diff options
Diffstat (limited to 'drivers/nfc')
32 files changed, 122 insertions, 114 deletions
diff --git a/drivers/nfc/microread/i2c.c b/drivers/nfc/microread/i2c.c index 642df4e0ce24..113b2e306e35 100644 --- a/drivers/nfc/microread/i2c.c +++ b/drivers/nfc/microread/i2c.c @@ -277,7 +277,7 @@ static void microread_i2c_remove(struct i2c_client *client) } static const struct i2c_device_id microread_i2c_id[] = { - { MICROREAD_I2C_DRIVER_NAME, 0}, + { MICROREAD_I2C_DRIVER_NAME }, { } }; MODULE_DEVICE_TABLE(i2c, microread_i2c_id); diff --git a/drivers/nfc/nfcmrvl/fw_dnld.c b/drivers/nfc/nfcmrvl/fw_dnld.c index e83f65596a88..a9b03dcc4100 100644 --- a/drivers/nfc/nfcmrvl/fw_dnld.c +++ b/drivers/nfc/nfcmrvl/fw_dnld.c @@ -6,7 +6,7 @@ */ #include <linux/module.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/firmware.h> #include <linux/nfc.h> #include <net/nfc/nci.h> @@ -102,10 +102,10 @@ static void fw_dnld_over(struct nfcmrvl_private *priv, u32 error) atomic_set(&priv->ndev->cmd_cnt, 0); if (timer_pending(&priv->ndev->cmd_timer)) - del_timer_sync(&priv->ndev->cmd_timer); + timer_delete_sync(&priv->ndev->cmd_timer); if (timer_pending(&priv->fw_dnld.timer)) - del_timer_sync(&priv->fw_dnld.timer); + timer_delete_sync(&priv->fw_dnld.timer); nfc_info(priv->dev, "FW loading over (%d)]\n", error); @@ -119,7 +119,8 @@ static void fw_dnld_over(struct nfcmrvl_private *priv, u32 error) static void fw_dnld_timeout(struct timer_list *t) { - struct nfcmrvl_private *priv = from_timer(priv, t, fw_dnld.timer); + struct nfcmrvl_private *priv = timer_container_of(priv, t, + fw_dnld.timer); nfc_err(priv->dev, "FW loading timeout"); priv->fw_dnld.state = STATE_RESET; @@ -464,7 +465,7 @@ void nfcmrvl_fw_dnld_recv_frame(struct nfcmrvl_private *priv, { /* Discard command timer */ if (timer_pending(&priv->ndev->cmd_timer)) - del_timer_sync(&priv->ndev->cmd_timer); + timer_delete_sync(&priv->ndev->cmd_timer); /* Allow next command */ atomic_set(&priv->ndev->cmd_cnt, 1); diff --git a/drivers/nfc/nfcmrvl/i2c.c b/drivers/nfc/nfcmrvl/i2c.c index 74553134c1b1..39ecf2aeda80 100644 --- a/drivers/nfc/nfcmrvl/i2c.c +++ b/drivers/nfc/nfcmrvl/i2c.c @@ -252,7 +252,7 @@ static const struct of_device_id of_nfcmrvl_i2c_match[] __maybe_unused = { MODULE_DEVICE_TABLE(of, of_nfcmrvl_i2c_match); static const struct i2c_device_id nfcmrvl_i2c_id_table[] = { - { "nfcmrvl_i2c", 0 }, + { "nfcmrvl_i2c" }, {} }; MODULE_DEVICE_TABLE(i2c, nfcmrvl_i2c_id_table); diff --git a/drivers/nfc/nfcmrvl/spi.c b/drivers/nfc/nfcmrvl/spi.c index ad3359a4942c..9c8cde1250fb 100644 --- a/drivers/nfc/nfcmrvl/spi.c +++ b/drivers/nfc/nfcmrvl/spi.c @@ -199,7 +199,6 @@ static struct spi_driver nfcmrvl_spi_driver = { .id_table = nfcmrvl_spi_id_table, .driver = { .name = "nfcmrvl_spi", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(of_nfcmrvl_spi_match), }, }; diff --git a/drivers/nfc/nfcmrvl/uart.c b/drivers/nfc/nfcmrvl/uart.c index 956ae92f7573..2037cd6d4f4f 100644 --- a/drivers/nfc/nfcmrvl/uart.c +++ b/drivers/nfc/nfcmrvl/uart.c @@ -5,11 +5,16 @@ * Copyright (C) 2015, Marvell International Ltd. */ -#include <linux/module.h> #include <linux/delay.h> -#include <linux/of_gpio.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/printk.h> + #include <net/nfc/nci.h> #include <net/nfc/nci_core.h> + #include "nfcmrvl.h" static unsigned int hci_muxed; diff --git a/drivers/nfc/nxp-nci/firmware.c b/drivers/nfc/nxp-nci/firmware.c index 119bf305c642..381b5bb75477 100644 --- a/drivers/nfc/nxp-nci/firmware.c +++ b/drivers/nfc/nxp-nci/firmware.c @@ -13,7 +13,7 @@ #include <linux/completion.h> #include <linux/firmware.h> #include <linux/nfc.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include "nxp-nci.h" diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c index 3ae4b41c59ac..049662ffdf97 100644 --- a/drivers/nfc/nxp-nci/i2c.c +++ b/drivers/nfc/nxp-nci/i2c.c @@ -19,7 +19,7 @@ #include <linux/module.h> #include <linux/nfc.h> #include <linux/gpio/consumer.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <net/nfc/nfc.h> @@ -322,7 +322,7 @@ static void nxp_nci_i2c_remove(struct i2c_client *client) } static const struct i2c_device_id nxp_nci_i2c_id_table[] = { - {"nxp-nci_i2c", 0}, + { "nxp-nci_i2c" }, {} }; MODULE_DEVICE_TABLE(i2c, nxp_nci_i2c_id_table); diff --git a/drivers/nfc/pn533/i2c.c b/drivers/nfc/pn533/i2c.c index 438ab9553f7a..132c050a365d 100644 --- a/drivers/nfc/pn533/i2c.c +++ b/drivers/nfc/pn533/i2c.c @@ -249,7 +249,7 @@ static const struct of_device_id of_pn533_i2c_match[] __maybe_unused = { MODULE_DEVICE_TABLE(of, of_pn533_i2c_match); static const struct i2c_device_id pn533_i2c_id_table[] = { - { PN533_I2C_DRIVER_NAME, 0 }, + { PN533_I2C_DRIVER_NAME }, {} }; MODULE_DEVICE_TABLE(i2c, pn533_i2c_id_table); diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c index b19c39dcfbd9..14661249c690 100644 --- a/drivers/nfc/pn533/pn533.c +++ b/drivers/nfc/pn533/pn533.c @@ -1233,7 +1233,7 @@ static int pn533_init_target_complete(struct pn533 *dev, struct sk_buff *resp) static void pn533_listen_mode_timer(struct timer_list *t) { - struct pn533 *dev = from_timer(dev, t, listen_timer); + struct pn533 *dev = timer_container_of(dev, t, listen_timer); dev->cancel_listen = 1; @@ -1515,7 +1515,7 @@ static int pn533_poll_complete(struct pn533 *dev, void *arg, cur_mod = dev->poll_mod_active[dev->poll_mod_curr]; if (cur_mod->len == 0) { /* Target mode */ - del_timer(&dev->listen_timer); + timer_delete(&dev->listen_timer); rc = pn533_init_target_complete(dev, resp); goto done; } @@ -1723,6 +1723,11 @@ static int pn533_start_poll(struct nfc_dev *nfc_dev, } pn533_poll_create_mod_list(dev, im_protocols, tm_protocols); + if (!dev->poll_mod_count) { + nfc_err(dev->dev, + "Poll mod list is empty\n"); + return -EINVAL; + } /* Do not always start polling from the same modulation */ get_random_bytes(&rand_mod, sizeof(rand_mod)); @@ -1744,7 +1749,7 @@ static void pn533_stop_poll(struct nfc_dev *nfc_dev) { struct pn533 *dev = nfc_get_drvdata(nfc_dev); - del_timer(&dev->listen_timer); + timer_delete(&dev->listen_timer); if (!dev->poll_mod_count) { dev_dbg(dev->dev, diff --git a/drivers/nfc/pn533/uart.c b/drivers/nfc/pn533/uart.c index 2eb5978bd79e..a081bce61c29 100644 --- a/drivers/nfc/pn533/uart.c +++ b/drivers/nfc/pn533/uart.c @@ -133,7 +133,7 @@ static const struct pn533_phy_ops uart_phy_ops = { static void pn532_cmd_timeout(struct timer_list *t) { - struct pn532_uart_phy *dev = from_timer(dev, t, cmd_timeout); + struct pn532_uart_phy *dev = timer_container_of(dev, t, cmd_timeout); pn532_uart_send_frame(dev->priv, dev->cur_out_buf); } @@ -203,13 +203,13 @@ static int pn532_uart_rx_is_frame(struct sk_buff *skb) return 0; } -static ssize_t pn532_receive_buf(struct serdev_device *serdev, - const u8 *data, size_t count) +static size_t pn532_receive_buf(struct serdev_device *serdev, + const u8 *data, size_t count) { struct pn532_uart_phy *dev = serdev_device_get_drvdata(serdev); size_t i; - del_timer(&dev->cmd_timeout); + timer_delete(&dev->cmd_timeout); for (i = 0; i < count; i++) { skb_put_u8(dev->recv_skb, *data++); if (!pn532_uart_rx_is_frame(dev->recv_skb)) diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c index a187f0e0b0f7..ffd7367ce119 100644 --- a/drivers/nfc/pn533/usb.c +++ b/drivers/nfc/pn533/usb.c @@ -254,7 +254,6 @@ struct pn533_acr122_ccid_hdr { * byte for reposnse msg */ u8 params[3]; - u8 data[]; /* payload */ } __packed; struct pn533_acr122_apdu_hdr { diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c index 3f6d74832bac..a0dfb3f98d5a 100644 --- a/drivers/nfc/pn544/i2c.c +++ b/drivers/nfc/pn544/i2c.c @@ -17,7 +17,7 @@ #include <linux/firmware.h> #include <linux/gpio/consumer.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <net/nfc/hci.h> #include <net/nfc/llc.h> @@ -44,7 +44,7 @@ PN544_HCI_I2C_LLC_MAX_PAYLOAD) static const struct i2c_device_id pn544_hci_i2c_id_table[] = { - {"pn544", 0}, + { "pn544" }, {} }; @@ -126,8 +126,6 @@ struct pn544_i2c_fw_secure_blob { #define PN544_FW_CMD_RESULT_COMMAND_REJECTED 0xE0 #define PN544_FW_CMD_RESULT_CHUNK_ERROR 0xE6 -#define MIN(X, Y) ((X) < (Y) ? (X) : (Y)) - #define PN544_FW_WRITE_BUFFER_MAX_LEN 0x9f7 #define PN544_FW_I2C_MAX_PAYLOAD PN544_HCI_I2C_LLC_MAX_SIZE #define PN544_FW_I2C_WRITE_FRAME_HEADER_LEN 8 diff --git a/drivers/nfc/s3fwrn5/core.c b/drivers/nfc/s3fwrn5/core.c index aec356880adf..af0fa8bd970b 100644 --- a/drivers/nfc/s3fwrn5/core.c +++ b/drivers/nfc/s3fwrn5/core.c @@ -2,7 +2,7 @@ /* * NCI based driver for Samsung S3FWRN5 NFC chip * - * Copyright (C) 2015 Samsung Electrnoics + * Copyright (C) 2015 Samsung Electronics * Robert Baldyga <r.baldyga@samsung.com> */ diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c index c20fdbac51c5..781cdbcac104 100644 --- a/drivers/nfc/s3fwrn5/firmware.c +++ b/drivers/nfc/s3fwrn5/firmware.c @@ -2,7 +2,7 @@ /* * NCI based driver for Samsung S3FWRN5 NFC chip * - * Copyright (C) 2015 Samsung Electrnoics + * Copyright (C) 2015 Samsung Electronics * Robert Baldyga <r.baldyga@samsung.com> */ diff --git a/drivers/nfc/s3fwrn5/firmware.h b/drivers/nfc/s3fwrn5/firmware.h index 3a82ce5837fb..19f479aa6920 100644 --- a/drivers/nfc/s3fwrn5/firmware.h +++ b/drivers/nfc/s3fwrn5/firmware.h @@ -2,7 +2,7 @@ /* * NCI based driver for Samsung S3FWRN5 NFC chip * - * Copyright (C) 2015 Samsung Electrnoics + * Copyright (C) 2015 Samsung Electronics * Robert Baldyga <r.baldyga@samsung.com> */ diff --git a/drivers/nfc/s3fwrn5/i2c.c b/drivers/nfc/s3fwrn5/i2c.c index 720d4a72493c..110d086cfe5b 100644 --- a/drivers/nfc/s3fwrn5/i2c.c +++ b/drivers/nfc/s3fwrn5/i2c.c @@ -2,7 +2,7 @@ /* * I2C Link Layer for Samsung S3FWRN5 NCI based Driver * - * Copyright (C) 2015 Samsung Electrnoics + * Copyright (C) 2015 Samsung Electronics * Robert Baldyga <r.baldyga@samsung.com> */ @@ -245,7 +245,7 @@ static void s3fwrn5_i2c_remove(struct i2c_client *client) } static const struct i2c_device_id s3fwrn5_i2c_id_table[] = { - {S3FWRN5_I2C_DRIVER_NAME, 0}, + { S3FWRN5_I2C_DRIVER_NAME }, {} }; MODULE_DEVICE_TABLE(i2c, s3fwrn5_i2c_id_table); diff --git a/drivers/nfc/s3fwrn5/nci.c b/drivers/nfc/s3fwrn5/nci.c index ca6828f55ba0..5a9de11bbece 100644 --- a/drivers/nfc/s3fwrn5/nci.c +++ b/drivers/nfc/s3fwrn5/nci.c @@ -2,7 +2,7 @@ /* * NCI based driver for Samsung S3FWRN5 NFC chip * - * Copyright (C) 2015 Samsung Electrnoics + * Copyright (C) 2015 Samsung Electronics * Robert Baldyga <r.baldyga@samsung.com> */ diff --git a/drivers/nfc/s3fwrn5/nci.h b/drivers/nfc/s3fwrn5/nci.h index c2d906591e9e..bc4bce2bbc4d 100644 --- a/drivers/nfc/s3fwrn5/nci.h +++ b/drivers/nfc/s3fwrn5/nci.h @@ -2,7 +2,7 @@ /* * NCI based driver for Samsung S3FWRN5 NFC chip * - * Copyright (C) 2015 Samsung Electrnoics + * Copyright (C) 2015 Samsung Electronics * Robert Baldyga <r.baldyga@samsung.com> */ diff --git a/drivers/nfc/s3fwrn5/phy_common.c b/drivers/nfc/s3fwrn5/phy_common.c index 81318478d5fd..deb2c039f0fd 100644 --- a/drivers/nfc/s3fwrn5/phy_common.c +++ b/drivers/nfc/s3fwrn5/phy_common.c @@ -2,9 +2,9 @@ /* * Link Layer for Samsung S3FWRN5 NCI based Driver * - * Copyright (C) 2015 Samsung Electrnoics + * Copyright (C) 2015 Samsung Electronics * Robert Baldyga <r.baldyga@samsung.com> - * Copyright (C) 2020 Samsung Electrnoics + * Copyright (C) 2020 Samsung Electronics * Bongsu Jeon <bongsu.jeon@samsung.com> */ diff --git a/drivers/nfc/s3fwrn5/phy_common.h b/drivers/nfc/s3fwrn5/phy_common.h index 99749c9294d1..9cef25436bf9 100644 --- a/drivers/nfc/s3fwrn5/phy_common.h +++ b/drivers/nfc/s3fwrn5/phy_common.h @@ -2,9 +2,9 @@ * * Link Layer for Samsung S3FWRN5 NCI based Driver * - * Copyright (C) 2015 Samsung Electrnoics + * Copyright (C) 2015 Samsung Electronics * Robert Baldyga <r.baldyga@samsung.com> - * Copyright (C) 2020 Samsung Electrnoics + * Copyright (C) 2020 Samsung Electronics * Bongsu Jeon <bongsu.jeon@samsung.com> */ diff --git a/drivers/nfc/s3fwrn5/s3fwrn5.h b/drivers/nfc/s3fwrn5/s3fwrn5.h index bb8f936d13a2..2b492236090b 100644 --- a/drivers/nfc/s3fwrn5/s3fwrn5.h +++ b/drivers/nfc/s3fwrn5/s3fwrn5.h @@ -2,7 +2,7 @@ /* * NCI based driver for Samsung S3FWRN5 NFC chip * - * Copyright (C) 2015 Samsung Electrnoics + * Copyright (C) 2015 Samsung Electronics * Robert Baldyga <r.baldyga@samsung.com> */ diff --git a/drivers/nfc/s3fwrn5/uart.c b/drivers/nfc/s3fwrn5/uart.c index 456d3947116c..9c09c10c2a46 100644 --- a/drivers/nfc/s3fwrn5/uart.c +++ b/drivers/nfc/s3fwrn5/uart.c @@ -51,8 +51,8 @@ static const struct s3fwrn5_phy_ops uart_phy_ops = { .write = s3fwrn82_uart_write, }; -static ssize_t s3fwrn82_uart_read(struct serdev_device *serdev, - const u8 *data, size_t count) +static size_t s3fwrn82_uart_read(struct serdev_device *serdev, + const u8 *data, size_t count) { struct s3fwrn82_uart_phy *phy = serdev_device_get_drvdata(serdev); size_t i; diff --git a/drivers/nfc/st-nci/i2c.c b/drivers/nfc/st-nci/i2c.c index d20a337e90b4..416770adbeba 100644 --- a/drivers/nfc/st-nci/i2c.c +++ b/drivers/nfc/st-nci/i2c.c @@ -257,7 +257,7 @@ static void st_nci_i2c_remove(struct i2c_client *client) } static const struct i2c_device_id st_nci_i2c_id_table[] = { - {ST_NCI_DRIVER_NAME, 0}, + { ST_NCI_DRIVER_NAME }, {} }; MODULE_DEVICE_TABLE(i2c, st_nci_i2c_id_table); diff --git a/drivers/nfc/st-nci/ndlc.c b/drivers/nfc/st-nci/ndlc.c index d2aa9f766738..be4808859cfa 100644 --- a/drivers/nfc/st-nci/ndlc.c +++ b/drivers/nfc/st-nci/ndlc.c @@ -161,8 +161,8 @@ static void llt_ndlc_rcv_queue(struct llt_ndlc *ndlc) case PCB_SYNC_ACK: skb = skb_dequeue(&ndlc->ack_pending_q); kfree_skb(skb); - del_timer_sync(&ndlc->t1_timer); - del_timer_sync(&ndlc->t2_timer); + timer_delete_sync(&ndlc->t1_timer); + timer_delete_sync(&ndlc->t2_timer); ndlc->t2_active = false; ndlc->t1_active = false; break; @@ -213,8 +213,8 @@ static void llt_ndlc_sm_work(struct work_struct *work) pr_debug("Handle T2(recv DATA) elapsed (T2 now inactive)\n"); ndlc->t2_active = false; ndlc->t1_active = false; - del_timer_sync(&ndlc->t1_timer); - del_timer_sync(&ndlc->t2_timer); + timer_delete_sync(&ndlc->t1_timer); + timer_delete_sync(&ndlc->t2_timer); ndlc_close(ndlc); ndlc->hard_fault = -EREMOTEIO; } @@ -237,14 +237,14 @@ EXPORT_SYMBOL(ndlc_recv); static void ndlc_t1_timeout(struct timer_list *t) { - struct llt_ndlc *ndlc = from_timer(ndlc, t, t1_timer); + struct llt_ndlc *ndlc = timer_container_of(ndlc, t, t1_timer); schedule_work(&ndlc->sm_work); } static void ndlc_t2_timeout(struct timer_list *t) { - struct llt_ndlc *ndlc = from_timer(ndlc, t, t2_timer); + struct llt_ndlc *ndlc = timer_container_of(ndlc, t, t2_timer); schedule_work(&ndlc->sm_work); } @@ -283,8 +283,8 @@ EXPORT_SYMBOL(ndlc_probe); void ndlc_remove(struct llt_ndlc *ndlc) { /* cancel timers */ - del_timer_sync(&ndlc->t1_timer); - del_timer_sync(&ndlc->t2_timer); + timer_delete_sync(&ndlc->t1_timer); + timer_delete_sync(&ndlc->t2_timer); ndlc->t2_active = false; ndlc->t1_active = false; /* cancel work */ diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c index b2f1ced8e6dd..607ec768eb7b 100644 --- a/drivers/nfc/st-nci/se.c +++ b/drivers/nfc/st-nci/se.c @@ -257,7 +257,7 @@ static void st_nci_hci_admin_event_received(struct nci_dev *ndev, case ST_NCI_EVT_HOT_PLUG: if (info->se_info.se_active) { if (!ST_NCI_EVT_HOT_PLUG_IS_INHIBITED(skb)) { - del_timer_sync(&info->se_info.se_active_timer); + timer_delete_sync(&info->se_info.se_active_timer); info->se_info.se_active = false; complete(&info->se_info.req_completion); } else { @@ -282,7 +282,7 @@ static int st_nci_hci_apdu_reader_event_received(struct nci_dev *ndev, switch (event) { case ST_NCI_EVT_TRANSMIT_DATA: - del_timer_sync(&info->se_info.bwi_timer); + timer_delete_sync(&info->se_info.bwi_timer); info->se_info.bwi_active = false; info->se_info.cb(info->se_info.cb_context, skb->data, skb->len, 0); @@ -415,7 +415,7 @@ void st_nci_hci_cmd_received(struct nci_dev *ndev, u8 pipe, u8 cmd, if (ndev->hci_dev->count_pipes == ndev->hci_dev->expected_pipes) { - del_timer_sync(&info->se_info.se_active_timer); + timer_delete_sync(&info->se_info.se_active_timer); info->se_info.se_active = false; ndev->hci_dev->count_pipes = 0; complete(&info->se_info.req_completion); @@ -696,7 +696,8 @@ static void st_nci_se_wt_timeout(struct timer_list *t) */ /* hardware reset managed through VCC_UICC_OUT power supply */ u8 param = 0x01; - struct st_nci_info *info = from_timer(info, t, se_info.bwi_timer); + struct st_nci_info *info = timer_container_of(info, t, + se_info.bwi_timer); info->se_info.bwi_active = false; @@ -714,8 +715,8 @@ static void st_nci_se_wt_timeout(struct timer_list *t) static void st_nci_se_activation_timeout(struct timer_list *t) { - struct st_nci_info *info = from_timer(info, t, - se_info.se_active_timer); + struct st_nci_info *info = timer_container_of(info, t, + se_info.se_active_timer); info->se_info.se_active = false; @@ -751,9 +752,9 @@ void st_nci_se_deinit(struct nci_dev *ndev) struct st_nci_info *info = nci_get_drvdata(ndev); if (info->se_info.bwi_active) - del_timer_sync(&info->se_info.bwi_timer); + timer_delete_sync(&info->se_info.bwi_timer); if (info->se_info.se_active) - del_timer_sync(&info->se_info.se_active_timer); + timer_delete_sync(&info->se_info.se_active_timer); info->se_info.se_active = false; info->se_info.bwi_active = false; diff --git a/drivers/nfc/st21nfca/core.c b/drivers/nfc/st21nfca/core.c index 161caf2675cf..bec6f607c32c 100644 --- a/drivers/nfc/st21nfca/core.c +++ b/drivers/nfc/st21nfca/core.c @@ -844,7 +844,7 @@ static void st21nfca_hci_cmd_received(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd, info->se_info.count_pipes++; if (info->se_info.count_pipes == info->se_info.expected_pipes) { - del_timer_sync(&info->se_info.se_active_timer); + timer_delete_sync(&info->se_info.se_active_timer); info->se_info.se_active = false; info->se_info.count_pipes = 0; complete(&info->se_info.req_completion); @@ -864,7 +864,7 @@ static int st21nfca_admin_event_received(struct nfc_hci_dev *hdev, u8 event, case ST21NFCA_EVT_HOT_PLUG: if (info->se_info.se_active) { if (!ST21NFCA_EVT_HOT_PLUG_IS_INHIBITED(skb)) { - del_timer_sync(&info->se_info.se_active_timer); + timer_delete_sync(&info->se_info.se_active_timer); info->se_info.se_active = false; complete(&info->se_info.req_completion); } else { diff --git a/drivers/nfc/st21nfca/dep.c b/drivers/nfc/st21nfca/dep.c index 1ec651e31064..3425b68f0ddc 100644 --- a/drivers/nfc/st21nfca/dep.c +++ b/drivers/nfc/st21nfca/dep.c @@ -116,18 +116,16 @@ static void st21nfca_tx_work(struct work_struct *work) struct nfc_dev *dev; struct sk_buff *skb; - if (info) { - dev = info->hdev->ndev; - skb = info->dep_info.tx_pending; + dev = info->hdev->ndev; + skb = info->dep_info.tx_pending; - device_lock(&dev->dev); + device_lock(&dev->dev); - nfc_hci_send_cmd_async(info->hdev, ST21NFCA_RF_READER_F_GATE, - ST21NFCA_WR_XCHG_DATA, skb->data, skb->len, - info->async_cb, info); - device_unlock(&dev->dev); - kfree_skb(skb); - } + nfc_hci_send_cmd_async(info->hdev, ST21NFCA_RF_READER_F_GATE, + ST21NFCA_WR_XCHG_DATA, skb->data, skb->len, + info->async_cb, info); + device_unlock(&dev->dev); + kfree_skb(skb); } static void st21nfca_im_send_pdu(struct st21nfca_hci_info *info, diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c index 064a63db288b..6d7861383806 100644 --- a/drivers/nfc/st21nfca/i2c.c +++ b/drivers/nfc/st21nfca/i2c.c @@ -11,7 +11,6 @@ #include <linux/i2c.h> #include <linux/gpio/consumer.h> #include <linux/of_irq.h> -#include <linux/of_gpio.h> #include <linux/acpi.h> #include <linux/interrupt.h> #include <linux/delay.h> @@ -573,7 +572,7 @@ static void st21nfca_hci_i2c_remove(struct i2c_client *client) } static const struct i2c_device_id st21nfca_hci_i2c_id_table[] = { - {ST21NFCA_HCI_DRIVER_NAME, 0}, + { ST21NFCA_HCI_DRIVER_NAME }, {} }; MODULE_DEVICE_TABLE(i2c, st21nfca_hci_i2c_id_table); diff --git a/drivers/nfc/st21nfca/se.c b/drivers/nfc/st21nfca/se.c index dae288bebcb5..7154bc1d644a 100644 --- a/drivers/nfc/st21nfca/se.c +++ b/drivers/nfc/st21nfca/se.c @@ -280,15 +280,16 @@ static void st21nfca_se_wt_work(struct work_struct *work) static void st21nfca_se_wt_timeout(struct timer_list *t) { - struct st21nfca_hci_info *info = from_timer(info, t, se_info.bwi_timer); + struct st21nfca_hci_info *info = timer_container_of(info, t, + se_info.bwi_timer); schedule_work(&info->se_info.timeout_work); } static void st21nfca_se_activation_timeout(struct timer_list *t) { - struct st21nfca_hci_info *info = from_timer(info, t, - se_info.se_active_timer); + struct st21nfca_hci_info *info = timer_container_of(info, t, + se_info.se_active_timer); info->se_info.se_active = false; @@ -380,7 +381,7 @@ int st21nfca_apdu_reader_event_received(struct nfc_hci_dev *hdev, switch (event) { case ST21NFCA_EVT_TRANSMIT_DATA: - del_timer_sync(&info->se_info.bwi_timer); + timer_delete_sync(&info->se_info.bwi_timer); cancel_work_sync(&info->se_info.timeout_work); info->se_info.bwi_active = false; r = nfc_hci_send_event(hdev, ST21NFCA_DEVICE_MGNT_GATE, @@ -435,9 +436,9 @@ void st21nfca_se_deinit(struct nfc_hci_dev *hdev) struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev); if (info->se_info.bwi_active) - del_timer_sync(&info->se_info.bwi_timer); + timer_delete_sync(&info->se_info.bwi_timer); if (info->se_info.se_active) - del_timer_sync(&info->se_info.se_active_timer); + timer_delete_sync(&info->se_info.se_active_timer); cancel_work_sync(&info->se_info.timeout_work); info->se_info.bwi_active = false; diff --git a/drivers/nfc/st95hf/core.c b/drivers/nfc/st95hf/core.c index ed704bb77226..ffe5b4eab457 100644 --- a/drivers/nfc/st95hf/core.c +++ b/drivers/nfc/st95hf/core.c @@ -7,14 +7,13 @@ */ #include <linux/err.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/module.h> #include <linux/netdevice.h> #include <linux/nfc.h> -#include <linux/of_gpio.h> #include <linux/of.h> #include <linux/property.h> #include <linux/regulator/consumer.h> @@ -196,7 +195,7 @@ struct st95_digital_cmd_complete_arg { * for spi communication between st95hf and host. * @ddev: nfc digital device object. * @nfcdev: nfc device object. - * @enable_gpio: gpio used to enable st95hf transceiver. + * @enable_gpiod: gpio used to enable st95hf transceiver. * @complete_cb_arg: structure to store various context information * that is passed from nfc requesting thread to the threaded ISR. * @st95hf_supply: regulator "consumer" for NFC device. @@ -219,7 +218,7 @@ struct st95hf_context { struct st95hf_spi_context spicontext; struct nfc_digital_dev *ddev; struct nfc_dev *nfcdev; - unsigned int enable_gpio; + struct gpio_desc *enable_gpiod; struct st95_digital_cmd_complete_arg complete_cb_arg; struct regulator *st95hf_supply; unsigned char sendrcv_trflag; @@ -451,19 +450,19 @@ static int st95hf_select_protocol(struct st95hf_context *stcontext, int type) static void st95hf_send_st95enable_negativepulse(struct st95hf_context *st95con) { /* First make irq_in pin high */ - gpio_set_value(st95con->enable_gpio, HIGH); + gpiod_set_value(st95con->enable_gpiod, HIGH); /* wait for 1 milisecond */ usleep_range(1000, 2000); /* Make irq_in pin low */ - gpio_set_value(st95con->enable_gpio, LOW); + gpiod_set_value(st95con->enable_gpiod, LOW); /* wait for minimum interrupt pulse to make st95 active */ usleep_range(1000, 2000); /* At end make it high */ - gpio_set_value(st95con->enable_gpio, HIGH); + gpiod_set_value(st95con->enable_gpiod, HIGH); } /* @@ -1063,6 +1062,7 @@ MODULE_DEVICE_TABLE(of, st95hf_spi_of_match); static int st95hf_probe(struct spi_device *nfc_spi_dev) { + struct device *dev = &nfc_spi_dev->dev; int ret; struct st95hf_context *st95context; @@ -1108,19 +1108,14 @@ static int st95hf_probe(struct spi_device *nfc_spi_dev) */ dev_set_drvdata(&nfc_spi_dev->dev, spicontext); - st95context->enable_gpio = - of_get_named_gpio(nfc_spi_dev->dev.of_node, - "enable-gpio", - 0); - if (!gpio_is_valid(st95context->enable_gpio)) { + st95context->enable_gpiod = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH); + if (IS_ERR(st95context->enable_gpiod)) { + ret = PTR_ERR(st95context->enable_gpiod); dev_err(&nfc_spi_dev->dev, "No valid enable gpio\n"); - ret = st95context->enable_gpio; goto err_disable_regulator; } - ret = devm_gpio_request_one(&nfc_spi_dev->dev, st95context->enable_gpio, - GPIOF_DIR_OUT | GPIOF_INIT_HIGH, - "enable_gpio"); + ret = gpiod_set_consumer_name(st95context->enable_gpiod, "enable_gpio"); if (ret) goto err_disable_regulator; @@ -1242,7 +1237,6 @@ static void st95hf_remove(struct spi_device *nfc_spi_dev) static struct spi_driver st95hf_driver = { .driver = { .name = "st95hf", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(st95hf_spi_of_match), }, .id_table = st95hf_id, diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index 7eb17f46a815..9e1a34e23af2 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -424,7 +424,8 @@ struct trf7970a { enum trf7970a_state state; struct device *dev; struct spi_device *spi; - struct regulator *regulator; + struct regulator *vin_regulator; + struct regulator *vddio_regulator; struct nfc_digital_dev *ddev; u32 quirks; bool is_initiator; @@ -1883,7 +1884,7 @@ static int trf7970a_power_up(struct trf7970a *trf) if (trf->state != TRF7970A_ST_PWR_OFF) return 0; - ret = regulator_enable(trf->regulator); + ret = regulator_enable(trf->vin_regulator); if (ret) { dev_err(trf->dev, "%s - Can't enable VIN: %d\n", __func__, ret); return ret; @@ -1926,7 +1927,7 @@ static int trf7970a_power_down(struct trf7970a *trf) if (trf->en2_gpiod && !(trf->quirks & TRF7970A_QUIRK_EN2_MUST_STAY_LOW)) gpiod_set_value_cansleep(trf->en2_gpiod, 0); - ret = regulator_disable(trf->regulator); + ret = regulator_disable(trf->vin_regulator); if (ret) dev_err(trf->dev, "%s - Can't disable VIN: %d\n", __func__, ret); @@ -2065,37 +2066,37 @@ static int trf7970a_probe(struct spi_device *spi) mutex_init(&trf->lock); INIT_DELAYED_WORK(&trf->timeout_work, trf7970a_timeout_work_handler); - trf->regulator = devm_regulator_get(&spi->dev, "vin"); - if (IS_ERR(trf->regulator)) { - ret = PTR_ERR(trf->regulator); + trf->vin_regulator = devm_regulator_get(&spi->dev, "vin"); + if (IS_ERR(trf->vin_regulator)) { + ret = PTR_ERR(trf->vin_regulator); dev_err(trf->dev, "Can't get VIN regulator: %d\n", ret); goto err_destroy_lock; } - ret = regulator_enable(trf->regulator); + ret = regulator_enable(trf->vin_regulator); if (ret) { dev_err(trf->dev, "Can't enable VIN: %d\n", ret); goto err_destroy_lock; } - uvolts = regulator_get_voltage(trf->regulator); + uvolts = regulator_get_voltage(trf->vin_regulator); if (uvolts > 4000000) trf->chip_status_ctrl = TRF7970A_CHIP_STATUS_VRS5_3; - trf->regulator = devm_regulator_get(&spi->dev, "vdd-io"); - if (IS_ERR(trf->regulator)) { - ret = PTR_ERR(trf->regulator); + trf->vddio_regulator = devm_regulator_get(&spi->dev, "vdd-io"); + if (IS_ERR(trf->vddio_regulator)) { + ret = PTR_ERR(trf->vddio_regulator); dev_err(trf->dev, "Can't get VDD_IO regulator: %d\n", ret); - goto err_destroy_lock; + goto err_disable_vin_regulator; } - ret = regulator_enable(trf->regulator); + ret = regulator_enable(trf->vddio_regulator); if (ret) { dev_err(trf->dev, "Can't enable VDD_IO: %d\n", ret); - goto err_destroy_lock; + goto err_disable_vin_regulator; } - if (regulator_get_voltage(trf->regulator) == 1800000) { + if (regulator_get_voltage(trf->vddio_regulator) == 1800000) { trf->io_ctrl = TRF7970A_REG_IO_CTRL_IO_LOW; dev_dbg(trf->dev, "trf7970a config vdd_io to 1.8V\n"); } @@ -2108,7 +2109,7 @@ static int trf7970a_probe(struct spi_device *spi) if (!trf->ddev) { dev_err(trf->dev, "Can't allocate NFC digital device\n"); ret = -ENOMEM; - goto err_disable_regulator; + goto err_disable_vddio_regulator; } nfc_digital_set_parent_dev(trf->ddev, trf->dev); @@ -2137,8 +2138,10 @@ err_shutdown: trf7970a_shutdown(trf); err_free_ddev: nfc_digital_free_device(trf->ddev); -err_disable_regulator: - regulator_disable(trf->regulator); +err_disable_vddio_regulator: + regulator_disable(trf->vddio_regulator); +err_disable_vin_regulator: + regulator_disable(trf->vin_regulator); err_destroy_lock: mutex_destroy(&trf->lock); return ret; @@ -2157,7 +2160,8 @@ static void trf7970a_remove(struct spi_device *spi) nfc_digital_unregister_device(trf->ddev); nfc_digital_free_device(trf->ddev); - regulator_disable(trf->regulator); + regulator_disable(trf->vddio_regulator); + regulator_disable(trf->vin_regulator); mutex_destroy(&trf->lock); } diff --git a/drivers/nfc/virtual_ncidev.c b/drivers/nfc/virtual_ncidev.c index 590b038e449e..9ef8ef2d4363 100644 --- a/drivers/nfc/virtual_ncidev.c +++ b/drivers/nfc/virtual_ncidev.c @@ -2,7 +2,7 @@ /* * Virtual NCI device simulation driver * - * Copyright (C) 2020 Samsung Electrnoics + * Copyright (C) 2020 Samsung Electronics * Bongsu Jeon <bongsu.jeon@samsung.com> */ @@ -125,6 +125,10 @@ static ssize_t virtual_ncidev_write(struct file *file, kfree_skb(skb); return -EFAULT; } + if (strnlen(skb->data, count) != count) { + kfree_skb(skb); + return -EINVAL; + } nci_recv_frame(vdev->ndev, skb); return count; |