Commit 8a00fc60 authored by Alexander Stein's avatar Alexander Stein Committed by Greg Kroah-Hartman
Browse files

nvmem: imx-ocotp: Reverse MAC addresses on all i.MX derivates 



Not just i.MX8M, but all i.MX6/7 (and subtypes) need to reverse the
MAC address read from fuses. Exceptions are i.MX6SLL and i.MX7ULP which
do not support ethernet at all.

Fixes: d0221a78 ("nvmem: imx-ocotp: add support for post processing")
Signed-off-by: default avatarAlexander Stein <alexander.stein@ew.tq-group.com>
Tested-by: Richard Leitner <richard.leitner@skidata.com> # imx6q
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Message-ID: <20230611140330.154222-3-srinivas.kandagatla@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent eebc6573

drivers/nvmem/imx-ocotp.c

+1 −7
Original line number Diff line number Diff line
@@ -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)
@@ -545,7 +544,6 @@ 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 = {
@@ -553,7 +551,6 @@ 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 = {
@@ -561,7 +558,6 @@ 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 = {
@@ -569,7 +565,6 @@ 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[] = {
@@ -624,7 +619,6 @@ static int imx_ocotp_probe(struct platform_device *pdev) 
	imx_ocotp_nvmem_config.size = 4 * priv->params->nregs;

	imx_ocotp_nvmem_config.dev = dev;

	imx_ocotp_nvmem_config.priv = priv;

	if (priv->params->reverse_mac_address)

	imx_ocotp_nvmem_config.layout = &imx_ocotp_layout;



	priv->config = &imx_ocotp_nvmem_config;