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path: root/drivers/net/ethernet/renesas
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* sh_eth: Use the platform device for memory allocationLaurent Pinchart2014-03-20
| | | | | | | | | | | | | | | | Memory allocated for the MDIO bus with the devm_kzalloc() API is associated with the network device. While this will cause memory to be freed at the right time, it doesn't allow allocating memory before the network device is initialized. Replace the network device with the parent platform device for memory allocation to remove that dependency. This also improves consistency with the other devm_* calls in the driver that all use the platform device. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: fold netif_msg_*() and netdev_*() calls into netif_*() invocationsSergei Shtylyov2014-03-17
| | | | | | | | | Now that we call netdev_*() under netif_msg_*() checks, we can fold these into netif_*() macro invocations. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: convert dev_*() to netdev_*() callsSergei Shtylyov2014-03-17
| | | | | | | | | Convert dev_*(&ndev->dev, ...) to netdev_*(ndev, ...) calls since they are a bit shorter and at the same time give more information on a device. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: convert pr_*() to netdev_*() callsSergei Shtylyov2014-03-17
| | | | | | | | Convert pr_*() to netdev_*() calls as the latter provide info on a device. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: exit probe with unknown register layoutSergei Shtylyov2014-03-17
| | | | | | | | | | | | Exit the driver's probe() method when the register layout is unknown as the driver would cause kernel oops in this case anyway. While at it, move the corresponding error message printout and convert it from pr_err() to dev_err(). Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: update OF PHY registerationBen Dooks2014-03-13
| | | | | | | | | | | | | | If the sh_eth device is registered using OF, then the driver should call of_mdiobus_register() to register the PHYs described in the devicetree and then use of_phy_connect() to connect the PHYs to the device. This ensures that any PHYs registered in the device tree are appropriately connected to the parent devices nodes so that the PHY drivers can access their OF properties. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: add device tree supportSergei Shtylyov2014-02-18
| | | | | | | | | | | Add support of the device tree probing for the Renesas SH-Mobile SoCs documenting the device tree binding as necessary. This work is loosely based on the original patch by Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: use ETH_ZLEN instead of home-grown #defineSergei Shtylyov2014-02-13
| | | | | | | | | The driver #define's and uses ETHERSMALL macro for the minimum Ethernet frame size for which we have a standard macro ETH_ZLEN. Use the latter instead of the home-grown one. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: Add support for r7s72100Simon Horman2014-01-17
| | | | | | | | The r7s72100 SoC includes a fast ethernet controller. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: Use bool as return type of sh_eth_is_gether()Simon Horman2014-01-17
| | | | | | | | Return a boolean from sh_eth_is_gether() and refactor it as a one-liner. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* drivers/net: delete non-required instances of include <linux/init.h>Paul Gortmaker2014-01-16
| | | | | | | | | | | | | None of these files are actually using any __init type directives and hence don't need to include <linux/init.h>. Most are just a left over from __devinit and __cpuinit removal, or simply due to code getting copied from one driver to the next. This covers everything under drivers/net except for wireless, which has been submitted separately. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: fix garbled TX error messageSergei Shtylyov2014-01-14
| | | | | | | | | | | | | sh_eth_error() in case of a TX error tries to print a message using 2 dev_err() calls with the first string not finished by '\n', so that the resulting message would inevitably come out garbled, with something like "3net eth0: " inserted in the middle. Avoid that by merging 2 calls into one. While at it, insert an empty line after the nearby declaration. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: coding style fixesSergei Shtylyov2014-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Running 'scripts/checkpatch.pl' on the driver files gives numerous warnings: - block comments using empty /* line; - unneeded \ at end of lines; - message string split across lines; - use of __attribute__((aligned(n))) instead of __aligned(n) macro; - use of __attribute__((packed)) instead of __packed macro. Additionally, running 'scripts/checkpatch.pl --strict' gives more complaints: - including the paragraph about writing to FSF into the heading comment; - alignment not matching open paren; - multiple assignments on one line; - use of CamelCase names; - missing {} on one of the *if* arms where another has them; - spinlock definition without a comment. While fixing these, also do some more style cleanups: - remove useless () around expressions; - add {} around multi-line *if* operator's arm; - remove space before comma; - add spaces after /* and before */; - properly align continuation lines of broken up expressions; - realign comments to the structure fields. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: renesas: slight optimization of addr comparedingtianhong2013-12-31
| | | | | | | | | Use possibly more efficient ether_addr_equal to instead of memcmp. Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: do not reset PHY needlesslySergei Shtylyov2013-12-19
| | | | | | | | | | | There's no need anymore to call phy_init_hw() to reset/resume the PHY from the driver, as the call chain in phylib already has reached it, and so reset/resumed the PHY (even resuming it twice). This duplicate reset is not only needless, it e.g. clears the PHY's interrupt enables just setup by phylib and so prevents the expected IRQs from the PHY. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: add PHY IRQ to platform dataSergei Shtylyov2013-12-19
| | | | | | | | Allow the platform code to pass PHY's IRQ to the driver. Print this IRQ along with the other PHY datails in sh_eth_phy_init(). Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: add R8A7791 supportSergei Shtylyov2013-12-10
| | | | | | | | | | | | Add support for yet another ARM member of the R-Car family, R-Car M2, also known as R8A7791 -- it will share the code and data with previously added R8A7790. Despite the Ether devices in these SoCs are indistinguishable at least from the driver's point of view, we do introduce a new platform device ID "r8a7791-ether" unlike the wildcard ID used for R8A7778/9 SoCs, due to newly established policy for the Renesas SoCs. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: sh_eth: do not issue a wild PHY reset through BMCRFlorian Fainelli2013-12-09
| | | | | | | | | | The sh_eth driver issues an uncontrolled PHY reset through the MII register BMCR but fails to wait for the reset to complete, and will also implicitely wipe out all possible PHY fixups applied. Use phy_init_hw() which remedies both problems. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: check platform data pointerSergei Shtylyov2013-11-04
| | | | | | | | | | | | Check the platform data pointer before dereferencing it and error out of the probe() method if it's NULL. This has additional effect of preventing kernel oops with outdated platform data containing zero PHY address instead (such as on SolutionEngine7710). Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Acked-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: add/use RMCR.RNC bitSergei Shtylyov2013-10-23
| | | | | | | | | | Declare 'enum RMCR_BIT' containing the single member for the RMCR.RNC bit and replace bare numbers in the driver by this mnemonic. Suggested-by: David Miller <davem@davemloft.net> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2013-10-23
|\ | | | | | | | | | | | | | | | | | | Conflicts: drivers/net/usb/qmi_wwan.c include/net/dst.h Trivial merge conflicts, both were overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: sh_eth: Correct fix for RX packet errors on R8A7740Simon Horman2013-10-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nguyen Hong Ky posted a patch to correct RX packet errors on R8A7740 which was applied as 2c6221e4a5aab417 ("net: sh_eth: Fix RX packets errors on R8A7740"). Unfortunately sh_eth.c contains many similar instances of struct sh_eth_cpu_data and the patch was miss-applied, updating sh7734_data instead of r8a7740_data. This patch corrects this problem by. 1. Reverting the change to sh7734_data and; 2. Applying the change to r8a7740_data. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2013-10-08
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: include/linux/netdevice.h net/core/sock.c Trivial merge issues. Removal of "extern" for functions declaration in netdevice.h at the same time "const" was added to an argument. Two parallel line additions in net/core/sock.c Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: sh_eth: Fix RX packets errors on R8A7740Nguyen Hong Ky2013-10-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch will fix RX packets errors when receiving big size of data by set bit RNC = 1. RNC - Receive Enable Control 0: Upon completion of reception of one frame, the E-DMAC writes the receive status to the descriptor and clears the RR bit in EDRRR to 0. 1: Upon completion of reception of one frame, the E-DMAC writes (writes back) the receive status to the descriptor. In addition, the E-DMAC reads the next descriptor and prepares for reception of the next frame. In addition, for get more stable when receiving packets, I set maximum size for the transmit/receive FIFO and inserts padding in receive data. Signed-off-by: Nguyen Hong Ky <nh-ky@jinso.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net:drivers/net: Miscellaneous conversions to ETH_ALENJoe Perches2013-10-02
|/ | | | | | | | | | | | Convert the memset/memcpy uses of 6 to ETH_ALEN where appropriate. Also convert some struct definitions and u8 array declarations of [6] to ETH_ALEN. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2013-09-05
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c net/bridge/br_multicast.c net/ipv6/sit.c The conflicts were minor: 1) sit.c changes overlap with change to ip_tunnel_xmit() signature. 2) br_multicast.c had an overlap between computing max_delay using msecs_to_jiffies and turning MLDV2_MRC() into an inline function with a name using lowercase instead of uppercase letters. 3) stmmac had two overlapping changes, one which conditionally allocated and hooked up a dma_cfg based upon the presence of the pbl OF property, and another one handling store-and-forward DMA made. The latter of which should not go into the new of_find_property() basic block. Signed-off-by: David S. Miller <davem@davemloft.net>
| * sh_eth: fix napi_{en|dis}able() calls racing against interruptsSergei Shtylyov2013-09-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While implementing NAPI for the driver, I overlooked the race conditions where interrupt handler might have called napi_schedule_prep() before napi_enable() was called or after napi_disable() was called. If RX interrupt happens, this would cause the endless interrupts and messages like: sh-eth eth0: ignoring interrupt, status 0x00040000, mask 0x01ff009f. The interrupt wouldn't even be masked by the kernel eventually since the handler would return IRQ_HANDLED all the time. As a fix, move napi_enable() call before request_irq() call and napi_disable() call after free_irq() call. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sh_eth: NAPI requires netif_receive_skb()Sergei Shtylyov2013-09-04
| | | | | | | | | | | | | | | | Driver supporting NAPI should use NAPI-specific function for receiving packets, so netif_rx() should be changed to netif_receive_skb(). Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: Enable Rx descriptor word 0 shift for r8a7790Kouei Abe2013-09-03
| | | | | | | | | | | | | | | | This corrects an oversight when r8a7790 support was added to sh_eth. Signed-off-by: Kouei Abe <kouei.abe.cp@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: Fix cache invalidation omission of receive bufferKouei Abe2013-09-03
| | | | | | | | | | | | Signed-off-by: Kouei Abe <kouei.abe.cp@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: sh_eth: use dev_get_platdata()Jingoo Han2013-08-30
| | | | | | | | | | | | | | | | | | Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: no need to call ether_setup()Sergei Shtylyov2013-08-29
| | | | | | | | | | | | | | | | | | There's no need to call ether_setup() in the driver since prior alloc_etherdev() call already arranges for it. Suggested-by: Denis Kirjanov <kda@linux-powerpc.org> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: remove 'register_type' field from 'struct sh_eth_plat_data'Sergei Shtylyov2013-08-20
| | | | | | | | | | | | | | | | | | | | | | Now that the 'register_type' field of the 'sh_eth' driver's platform data is not used by the driver anymore, it's time to remove it and its initializers from the SH platform code. Also move *enum* declaring values for this field from <linux/sh_eth.h> to the local driver's header file as they're only needed by the driver itself now... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: get register layout from 'struct sh_eth_cpu_data'Sergei Shtylyov2013-08-20
| | | | | | | | | | | | | | | | | | | | The register layout is a SoC characteristic, so it's wrong that it's stored in the otherwise board specific platform data. Add 'register_type' field to 'struct sh_eth_cpu_data', initialize it properly for each SoC, and read it from this structure instead of the platfrom data from now on... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: r8a7790: Handle the RFE (Receive FIFO overflow Error) interruptLaurent Pinchart2013-07-31
| | | | | | | | | | | | | | | | | | | | | | | | | | The RFE interrupt is enabled for the r8a7790 but isn't handled, resulting in the interrupts core noticing unhandled interrupts, and eventually disabling the ethernet IRQ. Fix it by adding RFE to the bitmask of error interrupts to be handled for r8a7790. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: Add support for r8a7790 SoCSimon Horman2013-07-24
| | | | | | | | | | | | | | | | | | | | This is a copy of support for r8a7778/9 with the .rmiimode mode bit of struct sh_eth_cpu_data set. Also update R8A7779 to R8A777x. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: add support for RMIIMODE registerSimon Horman2013-07-24
|/ | | | | | | This register is prsent on the r8a7790 SoC. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: SH_ETH should depend on HAS_DMAGeert Uytterhoeven2013-07-10
| | | | | | | | | | | | | | | | | | | | | | If NO_DMA=y: drivers/built-in.o: In function `sh_eth_free_dma_buffer': drivers/net/ethernet/renesas/sh_eth.c:1103: undefined reference to `dma_free_coherent' drivers/net/ethernet/renesas/sh_eth.c:1110: undefined reference to `dma_free_coherent' drivers/built-in.o: In function `sh_eth_ring_init': drivers/net/ethernet/renesas/sh_eth.c:1065: undefined reference to `dma_alloc_coherent' drivers/net/ethernet/renesas/sh_eth.c:1086: undefined reference to `dma_free_coherent' drivers/built-in.o: In function `sh_eth_ring_format': drivers/net/ethernet/renesas/sh_eth.c:988: undefined reference to `dma_map_single' drivers/built-in.o: In function `sh_eth_txfree': drivers/net/ethernet/renesas/sh_eth.c:1220: undefined reference to `dma_unmap_single' drivers/built-in.o: In function `sh_eth_rx': drivers/net/ethernet/renesas/sh_eth.c:1323: undefined reference to `dma_map_single' drivers/built-in.o: In function `sh_eth_start_xmit': drivers/net/ethernet/renesas/sh_eth.c:1954: undefined reference to `dma_map_single' Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2013-07-03
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/net/ethernet/freescale/fec_main.c drivers/net/ethernet/renesas/sh_eth.c net/ipv4/gre.c The GRE conflict is between a bug fix (kfree_skb --> kfree_skb_list) and the splitting of the gre.c code into seperate files. The FEC conflict was two sets of changes adding ethtool support code in an "!CONFIG_M5272" CPP protected block. Finally the sh_eth.c conflict was between one commit add bits set in the .eesr_err_check mask whilst another commit removed the .tx_error_check member and assignments. Signed-off-by: David S. Miller <davem@davemloft.net>
| * sh_eth: fix misreporting of transmit abortSergei Shtylyov2013-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | Due to obviously missing braces, EESR.TABT (transmit abort) interrupt may be reported even if it hasn't happened, just when EESR.TWB (transmit descriptor write-back) interrupt happens. Luckily (?), EESR.TWB is disabled by the driver via the TRIMD register and all the interrupt masks, so that transmit abort is never actually logged... Put the braces where they should be and fix the incoherent comment, while at it. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sh_eth: fix unhandled RFE interruptSergei Shtylyov2013-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | EESR.RFE (receive FIFO overflow) interrupt is enabled by the driver on all SoCs and sh_eth_error() handles it but it's not present in any initializer/assignment of the 'eesr_err_check' field of 'struct sh_eth_cpu_data'. This leads to that interrupt not being handled and cleared, and finally to disabling IRQ and the driver being non-functional. Modify DEFAULT_EESR_ERR_CHECK macro and all explicit initializers of the above mentioned field to contain the EESR.RFE bit. Remove useless backslashes from the initializers, while at it. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: Move MII out from under NET_CORE and hide itBen Hutchings2013-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | All drivers that select MII also need to select NET_CORE because MII depends on it. This is a bit ridiculous because NET_CORE is just a menu option that doesn't enable any code by itself. There is also no need for it to be a visible option, since its users all select it. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: get R8A7740 Rx descriptor word 0 shift out of #ifdefSergei Shtylyov2013-06-19
| | | | | | | | | | | | | | | | | | | | The only R8A7740 specific #ifdef hindering ARM multiplatform build is left in sh_eth_rx(): it covers the code shifting Rx buffer descriptor word 0 by 16. Get rid of the #ifdef by adding 'shift_rd0' field to the 'struct sh_eth_cpu_data', making the shift dependent on it, and setting it to 1 for the R8A7740 case... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: cleanup 'enum TD_STS_BIT'Sergei Shtylyov2013-06-19
| | | | | | | | | | | | | | | | Fix the comment to 'enum TD_STS_BIT', reformat the values, and add a couple of values missing before (though unused by the driver). Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: remove redundant bits from 'eesipr_value' field initializerSergei Shtylyov2013-06-19
| | | | | | | | | | | | | | | | For SH7724 'eesipr_value' field initializer includes DMAC_M_RFRMER & DMAC_M_ECI bits which are already contained in 0x01ff009f -- remove them. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: remove 'tx_error_check' field of 'struct sh_eth_cpu_data'Sergei Shtylyov2013-06-19
| | | | | | | | | | | | | | | | The 'tx_error_check' field of 'struct sh_eth_cpu_data' is write-only, so remove it along with the DEFAULT_TX_ERROR_CHECK macro. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: add NAPI supportSergei Shtylyov2013-06-19
| | | | | | | | | | | | | | | | | | The driver hasn't used NAPI so far; implement its support at last... The patch was tested on Renesas R8A77781 BOCK-W board. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sh_eth: define/use EESR_RX_CHECK macroSergei Shtylyov2013-06-19
| | | | | | | | | | | | | | | | sh_eth_interrupt() uses the same Rx interrupt mask twice to check the interrupt status register -- #define EESR_RX_CHECK and use it instead. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2013-06-19
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/net/wireless/ath/ath9k/Kconfig drivers/net/xen-netback/netback.c net/batman-adv/bat_iv_ogm.c net/wireless/nl80211.c The ath9k Kconfig conflict was a change of a Kconfig option name right next to the deletion of another option. The xen-netback conflict was overlapping changes involving the handling of the notify list in xen_netbk_rx_action(). Batman conflict resolution provided by Antonio Quartulli, basically keep everything in both conflict hunks. The nl80211 conflict is a little more involved. In 'net' we added a dynamic memory allocation to nl80211_dump_wiphy() to fix a race that Linus reported. Meanwhile in 'net-next' the handlers were converted to use pre and post doit handlers which use a flag to determine whether to hold the RTNL mutex around the operation. However, the dump handlers to not use this logic. Instead they have to explicitly do the locking. There were apparent bugs in the conversion of nl80211_dump_wiphy() in that we were not dropping the RTNL mutex in all the return paths, and it seems we very much should be doing so. So I fixed that whilst handling the overlapping changes. To simplify the initial returns, I take the RTNL mutex after we try to allocate 'tb'. Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: sh_eth: fix incorrect RX length error if R8A7740Yoshihiro Shimoda2013-06-13
| | | | | | | | | | | | | | | | | | This patch fixes an issue that the driver increments the "RX length error" on every buffer in sh_eth_rx() if the R8A7740. This patch also adds a description about the Receive Frame Status bits. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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