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| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2016-04-24 20:28:09 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-05-01 14:01:00 -0700 |
| commit | 2c0235c6041857b45f4d2f368efb9866420b6ff2 (patch) | |
| tree | a42961abcfe2f67489795c8c9fd516989b6ece1a /drivers/nvmem/vf610-ocotp.c | |
| parent | 382c62f74f4a50c5e2a85980599dbc76d63c6120 (diff) | |
| download | linux-2c0235c6041857b45f4d2f368efb9866420b6ff2.tar.bz2 | |
nvmem: vif610-ocotp: remove nvmem regmap dependency
This patch moves to nvmem support in the driver to use callback
instead of regmap.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nvmem/vf610-ocotp.c')
| -rw-r--r-- | drivers/nvmem/vf610-ocotp.c | 44 |
1 files changed, 10 insertions, 34 deletions
diff --git a/drivers/nvmem/vf610-ocotp.c b/drivers/nvmem/vf610-ocotp.c index 8641319efeda..72e4faabce29 100644 --- a/drivers/nvmem/vf610-ocotp.c +++ b/drivers/nvmem/vf610-ocotp.c @@ -25,7 +25,6 @@ #include <linux/nvmem-provider.h> #include <linux/of.h> #include <linux/platform_device.h> -#include <linux/regmap.h> #include <linux/slab.h> /* OCOTP Register Offsets */ @@ -152,23 +151,16 @@ static int vf610_get_fuse_address(int base_addr_offset) return -EINVAL; } -static int vf610_ocotp_write(void *context, const void *data, size_t count) -{ - return 0; -} - -static int vf610_ocotp_read(void *context, - const void *off, size_t reg_size, - void *val, size_t val_size) +static int vf610_ocotp_read(void *context, unsigned int offset, + void *val, size_t bytes) { struct vf610_ocotp *ocotp = context; void __iomem *base = ocotp->base; - unsigned int offset = *(u32 *)off; u32 reg, *buf = val; int fuse_addr; int ret; - while (val_size > 0) { + while (bytes > 0) { fuse_addr = vf610_get_fuse_address(offset); if (fuse_addr > 0) { writel(ocotp->timing, base + OCOTP_TIMING); @@ -205,29 +197,19 @@ static int vf610_ocotp_read(void *context, } buf++; - val_size--; - offset += reg_size; + bytes -= 4; + offset += 4; } return 0; } -static struct regmap_bus vf610_ocotp_bus = { - .read = vf610_ocotp_read, - .write = vf610_ocotp_write, - .reg_format_endian_default = REGMAP_ENDIAN_NATIVE, - .val_format_endian_default = REGMAP_ENDIAN_NATIVE, -}; - -static struct regmap_config ocotp_regmap_config = { - .reg_bits = 32, - .val_bits = 32, - .reg_stride = 4, -}; - static struct nvmem_config ocotp_config = { .name = "ocotp", .owner = THIS_MODULE, + .stride = 4, + .word_size = 4, + .reg_read = vf610_ocotp_read, }; static const struct of_device_id ocotp_of_match[] = { @@ -247,7 +229,6 @@ static int vf610_ocotp_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct resource *res; - struct regmap *regmap; struct vf610_ocotp *ocotp_dev; ocotp_dev = devm_kzalloc(&pdev->dev, @@ -267,13 +248,8 @@ static int vf610_ocotp_probe(struct platform_device *pdev) return PTR_ERR(ocotp_dev->clk); } - ocotp_regmap_config.max_register = resource_size(res); - regmap = devm_regmap_init(dev, - &vf610_ocotp_bus, ocotp_dev, &ocotp_regmap_config); - if (IS_ERR(regmap)) { - dev_err(dev, "regmap init failed\n"); - return PTR_ERR(regmap); - } + ocotp_config.size = resource_size(res); + ocotp_config.priv = ocotp_dev; ocotp_config.dev = dev; ocotp_dev->nvmem = nvmem_register(&ocotp_config); |