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path: root/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c (follow)
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2021-06-12staging: drop kpc2000 driverGreg Kroah-Hartman1-249/+0
It seems that the old developer is no longer with the company producing this device, and the company has no plans on getting this out of the staging directory at all, so let's drop the driver for now as it's pretty much abandonded. If someone want to support this and get it out of staging, we can easily revert this change and bring it back. Cc: Matt Sickler <matt.sickler@msk4.com> Link: https://lore.kernel.org/r/20210610183153.2397760-1-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-27staging: kpc2000: kpc_dma: rename show function per conventionDeepak R Varma1-2/+2
Rename show_engine_regs show function to engine_regs_show as per the convention followed. The show function macro DEVICE_ATTR also replaced by DEVICE_ATTR_RO. Issue reported by checkpatch script. Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com> Link: https://lore.kernel.org/r/9c8c0d60cec70b99f55d6e228b7585d47be695c2.1603734679.git.mh12gx2825@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-27staging: kpc2000: kpc_dma: rearrange lines exceeding 100 columnsDeepak R Varma1-3/+6
Reformat lines that exceed 100 column in length. Issue reported by checkpatch script. Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com> Link: https://lore.kernel.org/r/c853e015ec460b909a3e2cd529bc0f69093bce3e.1603734679.git.mh12gx2825@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-06-25staging: kpc2000: kpc_dma: set error code in probeEvgeny Novikov1-0/+1
If device_create() fails during probing the device, kpc_dma_probe() does not set the error code and returns 0. This can result in various bad issues later. The patch sets the error code on the corresponding error handling path. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Evgeny Novikov <novikov@ispras.ru> Link: https://lore.kernel.org/r/20200623082959.14951-1-novikov@ispras.ru Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-25Staging: kpc2000: kpc_dma: Use the SPDK comment style.Sam Muhammed1-1/+1
SPDK-License-Identifier comment should have this form // SPDX-License-Identifier: <GPL-...> Signed-off-by: Sam Muhammed <jane.pnx9@gmail.com> Link: https://lore.kernel.org/r/7531e3e3fa7c046e93d2caaa6fa2e76c5c53f04d.1585143581.git.jane.pnx9@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-25Staging: kpc2000: kpc_dma: Include the preferred header.Sam Muhammed1-1/+1
<linux/io.h> is the preferred header to include instead of <asm/io.h>. Checkpatch.pl WARNING: Use #include <linux/io.h> instead of <asm/io.h> Signed-off-by: Sam Muhammed <jane.pnx9@gmail.com> Link: https://lore.kernel.org/r/c7a824c3a2ddc5f44bd89504b8c03a328d69f81d.1585143581.git.jane.pnx9@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-25Staging: kpc2000: kpc_dma: Remove unnecessary braces.Sam Muhammed1-2/+1
Remove braces of single statement blocks, they are not really needed. Signed-off-by: Sam Muhammed <jane.pnx9@gmail.com> Link: https://lore.kernel.org/r/0a3ec63321dce008fc8dd790f42ef8490135b307.1585143581.git.jane.pnx9@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-25Staging: kpc2000: kpc_dma: Use sizeof(*var) in kzalloc().Sam Muhammed1-1/+1
kzalloc(sizeof(*var), ...) was the format been used across the driver, which is the preferred format, but missed two instances, correct them to match the coding standards. Checkpatch.pl CHECK: Prefer kzalloc(sizeof(*var)...) over kzalloc(sizeof(struct var)...) Signed-off-by: Sam Muhammed <jane.pnx9@gmail.com> Link: https://lore.kernel.org/r/bbb3adbd20ae89db6a0d3360bc09d22eed778e86.1585143581.git.jane.pnx9@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-06remove ioremap_nocache and devm_ioremap_nocacheChristoph Hellwig1-1/+1
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>
2019-06-21Staging: kpc2000: kpc_dma: Fix platform_no_drv_owner.cocci warningsYueHaibing1-1/+0
Remove .owner field if calls are used which set it automatically Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-13Staging: kpc2000: kpc_dma: Make some symbols staticYueHaibing1-1/+1
Fix sparse warnings: drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c:46:6: warning: symbol 'kpc_dma_del_device' was not declared. Should it be static? drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c:84:1: warning: symbol 'dev_attr_engine_regs' was not declared. Should it be static? drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c:91:14: warning: symbol 'kpc_dma_class' was not declared. Should it be static? drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c:199:24: warning: symbol 'kpc_dma_plat_driver_i' was not declared. Should it be static? Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-13staging: kpc2000: Fix: 'kpc_dma_del_device' and other symbols were not declaredRishiraj Manwatkar1-3/+3
This patch removes the Sparse generated warnings. Following warnings are reported by Sparse: drivers/staging/kpc2000//kpc_dma/kpc_dma_driver.c:46:6: warning: symbol 'kpc_dma_del_device' was not declared. Should it be static? drivers/staging/kpc2000//kpc_dma/kpc_dma_driver.c:91:14: warning: symbol 'kpc_dma_class' was not declared. Should it be static? drivers/staging/kpc2000//kpc_dma/kpc_dma_driver.c:199:24: warning: symbol 'kpc_dma_plat_driver_i' was not declared. Should it be static? Signed-off-by: Rishiraj Manwatkar <manwatkar@outlook.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-10staging: kpc2000: remove unnecessary debug prints in kpc_dma_driver.cSimon Sandström1-4/+0
Debug prints that are used only to inform about function entry or exit can be removed as ftrace can be used to get this information. Signed-off-by: Simon Sandström <simon@nikanor.nu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-06staging: staging: kpc2000: kpc_dma: fix symbol 'kpc_dma_add_device' was not declared.Valerio Genovese1-1/+1
This was reported by sparse: drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c:39:7: warning: symbol 'kpc_dma_add_device ' was not declared. Should it be static? Signed-off-by: Valerio Genovese <valerio.click@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-20Staging: kpc2000: kpc_dma: Resolve warning to use __func__ insted of funtion name reported by checkpatch.Vandana BN1-9/+9
This patch resolves warnings to use __func__ insted of funtion name. WARNING: Prefer using '"%s...", __func__' to using 'setup_dma_engine', this function's name, in a string Signed-off-by: Vandana BN <bnvandana@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-20Staging: kpc2000: kpc_dma: Resolve warning Missing blank line after declarations & labels not to be indented.Vandana BN1-7/+8
This patch resloves below warnings reported by checkpath in kpc_dma WARNING: Missing a blank line after declarations WARNING: labels should not be indented CHECK: Please don't use multiple blank lines CHECK: Please use a blank line after function/struct/union/enum declarations Signed-off-by: Vandana BN <bnvandana@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-20Staging: kpc2000: kpc_dma: Resolve checkpath errors Macros in paranthesis & trailing statements on next line.Vandana BN1-3/+5
This patch fixes below errors reported by checkpath ERROR: Macros with complex values should be enclosed in parentheses CHECK: Prefer using the BIT macro ERROR: trailing statements should be on next line ERROR: trailing statements should be on next line Signed-off-by: Vandana BN <bnvandana@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-20Staging: kpc2000: kpc_dma: Resolve checkpatch space errors around brace '{', '!' and open paranthesis '('.Vandana BN1-10/+10
This patch resolves below errors reported by checkpath ERROR: space required before the open brace '{' ERROR: space prohibited after that '!' (ctx:BxW) ERROR: space prohibited after that open parenthesis '(' Signed-off-by: Vandana BN <bnvandana@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-20Staging: kpc2000: kpc_dma: Resolve space errors around pointers and function declarations reported by checkpatch.Vandana BN1-6/+6
This patch resolves below errors reported by checkpatch ERROR: "(foo*)" should be "(foo *)" ERROR: "foo * bar" should be "foo *bar" ERROR: "foo __init bar" should be "foo __init bar" ERROR: "foo __exit bar" should be "foo __exit bar" Signed-off-by: Vandana BN <bnvandana@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-20Staging: kpc2000: kpc_dma: Resolve trailing whitespace error reported by checkpatchVandana BN1-23/+23
Resolve trailing whitespace error from checkpatch.pl ERROR: trailing whitespace Signed-off-by: Vandana BN <bnvandana@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-04-25staging: kpc2000: Add DMA driverMatt Sickler1-0/+248
Add Daktronics DMA driver. I've added the SPDX license identifiers, Kconfig entry, and cleaned up as many of the warnings as I could. The AIO support code will be removed in a future patch. Signed-off-by: Matt Sickler <matt.sickler@daktronics.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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