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path: root/drivers/nfc/nfcmrvl/uart.c
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Diffstat (limited to 'drivers/nfc/nfcmrvl/uart.c')
-rw-r--r--drivers/nfc/nfcmrvl/uart.c52
1 files changed, 30 insertions, 22 deletions
diff --git a/drivers/nfc/nfcmrvl/uart.c b/drivers/nfc/nfcmrvl/uart.c
index 61442d652..83a99e38e 100644
--- a/drivers/nfc/nfcmrvl/uart.c
+++ b/drivers/nfc/nfcmrvl/uart.c
@@ -50,23 +50,36 @@ static int nfcmrvl_uart_nci_send(struct nfcmrvl_private *priv,
return nu->ops.send(nu, skb);
}
+static void nfcmrvl_uart_nci_update_config(struct nfcmrvl_private *priv,
+ const void *param)
+{
+ struct nci_uart *nu = priv->drv_data;
+ const struct nfcmrvl_fw_uart_config *config = param;
+
+ nci_uart_set_config(nu, le32_to_cpu(config->baudrate),
+ config->flow_control);
+}
+
static struct nfcmrvl_if_ops uart_ops = {
.nci_open = nfcmrvl_uart_nci_open,
.nci_close = nfcmrvl_uart_nci_close,
.nci_send = nfcmrvl_uart_nci_send,
+ .nci_update_config = nfcmrvl_uart_nci_update_config
};
-#ifdef CONFIG_OF
-
static int nfcmrvl_uart_parse_dt(struct device_node *node,
struct nfcmrvl_platform_data *pdata)
{
struct device_node *matched_node;
int ret;
- matched_node = of_find_compatible_node(node, NULL, "mrvl,nfc-uart");
- if (!matched_node)
- return -ENODEV;
+ matched_node = of_find_compatible_node(node, NULL, "marvell,nfc-uart");
+ if (!matched_node) {
+ matched_node = of_find_compatible_node(node, NULL,
+ "mrvl,nfc-uart");
+ if (!matched_node)
+ return -ENODEV;
+ }
ret = nfcmrvl_parse_dt(matched_node, pdata);
if (ret < 0) {
@@ -87,16 +100,6 @@ static int nfcmrvl_uart_parse_dt(struct device_node *node,
return 0;
}
-#else
-
-static int nfcmrvl_uart_parse_dt(struct device_node *node,
- struct nfcmrvl_platform_data *pdata)
-{
- return -ENODEV;
-}
-
-#endif
-
/*
** NCI UART OPS
*/
@@ -127,19 +130,16 @@ static int nfcmrvl_nci_uart_open(struct nci_uart *nu)
pdata = &config;
}
- priv = nfcmrvl_nci_register_dev(nu, &uart_ops, nu->tty->dev, pdata);
+ priv = nfcmrvl_nci_register_dev(NFCMRVL_PHY_UART, nu, &uart_ops,
+ nu->tty->dev, pdata);
if (IS_ERR(priv))
return PTR_ERR(priv);
- priv->phy = NFCMRVL_PHY_UART;
+ priv->support_fw_dnld = true;
nu->drv_data = priv;
nu->ndev = priv->ndev;
- /* Set BREAK */
- if (priv->config.break_control && nu->tty->ops->break_ctl)
- nu->tty->ops->break_ctl(nu->tty, -1);
-
return 0;
}
@@ -158,6 +158,9 @@ static void nfcmrvl_nci_uart_tx_start(struct nci_uart *nu)
{
struct nfcmrvl_private *priv = (struct nfcmrvl_private *)nu->drv_data;
+ if (priv->ndev->nfc_dev->fw_download_in_progress)
+ return;
+
/* Remove BREAK to wake up the NFCC */
if (priv->config.break_control && nu->tty->ops->break_ctl) {
nu->tty->ops->break_ctl(nu->tty, 0);
@@ -169,13 +172,18 @@ static void nfcmrvl_nci_uart_tx_done(struct nci_uart *nu)
{
struct nfcmrvl_private *priv = (struct nfcmrvl_private *)nu->drv_data;
+ if (priv->ndev->nfc_dev->fw_download_in_progress)
+ return;
+
/*
** To ensure that if the NFCC goes in DEEP SLEEP sate we can wake him
** up. we set BREAK. Once we will be ready to send again we will remove
** it.
*/
- if (priv->config.break_control && nu->tty->ops->break_ctl)
+ if (priv->config.break_control && nu->tty->ops->break_ctl) {
nu->tty->ops->break_ctl(nu->tty, -1);
+ usleep_range(1000, 3000);
+ }
}
static struct nci_uart nfcmrvl_nci_uart = {