This patch moves to nvmem support in the driver to use callback
instead of regmap.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
drivers/nvmem/vf610-ocotp.c | 44 ++++++++++----------------------------------
1 file changed, 10 insertions(+), 34 deletions(-)
diff --git a/drivers/nvmem/vf610-ocotp.c b/drivers/nvmem/vf610-ocotp.c
index 8641319..72e4faa 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);
--
2.5.0
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