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* xilinx_hwicap: remove improper wording in license statementGreg Kroah-Hartman2008-12-176-18/+0
| | | | | | | | | | GPLv2 doesn't allow additional restrictions to be imposed on any code, so this wording needs to be removed from these files. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* powerpc/virtex: fix various format/casting printk mismatchesGrant Likely2008-11-141-4/+5
| | | | | | | | | Various printk format string in code used by the Xilinx Virtex platform are not 32-bit/64-bit safe. Add correct casting to fix the bugs. Reported-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* device create: char: convert device_create_drvdata to device_createGreg Kroah-Hartman2008-10-161-2/+1
| | | | | | | | Now that device_create() has been audited, rename things back to the original call to be sane. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* removed unused #include <linux/version.h>'sAdrian Bunk2008-08-233-3/+0
| | | | | | | | This patch lets the files using linux/version.h match the files that #include it. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* removed unused #include <version.h>Huang Weiyi2008-08-161-1/+0
| | | | | | | | | | | | The drivers below do not use LINUX_VERSION_CODE nor KERNEL_VERSION. drivers/char/pcmcia/ipwireless/tty.c drivers/char/synclink_gt.c drivers/char/xilinx_hwicap/xilinx_hwicap.c This patch removes the said #include <version.h>. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* char/xilinx_hwicap/xilinx_hwicap.c: Removed duplicated includeHuang Weiyi2008-07-251-1/+0
| | | | | | | | Removed duplicated include file <linux/version.h> in char/xilinx_hwicap/xilinx_hwicap.c. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* device create: char: convert device_create to device_create_drvdataGreg Kroah-Hartman2008-07-211-2/+3
| | | | | | | | device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* xilinx icap: BKL pushdownJonathan Corbet2008-06-201-1/+5
| | | | | | | Add explicit lock_kernel() calls to hwicap_open() even though the existing locking looks adequate. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* [POWERPC] Xilinx: Fix compile warningsKumar Gala2008-05-011-3/+3
| | | | | | | | | | arch/powerpc/sysdev/xilinx_intc.c: In function 'xilinx_intc_init': arch/powerpc/sysdev/xilinx_intc.c:111: warning: format '%08X' expects type 'unsigned int', but argument 2 has type 'resource_size_t' drivers/char/xilinx_hwicap/xilinx_hwicap.c: In function 'hwicap_setup': drivers/char/xilinx_hwicap/xilinx_hwicap.c:626: warning: cast to pointer from integer of different size drivers/char/xilinx_hwicap/xilinx_hwicap.c:646: warning: format '%x' expects type 'unsigned int', but argument 6 has type 'resource_size_t' Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* [POWERPC] char/xilinx_hwicap/ section fixAdrian Bunk2008-04-241-1/+1
| | | | | | | | | | | | | | | | | | This patch fixes the following build error: <-- snip --> ... CC [M] drivers/char/xilinx_hwicap/xilinx_hwicap.o ... /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/char/xilinx_hwicap/xilinx_hwicap.c:806: error: hwicap_of_match causes a section type conflict /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/char/xilinx_hwicap/xilinx_hwicap.c:806: error: hwicap_of_match causes a section type conflict make[4]: *** [drivers/char/xilinx_hwicap/xilinx_hwicap.o] Error 1 <-- snip --> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Xilinx: hwicap: Use fixed device major.Stephen Neuendorffer2008-03-261-29/+14
| | | | | | | | | | Major 259 has been assigned by lanana. Use it. Also, publish /dev/icap[0-k] as the device entries, and register platform devices named 'icap' to be consistent. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] Xilinx: hwicap: Verify sync before reading idcode.Stephen Neuendorffer2008-03-261-0/+18
| | | | | | | | | | | | | | | It appears that in some cases, the sync word might not be recognized by the hardware correctly. If this happens, then attempting to read from the port results in an unrecoverable error because of the design of the FPGA core. This patch updates the code to check the status of the device before reading the IDCODE, in order to avoid entering this unrecoverable state. This patch also adds additional NOOP commands into the sychronization sequence, which appears to be necessary to avoid the condition on some hardware. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] Xilinx: hwicap: Refactor status handling code.Stephen Neuendorffer2008-03-266-27/+58
| | | | | | | | | | | | Both the buffer-based and fifo-based icap cores have a status register. Previously, this was only used internally to check whether transactions have completed. However, the status can be useful to the main driver as well. This patch exposes these status functions to the main driver along with some masks for the differnet bits. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] Xilinx: hwicap cleanupStephen Neuendorffer2008-02-284-158/+144
| | | | | | | | | | | This fixes various items pointed out during a review of the hwicap driver. Primarily, reversed memcpy calls, re-entrancy issues, and mutex conversion have been addressed. There are also fixes to comments to use the kerneldoc format, as well as some sparse annotations. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] Xilinx: hwicap driverStephen Neuendorffer2008-02-067-0/+1984
This includes code for new fifo-based xps_hwicap in addition to the older opb_hwicap, which has a significantly different interface. The common code between the two drivers is largely shared. Significant differences exists between this driver and what is supported in the EDK drivers. In particular, most of the architecture-specific code for reconfiguring individual FPGA resources has been removed. This functionality is likely better provided in a user-space support library. In addition, read and write access is supported. In addition, although the xps_hwicap cores support interrupt-driver mode, this driver only supports polled operation, in order to make the code simpler, and since the interrupt processing overhead is likely to slow down the throughput under Linux. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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