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No functionality change. Signed-off-by: Pankaj Gupta Reviewed-by: Frank Li --- drivers/firmware/imx/ele_base_msg.c | 10 +++++----- drivers/firmware/imx/ele_common.c | 3 ++- drivers/firmware/imx/ele_common.h | 2 +- drivers/firmware/imx/se_ctrl.c | 31 +++++++++++++++++++++++++++++++ drivers/firmware/imx/se_ctrl.h | 8 ++++++++ 5 files changed, 47 insertions(+), 7 deletions(-) diff --git a/drivers/firmware/imx/ele_base_msg.c b/drivers/firmware/imx/ele= _base_msg.c index 3839c93f8212..c07c21f1fbbd 100644 --- a/drivers/firmware/imx/ele_base_msg.c +++ b/drivers/firmware/imx/ele_base_msg.c @@ -62,7 +62,7 @@ int ele_get_info(struct se_if_priv *priv, struct ele_dev_= info *s_info) tx_msg->data[0] =3D upper_32_bits(get_info_addr); tx_msg->data[1] =3D lower_32_bits(get_info_addr); tx_msg->data[2] =3D sizeof(*s_info); - ret =3D ele_msg_send_rcv(priv, + ret =3D ele_msg_send_rcv(priv->priv_dev_ctx, tx_msg, ELE_GET_INFO_REQ_MSG_SZ, rx_msg, @@ -122,7 +122,7 @@ int ele_ping(struct se_if_priv *priv) return ret; } =20 - ret =3D ele_msg_send_rcv(priv, + ret =3D ele_msg_send_rcv(priv->priv_dev_ctx, tx_msg, ELE_PING_REQ_SZ, rx_msg, @@ -174,7 +174,7 @@ int ele_service_swap(struct se_if_priv *priv, if (!tx_msg->data[4]) return -EINVAL; =20 - ret =3D ele_msg_send_rcv(priv, + ret =3D ele_msg_send_rcv(priv->priv_dev_ctx, tx_msg, ELE_SERVICE_SWAP_REQ_MSG_SZ, rx_msg, @@ -227,7 +227,7 @@ int ele_fw_authenticate(struct se_if_priv *priv, phys_a= ddr_t addr) tx_msg->data[0] =3D lower_32_bits(addr); tx_msg->data[2] =3D addr; =20 - ret =3D ele_msg_send_rcv(priv, + ret =3D ele_msg_send_rcv(priv->priv_dev_ctx, tx_msg, ELE_FW_AUTH_REQ_SZ, rx_msg, @@ -275,7 +275,7 @@ int ele_debug_dump(struct se_if_priv *priv) do { memset(rx_msg, 0x0, ELE_DEBUG_DUMP_RSP_SZ); =20 - ret =3D ele_msg_send_rcv(priv, + ret =3D ele_msg_send_rcv(priv->priv_dev_ctx, tx_msg, ELE_DEBUG_DUMP_REQ_SZ, rx_msg, diff --git a/drivers/firmware/imx/ele_common.c b/drivers/firmware/imx/ele_c= ommon.c index be4dabeeb64c..f75a8237e353 100644 --- a/drivers/firmware/imx/ele_common.c +++ b/drivers/firmware/imx/ele_common.c @@ -89,12 +89,13 @@ int ele_msg_send(struct se_if_priv *priv, } =20 /* API used for send/receive blocking call. */ -int ele_msg_send_rcv(struct se_if_priv *priv, +int ele_msg_send_rcv(struct se_if_device_ctx *dev_ctx, void *tx_msg, int tx_msg_sz, void *rx_msg, int exp_rx_msg_sz) { + struct se_if_priv *priv =3D dev_ctx->priv; int err; =20 guard(mutex)(&priv->se_if_cmd_lock); diff --git a/drivers/firmware/imx/ele_common.h b/drivers/firmware/imx/ele_c= ommon.h index c95e45123b5b..a6bf93f0048f 100644 --- a/drivers/firmware/imx/ele_common.h +++ b/drivers/firmware/imx/ele_common.h @@ -18,7 +18,7 @@ int ele_msg_rcv(struct se_if_priv *priv, int ele_msg_send(struct se_if_priv *priv, void *tx_msg, int tx_msg_sz); -int ele_msg_send_rcv(struct se_if_priv *priv, +int ele_msg_send_rcv(struct se_if_device_ctx *dev_ctx, void *tx_msg, int tx_msg_sz, void *rx_msg, diff --git a/drivers/firmware/imx/se_ctrl.c b/drivers/firmware/imx/se_ctrl.c index be381980fec0..144a727bbfe0 100644 --- a/drivers/firmware/imx/se_ctrl.c +++ b/drivers/firmware/imx/se_ctrl.c @@ -191,6 +191,31 @@ static int get_se_soc_info(struct se_if_priv *priv, co= nst struct se_soc_info *se return 0; } =20 +static int init_misc_device_context(struct se_if_priv *priv, int ch_id, + struct se_if_device_ctx **new_dev_ctx) +{ + struct se_if_device_ctx *dev_ctx; + int ret =3D 0; + + dev_ctx =3D devm_kzalloc(priv->dev, sizeof(*dev_ctx), GFP_KERNEL); + + if (!dev_ctx) + return -ENOMEM; + + dev_ctx->priv =3D priv; + + dev_ctx->devname =3D devm_kasprintf(priv->dev, GFP_KERNEL, "%s%d_ch%d", + SE_TYPE_STR_HSM, + priv->if_defs->se_instance_id, + ch_id); + if (!dev_ctx->devname) + return -ENOMEM; + + *new_dev_ctx =3D dev_ctx; + + return ret; +} + /* interface for managed res to free a mailbox channel */ static void if_mbox_free_channel(void *mbox_chan) { @@ -317,6 +342,12 @@ static int se_if_probe(struct platform_device *pdev) "Failed to init reserved memory region."); } =20 + ret =3D init_misc_device_context(priv, 0, &priv->priv_dev_ctx); + if (ret) + return dev_err_probe(dev, ret, + "Failed[0x%x] to create device contexts.", + ret); + if (if_node->if_defs.se_if_type =3D=3D SE_TYPE_ID_HSM) { ret =3D get_se_soc_info(priv, se_info); if (ret) diff --git a/drivers/firmware/imx/se_ctrl.h b/drivers/firmware/imx/se_ctrl.h index 177623f3890e..f0893c5c9145 100644 --- a/drivers/firmware/imx/se_ctrl.h +++ b/drivers/firmware/imx/se_ctrl.h @@ -35,6 +35,12 @@ struct se_imem_buf { u32 state; }; =20 +/* Private struct for each char device instance. */ +struct se_if_device_ctx { + struct se_if_priv *priv; + const char *devname; +}; + /* Header of the messages exchange with the EdgeLock Enclave */ struct se_msg_hdr { u8 ver; @@ -79,6 +85,8 @@ struct se_if_priv { =20 struct gen_pool *mem_pool; const struct se_if_defines *if_defs; + + struct se_if_device_ctx *priv_dev_ctx; }; =20 #endif --=20 2.43.0