From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Wolfram Sang <wsa@the-dreams.de>, Srinivas Kandagatla <srinivas.kandagatla@linaro.org>, Maxime Ripard <maxime.ripard@free-electrons.com>, Joachim Eastwood <manabian@gmail.com>, Matthias Brugger <matthias.bgg@gmail.com>, Heiko Stuebner <heiko@sntech.de>, Chen-Yu Tsai <wens@csie.org>, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, Mark Brown <broonie@kernel.org>, andrew@lunn.ch Subject: [PATCH 01/12] nvmem: core: remove regmap dependency Date: Sun, 24 Apr 2016 20:28:05 +0100 [thread overview] Message-ID: <1461526096-29584-2-git-send-email-srinivas.kandagatla@linaro.org> (raw) In-Reply-To: <1461526096-29584-1-git-send-email-srinivas.kandagatla@linaro.org> nvmem uses regmap_raw_read/write apis to read/write data from providers, regmap raw apis stopped working with recent kernels which removed raw accessors on mmio bus. This resulted in broken nvmem for providers which are based on regmap mmio bus. This issue can be fixed temporarly by moving to other regmap apis, but we might hit same issue in future. Moving to interfaces based on read/write callbacks from providers would be more robust. This patch removes regmap dependency from nvmem and introduces read/write callbacks from the providers. Without this patch nvmem providers like qfprom based on regmap mmio bus would not work. Reported-by: Rajendra Nayak <rjendra@qti.qualcomm.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> --- drivers/nvmem/Kconfig | 1 - drivers/nvmem/core.c | 67 +++++++++++++++++++++++++----------------- include/linux/nvmem-provider.h | 10 +++++++ 3 files changed, 50 insertions(+), 28 deletions(-) diff --git a/drivers/nvmem/Kconfig b/drivers/nvmem/Kconfig index ca52952..36f4f4b 100644 --- a/drivers/nvmem/Kconfig +++ b/drivers/nvmem/Kconfig @@ -1,6 +1,5 @@ menuconfig NVMEM tristate "NVMEM Support" - select REGMAP help Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES... diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 0de3d87..bb4ea12 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -23,12 +23,10 @@ #include <linux/nvmem-consumer.h> #include <linux/nvmem-provider.h> #include <linux/of.h> -#include <linux/regmap.h> #include <linux/slab.h> struct nvmem_device { const char *name; - struct regmap *regmap; struct module *owner; struct device dev; int stride; @@ -41,6 +39,9 @@ struct nvmem_device { int flags; struct bin_attribute eeprom; struct device *base_dev; + nvmem_reg_read_t reg_read; + nvmem_reg_write_t reg_write; + void *priv; }; #define FLAG_COMPAT BIT(0) @@ -66,6 +67,23 @@ static struct lock_class_key eeprom_lock_key; #endif #define to_nvmem_device(d) container_of(d, struct nvmem_device, dev) +static int nvmem_reg_read(struct nvmem_device *nvmem, unsigned int offset, + void *val, size_t bytes) +{ + if (nvmem->reg_read) + return nvmem->reg_read(nvmem->priv, offset, val, bytes); + + return -EINVAL; +} + +static int nvmem_reg_write(struct nvmem_device *nvmem, unsigned int offset, + void *val, size_t bytes) +{ + if (nvmem->reg_write) + return nvmem->reg_write(nvmem->priv, offset, val, bytes); + + return -EINVAL; +} static ssize_t bin_attr_nvmem_read(struct file *filp, struct kobject *kobj, struct bin_attribute *attr, @@ -93,7 +111,7 @@ static ssize_t bin_attr_nvmem_read(struct file *filp, struct kobject *kobj, count = round_down(count, nvmem->word_size); - rc = regmap_raw_read(nvmem->regmap, pos, buf, count); + rc = nvmem_reg_read(nvmem, pos, buf, count); if (IS_ERR_VALUE(rc)) return rc; @@ -127,7 +145,7 @@ static ssize_t bin_attr_nvmem_write(struct file *filp, struct kobject *kobj, count = round_down(count, nvmem->word_size); - rc = regmap_raw_write(nvmem->regmap, pos, buf, count); + rc = nvmem_reg_write(nvmem, pos, buf, count); if (IS_ERR_VALUE(rc)) return rc; @@ -421,18 +439,11 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) { struct nvmem_device *nvmem; struct device_node *np; - struct regmap *rm; int rval; if (!config->dev) return ERR_PTR(-EINVAL); - rm = dev_get_regmap(config->dev, NULL); - if (!rm) { - dev_err(config->dev, "Regmap not found\n"); - return ERR_PTR(-EINVAL); - } - nvmem = kzalloc(sizeof(*nvmem), GFP_KERNEL); if (!nvmem) return ERR_PTR(-ENOMEM); @@ -444,14 +455,16 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) } nvmem->id = rval; - nvmem->regmap = rm; nvmem->owner = config->owner; - nvmem->stride = regmap_get_reg_stride(rm); - nvmem->word_size = regmap_get_val_bytes(rm); - nvmem->size = regmap_get_max_register(rm) + nvmem->stride; + nvmem->stride = config->stride; + nvmem->word_size = config->word_size; + nvmem->size = config->size; nvmem->dev.type = &nvmem_provider_type; nvmem->dev.bus = &nvmem_bus_type; nvmem->dev.parent = config->dev; + nvmem->priv = config->priv; + nvmem->reg_read = config->reg_read; + nvmem->reg_write = config->reg_write; np = config->dev->of_node; nvmem->dev.of_node = np; dev_set_name(&nvmem->dev, "%s%d", @@ -948,7 +961,7 @@ static int __nvmem_cell_read(struct nvmem_device *nvmem, { int rc; - rc = regmap_raw_read(nvmem->regmap, cell->offset, buf, cell->bytes); + rc = nvmem_reg_read(nvmem, cell->offset, buf, cell->bytes); if (IS_ERR_VALUE(rc)) return rc; @@ -977,7 +990,7 @@ void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len) u8 *buf; int rc; - if (!nvmem || !nvmem->regmap) + if (!nvmem) return ERR_PTR(-EINVAL); buf = kzalloc(cell->bytes, GFP_KERNEL); @@ -1014,7 +1027,7 @@ static inline void *nvmem_cell_prepare_write_buffer(struct nvmem_cell *cell, *b <<= bit_offset; /* setup the first byte with lsb bits from nvmem */ - rc = regmap_raw_read(nvmem->regmap, cell->offset, &v, 1); + rc = nvmem_reg_read(nvmem, cell->offset, &v, 1); *b++ |= GENMASK(bit_offset - 1, 0) & v; /* setup rest of the byte if any */ @@ -1031,7 +1044,7 @@ static inline void *nvmem_cell_prepare_write_buffer(struct nvmem_cell *cell, /* if it's not end on byte boundary */ if ((nbits + bit_offset) % BITS_PER_BYTE) { /* setup the last byte with msb bits from nvmem */ - rc = regmap_raw_read(nvmem->regmap, + rc = nvmem_reg_read(nvmem, cell->offset + cell->bytes - 1, &v, 1); *p |= GENMASK(7, (nbits + bit_offset) % BITS_PER_BYTE) & v; @@ -1054,7 +1067,7 @@ int nvmem_cell_write(struct nvmem_cell *cell, void *buf, size_t len) struct nvmem_device *nvmem = cell->nvmem; int rc; - if (!nvmem || !nvmem->regmap || nvmem->read_only || + if (!nvmem || nvmem->read_only || (cell->bit_offset == 0 && len != cell->bytes)) return -EINVAL; @@ -1064,7 +1077,7 @@ int nvmem_cell_write(struct nvmem_cell *cell, void *buf, size_t len) return PTR_ERR(buf); } - rc = regmap_raw_write(nvmem->regmap, cell->offset, buf, cell->bytes); + rc = nvmem_reg_write(nvmem, cell->offset, buf, cell->bytes); /* free the tmp buffer */ if (cell->bit_offset || cell->nbits) @@ -1094,7 +1107,7 @@ ssize_t nvmem_device_cell_read(struct nvmem_device *nvmem, int rc; ssize_t len; - if (!nvmem || !nvmem->regmap) + if (!nvmem) return -EINVAL; rc = nvmem_cell_info_to_nvmem_cell(nvmem, info, &cell); @@ -1124,7 +1137,7 @@ int nvmem_device_cell_write(struct nvmem_device *nvmem, struct nvmem_cell cell; int rc; - if (!nvmem || !nvmem->regmap) + if (!nvmem) return -EINVAL; rc = nvmem_cell_info_to_nvmem_cell(nvmem, info, &cell); @@ -1152,10 +1165,10 @@ int nvmem_device_read(struct nvmem_device *nvmem, { int rc; - if (!nvmem || !nvmem->regmap) + if (!nvmem) return -EINVAL; - rc = regmap_raw_read(nvmem->regmap, offset, buf, bytes); + rc = nvmem_reg_read(nvmem, offset, buf, bytes); if (IS_ERR_VALUE(rc)) return rc; @@ -1180,10 +1193,10 @@ int nvmem_device_write(struct nvmem_device *nvmem, { int rc; - if (!nvmem || !nvmem->regmap) + if (!nvmem) return -EINVAL; - rc = regmap_raw_write(nvmem->regmap, offset, buf, bytes); + rc = nvmem_reg_write(nvmem, offset, buf, bytes); if (IS_ERR_VALUE(rc)) return rc; diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h index a4fcc90..cd93416 100644 --- a/include/linux/nvmem-provider.h +++ b/include/linux/nvmem-provider.h @@ -14,6 +14,10 @@ struct nvmem_device; struct nvmem_cell_info; +typedef int (*nvmem_reg_read_t)(void *priv, unsigned int offset, + void *val, size_t bytes); +typedef int (*nvmem_reg_write_t)(void *priv, unsigned int offset, + void *val, size_t bytes); struct nvmem_config { struct device *dev; @@ -24,6 +28,12 @@ struct nvmem_config { int ncells; bool read_only; bool root_only; + nvmem_reg_read_t reg_read; + nvmem_reg_write_t reg_write; + int size; + int word_size; + int stride; + void *priv; /* To be only used by old driver/misc/eeprom drivers */ bool compat; struct device *base_dev; -- 2.5.0
WARNING: multiple messages have this Message-ID (diff)
From: srinivas.kandagatla@linaro.org (Srinivas Kandagatla) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 01/12] nvmem: core: remove regmap dependency Date: Sun, 24 Apr 2016 20:28:05 +0100 [thread overview] Message-ID: <1461526096-29584-2-git-send-email-srinivas.kandagatla@linaro.org> (raw) In-Reply-To: <1461526096-29584-1-git-send-email-srinivas.kandagatla@linaro.org> nvmem uses regmap_raw_read/write apis to read/write data from providers, regmap raw apis stopped working with recent kernels which removed raw accessors on mmio bus. This resulted in broken nvmem for providers which are based on regmap mmio bus. This issue can be fixed temporarly by moving to other regmap apis, but we might hit same issue in future. Moving to interfaces based on read/write callbacks from providers would be more robust. This patch removes regmap dependency from nvmem and introduces read/write callbacks from the providers. Without this patch nvmem providers like qfprom based on regmap mmio bus would not work. Reported-by: Rajendra Nayak <rjendra@qti.qualcomm.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> --- drivers/nvmem/Kconfig | 1 - drivers/nvmem/core.c | 67 +++++++++++++++++++++++++----------------- include/linux/nvmem-provider.h | 10 +++++++ 3 files changed, 50 insertions(+), 28 deletions(-) diff --git a/drivers/nvmem/Kconfig b/drivers/nvmem/Kconfig index ca52952..36f4f4b 100644 --- a/drivers/nvmem/Kconfig +++ b/drivers/nvmem/Kconfig @@ -1,6 +1,5 @@ menuconfig NVMEM tristate "NVMEM Support" - select REGMAP help Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES... diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 0de3d87..bb4ea12 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -23,12 +23,10 @@ #include <linux/nvmem-consumer.h> #include <linux/nvmem-provider.h> #include <linux/of.h> -#include <linux/regmap.h> #include <linux/slab.h> struct nvmem_device { const char *name; - struct regmap *regmap; struct module *owner; struct device dev; int stride; @@ -41,6 +39,9 @@ struct nvmem_device { int flags; struct bin_attribute eeprom; struct device *base_dev; + nvmem_reg_read_t reg_read; + nvmem_reg_write_t reg_write; + void *priv; }; #define FLAG_COMPAT BIT(0) @@ -66,6 +67,23 @@ static struct lock_class_key eeprom_lock_key; #endif #define to_nvmem_device(d) container_of(d, struct nvmem_device, dev) +static int nvmem_reg_read(struct nvmem_device *nvmem, unsigned int offset, + void *val, size_t bytes) +{ + if (nvmem->reg_read) + return nvmem->reg_read(nvmem->priv, offset, val, bytes); + + return -EINVAL; +} + +static int nvmem_reg_write(struct nvmem_device *nvmem, unsigned int offset, + void *val, size_t bytes) +{ + if (nvmem->reg_write) + return nvmem->reg_write(nvmem->priv, offset, val, bytes); + + return -EINVAL; +} static ssize_t bin_attr_nvmem_read(struct file *filp, struct kobject *kobj, struct bin_attribute *attr, @@ -93,7 +111,7 @@ static ssize_t bin_attr_nvmem_read(struct file *filp, struct kobject *kobj, count = round_down(count, nvmem->word_size); - rc = regmap_raw_read(nvmem->regmap, pos, buf, count); + rc = nvmem_reg_read(nvmem, pos, buf, count); if (IS_ERR_VALUE(rc)) return rc; @@ -127,7 +145,7 @@ static ssize_t bin_attr_nvmem_write(struct file *filp, struct kobject *kobj, count = round_down(count, nvmem->word_size); - rc = regmap_raw_write(nvmem->regmap, pos, buf, count); + rc = nvmem_reg_write(nvmem, pos, buf, count); if (IS_ERR_VALUE(rc)) return rc; @@ -421,18 +439,11 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) { struct nvmem_device *nvmem; struct device_node *np; - struct regmap *rm; int rval; if (!config->dev) return ERR_PTR(-EINVAL); - rm = dev_get_regmap(config->dev, NULL); - if (!rm) { - dev_err(config->dev, "Regmap not found\n"); - return ERR_PTR(-EINVAL); - } - nvmem = kzalloc(sizeof(*nvmem), GFP_KERNEL); if (!nvmem) return ERR_PTR(-ENOMEM); @@ -444,14 +455,16 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) } nvmem->id = rval; - nvmem->regmap = rm; nvmem->owner = config->owner; - nvmem->stride = regmap_get_reg_stride(rm); - nvmem->word_size = regmap_get_val_bytes(rm); - nvmem->size = regmap_get_max_register(rm) + nvmem->stride; + nvmem->stride = config->stride; + nvmem->word_size = config->word_size; + nvmem->size = config->size; nvmem->dev.type = &nvmem_provider_type; nvmem->dev.bus = &nvmem_bus_type; nvmem->dev.parent = config->dev; + nvmem->priv = config->priv; + nvmem->reg_read = config->reg_read; + nvmem->reg_write = config->reg_write; np = config->dev->of_node; nvmem->dev.of_node = np; dev_set_name(&nvmem->dev, "%s%d", @@ -948,7 +961,7 @@ static int __nvmem_cell_read(struct nvmem_device *nvmem, { int rc; - rc = regmap_raw_read(nvmem->regmap, cell->offset, buf, cell->bytes); + rc = nvmem_reg_read(nvmem, cell->offset, buf, cell->bytes); if (IS_ERR_VALUE(rc)) return rc; @@ -977,7 +990,7 @@ void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len) u8 *buf; int rc; - if (!nvmem || !nvmem->regmap) + if (!nvmem) return ERR_PTR(-EINVAL); buf = kzalloc(cell->bytes, GFP_KERNEL); @@ -1014,7 +1027,7 @@ static inline void *nvmem_cell_prepare_write_buffer(struct nvmem_cell *cell, *b <<= bit_offset; /* setup the first byte with lsb bits from nvmem */ - rc = regmap_raw_read(nvmem->regmap, cell->offset, &v, 1); + rc = nvmem_reg_read(nvmem, cell->offset, &v, 1); *b++ |= GENMASK(bit_offset - 1, 0) & v; /* setup rest of the byte if any */ @@ -1031,7 +1044,7 @@ static inline void *nvmem_cell_prepare_write_buffer(struct nvmem_cell *cell, /* if it's not end on byte boundary */ if ((nbits + bit_offset) % BITS_PER_BYTE) { /* setup the last byte with msb bits from nvmem */ - rc = regmap_raw_read(nvmem->regmap, + rc = nvmem_reg_read(nvmem, cell->offset + cell->bytes - 1, &v, 1); *p |= GENMASK(7, (nbits + bit_offset) % BITS_PER_BYTE) & v; @@ -1054,7 +1067,7 @@ int nvmem_cell_write(struct nvmem_cell *cell, void *buf, size_t len) struct nvmem_device *nvmem = cell->nvmem; int rc; - if (!nvmem || !nvmem->regmap || nvmem->read_only || + if (!nvmem || nvmem->read_only || (cell->bit_offset == 0 && len != cell->bytes)) return -EINVAL; @@ -1064,7 +1077,7 @@ int nvmem_cell_write(struct nvmem_cell *cell, void *buf, size_t len) return PTR_ERR(buf); } - rc = regmap_raw_write(nvmem->regmap, cell->offset, buf, cell->bytes); + rc = nvmem_reg_write(nvmem, cell->offset, buf, cell->bytes); /* free the tmp buffer */ if (cell->bit_offset || cell->nbits) @@ -1094,7 +1107,7 @@ ssize_t nvmem_device_cell_read(struct nvmem_device *nvmem, int rc; ssize_t len; - if (!nvmem || !nvmem->regmap) + if (!nvmem) return -EINVAL; rc = nvmem_cell_info_to_nvmem_cell(nvmem, info, &cell); @@ -1124,7 +1137,7 @@ int nvmem_device_cell_write(struct nvmem_device *nvmem, struct nvmem_cell cell; int rc; - if (!nvmem || !nvmem->regmap) + if (!nvmem) return -EINVAL; rc = nvmem_cell_info_to_nvmem_cell(nvmem, info, &cell); @@ -1152,10 +1165,10 @@ int nvmem_device_read(struct nvmem_device *nvmem, { int rc; - if (!nvmem || !nvmem->regmap) + if (!nvmem) return -EINVAL; - rc = regmap_raw_read(nvmem->regmap, offset, buf, bytes); + rc = nvmem_reg_read(nvmem, offset, buf, bytes); if (IS_ERR_VALUE(rc)) return rc; @@ -1180,10 +1193,10 @@ int nvmem_device_write(struct nvmem_device *nvmem, { int rc; - if (!nvmem || !nvmem->regmap) + if (!nvmem) return -EINVAL; - rc = regmap_raw_write(nvmem->regmap, offset, buf, bytes); + rc = nvmem_reg_write(nvmem, offset, buf, bytes); if (IS_ERR_VALUE(rc)) return rc; diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h index a4fcc90..cd93416 100644 --- a/include/linux/nvmem-provider.h +++ b/include/linux/nvmem-provider.h @@ -14,6 +14,10 @@ struct nvmem_device; struct nvmem_cell_info; +typedef int (*nvmem_reg_read_t)(void *priv, unsigned int offset, + void *val, size_t bytes); +typedef int (*nvmem_reg_write_t)(void *priv, unsigned int offset, + void *val, size_t bytes); struct nvmem_config { struct device *dev; @@ -24,6 +28,12 @@ struct nvmem_config { int ncells; bool read_only; bool root_only; + nvmem_reg_read_t reg_read; + nvmem_reg_write_t reg_write; + int size; + int word_size; + int stride; + void *priv; /* To be only used by old driver/misc/eeprom drivers */ bool compat; struct device *base_dev; -- 2.5.0
next prev parent reply other threads:[~2016-04-24 19:28 UTC|newest] Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-04-24 19:28 [PATCH 00/12] nvmem: remove regmap dependency Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla [this message] 2016-04-24 19:28 ` [PATCH 01/12] nvmem: core: " Srinivas Kandagatla 2016-04-24 19:28 ` [PATCH 02/12] eeprom: at24: remove nvmem " Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-05-02 7:32 ` Wolfram Sang 2016-05-02 7:32 ` Wolfram Sang 2016-05-02 7:32 ` Wolfram Sang 2016-05-04 1:32 ` Andrew Lunn 2016-05-04 1:32 ` Andrew Lunn 2016-04-24 19:28 ` [PATCH 03/12] eeprom: at25: " Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` [PATCH 04/12] nvmem: qfprom: " Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` [PATCH 05/12] nvmem: vif610-ocotp: " Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-27 5:36 ` maitysanchayan 2016-04-27 5:36 ` maitysanchayan at gmail.com 2016-04-24 19:28 ` [PATCH 06/12] nvmem: sunxi-sid: " Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` [PATCH 07/12] nvmem: rockchip-efuse: " Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` [PATCH 08/12] nvmem: mtk-efuse: " Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-27 6:30 ` andrew-ct chen 2016-04-27 6:30 ` andrew-ct chen 2016-04-27 6:30 ` andrew-ct chen 2016-05-01 21:01 ` Greg Kroah-Hartman 2016-05-01 21:01 ` Greg Kroah-Hartman 2016-04-24 19:28 ` [PATCH 09/12] nvmem: imx-ocotp: " Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` [PATCH 10/12] nvmem: lpc18xx-eeprom: " Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-24 19:28 ` [PATCH 11/12] nvmem: mxs-ocotp: " Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla 2016-04-28 6:50 ` Stefan Wahren 2016-04-28 6:50 ` Stefan Wahren 2016-04-28 6:50 ` Stefan Wahren 2016-04-24 19:28 ` [PATCH 12/12] nvmem: 93xx46: " Srinivas Kandagatla 2016-04-24 19:28 ` Srinivas Kandagatla
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