diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c index 0732cfa258c4a..8cc071463249d 100644 --- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c +++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c @@ -7,7 +7,7 @@ * Author: Andy Shevchenko */ -#include +#include #include #include #include diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c index 43ec57c1e604b..806e55f75f656 100644 --- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c +++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c @@ -7,7 +7,7 @@ * Author: Andy Shevchenko */ -#include +#include #include #include #include diff --git a/include/linux/device.h b/include/linux/device.h index 80a5b32689866..78ca7fd0e625a 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -26,9 +26,9 @@ #include #include #include -#include #include #include +#include #include #include #include @@ -281,123 +281,6 @@ int __must_check device_create_bin_file(struct device *dev, void device_remove_bin_file(struct device *dev, const struct bin_attribute *attr); -/* device resource management */ -typedef void (*dr_release_t)(struct device *dev, void *res); -typedef int (*dr_match_t)(struct device *dev, void *res, void *match_data); - -void *__devres_alloc_node(dr_release_t release, size_t size, gfp_t gfp, - int nid, const char *name) __malloc; -#define devres_alloc(release, size, gfp) \ - __devres_alloc_node(release, size, gfp, NUMA_NO_NODE, #release) -#define devres_alloc_node(release, size, gfp, nid) \ - __devres_alloc_node(release, size, gfp, nid, #release) - -void devres_for_each_res(struct device *dev, dr_release_t release, - dr_match_t match, void *match_data, - void (*fn)(struct device *, void *, void *), - void *data); -void devres_free(void *res); -void devres_add(struct device *dev, void *res); -void *devres_find(struct device *dev, dr_release_t release, - dr_match_t match, void *match_data); -void *devres_get(struct device *dev, void *new_res, - dr_match_t match, void *match_data); -void *devres_remove(struct device *dev, dr_release_t release, - dr_match_t match, void *match_data); -int devres_destroy(struct device *dev, dr_release_t release, - dr_match_t match, void *match_data); -int devres_release(struct device *dev, dr_release_t release, - dr_match_t match, void *match_data); - -/* devres group */ -void * __must_check devres_open_group(struct device *dev, void *id, gfp_t gfp); -void devres_close_group(struct device *dev, void *id); -void devres_remove_group(struct device *dev, void *id); -int devres_release_group(struct device *dev, void *id); - -/* managed devm_k.alloc/kfree for device drivers */ -void *devm_kmalloc(struct device *dev, size_t size, gfp_t gfp) __alloc_size(2); -void *devm_krealloc(struct device *dev, void *ptr, size_t size, - gfp_t gfp) __must_check __realloc_size(3); -__printf(3, 0) char *devm_kvasprintf(struct device *dev, gfp_t gfp, - const char *fmt, va_list ap) __malloc; -__printf(3, 4) char *devm_kasprintf(struct device *dev, gfp_t gfp, - const char *fmt, ...) __malloc; -static inline void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp) -{ - return devm_kmalloc(dev, size, gfp | __GFP_ZERO); -} -static inline void *devm_kmalloc_array(struct device *dev, - size_t n, size_t size, gfp_t flags) -{ - size_t bytes; - - if (unlikely(check_mul_overflow(n, size, &bytes))) - return NULL; - - return devm_kmalloc(dev, bytes, flags); -} -static inline void *devm_kcalloc(struct device *dev, - size_t n, size_t size, gfp_t flags) -{ - return devm_kmalloc_array(dev, n, size, flags | __GFP_ZERO); -} -static inline __realloc_size(3, 4) void * __must_check -devm_krealloc_array(struct device *dev, void *p, size_t new_n, size_t new_size, gfp_t flags) -{ - size_t bytes; - - if (unlikely(check_mul_overflow(new_n, new_size, &bytes))) - return NULL; - - return devm_krealloc(dev, p, bytes, flags); -} - -void devm_kfree(struct device *dev, const void *p); -char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp) __malloc; -const char *devm_kstrdup_const(struct device *dev, const char *s, gfp_t gfp); -void *devm_kmemdup(struct device *dev, const void *src, size_t len, gfp_t gfp) - __realloc_size(3); - -unsigned long devm_get_free_pages(struct device *dev, - gfp_t gfp_mask, unsigned int order); -void devm_free_pages(struct device *dev, unsigned long addr); - -#ifdef CONFIG_HAS_IOMEM -void __iomem *devm_ioremap_resource(struct device *dev, - const struct resource *res); -void __iomem *devm_ioremap_resource_wc(struct device *dev, - const struct resource *res); - -void __iomem *devm_of_iomap(struct device *dev, - struct device_node *node, int index, - resource_size_t *size); -#else - -static inline -void __iomem *devm_ioremap_resource(struct device *dev, - const struct resource *res) -{ - return ERR_PTR(-EINVAL); -} - -static inline -void __iomem *devm_ioremap_resource_wc(struct device *dev, - const struct resource *res) -{ - return ERR_PTR(-EINVAL); -} - -static inline -void __iomem *devm_of_iomap(struct device *dev, - struct device_node *node, int index, - resource_size_t *size) -{ - return ERR_PTR(-EINVAL); -} - -#endif - /* allows to add/remove a custom action to devres stack */ int devm_remove_action_nowarn(struct device *dev, void (*action)(void *), void *data); diff --git a/include/linux/device/devres.h b/include/linux/device/devres.h new file mode 100644 index 0000000000000..9b49f99158508 --- /dev/null +++ b/include/linux/device/devres.h @@ -0,0 +1,129 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _DEVICE_DEVRES_H_ +#define _DEVICE_DEVRES_H_ + +#include +#include +#include +#include +#include +#include + +struct device; +struct device_node; +struct resource; + +/* device resource management */ +typedef void (*dr_release_t)(struct device *dev, void *res); +typedef int (*dr_match_t)(struct device *dev, void *res, void *match_data); + +void * __malloc +__devres_alloc_node(dr_release_t release, size_t size, gfp_t gfp, int nid, const char *name); +#define devres_alloc(release, size, gfp) \ + __devres_alloc_node(release, size, gfp, NUMA_NO_NODE, #release) +#define devres_alloc_node(release, size, gfp, nid) \ + __devres_alloc_node(release, size, gfp, nid, #release) + +void devres_for_each_res(struct device *dev, dr_release_t release, + dr_match_t match, void *match_data, + void (*fn)(struct device *, void *, void *), + void *data); +void devres_free(void *res); +void devres_add(struct device *dev, void *res); +void *devres_find(struct device *dev, dr_release_t release, dr_match_t match, void *match_data); +void *devres_get(struct device *dev, void *new_res, dr_match_t match, void *match_data); +void *devres_remove(struct device *dev, dr_release_t release, dr_match_t match, void *match_data); +int devres_destroy(struct device *dev, dr_release_t release, dr_match_t match, void *match_data); +int devres_release(struct device *dev, dr_release_t release, dr_match_t match, void *match_data); + +/* devres group */ +void * __must_check devres_open_group(struct device *dev, void *id, gfp_t gfp); +void devres_close_group(struct device *dev, void *id); +void devres_remove_group(struct device *dev, void *id); +int devres_release_group(struct device *dev, void *id); + +/* managed devm_k.alloc/kfree for device drivers */ +void * __alloc_size(2) +devm_kmalloc(struct device *dev, size_t size, gfp_t gfp); +void * __must_check __realloc_size(3) +devm_krealloc(struct device *dev, void *ptr, size_t size, gfp_t gfp); +static inline void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp) +{ + return devm_kmalloc(dev, size, gfp | __GFP_ZERO); +} +static inline void *devm_kmalloc_array(struct device *dev, size_t n, size_t size, gfp_t flags) +{ + size_t bytes; + + if (unlikely(check_mul_overflow(n, size, &bytes))) + return NULL; + + return devm_kmalloc(dev, bytes, flags); +} +static inline void *devm_kcalloc(struct device *dev, size_t n, size_t size, gfp_t flags) +{ + return devm_kmalloc_array(dev, n, size, flags | __GFP_ZERO); +} +static inline __realloc_size(3, 4) void * __must_check +devm_krealloc_array(struct device *dev, void *p, size_t new_n, size_t new_size, gfp_t flags) +{ + size_t bytes; + + if (unlikely(check_mul_overflow(new_n, new_size, &bytes))) + return NULL; + + return devm_krealloc(dev, p, bytes, flags); +} + +void devm_kfree(struct device *dev, const void *p); + +void * __realloc_size(3) +devm_kmemdup(struct device *dev, const void *src, size_t len, gfp_t gfp); +static inline void *devm_kmemdup_array(struct device *dev, const void *src, + size_t n, size_t size, gfp_t flags) +{ + return devm_kmemdup(dev, src, size_mul(size, n), flags); +} + +char * __malloc +devm_kstrdup(struct device *dev, const char *s, gfp_t gfp); +const char *devm_kstrdup_const(struct device *dev, const char *s, gfp_t gfp); +char * __printf(3, 0) __malloc +devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, va_list ap); +char * __printf(3, 4) __malloc +devm_kasprintf(struct device *dev, gfp_t gfp, const char *fmt, ...); + +unsigned long devm_get_free_pages(struct device *dev, gfp_t gfp_mask, unsigned int order); +void devm_free_pages(struct device *dev, unsigned long addr); + +#ifdef CONFIG_HAS_IOMEM + +void __iomem *devm_ioremap_resource(struct device *dev, const struct resource *res); +void __iomem *devm_ioremap_resource_wc(struct device *dev, const struct resource *res); + +void __iomem *devm_of_iomap(struct device *dev, struct device_node *node, int index, + resource_size_t *size); +#else + +static inline +void __iomem *devm_ioremap_resource(struct device *dev, const struct resource *res) +{ + return IOMEM_ERR_PTR(-EINVAL); +} + +static inline +void __iomem *devm_ioremap_resource_wc(struct device *dev, const struct resource *res) +{ + return IOMEM_ERR_PTR(-EINVAL); +} + +static inline +void __iomem *devm_of_iomap(struct device *dev, struct device_node *node, int index, + resource_size_t *size) +{ + return IOMEM_ERR_PTR(-EINVAL); +} + +#endif + +#endif /* _DEVICE_DEVRES_H_ */ diff --git a/include/linux/err.h b/include/linux/err.h index a4dacd745fcf4..1d60aa86db53b 100644 --- a/include/linux/err.h +++ b/include/linux/err.h @@ -44,6 +44,9 @@ static inline void * __must_check ERR_PTR(long error) /* Return the pointer in the percpu address space. */ #define ERR_PTR_PCPU(error) ((void __percpu *)(unsigned long)ERR_PTR(error)) +/* Cast an error pointer to __iomem. */ +#define IOMEM_ERR_PTR(error) (__force void __iomem *)ERR_PTR(error) + /** * PTR_ERR - Extract the error code from an error pointer. * @ptr: An error pointer. diff --git a/include/linux/io.h b/include/linux/io.h index 59ec5eea696c4..40cb2de73f5ec 100644 --- a/include/linux/io.h +++ b/include/linux/io.h @@ -65,8 +65,6 @@ static inline void devm_ioport_unmap(struct device *dev, void __iomem *addr) } #endif -#define IOMEM_ERR_PTR(err) (__force void __iomem *)ERR_PTR(err) - void __iomem *devm_ioremap(struct device *dev, resource_size_t offset, resource_size_t size); void __iomem *devm_ioremap_uc(struct device *dev, resource_size_t offset, diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index e1a7f0b0c0f33..3bea5d09219ae 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -1017,8 +1017,7 @@ static int hdac_hdmi_create_pin_port_muxs(struct hdac_device *hdev, return -ENOMEM; } - se->texts = devm_kmemdup(&hdev->dev, items, - (num_items * sizeof(char *)), GFP_KERNEL); + se->texts = devm_kmemdup_array(&hdev->dev, items, num_items, sizeof(items[0]), GFP_KERNEL); if (!se->texts) return -ENOMEM; diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c index fa46f51d4341e..423b9264a205e 100644 --- a/sound/soc/codecs/tlv320dac33.c +++ b/sound/soc/codecs/tlv320dac33.c @@ -1477,10 +1477,8 @@ static int dac33_i2c_probe(struct i2c_client *client) if (dac33 == NULL) return -ENOMEM; - dac33->reg_cache = devm_kmemdup(&client->dev, - dac33_reg, - ARRAY_SIZE(dac33_reg) * sizeof(u8), - GFP_KERNEL); + dac33->reg_cache = devm_kmemdup_array(&client->dev, dac33_reg, ARRAY_SIZE(dac33_reg), + sizeof(dac33_reg[0]), GFP_KERNEL); if (!dac33->reg_cache) return -ENOMEM; diff --git a/sound/soc/codecs/uda1380.c b/sound/soc/codecs/uda1380.c index 4f8fdd574585b..c179d865b9383 100644 --- a/sound/soc/codecs/uda1380.c +++ b/sound/soc/codecs/uda1380.c @@ -766,10 +766,8 @@ static int uda1380_i2c_probe(struct i2c_client *i2c) return ret; } - uda1380->reg_cache = devm_kmemdup(&i2c->dev, - uda1380_reg, - ARRAY_SIZE(uda1380_reg) * sizeof(u16), - GFP_KERNEL); + uda1380->reg_cache = devm_kmemdup_array(&i2c->dev, uda1380_reg, ARRAY_SIZE(uda1380_reg), + sizeof(uda1380_reg[0]), GFP_KERNEL); if (!uda1380->reg_cache) return -ENOMEM; diff --git a/sound/soc/intel/avs/boards/da7219.c b/sound/soc/intel/avs/boards/da7219.c index 76078a7005b07..9507a96f26aca 100644 --- a/sound/soc/intel/avs/boards/da7219.c +++ b/sound/soc/intel/avs/boards/da7219.c @@ -113,7 +113,8 @@ static int avs_da7219_codec_init(struct snd_soc_pcm_runtime *runtime) } num_pins = ARRAY_SIZE(card_headset_pins); - pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL); + pins = devm_kmemdup_array(card->dev, card_headset_pins, num_pins, + sizeof(card_headset_pins[0]), GFP_KERNEL); if (!pins) return -ENOMEM; diff --git a/sound/soc/intel/avs/boards/es8336.c b/sound/soc/intel/avs/boards/es8336.c index 426ce37105aeb..6f3c4f6c93023 100644 --- a/sound/soc/intel/avs/boards/es8336.c +++ b/sound/soc/intel/avs/boards/es8336.c @@ -109,7 +109,8 @@ static int avs_es8336_codec_init(struct snd_soc_pcm_runtime *runtime) data = snd_soc_card_get_drvdata(card); num_pins = ARRAY_SIZE(card_headset_pins); - pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL); + pins = devm_kmemdup_array(card->dev, card_headset_pins, num_pins, + sizeof(card_headset_pins[0]), GFP_KERNEL); if (!pins) return -ENOMEM; diff --git a/sound/soc/intel/avs/boards/nau8825.c b/sound/soc/intel/avs/boards/nau8825.c index bf902540744c5..6833eebd82d66 100644 --- a/sound/soc/intel/avs/boards/nau8825.c +++ b/sound/soc/intel/avs/boards/nau8825.c @@ -88,7 +88,8 @@ static int avs_nau8825_codec_init(struct snd_soc_pcm_runtime *runtime) jack = snd_soc_card_get_drvdata(card); num_pins = ARRAY_SIZE(card_headset_pins); - pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL); + pins = devm_kmemdup_array(card->dev, card_headset_pins, num_pins, + sizeof(card_headset_pins[0]), GFP_KERNEL); if (!pins) return -ENOMEM; diff --git a/sound/soc/intel/avs/boards/rt274.c b/sound/soc/intel/avs/boards/rt274.c index 4b6c02a402047..f5caafc218613 100644 --- a/sound/soc/intel/avs/boards/rt274.c +++ b/sound/soc/intel/avs/boards/rt274.c @@ -98,7 +98,8 @@ static int avs_rt274_codec_init(struct snd_soc_pcm_runtime *runtime) jack = snd_soc_card_get_drvdata(card); num_pins = ARRAY_SIZE(card_headset_pins); - pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL); + pins = devm_kmemdup_array(card->dev, card_headset_pins, num_pins, + sizeof(card_headset_pins[0]), GFP_KERNEL); if (!pins) return -ENOMEM; diff --git a/sound/soc/intel/avs/boards/rt286.c b/sound/soc/intel/avs/boards/rt286.c index e40563ca99fd5..1eb0399c0fae8 100644 --- a/sound/soc/intel/avs/boards/rt286.c +++ b/sound/soc/intel/avs/boards/rt286.c @@ -59,7 +59,8 @@ static int avs_rt286_codec_init(struct snd_soc_pcm_runtime *runtime) jack = snd_soc_card_get_drvdata(card); num_pins = ARRAY_SIZE(card_headset_pins); - pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL); + pins = devm_kmemdup_array(card->dev, card_headset_pins, num_pins, + sizeof(card_headset_pins[0]), GFP_KERNEL); if (!pins) return -ENOMEM; diff --git a/sound/soc/intel/avs/boards/rt298.c b/sound/soc/intel/avs/boards/rt298.c index 94fce07c83f9e..85269a3be9817 100644 --- a/sound/soc/intel/avs/boards/rt298.c +++ b/sound/soc/intel/avs/boards/rt298.c @@ -70,7 +70,8 @@ static int avs_rt298_codec_init(struct snd_soc_pcm_runtime *runtime) jack = snd_soc_card_get_drvdata(card); num_pins = ARRAY_SIZE(card_headset_pins); - pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL); + pins = devm_kmemdup_array(card->dev, card_headset_pins, num_pins, + sizeof(card_headset_pins[0]), GFP_KERNEL); if (!pins) return -ENOMEM; diff --git a/sound/soc/intel/avs/boards/rt5663.c b/sound/soc/intel/avs/boards/rt5663.c index b456b9d146654..e3310b3268baa 100644 --- a/sound/soc/intel/avs/boards/rt5663.c +++ b/sound/soc/intel/avs/boards/rt5663.c @@ -65,7 +65,8 @@ static int avs_rt5663_codec_init(struct snd_soc_pcm_runtime *runtime) jack = &priv->jack; num_pins = ARRAY_SIZE(card_headset_pins); - pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL); + pins = devm_kmemdup_array(card->dev, card_headset_pins, num_pins, + sizeof(card_headset_pins[0]), GFP_KERNEL); if (!pins) return -ENOMEM; diff --git a/sound/soc/intel/avs/boards/rt5682.c b/sound/soc/intel/avs/boards/rt5682.c index 335960cfd7ba1..339df0b944c17 100644 --- a/sound/soc/intel/avs/boards/rt5682.c +++ b/sound/soc/intel/avs/boards/rt5682.c @@ -102,7 +102,8 @@ static int avs_rt5682_codec_init(struct snd_soc_pcm_runtime *runtime) jack = snd_soc_card_get_drvdata(card); num_pins = ARRAY_SIZE(card_jack_pins); - pins = devm_kmemdup(card->dev, card_jack_pins, sizeof(*pins) * num_pins, GFP_KERNEL); + pins = devm_kmemdup_array(card->dev, card_jack_pins, num_pins, + sizeof(card_jack_pins[0]), GFP_KERNEL); if (!pins) return -ENOMEM; diff --git a/sound/soc/meson/axg-tdm-interface.c b/sound/soc/meson/axg-tdm-interface.c index 09103eef2a979..421b5d719fb3d 100644 --- a/sound/soc/meson/axg-tdm-interface.c +++ b/sound/soc/meson/axg-tdm-interface.c @@ -529,7 +529,6 @@ static int axg_tdm_iface_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct snd_soc_dai_driver *dai_drv; struct axg_tdm_iface *iface; - int i; iface = devm_kzalloc(dev, sizeof(*iface), GFP_KERNEL); if (!iface) @@ -541,15 +540,11 @@ static int axg_tdm_iface_probe(struct platform_device *pdev) * We'll change the number of channel provided by DAI stream, so dpcm * channel merge can be done properly */ - dai_drv = devm_kcalloc(dev, ARRAY_SIZE(axg_tdm_iface_dai_drv), - sizeof(*dai_drv), GFP_KERNEL); + dai_drv = devm_kmemdup_array(dev, axg_tdm_iface_dai_drv, ARRAY_SIZE(axg_tdm_iface_dai_drv), + sizeof(axg_tdm_iface_dai_drv[0]), GFP_KERNEL); if (!dai_drv) return -ENOMEM; - for (i = 0; i < ARRAY_SIZE(axg_tdm_iface_dai_drv); i++) - memcpy(&dai_drv[i], &axg_tdm_iface_dai_drv[i], - sizeof(*dai_drv)); - /* Bit clock provided on the pad */ iface->sclk = devm_clk_get(dev, "sclk"); if (IS_ERR(iface->sclk)) diff --git a/sound/soc/uniphier/aio-cpu.c b/sound/soc/uniphier/aio-cpu.c index 470f129166a4c..3224c11a527fd 100644 --- a/sound/soc/uniphier/aio-cpu.c +++ b/sound/soc/uniphier/aio-cpu.c @@ -762,14 +762,10 @@ int uniphier_aio_probe(struct platform_device *pdev) return -ENOMEM; chip->num_plls = chip->chip_spec->num_plls; - chip->plls = devm_kcalloc(dev, - chip->num_plls, - sizeof(struct uniphier_aio_pll), - GFP_KERNEL); + chip->plls = devm_kmemdup_array(dev, chip->chip_spec->plls, chip->num_plls, + sizeof(*chip->chip_spec->plls), GFP_KERNEL); if (!chip->plls) return -ENOMEM; - memcpy(chip->plls, chip->chip_spec->plls, - sizeof(struct uniphier_aio_pll) * chip->num_plls); for (i = 0; i < chip->num_aios; i++) { struct uniphier_aio *aio = &chip->aios[i];