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* vme: switch from 'pci_' to 'dma_' APIChristophe JAILLET2020-12-091-6/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The wrappers in include/linux/pci-dma-compat.h should go away. The patch has been generated with the coccinelle script below and has been hand modified to replace GFP_ with a correct flag. It has been compile tested. When memory is allocated in 'ca91cx42_alloc_consistent()' and 'tsi148_alloc_consistent()' GFP_KERNEL can be used because both functions are called only from 'vme_alloc_consistent()' (vme.c). This function is only called from the 'vme_user_probe()' probe function and no lock is taken in the between. When memory is allocated in 'ca91cx42_crcsr_init()' and 'tsi148_crcsr_init()' GFP_KERNEL can be used because both functions are called only from their corresponding probe function and no lock is taken in the between. @@ @@ - PCI_DMA_BIDIRECTIONAL + DMA_BIDIRECTIONAL @@ @@ - PCI_DMA_TODEVICE + DMA_TO_DEVICE @@ @@ - PCI_DMA_FROMDEVICE + DMA_FROM_DEVICE @@ @@ - PCI_DMA_NONE + DMA_NONE @@ expression e1, e2, e3; @@ - pci_alloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3; @@ - pci_zalloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3, e4; @@ - pci_free_consistent(e1, e2, e3, e4) + dma_free_coherent(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_single(e1, e2, e3, e4) + dma_map_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_single(e1, e2, e3, e4) + dma_unmap_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4, e5; @@ - pci_map_page(e1, e2, e3, e4, e5) + dma_map_page(&e1->dev, e2, e3, e4, e5) @@ expression e1, e2, e3, e4; @@ - pci_unmap_page(e1, e2, e3, e4) + dma_unmap_page(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_sg(e1, e2, e3, e4) + dma_map_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_sg(e1, e2, e3, e4) + dma_unmap_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_cpu(e1, e2, e3, e4) + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_device(e1, e2, e3, e4) + dma_sync_single_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4) + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_device(e1, e2, e3, e4) + dma_sync_sg_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2; @@ - pci_dma_mapping_error(e1, e2) + dma_mapping_error(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_dma_mask(e1, e2) + dma_set_mask(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_consistent_dma_mask(e1, e2) + dma_set_coherent_mask(&e1->dev, e2) Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/20201206071352.21949-1-christophe.jaillet@wanadoo.fr Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: remove unneeded breakTom Rix2020-11-091-7/+0
| | | | | | | | A break is not needed if it is preceded by a return or goto Signed-off-by: Tom Rix <trix@redhat.com> Link: https://lore.kernel.org/r/20201019165112.29091-1-trix@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* remove ioremap_nocache and devm_ioremap_nocacheChristoph Hellwig2020-01-061-2/+2
| | | | | | | | ioremap has provided non-cached semantics by default since the Linux 2.6 days, so remove the additional ioremap_nocache interface. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152Thomas Gleixner2019-05-301-5/+1
| | | | | | | | | | | | | | | | | | | | | Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: tsi148: Adjust 14 checks for null pointersMarkus Elfring2017-10-131-14/+14
| | | | | | | | | | | | | | | MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The script “checkpatch.pl” pointed information out like the following. Comparison to NULL could be written … Thus fix the affected source code places. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Martyn Welch <martyn@welchs.me.uk>
* vme: tsi148: Improve 17 size determinationsMarkus Elfring2017-10-131-19/+18
| | | | | | | | | | Replace the specification of data structures by variable references as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> [martyn@welchs.me.uk: Correct long line] Signed-off-by: Martyn Welch <martyn@welchs.me.uk>
* vme: tsi148: Delete nine error messages for a failed memory allocationMarkus Elfring2017-10-131-18/+0
| | | | | | | | | Omit extra messages for a memory allocation failure in these functions. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Martyn Welch <martyn@welchs.me.uk>
* vme: Fix module autoloadAlessio Igor Bogani2016-08-311-0/+2
| | | | | | | | | These drivers have a PCI device ID table but the PCI module alias information is not created so module autoloading won't work. Signed-off-by: Alessio Igor Bogani <alessio.bogani@elettra.eu> Acked-by: Martyn Welch <martyn@welchs.me.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: change LM callback argument to void pointerAaron Sierra2016-08-311-2/+4
| | | | | | | | | | | | | | | | | | | | | Make the location monitor callback function prototype more useful by changing the argument from an integer to a void pointer. All VME bridge drivers were simply passing the location monitor index (e.g. 0-3) as the argument to these callbacks. It is much more useful to pass back a pointer to data that the callback-registering driver cares about. There appear to be no in-kernel callers of vme_lm_attach (or vme_lme_request for that matter), so this change only affects the VME subsystem and bridge drivers. This has been tested with Tsi148 hardware, but the CA91Cx42 changes have only been compiled. Signed-off-by: Aaron Sierra <asierra@xes-inc.com> Acked-by: Martyn Welch <martyn@welchs.me.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: add vme_init_bridge for common bridge initAaron Sierra2016-05-011-8/+1
| | | | | | | | | | | | | | Consolidate vme_bridge structure setup that every bridge was required to do itself. This came about because .irq_mtx is only used within the VME core, but was required to be setup externally. This returns the structure passed in to support shorthand like this: bridge = vme_init_bridge(&priv->bridge); Signed-off-by: Aaron Sierra <asierra@xes-inc.com> Acked-by: Martyn Welch <martyn@welchs.me.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: tsi148: silence uninitialized variable warningDmitry Kalinkin2015-10-051-2/+2
| | | | | | | | | | | | | | | | | The warning is a false positive. drivers/vme/bridges/vme_tsi148.c: In function 'tsi148_master_write': drivers/vme/bridges/vme_tsi148.c:1358:31: warning: 'handler' may be used uninitialized in this function [-Wmaybe-uninitialized] vme_unregister_error_handler(handler); ^ drivers/vme/bridges/vme_tsi148.c: In function 'tsi148_master_read': drivers/vme/bridges/vme_tsi148.c:1260:31: warning: 'handler' may be used uninitialized in this function [-Wmaybe-uninitialized] vme_unregister_error_handler(handler); ^ Fixes: 0b0496625715 ("vme: change bus error handling scheme") Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: change bus error handling schemeDmitry Kalinkin2015-10-041-41/+42
| | | | | | | | | | | | | | | | | | | The current VME bus error handler adds errors to the bridge error list. vme_master_{read,write} then traverses that list to look for relevant errors. Such scheme didn't work well for accesses going through vme_master_mmap because they would also allocate a vme_bus_error, but have no way to do vme_clear_errors call to free that memory. This changes the error handling process to be other way around: now vme_master_{read,write} defines a window in VME address space that will catch possible errors. VME bus error interrupt only traverses these windows and marks those that had errors in them. Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: include address space in error filteringDmitry Kalinkin2015-10-041-1/+3
| | | | | | | | | | Also changes vme_bus_error_handler to take generic address modifier code instead of raw contents of a device-specific attribute register. Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Acked-by: Martyn Welch <martyn@welchs.me.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: move tsi148 error handling into VME subsystemDmitry Kalinkin2015-10-041-86/+7
| | | | | | | | | | | | | | Error handling code found in tsi148 is not device specific. In fact it already relies on shared vme_bus_error struct and vme_bridge.vme_errors field. The other bridge driver could reuse this code if it is shared. This introduces a slight behavior change: vme error message won't be triggered in a rare case when err_chk=1 and kmalloc fails. Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Acked-by: Martyn Welch <martyn@welchs.me.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: lower alignment requirement in pci bridge driversDmitry Kalinkin2015-10-041-1/+1
| | | | | | | | | | | | | | Universe II allows PCI address grannularity of 4K or 64K depending on the window id. tsi148 only supports 64K. Existing driver implementations are validating window size against this grannularity and then use that very size as alignment parameter to pci_bus_alloc_resource. This constraint is excessive, alignment by granularity should be enough. This changes alignment constraint from size to a fixed constraint of 64K. Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: stop DMA transfer on interruptionDmitry Kalinkin2015-06-131-2/+13
| | | | | | Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: tsi148: fix first DMA item mappingDmitry Kalinkin2015-06-131-11/+12
| | | | | | | | | | | | | This moves DMA mapping of the first list element to vme_list_add, the same place where other elements mappings occur. This prevents extra mapping or over-unmapping in the cases when vme_list_exec is called more or less than one time respectively. Also adds dma_mapping_error check. Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: tsi148: fix DMA lists longer that one itemDmitry Kalinkin2015-06-131-2/+2
| | | | | | | | | | | DMA lists on tsi148 weren't processed further than the first item because of the broken logic. This regression was introduced in: ac1a4f2caf7b071 "Staging: VME: Ensure TSI148 link list descriptors..." Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: tsi148: Master windows support USERx and CR/CSR accesses, not slavesMartyn Welch2015-03-071-8/+3
| | | | | | | | | | | | | | The tsi148 driver is registering the slave images as supporting the "USER" access modes and CR/CSR access mode rather than the master images as it should. Remove the incorrect case entries for these modes from the tsi148_slave_set() function, stop registering slave_images as supporting these modes and instead register master windows as supporting these modes. Signed-off-by: Martyn Welch <martyn.welch@ge.com> Acked-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: bridges: use pci_zalloc_consistentJoe Perches2014-08-091-4/+2
| | | | | | | | | | | Remove the now unnecessary memset too. Signed-off-by: Joe Perches <joe@perches.com> Cc: Martyn Welch <martyn.welch@ge.com> Cc: Manohar Vanga <manohar.vanga@gmail.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* vme_tsi148: Utilize to_pci_dev() macroAaron Sierra2014-04-161-8/+6
| | | | | | | Save some characters by using to_pci_dev() instead of container_of(). Signed-off-by: Aaron Sierra <asierra@xes-inc.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme_tsi148: Fix PCI address mapping assumptionJoe Schultz2014-04-161-1/+7
| | | | | | | | | | | | | | | | | Previously, tsi148_master_set() assumed the address contained in its PCI bus resource represented the actual PCI bus address. This is a fine assumption on some platforms. However, on platforms that don't use a 1:1 (CPU:PCI) mapping this results in the tsi148 driver configuring an invalid master window translation. This patch updates the vme_tsi148 driver to first convert the address contained in the PCI bus resource into a PCI bus address before using it. [asierra: account for pcibios_resource_to_bus() prototype change] Signed-off-by: Joe Schultz <jschultz@xes-inc.com> Signed-off-by: Aaron Sierra <asierra@xes-inc.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme_tsi148: Fix typo in tsi148_slave_get()Joe Schultz2014-04-161-1/+1
| | | | | | | | | | | | | | | This patch corrects a typo where "vme_base" was used instead of "*vme_base". The typo resulted in an incorrect value being returned to userspace (via vme_user). It also removes the following compile warning on some platforms: warning: cast from pointer to integer of different size [asierra: commit title/log rewording] Signed-off-by: Joe Schultz <jschultz@xes-inc.com> Signed-off-by: Aaron Sierra <asierra@xes-inc.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge 3.14-rc3 into char-misc-nextGreg Kroah-Hartman2014-02-181-2/+2
|\ | | | | | | | | | | We need the fixes here for future mei and other patches. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * VME: Correct read/write alignment algorithmMartyn Welch2014-02-071-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to ensure the correct width cycles on the VME bus, the VME bridge drivers implement an algorithm to utilise the largest possible width reads and writes whilst maintaining natural alignment constraints. The algorithm currently looks at the start address rather than the current read/write address when determining whether a 16-bit width cycle is required to get to 32-bit alignment. This results in incorrect alignment, Reported-by: Jim Strouth <james.strouth@ge.com> Tested-by: Jim Strouth <james.strouth@ge.com> Signed-off-by: Martyn Welch <martyn.welch@ge.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | VME: Stop using memcpy_[to|from]io() due to unwanted behaviourMartyn Welch2014-02-151-9/+9
|/ | | | | | | | | | | | | The ca91cx42 and tsi148 VME bridges use the width of reads and writes on the PCI bus in part to control the width of the cycles on the VME bus. It is important that we can control the width of cycles on the VME bus as some VME hardware requires cycles of a specific width. The memcpy_toio() and memcpy_fromio() functions do not provide sufficient control, so instead loop using ioread functions. Reported-by: Michael Kenney <mfkenney@gmail.com> Signed-off-by: Martyn Welch <martyn.welch@ge.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: remove DEFINE_PCI_DEVICE_TABLE macroJingoo Han2013-12-031-1/+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>
* vme: vme_tsi148.c: add missing __iomem annotationJingoo Han2013-08-201-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Added missing __iomem annotation in order to fix the following sparse warnings: drivers/vme/bridges/vme_tsi148.c:1270:39: warning: incorrect type in initializer (different address spaces) drivers/vme/bridges/vme_tsi148.c:1270:39: expected void *addr drivers/vme/bridges/vme_tsi148.c:1270:39: got void [noderef] <asn:2>* drivers/vme/bridges/vme_tsi148.c:1287:30: warning: incorrect type in argument 1 (different address spaces) drivers/vme/bridges/vme_tsi148.c:1287:30: expected void const volatile [noderef] <asn:2>*addr drivers/vme/bridges/vme_tsi148.c:1287:30: got void *addr drivers/vme/bridges/vme_tsi148.c:1294:47: warning: incorrect type in argument 1 (different address spaces) drivers/vme/bridges/vme_tsi148.c:1294:47: expected void const volatile [noderef] <asn:2>*addr drivers/vme/bridges/vme_tsi148.c:1294:47: got void * drivers/vme/bridges/vme_tsi148.c:1298:48: warning: incorrect type in argument 1 (different address spaces) drivers/vme/bridges/vme_tsi148.c:1298:48: expected void const volatile [noderef] <asn:2>*addr drivers/vme/bridges/vme_tsi148.c:1298:48: got void * drivers/vme/bridges/vme_tsi148.c:1305:17: warning: incorrect type in argument 2 (different address spaces) drivers/vme/bridges/vme_tsi148.c:1305:17: expected void const volatile [noderef] <asn:2>*<noident> drivers/vme/bridges/vme_tsi148.c:1305:17: got void * drivers/vme/bridges/vme_tsi148.c:1310:40: warning: incorrect type in argument 1 (different address spaces) drivers/vme/bridges/vme_tsi148.c:1310:40: expected void const volatile [noderef] <asn:2>*addr drivers/vme/bridges/vme_tsi148.c:1310:40: got void * drivers/vme/bridges/vme_tsi148.c:1314:39: warning: incorrect type in argument 1 (different address spaces) drivers/vme/bridges/vme_tsi148.c:1314:39: expected void const volatile [noderef] <asn:2>*addr drivers/vme/bridges/vme_tsi148.c:1314:39: got void * drivers/vme/bridges/vme_tsi148.c:1351:39: warning: incorrect type in initializer (different address spaces) drivers/vme/bridges/vme_tsi148.c:1351:39: expected void *addr drivers/vme/bridges/vme_tsi148.c:1351:39: got void [noderef] <asn:2>* drivers/vme/bridges/vme_tsi148.c:1369:17: warning: incorrect type in argument 2 (different address spaces) drivers/vme/bridges/vme_tsi148.c:1369:17: expected void volatile [noderef] <asn:2>*addr drivers/vme/bridges/vme_tsi148.c:1369:17: got void *addr drivers/vme/bridges/vme_tsi148.c:1376:25: warning: incorrect type in argument 2 (different address spaces) drivers/vme/bridges/vme_tsi148.c:1376:25: expected void volatile [noderef] <asn:2>*addr drivers/vme/bridges/vme_tsi148.c:1376:25: got void * drivers/vme/bridges/vme_tsi148.c:1380:25: warning: incorrect type in argument 2 (different address spaces) drivers/vme/bridges/vme_tsi148.c:1380:25: expected void volatile [noderef] <asn:2>*addr drivers/vme/bridges/vme_tsi148.c:1380:25: got void * drivers/vme/bridges/vme_tsi148.c:1387:17: warning: incorrect type in argument 1 (different address spaces) drivers/vme/bridges/vme_tsi148.c:1387:17: expected void volatile [noderef] <asn:2>*<noident> drivers/vme/bridges/vme_tsi148.c:1387:17: got void * drivers/vme/bridges/vme_tsi148.c:1392:17: warning: incorrect type in argument 2 (different address spaces) drivers/vme/bridges/vme_tsi148.c:1392:17: expected void volatile [noderef] <asn:2>*addr drivers/vme/bridges/vme_tsi148.c:1392:17: got void * drivers/vme/bridges/vme_tsi148.c:1396:17: warning: incorrect type in argument 2 (different address spaces) drivers/vme/bridges/vme_tsi148.c:1396:17: expected void volatile [noderef] <asn:2>*addr drivers/vme/bridges/vme_tsi148.c:1396:17: got void * Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: vme_tsi148.c: fix error return code in tsi148_probe()Wei Yongjun2013-06-251-1/+2
| | | | | | | | Fix to return a negative error code in the tsi148_crcsr_init() error handling case instead of 0, as done elsewhere in this function. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: tsi148: Window reserved for accessing CR/CSR does not need attributes setMartyn Welch2013-06-181-7/+0
| | | | | | | | | | | | | The tsi148 driver can be configured to reserve a window for internal use (as part of the error checking routine). The intialisation of this window currently configures a set of attributes that are never used as these are only ever used by the VME core and this window is not advertised to the core. Remove configuration of these attributes. Signed-off-by: Martyn Welch <martyn.welch@ge.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: tsi148: CR/CSR logic arround the wrong wayMartyn Welch2013-06-181-3/+4
| | | | | | | | | | | The logic in the init routine for the TSI148 is inverted. It isn't switching on the CR/CSR space when it should be and is reporting it's on when its not. Correct the logic to do the right thing. Reported-by: De Roo, Steven <steven.deroo@arcelormittal.com> Signed-off-by: Martyn Welch <martyn.welch@ge.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: tsi148: Only store VME bus errors if they will be checkedMartyn Welch2013-06-181-11/+17
| | | | | | | | | | | | | The TSI148 driver provides an optional mechanism for ensuring that errors resulting from posted transfers are caught whilst still relevant. To do this errors are stored in a link list. If bus errors are not checked, this list would grow until available memory had been exhausted. Only store the errors in a link list if error detection is switched on. Reported-by: De Roo, Steven <steven.deroo@arcelormittal.com> Signed-off-by: Martyn Welch <martyn.welch@ge.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: vme_tsi148.c: use module_pci_driver to simplify the codeWei Yongjun2012-10-251-14/+1
| | | | | | | | | | | Use the module_pci_driver() macro to make the code simpler by eliminating module_init and module_exit calls. dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: vme_tsi148.c: fix to use list_for_each_safe() when delete list itemsWei Yongjun2012-09-061-5/+5
| | | | | | | | | Since we will be removing items off the list using list_del() we need to use a safer version of the list_for_each() macro aptly named list_for_each_safe(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* VME: Prevent D16 cycles being split into 8-bit blocksMartyn Welch2012-07-201-2/+83
| | | | | | | | | | | | | | | | The memcpy_fromio() and memcpy_toio() functions use the __memcpy() function, at least on x86. This function carries out transfers smaller than 32 bits as multiple 8 bit transfers, causing a single (aligned) 16 bit transfer to be split into 2 8 bit transfers which may not be supported by the target VME device. The commit 53059aa05988761a738fa8bc082bbf3c5d4462d1 fixed this for the ca91cx42, however this was not fixed for the tsi148 at the time. This patch uses the same algorithm to fix the tsi148. Reported-by: Daniel Lambert <daniel.lambert@clermont.in2p3.fr> Signed-off-by: Martyn Welch <martyn.welch@ge.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* vme: vme_tsi148.c: local functions should not be exposed globallyH Hartley Sweeten lin2012-05-091-3/+3
| | | | | | | | | | | | | | Functions not referenced outside of a source file should be marked static to prevent them from being exposed globally. Quiets the sparse warnings: warning: symbol 'tsi148_alloc_consistent' was not declared. Should it be static? warning: symbol 'tsi148_free_consistent' was not declared. Should it be static? Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Martyn Welch <martyn.welch@ge.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Staging: VME: move VME drivers out of stagingGreg Kroah-Hartman2012-04-261-0/+2691
This moves the VME core, VME board drivers, and VME bridge drivers out of the drivers/staging/vme/ area to drivers/vme/. The VME device drivers have not moved out yet due to some API questions they are still working through, that should happen soon, hopefully. Cc: Martyn Welch <martyn.welch@ge.com> Cc: Manohar Vanga <manohar.vanga@cern.ch> Cc: Vincent Bossier <vincent.bossier@gmail.com> Cc: "Emilio G. Cota" <cota@braap.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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