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path: root/drivers/nfc/s3fwrn5
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2019-10-06nfc: s3fwrn5: fix platform_no_drv_owner.cocci warningYueHaibing1-1/+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: David S. Miller <davem@davemloft.net>
2019-05-24treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 123Thomas Gleixner7-84/+7
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms and conditions of the gnu general public license version 2 or later 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 see http www gnu org licenses extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 7 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190523091651.504392586@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner2-0/+2
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form 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>
2019-04-25crypto: shash - remove shash_desc::flagsEric Biggers1-1/+0
The flags field in 'struct shash_desc' never actually does anything. The only ostensibly supported flag is CRYPTO_TFM_REQ_MAY_SLEEP. However, no shash algorithm ever sleeps, making this flag a no-op. With this being the case, inevitably some users who can't sleep wrongly pass MAY_SLEEP. These would all need to be fixed if any shash algorithm actually started sleeping. For example, the shash_ahash_*() functions, which wrap a shash algorithm with the ahash API, pass through MAY_SLEEP from the ahash API to the shash API. However, the shash functions are called under kmap_atomic(), so actually they're assumed to never sleep. Even if it turns out that some users do need preemption points while hashing large buffers, we could easily provide a helper function crypto_shash_update_large() which divides the data into smaller chunks and calls crypto_shash_update() and cond_resched() for each chunk. It's not necessary to have a flag in 'struct shash_desc', nor is it necessary to make individual shash algorithms aware of this at all. Therefore, remove shash_desc::flags, and document that the crypto_shash_*() functions can be called from any context. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-11-06nfc: s3fwrn5: make array match static constColin Ian King1-1/+1
Don't populate the read-only array match on the stack, instead make it static const. Makes the object code smaller by over 310 bytes: Before: text data bss dec hex filename 8304 1084 128 9516 252c drivers/nfc/s3fwrn5/firmware.o After: text data bss dec hex filename 7894 1180 128 9202 23f2 drivers/nfc/s3fwrn5/firmware.o Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2017-11-06nfc: s3fwrn5: constify i2c_device_idArvind Yadav1-1/+1
i2c_device_id are not supposed to change at runtime. All functions working with i2c_device_id provided by <linux/i2c.h> work with const i2c_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2017-06-16networking: introduce and use skb_put_data()Johannes Berg2-3/+3
A common pattern with skb_put() is to just want to memcpy() some data into the new space, introduce skb_put_data() for this. An spatch similar to the one for skb_put_zero() converts many of the places using it: @@ identifier p, p2; expression len, skb, data; type t, t2; @@ ( -p = skb_put(skb, len); +p = skb_put_data(skb, data, len); | -p = (t)skb_put(skb, len); +p = skb_put_data(skb, data, len); ) ( p2 = (t2)p; -memcpy(p2, data, len); | -memcpy(p, data, len); ) @@ type t, t2; identifier p, p2; expression skb, data; @@ t *p; ... ( -p = skb_put(skb, sizeof(t)); +p = skb_put_data(skb, data, sizeof(t)); | -p = (t *)skb_put(skb, sizeof(t)); +p = skb_put_data(skb, data, sizeof(t)); ) ( p2 = (t2)p; -memcpy(p2, data, sizeof(*p)); | -memcpy(p, data, sizeof(*p)); ) @@ expression skb, len, data; @@ -memcpy(skb_put(skb, len), data, len); +skb_put_data(skb, data, len); (again, manually post-processed to retain some comments) Reviewed-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-27nfc: s3fwrn5: Use shashHerbert Xu1-9/+27
This patch replaces uses of the long obsolete hash interface with shash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-20nfc: s3fwrn5: constify s3fwrn5_phy_ops structuresJulia Lawall3-4/+4
The s3fwrn5_phy_ops structure is never modified, so declare it as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-10-25NFC: nci: rename nci_prop_ops to nci_driver_opsRobert Dolca2-3/+3
Initially it was used to create hooks in the driver for proprietary operations. Currently it is being used for hooks for both proprietary and generic operations. Signed-off-by: Robert Dolca <robert.dolca@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-10-07nfc: s3fwrn5: i2c: Use devm_request_threaded_irq to avoid irq leakAxel Lin1-1/+1
Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-10-07nfc: s3fwrn5: Make NFC_S3FWRN5 select CRYPTOAxel Lin1-0/+1
Make NFC_S3FWRN5 select CRYPTO to fix below build errors: ERROR: "crypto_destroy_tfm" [drivers/nfc/s3fwrn5/s3fwrn5.ko] undefined! ERROR: "crypto_alloc_base" [drivers/nfc/s3fwrn5/s3fwrn5.ko] undefined! scripts/Makefile.modpost:91: recipe for target '__modpost' failed make[1]: *** [__modpost] Error 1 Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-10-07NFC: s3fwrn5: Remove superfluous cflagsValentin Rothberg1-2/+0
NFC_DEBUG is not defined in Kconfig and since DEBUG is not used anywhere in this directory, we can safely remove this line. Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Acked-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-08-20nfc: s3fwrn5: Add driver for Samsung S3FWRN5 NFC ChipRobert Baldyga9-0/+1530
Add driver for Samsung S3FWRN5 NFC controller. S3FWRN5 is using NCI protocol and I2C communication interface. Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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