diff options
Diffstat (limited to 'drivers/nvmem/imx-ocotp.c')
| -rw-r--r-- | drivers/nvmem/imx-ocotp.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c index 14284e866f26..7bf7656d4f96 100644 --- a/drivers/nvmem/imx-ocotp.c +++ b/drivers/nvmem/imx-ocotp.c @@ -20,10 +20,10 @@ #include <linux/module.h> #include <linux/nvmem-provider.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/delay.h> +#include <linux/if_ether.h> /* ETH_ALEN */ #define IMX_OCOTP_OFFSET_B0W0 0x400 /* Offset from base address of the * OTP Bank0 Word0 @@ -97,7 +97,6 @@ struct ocotp_params { unsigned int bank_address_words; void (*set_timing)(struct ocotp_priv *priv); struct ocotp_ctrl_reg ctrl; - bool reverse_mac_address; }; static int imx_ocotp_wait_for_busy(struct ocotp_priv *priv, u32 flags) @@ -222,20 +221,17 @@ read_end: return ret; } -static int imx_ocotp_cell_pp(void *context, const char *id, unsigned int offset, - void *data, size_t bytes) +static int imx_ocotp_cell_pp(void *context, const char *id, int index, + unsigned int offset, void *data, size_t bytes) { - struct ocotp_priv *priv = context; + u8 *buf = data; + int i; /* Deal with some post processing of nvmem cell data */ if (id && !strcmp(id, "mac-address")) { - if (priv->params->reverse_mac_address) { - u8 *buf = data; - int i; - - for (i = 0; i < bytes/2; i++) - swap(buf[i], buf[bytes - i - 1]); - } + bytes = min(bytes, ETH_ALEN); + for (i = 0; i < bytes / 2; i++) + swap(buf[i], buf[bytes - i - 1]); } return 0; @@ -488,7 +484,6 @@ static struct nvmem_config imx_ocotp_nvmem_config = { .stride = 1, .reg_read = imx_ocotp_read, .reg_write = imx_ocotp_write, - .cell_post_process = imx_ocotp_cell_pp, }; static const struct ocotp_params imx6q_params = { @@ -506,7 +501,7 @@ static const struct ocotp_params imx6sl_params = { }; static const struct ocotp_params imx6sll_params = { - .nregs = 128, + .nregs = 80, .bank_address_words = 0, .set_timing = imx_ocotp_set_imx6_timing, .ctrl = IMX_OCOTP_BM_CTRL_DEFAULT, @@ -520,14 +515,14 @@ static const struct ocotp_params imx6sx_params = { }; static const struct ocotp_params imx6ul_params = { - .nregs = 128, + .nregs = 144, .bank_address_words = 0, .set_timing = imx_ocotp_set_imx6_timing, .ctrl = IMX_OCOTP_BM_CTRL_DEFAULT, }; static const struct ocotp_params imx6ull_params = { - .nregs = 64, + .nregs = 80, .bank_address_words = 0, .set_timing = imx_ocotp_set_imx6_timing, .ctrl = IMX_OCOTP_BM_CTRL_DEFAULT, @@ -551,7 +546,6 @@ static const struct ocotp_params imx8mq_params = { .bank_address_words = 0, .set_timing = imx_ocotp_set_imx6_timing, .ctrl = IMX_OCOTP_BM_CTRL_DEFAULT, - .reverse_mac_address = true, }; static const struct ocotp_params imx8mm_params = { @@ -559,7 +553,6 @@ static const struct ocotp_params imx8mm_params = { .bank_address_words = 0, .set_timing = imx_ocotp_set_imx6_timing, .ctrl = IMX_OCOTP_BM_CTRL_DEFAULT, - .reverse_mac_address = true, }; static const struct ocotp_params imx8mn_params = { @@ -567,7 +560,6 @@ static const struct ocotp_params imx8mn_params = { .bank_address_words = 0, .set_timing = imx_ocotp_set_imx6_timing, .ctrl = IMX_OCOTP_BM_CTRL_DEFAULT, - .reverse_mac_address = true, }; static const struct ocotp_params imx8mp_params = { @@ -575,7 +567,6 @@ static const struct ocotp_params imx8mp_params = { .bank_address_words = 0, .set_timing = imx_ocotp_set_imx6_timing, .ctrl = IMX_OCOTP_BM_CTRL_8MP, - .reverse_mac_address = true, }; static const struct of_device_id imx_ocotp_dt_ids[] = { @@ -595,6 +586,12 @@ static const struct of_device_id imx_ocotp_dt_ids[] = { }; MODULE_DEVICE_TABLE(of, imx_ocotp_dt_ids); +static void imx_ocotp_fixup_dt_cell_info(struct nvmem_device *nvmem, + struct nvmem_cell_info *cell) +{ + cell->read_post_process = imx_ocotp_cell_pp; +} + static int imx_ocotp_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -616,9 +613,12 @@ static int imx_ocotp_probe(struct platform_device *pdev) return PTR_ERR(priv->clk); priv->params = of_device_get_match_data(&pdev->dev); + imx_ocotp_nvmem_config.add_legacy_fixed_of_cells = true; imx_ocotp_nvmem_config.size = 4 * priv->params->nregs; imx_ocotp_nvmem_config.dev = dev; imx_ocotp_nvmem_config.priv = priv; + imx_ocotp_nvmem_config.fixup_dt_cell_info = &imx_ocotp_fixup_dt_cell_info; + priv->config = &imx_ocotp_nvmem_config; clk_prepare_enable(priv->clk); |