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00c11b40 |
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07-Feb-2023 |
Ye Xingchen <ye.xingchen@zte.com.cn> |
MIPS: lantiq: xway: Use devm_platform_get_and_ioremap_resource() Convert platform_get_resource(), devm_ioremap_resource() to a single call to devm_platform_get_and_ioremap_resource(), as this is exactly what this function does. Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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#
49293bbc |
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14-Sep-2021 |
Aleksander Jan Bajkowski <olek2@wp.pl> |
MIPS: lantiq: dma: make the burst length configurable by the drivers Make the burst length configurable by the drivers. Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> Acked-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
5ad74d39 |
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14-Sep-2021 |
Aleksander Jan Bajkowski <olek2@wp.pl> |
MIPS: lantiq: dma: fix burst length for DEU The current definition of 2W burst length is invalid. This patch fixes it. Current downstream DEU driver doesn't use DMA. An incorrect burst length value doesn't cause any errors. This patch also adds other burst length values. Fixes: dfec1a827d2b ("MIPS: Lantiq: Add DMA support") Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
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5ca9ce2b |
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14-Sep-2021 |
Aleksander Jan Bajkowski <olek2@wp.pl> |
MIPS: lantiq: dma: reset correct number of channel Different SoCs have a different number of channels, e.g .: * amazon-se has 10 channels, * danube+ar9 have 20 channels, * vr9 has 28 channels, * ar10 has 24 channels. We can read the ID register and, depending on the reported number of channels, reset the appropriate number of channels. Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
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c12aa581 |
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14-Sep-2021 |
Aleksander Jan Bajkowski <olek2@wp.pl> |
MIPS: lantiq: dma: add small delay after reset Reading the DMA registers immediately after the reset causes Data Bus Error. Adding a small delay fixes this issue. Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
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95af1df6 |
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13-Sep-2018 |
Marc Zyngier <maz@kernel.org> |
MIPS: lantiq: Directly include linux/of.h in xway/dma.c This drivers currently obtains linux/of.h by luck and a chain of bizarre inclusions, which we're about to fix. Let's include the required file directly. Signed-off-by: Marc Zyngier <maz@kernel.org>
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#
45051539 |
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29-May-2019 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 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 version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 136 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190530000436.384967451@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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#
750afb08 |
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04-Jan-2019 |
Luis Chamberlain <mcgrof@kernel.org> |
cross-tree: phase out dma_zalloc_coherent() We already need to zero out memory for dma_alloc_coherent(), as such using dma_zalloc_coherent() is superflous. Phase it out. This change was generated with the following Coccinelle SmPL patch: @ replace_dma_zalloc_coherent @ expression dev, size, data, handle, flags; @@ -dma_zalloc_coherent(dev, size, handle, flags) +dma_alloc_coherent(dev, size, handle, flags) Suggested-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> [hch: re-ran the script on the latest tree] Signed-off-by: Christoph Hellwig <hch@lst.de>
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cc973aec |
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09-Sep-2018 |
Hauke Mehrtens <hauke@hauke-m.de> |
MIPS: lantiq: Do not enable IRQs in dma open When a DMA channel is opened the IRQ should not get activated automatically, this allows it to pull data out manually without the help of interrupts. This is needed for a workaround in the vrx200 Ethernet driver. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Paul Burton <paul.burton@mips.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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2d946e5b |
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09-Sep-2018 |
Hauke Mehrtens <hauke@hauke-m.de> |
MIPS: lantiq: dma: add dev pointer dma_zalloc_coherent() now crashes if no dev pointer is given. Add a dev pointer to the ltq_dma_channel structure and fill it in the driver using it. This fixes a bug introduced in kernel 4.19. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
2b5c4913 |
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21-Jul-2018 |
Hauke Mehrtens <hauke@hauke-m.de> |
MIPS: lantiq: Use dma_zalloc_coherent() in dma code Instead of using dma_alloc_coherent() and memset() directly use dma_zalloc_coherent(). Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/19962/ Cc: ralf@linux-mips.org Cc: jhogan@kernel.org Cc: john@phrozen.org Cc: linux-mips@linux-mips.org Cc: dev@kresin.me
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26dd3e4f |
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28-Jan-2017 |
Paul Gortmaker <paul.gortmaker@windriver.com> |
MIPS: Audit and remove any unnecessary uses of module.h Historically a lot of these existed because we did not have a distinction between what was modular code and what was providing support to modules via EXPORT_SYMBOL and friends. That changed when we forked out support for the latter into the export.h file. This means we should be able to reduce the usage of module.h in code that is obj-y Makefile or bool Kconfig. In the case of some code where it is modular, we can extend that to also include files that are building basic support functionality but not related to loading or registering the final module; such files also have no need whatsoever for module.h The advantage in removing such instances is that module.h itself sources about 15 other headers; adding significantly to what we feed cpp, and it can obscure what headers we are effectively using. Since module.h might have been the implicit source for init.h (for __init) and for export.h (for EXPORT_SYMBOL) we consider each instance for the presence of either and replace/add as needed. Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code. Build coverage of all the mips defconfigs revealed the module.h header was masking a couple of implicit include instances, so we add the appropriate headers there. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: David Daney <david.daney@cavium.com> Cc: John Crispin <john@phrozen.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: "Steven J. Hill" <steven.hill@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/15131/ [james.hogan@imgtec.com: Preserve sort order where it already exists] Signed-off-by: James Hogan <james.hogan@imgtec.com>
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#
98e58b01 |
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29-Dec-2016 |
Hauke Mehrtens <hauke@hauke-m.de> |
MIPS: Lantiq: Lock DMA register accesses for SMP The DMA controller channel and port configuration is changed by selecting the port or channel in one register and then update the configuration in other registers. This has to be done in an atomic operation. Previously only the local interrupts were deactivated which works for single CPU systems. If the system supports SMP a better locking is needed, use spinlocks instead. On more recent SoCs (at least xrx200 and later) there are two memory regions to change the configuration, there we could use one area for each CPU and do not have to synchronize between the CPUs and more. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Cc: john@phrozen.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14912/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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#
97b92108 |
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05-May-2016 |
John Crispin <john@phrozen.org> |
MIPS: Change my email address The old address is no longer valid. Use the my new one instead. Signed-off-by: John Crispin <john@phrozen.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13201/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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5ffc6d13 |
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20-Oct-2014 |
Wolfram Sang <wsa@kernel.org> |
mips: lantiq: xway: drop owner assignment from platform_drivers A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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#
9fbf8e88 |
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13-Jan-2014 |
Wolfram Sang <wsa@kernel.org> |
arch/mips/lantiq/xway: don't check resource with devm_ioremap_resource devm_ioremap_resource does sanity checks on the given resource. No need to duplicate this in the driver. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/6348/
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7c390a7e |
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21-Jan-2013 |
Thierry Reding <thierry.reding@avionic-design.de> |
MIPS: Convert to devm_ioremap_resource() Convert all uses of devm_request_and_ioremap() to the newly introduced devm_ioremap_resource() which provides more consistent error handling. devm_ioremap_resource() provides its own error messages so all explicit error messages can be removed from the failure code paths. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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28eb0e46 |
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21-Dec-2012 |
Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
MIPS: drivers: remove __dev* attributes. CONFIG_HOTPLUG is going away as an option. As a result, the __dev* markings need to be removed. This change removes the use of __devinit, __devexit_p, __devinitdata, and __devexit from these drivers. Based on patches originally written by Bill Pemberton, but redone by me in order to handle some of the coding style issues better, by hand. Cc: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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d08be0db |
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22-Nov-2012 |
Masanari Iida <standby24x7@gmail.com> |
MIPS: Lantiq: Fix typo in "endianness" in dma.c Correct spelling typo ENDIANESS to ENDIANNESS in arc/mips/lantiq/xway/dma.c Signed-off-by: Masanari Iida <standby24x7@gmail.com> Cc: trivial@kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/4613/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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b8b3acbe |
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08-Nov-2012 |
John Crispin <blogic@openwrt.org> |
MIPS: lantiq: verbose init of dma core Print the hardware revision and port/channel info when starting the dma core. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4520
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ddd4eeca |
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12-Apr-2012 |
John Crispin <blogic@openwrt.org> |
MIPS: lantiq: convert dma to platform driver Add code to make the dma driver load as a platform device from the devicetree. Signed-off-by: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3824/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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ab75dc02 |
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17-Nov-2011 |
Ralf Baechle <ralf@linux-mips.org> |
MIPS: Fix up inconsistency in panic() string argument. Panic() invokes printk() to add a \n internally, so panic arguments should not themselves end in \n. Panic invocations in arch/mips and elsewhere are inconsistently sometimes terminating in \n, sometimes not. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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4af92e7a |
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10-Nov-2011 |
John Crispin <blogic@openwrt.org> |
MIPS: lantiq: use export.h in favour of module.h The code located at arch/mips/lantiq/ included module.h to be able to use the EXPORT_SYMBOL* macros. These can now be directly included using export.h. Signed-off-by: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2937/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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#
dfec1a82 |
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05-May-2011 |
John Crispin <blogic@openwrt.org> |
MIPS: Lantiq: Add DMA support This patch adds support for the DMA engine found inside the XWAY family of SoCs. The engine has 5 ports and 20 channels. Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Ralph Hempel <ralph.hempel@lantiq.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2355/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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