram Chary J 提交于
In order to dump lan78xx family registers using ethtool, add support at lan78xx driver level. Signed-off-by: NRaghuram Chary J <raghuramchary.jallipalli@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Phil Elwell 提交于
Add support for DT property "microchip,led-modes", a vector of zero to four cells (u32s) in the range 0-15, each of which sets the mode for one of the LEDs. Some possible values are: 0=link/activity 1=link1000/activity 2=link100/activity 3=link10/activity 4=link100/1000/activity 5=link10/1000/activity 6=link10/100/activity 14=off 15=on These values are given symbolic constants in a dt-bindings header. Also use the presence of the DT property to indicate that the LEDs should be enabled - necessary in the event that no valid OTP or EEPROM is available. Signed-off-by: NPhil Elwell <phil@raspberrypi.org> Reviewed-by: NAndrew Lunn <andrew@lunn.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Phil Elwell 提交于
There is a standard mechanism for locating and using a MAC address from the Device Tree. Use this facility in the lan78xx driver to support applications without programmed EEPROM or OTP. At the same time, regularise the handling of the different address sources. Signed-off-by: NPhil Elwell <phil@raspberrypi.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 12 4月, 2018 1 次提交
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由 Phil Elwell 提交于
Commit 92571a1a ("lan78xx: Connect phy early") moves the PHY initialisation into lan78xx_probe, but lan78xx_open subsequently calls lan78xx_reset. As well as forcing a second round of link negotiation, this reset frequently prevents the phy interrupt from being generated (even though the link is up), rendering the interface unusable. Fix this issue by removing the lan78xx_reset call from lan78xx_open. Fixes: 92571a1a ("lan78xx: Connect phy early") Signed-off-by: NPhil Elwell <phil@raspberrypi.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 11 4月, 2018 2 次提交
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由 Phil Elwell 提交于
lan78xx_defer_event generates an error message whenever the work item is already scheduled. lan78xx_open defers three events - EVENT_STAT_UPDATE, EVENT_DEV_OPEN and EVENT_LINK_RESET. Being aware of the likelihood (or certainty) of an error message, the DEV_OPEN event is added to the set of pending events directly, relying on the subsequent deferral of the EVENT_LINK_RESET call to schedule the work. Take the same precaution with EVENT_STAT_UPDATE to avoid a totally unnecessary error message. Signed-off-by: NPhil Elwell <phil@raspberrypi.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Phil Elwell 提交于
lan78xx_read_otp tries to return -EINVAL in the event of invalid OTP content, but the value gets overwritten before it is returned and the read goes ahead anyway. Make the read conditional as it should be and preserve the error code. Fixes: 55d7de9d ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver") Signed-off-by: NPhil Elwell <phil@raspberrypi.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 04 4月, 2018 1 次提交
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由 Alexander Graf 提交于
When using wicked with a lan78xx device attached to the system, we end up with ethtool commands issued on the device before an ifup got issued. That lead to the following crash: Unable to handle kernel NULL pointer dereference at virtual address 0000039c pgd = ffff800035b30000 [0000039c] *pgd=0000000000000000 Internal error: Oops: 96000004 [#1] SMP Modules linked in: [...] Supported: Yes CPU: 3 PID: 638 Comm: wickedd Tainted: G E 4.12.14-0-default #1 Hardware name: raspberrypi rpi/rpi, BIOS 2018.03-rc2 02/21/2018 task: ffff800035e74180 task.stack: ffff800036718000 PC is at phy_ethtool_ksettings_get+0x20/0x98 LR is at lan78xx_get_link_ksettings+0x44/0x60 [lan78xx] pc : [<ffff0000086f7f30>] lr : [<ffff000000dcca84>] pstate: 20000005 sp : ffff80003671bb20 x29: ffff80003671bb20 x28: ffff800035e74180 x27: ffff000008912000 x26: 000000000000001d x25: 0000000000000124 x24: ffff000008f74d00 x23: 0000004000114809 x22: 0000000000000000 x21: ffff80003671bbd0 x20: 0000000000000000 x19: ffff80003671bbd0 x18: 000000000000040d x17: 0000000000000001 x16: 0000000000000000 x15: 0000000000000000 x14: ffffffffffffffff x13: 0000000000000000 x12: 0000000000000020 x11: 0101010101010101 x10: fefefefefefefeff x9 : 7f7f7f7f7f7f7f7f x8 : fefefeff31677364 x7 : 0000000080808080 x6 : ffff80003671bc9c x5 : ffff80003671b9f8 x4 : ffff80002c296190 x3 : 0000000000000000 x2 : 0000000000000000 x1 : ffff80003671bbd0 x0 : ffff80003671bc00 Process wickedd (pid: 638, stack limit = 0xffff800036718000) Call trace: Exception stack(0xffff80003671b9e0 to 0xffff80003671bb20) b9e0: ffff80003671bc00 ffff80003671bbd0 0000000000000000 0000000000000000 ba00: ffff80002c296190 ffff80003671b9f8 ffff80003671bc9c 0000000080808080 ba20: fefefeff31677364 7f7f7f7f7f7f7f7f fefefefefefefeff 0101010101010101 ba40: 0000000000000020 0000000000000000 ffffffffffffffff 0000000000000000 ba60: 0000000000000000 0000000000000001 000000000000040d ffff80003671bbd0 ba80: 0000000000000000 ffff80003671bbd0 0000000000000000 0000004000114809 baa0: ffff000008f74d00 0000000000000124 000000000000001d ffff000008912000 bac0: ffff800035e74180 ffff80003671bb20 ffff000000dcca84 ffff80003671bb20 bae0: ffff0000086f7f30 0000000020000005 ffff80002c296000 ffff800035223900 bb00: 0000ffffffffffff 0000000000000000 ffff80003671bb20 ffff0000086f7f30 [<ffff0000086f7f30>] phy_ethtool_ksettings_get+0x20/0x98 [<ffff000000dcca84>] lan78xx_get_link_ksettings+0x44/0x60 [lan78xx] [<ffff0000087cbc40>] ethtool_get_settings+0x68/0x210 [<ffff0000087cc0d4>] dev_ethtool+0x214/0x2180 [<ffff0000087e5008>] dev_ioctl+0x400/0x630 [<ffff00000879dd00>] sock_do_ioctl+0x70/0x88 [<ffff00000879f5f8>] sock_ioctl+0x208/0x368 [<ffff0000082cde10>] do_vfs_ioctl+0xb0/0x848 [<ffff0000082ce634>] SyS_ioctl+0x8c/0xa8 Exception stack(0xffff80003671bec0 to 0xffff80003671c000) bec0: 0000000000000009 0000000000008946 0000fffff4e841d0 0000aa0032687465 bee0: 0000aaaafa2319d4 0000fffff4e841d4 0000000032687465 0000000032687465 bf00: 000000000000001d 7f7fff7f7f7f7f7f 72606b622e71ff4c 7f7f7f7f7f7f7f7f bf20: 0101010101010101 0000000000000020 ffffffffffffffff 0000ffff7f510c68 bf40: 0000ffff7f6a9d18 0000ffff7f44ce30 000000000000040d 0000ffff7f6f98f0 bf60: 0000fffff4e842c0 0000000000000001 0000aaaafa2c2e00 0000ffff7f6ab000 bf80: 0000fffff4e842c0 0000ffff7f62a000 0000aaaafa2b9f20 0000aaaafa2c2e00 bfa0: 0000fffff4e84818 0000fffff4e841a0 0000ffff7f5ad0cc 0000fffff4e841a0 bfc0: 0000ffff7f44ce3c 0000000080000000 0000000000000009 000000000000001d bfe0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 The culprit is quite simple: The driver tries to access the phy left and right, but only actually has a working reference to it when the device is up. The fix thus is quite simple too: Get a reference to the phy on probe already and keep it even when the device is going down. With this patch applied, I can successfully run wicked on my system and bring the interface up and down as many times as I want, without getting NULL pointer dereferences in between. Signed-off-by: NAlexander Graf <agraf@suse.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 29 3月, 2018 1 次提交
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由 Raghuram Chary J 提交于
Description: Crash was reported with syzkaller pointing to lan78xx_write_reg routine. Root-cause: Proper cleanup of workqueues and init/setup routines was not happening in failure conditions. Fix: Handled the error conditions by cleaning up the queues and init/setup routines. Fixes: 55d7de9d ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver") Reported-by: NAndrey Konovalov <andreyknvl@google.com> Signed-off-by: NRaghuram Chary J <raghuramchary.jallipalli@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 26 3月, 2018 1 次提交
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由 Raghuram Chary J 提交于
Description: EEE does not work with lan7800 when AutoSpeed is not set. (This can happen when EEPROM is not populated or configured incorrectly) Root-Cause: When EEE is enabled, the mac config register ASD is not set i.e. in default state, causing EEE fail. Fix: Set the register when eeprom is not present. Fixes: 55d7de9d ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver") Signed-off-by: NRaghuram Chary J <raghuramchary.jallipalli@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 02 2月, 2018 1 次提交
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由 Colin Ian King 提交于
Pointer phydev is initialized and this value is never read, phydev is immediately updated to a new value, hence this initialization is redundant and can be removed Cleans up clang warning: drivers/net/usb/lan78xx.c:2009:21: warning: Value stored to 'phydev' during its initialization is never read Signed-off-by: NColin Ian King <colin.king@canonical.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 17 1月, 2018 1 次提交
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由 Yuiko Oshino 提交于
Fix initialize the uninitialized tx_qlen to an appropriate value when USB Full Speed is used. Fixes: 55d7de9d ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver") Signed-off-by: NYuiko Oshino <yuiko.oshino@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 18 10月, 2017 1 次提交
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由 Kees Cook 提交于
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Woojung Huh <woojung.huh@microchip.com> Cc: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Ben Hutchings <ben@decadent.org.uk> Cc: Philippe Reynes <tremyfr@gmail.com> Cc: Jarod Wilson <jarod@redhat.com> Cc: Arvind Yadav <arvind.yadav.cs@gmail.com> Cc: "Bjørn Mork" <bjorn@mork.no> Cc: "Stefan Brüns" <stefan.bruens@rwth-aachen.de> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: linux-usb@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: NKees Cook <keescook@chromium.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 22 9月, 2017 3 次提交
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由 Nisar Sayed 提交于
Use default value of auto duplex and auto speed values loaded from EEPROM/OTP after reset. The LAN78xx allows platform configurations to be loaded from EEPROM/OTP. Ex: When external phy is connected, the MAC can be configured to have correct auto speed, auto duplex, auto polarity configured from the EEPROM/OTP. Fixes: 55d7de9d ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver") Signed-off-by: NNisar Sayed <Nisar.Sayed@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Nisar Sayed 提交于
Allow EEPROM write for less than MAX_EEPROM_SIZE Fixes: 55d7de9d ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver") Signed-off-by: NNisar Sayed <Nisar.Sayed@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Nisar Sayed 提交于
Fix for eeprom read/write when device auto suspend Fixes: 55d7de9d ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver") Signed-off-by: NNisar Sayed <Nisar.Sayed@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 03 8月, 2017 1 次提交
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由 Nisar Sayed 提交于
Fix to handle hard_header_len update When ifconfig up/down sequence is initiated hard_header_len get updated incrementally for each ifconfig up /down sequence, this leads invalid hard_header_len, moving to lan78xx_bind to have one time update of hard_header_len addresses the issue. Signed-off-by: NNisar Sayed <Nisar.Sayed@microchip.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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