diff options
| author | Vincent Cuissard <cuissard@marvell.com> | 2015-11-03 21:19:32 +0300 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2015-11-05 02:32:25 +0300 |
| commit | feacf0024bfea807d7302d4aff83b391ac6e4077 (patch) | |
| tree | b03a22b836bb20150ff2f1d04eee3b1406480da6 /drivers/nfc/nfcmrvl/uart.c | |
| parent | 1dbac5c578ead0d0f20a06b036d19c109a5a4fb9 (diff) | |
| download | linux-feacf0024bfea807d7302d4aff83b391ac6e4077.tar.xz | |
NFC: nfcmrvl: avoid UART break control during FW download
BootROM does not support any form of power management during
FW download. On UART, the driver shall not try to send breaks.
Signed-off-by: Vincent Cuissard <cuissard@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc/nfcmrvl/uart.c')
| -rw-r--r-- | drivers/nfc/nfcmrvl/uart.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/nfc/nfcmrvl/uart.c b/drivers/nfc/nfcmrvl/uart.c index f3d041c4f249..b33249bec419 100644 --- a/drivers/nfc/nfcmrvl/uart.c +++ b/drivers/nfc/nfcmrvl/uart.c @@ -152,10 +152,6 @@ static int nfcmrvl_nci_uart_open(struct nci_uart *nu) 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; } @@ -174,6 +170,9 @@ 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); @@ -185,6 +184,9 @@ 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 |