diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-24 08:46:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-24 08:46:03 -0700 |
| commit | cf9610f9116d55c5a66ef9f1faecacabd93a9322 (patch) | |
| tree | 757a3d280760c654767631cab5ad8af2d86d1848 /crypto/lz4.c | |
| download | linux-stable-cf9610f9116d55c5a66ef9f1faecacabd93a9322.tar.gz linux-stable-cf9610f9116d55c5a66ef9f1faecacabd93a9322.zip | |
Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlgrafted
Pull pin control updates from Linus Walleij:
"Core changes:
- Use the non-blocking mux_state_try_select() in the generic MUX pin
control back-end
- Free pin maps on pinctrl_generic_to_map() failure in the core
helpers
New hardware pin control:
- Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC
(this is for the low power audio, LPASS = Low Power Audio SubSystem
portions)
- Upboard support on top of the Intel pin controller
- Apple T6030 and T6031 support (just compatible strings)
- Samsung Exynos 8855 SoC
- Mediatek MT6858 SoC
- Rockchip RK3308B and RV1106 SoCs
- Airoha EN7523 and AN7563 SoCs
Improvements:
- Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable
- Qualcomm improvements on top of the Qualcomm PDC (power domain
controller) irqchip improvements from tglx:s tree
- Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups
- The NPCM8xx driver has been put into shape fixing many pin and
group definitions
- Some non-urgent Tegra 264 pin assignments are fixed up
- Some non-urgent fixups to Airoha AN7581 and AN7583 registers and
pin assignments, missing features etc"
* tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits)
dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema
pinctrl: meson: sync some modify from A4
pinctrl: meson: a4: Add input enable pin configuration
pinctrl: realtek: rtd1625: remove unused group name spdif_sel
pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13
dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema
Revert "Merge branch 'ib-rsk7204' into devel"
pinctrl: rockchip: Add RV1106 pinctrl support
dt-bindings: pinctrl: rockchip: Add RV1106 compatible
pinctrl: rockchip: Decode drive strength in the get function
pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable
pinctrl: airoha: add support of an7563 SoC
dt-bindings: pinctrl: airoha: add support of an7563 pin controller
pinctrl: airoha: try to find chip scu node by phandle first
pinctrl: airoha: add support of en7523 SoC
dt-bindings: pinctrl: airoha: add support of en7523 pin controller
pinctrl: airoha: an7583: add support for olt pinmux
pinctrl: airoha: an7583: add support for pon_alt pinmux
pinctrl: airoha: an7583: add support for npu_uart pinmux
dt-bindings: pinctrl: airoha: an7583: add missed features
...
Diffstat (limited to 'crypto/lz4.c')
| -rw-r--r-- | crypto/lz4.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/crypto/lz4.c b/crypto/lz4.c new file mode 100644 index 000000000..57b713516 --- /dev/null +++ b/crypto/lz4.c @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Cryptographic API. + * + * Copyright (c) 2013 Chanho Min <chanho.min@lge.com> + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/crypto.h> +#include <linux/vmalloc.h> +#include <linux/lz4.h> +#include <crypto/internal/scompress.h> + +static void *lz4_alloc_ctx(void) +{ + void *ctx; + + ctx = vmalloc(LZ4_MEM_COMPRESS); + if (!ctx) + return ERR_PTR(-ENOMEM); + + return ctx; +} + +static void lz4_free_ctx(void *ctx) +{ + vfree(ctx); +} + +static int __lz4_compress_crypto(const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen, void *ctx) +{ + int out_len = LZ4_compress_default(src, dst, + slen, *dlen, ctx); + + if (!out_len) + return -EINVAL; + + *dlen = out_len; + return 0; +} + +static int lz4_scompress(struct crypto_scomp *tfm, const u8 *src, + unsigned int slen, u8 *dst, unsigned int *dlen, + void *ctx) +{ + return __lz4_compress_crypto(src, slen, dst, dlen, ctx); +} + +static int __lz4_decompress_crypto(const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen, void *ctx) +{ + int out_len = LZ4_decompress_safe(src, dst, slen, *dlen); + + if (out_len < 0) + return -EINVAL; + + *dlen = out_len; + return 0; +} + +static int lz4_sdecompress(struct crypto_scomp *tfm, const u8 *src, + unsigned int slen, u8 *dst, unsigned int *dlen, + void *ctx) +{ + return __lz4_decompress_crypto(src, slen, dst, dlen, NULL); +} + +static struct scomp_alg scomp = { + .streams = { + .alloc_ctx = lz4_alloc_ctx, + .free_ctx = lz4_free_ctx, + }, + .compress = lz4_scompress, + .decompress = lz4_sdecompress, + .base = { + .cra_name = "lz4", + .cra_driver_name = "lz4-scomp", + .cra_module = THIS_MODULE, + } +}; + +static int __init lz4_mod_init(void) +{ + return crypto_register_scomp(&scomp); +} + +static void __exit lz4_mod_fini(void) +{ + crypto_unregister_scomp(&scomp); +} + +module_init(lz4_mod_init); +module_exit(lz4_mod_fini); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("LZ4 Compression Algorithm"); +MODULE_ALIAS_CRYPTO("lz4"); |
