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2019-11-03drivers: mcb: use symbol namespacesJohannes Thumshirn1-1/+1
Now that we have symbol namespaces, use them in MCB to not pollute the default namespace with MCB internals. Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Jessica Yu <jeyu@kernel.org> Reviewed-by: Michael Moese <mmoese@suse.de> Link: https://lore.kernel.org/r/20191016100158.1400-1-jthumshirn@suse.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21treewide: Add SPDX license identifier for missed filesThomas Gleixner1-0/+1
Add SPDX license identifiers to all files which: - Have no license information of any form - Have EXPORT_.*_SYMBOL_GPL inside which was used in the initial scan/conversion to ignore the file These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-31mcb: Fix an error handling path in 'chameleon_parse_cells()'Christophe JAILLET1-2/+4
If 'chameleon_get_bar()' fails, we will return 0, which mean success. We should return the corresponding error code instead. Remove the useless initialisation of 'ret' which was hiding the issue. (if 'ret' is not set, gcc generates a warning ("warning: ‘ret’ may be used uninitialized in this function")) Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-11-15mcb: fix compiler warning logical-op in mcb-parse.cMichael Moese1-1/+1
The expression was clearly wrong, the logical AND of expressions must be changed to a logical OR. Reported-by: David Binderman <dcb314@hotmail.com> Signed-off-by: Michael Moese <michael.moese@men.de> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-08-31mcb: Added bar descriptor support for non PCI bus MCB carrierAndreas Werner1-14/+112
Added support for the bar descriptor. This type is used for FPGAs connect to the LPC or to a non PCI bus. The Bar descriptor could have a maximum of 6 BARs. Each of the devices within the FPGA could be mapped to a different BAR. The BAR descriptor is comparable to the PCI header. Signed-off-by: Andreas Werner <andreas.werner@men.de> [ free bar descriptor in the non-error case ] Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-03mcb: Fixed bar number assignment for the gddAndreas Werner1-1/+1
The bar number is found in reg2 within the gdd. Therefore we need to change the assigment from reg1 to reg2 which is the correct location. Signed-off-by: Andreas Werner <andreas.werner@men.de> Fixes: '3764e82e5' drivers: Introduce MEN Chameleon Bus Cc: stable@vger.kernel.org # v3.15+ Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-03mcb: export bus information via sysfsJohannes Thumshirn1-10/+5
Export information about the bus stored in the FPGA's header to userspace via sysfs, instead of hiding it in pr_debug()s from everyone. Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Andreas Werner <andreas.werner@men.de> Tested-by: Andreas Werner <andreas.werner@men.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-04-16drivers: mcb: fix memory leak in chameleon_parse_cells() error pathChristoph Jaeger1-0/+1
chameleon_parse_cells() bails out if chameleon descriptor type is invalid but does not free the storage 'header' points to. Signed-off-by: Christoph Jaeger <christophjaeger@linux.com> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28drivers: Introduce MEN Chameleon BusJohannes Thumshirn1-0/+159
The MCB (MEN Chameleon Bus) is a Bus specific to MEN Mikroelektronik FPGA based devices. It is used to identify MCB based IP-Cores within an FPGA and provide the necessary framework for instantiating drivers for these devices. Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>