Loading drivers/base/regmap/Kconfig +5 −1 Original line number Original line Diff line number Diff line Loading @@ -4,7 +4,7 @@ # subsystems should select the appropriate symbols. # subsystems should select the appropriate symbols. config REGMAP config REGMAP default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ) default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ || REGMAP_SCCB || REGMAP_I3C) select IRQ_DOMAIN if REGMAP_IRQ select IRQ_DOMAIN if REGMAP_IRQ bool bool Loading Loading @@ -49,3 +49,7 @@ config REGMAP_SOUNDWIRE config REGMAP_SCCB config REGMAP_SCCB tristate tristate depends on I2C depends on I2C config REGMAP_I3C tristate depends on I3C drivers/base/regmap/Makefile +1 −0 Original line number Original line Diff line number Diff line Loading @@ -16,3 +16,4 @@ obj-$(CONFIG_REGMAP_IRQ) += regmap-irq.o obj-$(CONFIG_REGMAP_W1) += regmap-w1.o obj-$(CONFIG_REGMAP_W1) += regmap-w1.o obj-$(CONFIG_REGMAP_SOUNDWIRE) += regmap-sdw.o obj-$(CONFIG_REGMAP_SOUNDWIRE) += regmap-sdw.o obj-$(CONFIG_REGMAP_SCCB) += regmap-sccb.o obj-$(CONFIG_REGMAP_SCCB) += regmap-sccb.o obj-$(CONFIG_REGMAP_I3C) += regmap-i3c.o drivers/base/regmap/regcache-lzo.c +3 −5 Original line number Original line Diff line number Diff line Loading @@ -148,20 +148,18 @@ static int regcache_lzo_init(struct regmap *map) * that register. * that register. */ */ bmp_size = map->num_reg_defaults_raw; bmp_size = map->num_reg_defaults_raw; sync_bmp = kmalloc_array(BITS_TO_LONGS(bmp_size), sizeof(long), sync_bmp = bitmap_zalloc(bmp_size, GFP_KERNEL); GFP_KERNEL); if (!sync_bmp) { if (!sync_bmp) { ret = -ENOMEM; ret = -ENOMEM; goto err; goto err; } } bitmap_zero(sync_bmp, bmp_size); /* allocate the lzo blocks and initialize them */ /* allocate the lzo blocks and initialize them */ for (i = 0; i < blkcount; i++) { for (i = 0; i < blkcount; i++) { lzo_blocks[i] = kzalloc(sizeof **lzo_blocks, lzo_blocks[i] = kzalloc(sizeof **lzo_blocks, GFP_KERNEL); GFP_KERNEL); if (!lzo_blocks[i]) { if (!lzo_blocks[i]) { kfree(sync_bmp); bitmap_free(sync_bmp); ret = -ENOMEM; ret = -ENOMEM; goto err; goto err; } } Loading Loading @@ -213,7 +211,7 @@ static int regcache_lzo_exit(struct regmap *map) * only once. * only once. */ */ if (lzo_blocks[0]) if (lzo_blocks[0]) kfree(lzo_blocks[0]->sync_bmp); bitmap_free(lzo_blocks[0]->sync_bmp); for (i = 0; i < blkcount; i++) { for (i = 0; i < blkcount; i++) { if (lzo_blocks[i]) { if (lzo_blocks[i]) { kfree(lzo_blocks[i]->wmem); kfree(lzo_blocks[i]->wmem); Loading drivers/base/regmap/regmap-i3c.c 0 → 100644 +60 −0 Original line number Original line Diff line number Diff line // SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2018 Synopsys, Inc. and/or its affiliates. #include <linux/regmap.h> #include <linux/i3c/device.h> #include <linux/i3c/master.h> #include <linux/module.h> static int regmap_i3c_write(void *context, const void *data, size_t count) { struct device *dev = context; struct i3c_device *i3c = dev_to_i3cdev(dev); struct i3c_priv_xfer xfers[] = { { .rnw = false, .len = count, .data.out = data, }, }; return i3c_device_do_priv_xfers(i3c, xfers, 1); } static int regmap_i3c_read(void *context, const void *reg, size_t reg_size, void *val, size_t val_size) { struct device *dev = context; struct i3c_device *i3c = dev_to_i3cdev(dev); struct i3c_priv_xfer xfers[2]; xfers[0].rnw = false; xfers[0].len = reg_size; xfers[0].data.out = reg; xfers[1].rnw = true; xfers[1].len = val_size; xfers[1].data.in = val; return i3c_device_do_priv_xfers(i3c, xfers, 2); } static struct regmap_bus regmap_i3c = { .write = regmap_i3c_write, .read = regmap_i3c_read, }; struct regmap *__devm_regmap_init_i3c(struct i3c_device *i3c, const struct regmap_config *config, struct lock_class_key *lock_key, const char *lock_name) { return __devm_regmap_init(&i3c->dev, ®map_i3c, &i3c->dev, config, lock_key, lock_name); } EXPORT_SYMBOL_GPL(__devm_regmap_init_i3c); MODULE_AUTHOR("Vitor Soares <vitor.soares@synopsys.com>"); MODULE_DESCRIPTION("Regmap I3C Module"); MODULE_LICENSE("GPL v2"); include/linux/regmap.h +20 −0 Original line number Original line Diff line number Diff line Loading @@ -22,6 +22,7 @@ struct module; struct clk; struct clk; struct device; struct device; struct i2c_client; struct i2c_client; struct i3c_device; struct irq_domain; struct irq_domain; struct slim_device; struct slim_device; struct spi_device; struct spi_device; Loading Loading @@ -621,6 +622,10 @@ struct regmap *__devm_regmap_init_slimbus(struct slim_device *slimbus, const struct regmap_config *config, const struct regmap_config *config, struct lock_class_key *lock_key, struct lock_class_key *lock_key, const char *lock_name); const char *lock_name); struct regmap *__devm_regmap_init_i3c(struct i3c_device *i3c, const struct regmap_config *config, struct lock_class_key *lock_key, const char *lock_name); /* /* * Wrapper for regmap_init macros to include a unique lockdep key and name * Wrapper for regmap_init macros to include a unique lockdep key and name * for each call. No-op if CONFIG_LOCKDEP is not set. * for each call. No-op if CONFIG_LOCKDEP is not set. Loading Loading @@ -979,6 +984,21 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg); #define devm_regmap_init_slimbus(slimbus, config) \ #define devm_regmap_init_slimbus(slimbus, config) \ __regmap_lockdep_wrapper(__devm_regmap_init_slimbus, #config, \ __regmap_lockdep_wrapper(__devm_regmap_init_slimbus, #config, \ slimbus, config) slimbus, config) /** * devm_regmap_init_i3c() - Initialise managed register map * * @i3c: Device that will be interacted with * @config: Configuration for register map * * The return value will be an ERR_PTR() on error or a valid pointer * to a struct regmap. The regmap will be automatically freed by the * device management code. */ #define devm_regmap_init_i3c(i3c, config) \ __regmap_lockdep_wrapper(__devm_regmap_init_i3c, #config, \ i3c, config) int regmap_mmio_attach_clk(struct regmap *map, struct clk *clk); int regmap_mmio_attach_clk(struct regmap *map, struct clk *clk); void regmap_mmio_detach_clk(struct regmap *map); void regmap_mmio_detach_clk(struct regmap *map); void regmap_exit(struct regmap *map); void regmap_exit(struct regmap *map); Loading Loading
drivers/base/regmap/Kconfig +5 −1 Original line number Original line Diff line number Diff line Loading @@ -4,7 +4,7 @@ # subsystems should select the appropriate symbols. # subsystems should select the appropriate symbols. config REGMAP config REGMAP default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ) default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ || REGMAP_SCCB || REGMAP_I3C) select IRQ_DOMAIN if REGMAP_IRQ select IRQ_DOMAIN if REGMAP_IRQ bool bool Loading Loading @@ -49,3 +49,7 @@ config REGMAP_SOUNDWIRE config REGMAP_SCCB config REGMAP_SCCB tristate tristate depends on I2C depends on I2C config REGMAP_I3C tristate depends on I3C
drivers/base/regmap/Makefile +1 −0 Original line number Original line Diff line number Diff line Loading @@ -16,3 +16,4 @@ obj-$(CONFIG_REGMAP_IRQ) += regmap-irq.o obj-$(CONFIG_REGMAP_W1) += regmap-w1.o obj-$(CONFIG_REGMAP_W1) += regmap-w1.o obj-$(CONFIG_REGMAP_SOUNDWIRE) += regmap-sdw.o obj-$(CONFIG_REGMAP_SOUNDWIRE) += regmap-sdw.o obj-$(CONFIG_REGMAP_SCCB) += regmap-sccb.o obj-$(CONFIG_REGMAP_SCCB) += regmap-sccb.o obj-$(CONFIG_REGMAP_I3C) += regmap-i3c.o
drivers/base/regmap/regcache-lzo.c +3 −5 Original line number Original line Diff line number Diff line Loading @@ -148,20 +148,18 @@ static int regcache_lzo_init(struct regmap *map) * that register. * that register. */ */ bmp_size = map->num_reg_defaults_raw; bmp_size = map->num_reg_defaults_raw; sync_bmp = kmalloc_array(BITS_TO_LONGS(bmp_size), sizeof(long), sync_bmp = bitmap_zalloc(bmp_size, GFP_KERNEL); GFP_KERNEL); if (!sync_bmp) { if (!sync_bmp) { ret = -ENOMEM; ret = -ENOMEM; goto err; goto err; } } bitmap_zero(sync_bmp, bmp_size); /* allocate the lzo blocks and initialize them */ /* allocate the lzo blocks and initialize them */ for (i = 0; i < blkcount; i++) { for (i = 0; i < blkcount; i++) { lzo_blocks[i] = kzalloc(sizeof **lzo_blocks, lzo_blocks[i] = kzalloc(sizeof **lzo_blocks, GFP_KERNEL); GFP_KERNEL); if (!lzo_blocks[i]) { if (!lzo_blocks[i]) { kfree(sync_bmp); bitmap_free(sync_bmp); ret = -ENOMEM; ret = -ENOMEM; goto err; goto err; } } Loading Loading @@ -213,7 +211,7 @@ static int regcache_lzo_exit(struct regmap *map) * only once. * only once. */ */ if (lzo_blocks[0]) if (lzo_blocks[0]) kfree(lzo_blocks[0]->sync_bmp); bitmap_free(lzo_blocks[0]->sync_bmp); for (i = 0; i < blkcount; i++) { for (i = 0; i < blkcount; i++) { if (lzo_blocks[i]) { if (lzo_blocks[i]) { kfree(lzo_blocks[i]->wmem); kfree(lzo_blocks[i]->wmem); Loading
drivers/base/regmap/regmap-i3c.c 0 → 100644 +60 −0 Original line number Original line Diff line number Diff line // SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2018 Synopsys, Inc. and/or its affiliates. #include <linux/regmap.h> #include <linux/i3c/device.h> #include <linux/i3c/master.h> #include <linux/module.h> static int regmap_i3c_write(void *context, const void *data, size_t count) { struct device *dev = context; struct i3c_device *i3c = dev_to_i3cdev(dev); struct i3c_priv_xfer xfers[] = { { .rnw = false, .len = count, .data.out = data, }, }; return i3c_device_do_priv_xfers(i3c, xfers, 1); } static int regmap_i3c_read(void *context, const void *reg, size_t reg_size, void *val, size_t val_size) { struct device *dev = context; struct i3c_device *i3c = dev_to_i3cdev(dev); struct i3c_priv_xfer xfers[2]; xfers[0].rnw = false; xfers[0].len = reg_size; xfers[0].data.out = reg; xfers[1].rnw = true; xfers[1].len = val_size; xfers[1].data.in = val; return i3c_device_do_priv_xfers(i3c, xfers, 2); } static struct regmap_bus regmap_i3c = { .write = regmap_i3c_write, .read = regmap_i3c_read, }; struct regmap *__devm_regmap_init_i3c(struct i3c_device *i3c, const struct regmap_config *config, struct lock_class_key *lock_key, const char *lock_name) { return __devm_regmap_init(&i3c->dev, ®map_i3c, &i3c->dev, config, lock_key, lock_name); } EXPORT_SYMBOL_GPL(__devm_regmap_init_i3c); MODULE_AUTHOR("Vitor Soares <vitor.soares@synopsys.com>"); MODULE_DESCRIPTION("Regmap I3C Module"); MODULE_LICENSE("GPL v2");
include/linux/regmap.h +20 −0 Original line number Original line Diff line number Diff line Loading @@ -22,6 +22,7 @@ struct module; struct clk; struct clk; struct device; struct device; struct i2c_client; struct i2c_client; struct i3c_device; struct irq_domain; struct irq_domain; struct slim_device; struct slim_device; struct spi_device; struct spi_device; Loading Loading @@ -621,6 +622,10 @@ struct regmap *__devm_regmap_init_slimbus(struct slim_device *slimbus, const struct regmap_config *config, const struct regmap_config *config, struct lock_class_key *lock_key, struct lock_class_key *lock_key, const char *lock_name); const char *lock_name); struct regmap *__devm_regmap_init_i3c(struct i3c_device *i3c, const struct regmap_config *config, struct lock_class_key *lock_key, const char *lock_name); /* /* * Wrapper for regmap_init macros to include a unique lockdep key and name * Wrapper for regmap_init macros to include a unique lockdep key and name * for each call. No-op if CONFIG_LOCKDEP is not set. * for each call. No-op if CONFIG_LOCKDEP is not set. Loading Loading @@ -979,6 +984,21 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg); #define devm_regmap_init_slimbus(slimbus, config) \ #define devm_regmap_init_slimbus(slimbus, config) \ __regmap_lockdep_wrapper(__devm_regmap_init_slimbus, #config, \ __regmap_lockdep_wrapper(__devm_regmap_init_slimbus, #config, \ slimbus, config) slimbus, config) /** * devm_regmap_init_i3c() - Initialise managed register map * * @i3c: Device that will be interacted with * @config: Configuration for register map * * The return value will be an ERR_PTR() on error or a valid pointer * to a struct regmap. The regmap will be automatically freed by the * device management code. */ #define devm_regmap_init_i3c(i3c, config) \ __regmap_lockdep_wrapper(__devm_regmap_init_i3c, #config, \ i3c, config) int regmap_mmio_attach_clk(struct regmap *map, struct clk *clk); int regmap_mmio_attach_clk(struct regmap *map, struct clk *clk); void regmap_mmio_detach_clk(struct regmap *map); void regmap_mmio_detach_clk(struct regmap *map); void regmap_exit(struct regmap *map); void regmap_exit(struct regmap *map); Loading