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2014-01-09staging: xillybus: Open Firmware driver supporting coherent DMAEli Billauer1-1/+20
If the "dma-coherent" property is present in the device tree, the driver will not perform cache invalidations. This feature significantly improves data throughput and reduces CPU load. Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-09staging: xillybus: Changed Open Firmware "compatible" propertyEli Billauer1-1/+2
The previous "compatible" string was poorly chosen, but remains in the match list to support existing DTBs. There is no risk for a naming clash. Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-17staging: xillybus: Return -EIO if *_iomap fails, instead of 0Eli Billauer1-1/+1
This patch replicates the correction made by Wei Yongjun on a second occurrence of the same bug. The first correction was in commit 8eec4555511bfa1f8a2e0a2de45c988fd30c3efb. Bug fixed: The error code was not set, so the error condition wasn't reflected in the return value. Reported-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-17staging: xillybus: fix error return code in xilly_probe()Wei Yongjun1-1/+1
Fix to return negative error code -EIO from the error handling case instead of 0. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Reviewed-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-10staging: xillybus: Removed force to be a moduleEli Billauer1-1/+1
The driver was forced to "module only" following a previous failure to build into the kernel. The problem was resolved several months ago. This has been successfully tested with "make allyesconfig" on x86_64. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-02staging: remove DEFINE_PCI_DEVICE_TABLE macroJingoo Han1-1/+1
Don't use DEFINE_PCI_DEVICE_TABLE macro, because this macro is not preferred. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-19staging: xillybus: Use dev_* functions instead of pr_* in xillybus_coreEli Billauer1-46/+69
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-19staging: xillybus: Use dev_* functions instead of pr_* in xillybus_ofEli Billauer1-6/+8
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-19staging: xillybus: Use dev_* functions instead of pr_* in xillybus_pcieEli Billauer1-13/+12
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-19staging: xillybus: Remember device pointer for use with dev_* functionsEli Billauer1-1/+1
This is necessary so that xillybus_core uses the correct device pointer for PCIe devices in diagnostic message calls (dev_err, dev_warn and dev_info) Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-11staging: xillybus: Use module_platform_driverSachin Kamat1-12/+1
module_platform_driver simplifies the code by removing the boilerplate. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-06Staging: xillybus: quoted strings split across linesEbru Akagunduz1-59/+25
Fix checkpatch.pl issues with quoted strings split across lines in xillybus_core.c Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-05staging: xillybus: remove redundant Kconfig dependencyBaruch Siach1-2/+2
XILLYBUS_PCIE and XILLYBUS_OF are inside 'if XILLYBUS' already, so there is not need to depend on XILLYBUS. Cc: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-09-17staging: xillybus: fix format string usageKees Cook1-1/+1
Makes sure format string cannot leak into device_create() call. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-08-22staging: xillybus: Remove duplicate inclusion of list.hSachin Kamat1-1/+0
list.h header file was included twice. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-08-19staging: xillybus: Fix typo in commentMasanari Iida1-3/+3
Correct spelling typo in comments. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-31staging: xillybus: Fixed sparse errorsEli Billauer4-23/+23
Changes: * xillybus.h: __iomem added to struct xilly_endpoint -> registers to suppress "different address spaces" errors. * xillybus_core.c: __user added as required for the same reason. * The two member names of struct xilly_endpoint_hardware of the form sync_single_for_{cpu,device} were changed to something that won't look like the well-known functions. * All *.c files: Variables and functions made static as required. Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-31staging: xillybus: Removed dependency on OF_DEVICE in KconfigEli Billauer1-2/+2
This variable was removed from the kernel a while ago. Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-29staging: xillybus: remove duplicated include from xillybus_core.cWei Yongjun1-2/+0
Remove duplicated include. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-26staging: xillybus: Multiple definition of xillyname resolved (bug fix)Eli Billauer4-2/+6
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-26staging: xillybus: force to be a moduleGreg Kroah-Hartman1-4/+1
As reported, this driver causes problems when built into the kernel, so force it to be a module until those issues are fixed. Also delete the "default n" lines in the Kconfig, as they are not needed. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-25staging: New driver: Xillybus generic interface for FPGAEli Billauer8-0/+3450
This is the driver for Xillybus, which is a general-purpose interface for data communication with FPGAs (programmable logic). Please refer to the README included in this patch for a detailed explanation. It was previously submitted for misc-devices, but it appears like noone's willing to review the code (which I can understand, given its magnitude). Hence submitted as a staging driver. Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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