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>
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@ -152,10 +152,6 @@ static int nfcmrvl_nci_uart_open(struct nci_uart *nu)
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nu->drv_data = priv;
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nu->ndev = priv->ndev;
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/* Set BREAK */
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if (priv->config.break_control && nu->tty->ops->break_ctl)
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nu->tty->ops->break_ctl(nu->tty, -1);
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return 0;
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}
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@ -174,6 +170,9 @@ static void nfcmrvl_nci_uart_tx_start(struct nci_uart *nu)
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{
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struct nfcmrvl_private *priv = (struct nfcmrvl_private *)nu->drv_data;
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if (priv->ndev->nfc_dev->fw_download_in_progress)
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return;
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/* Remove BREAK to wake up the NFCC */
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if (priv->config.break_control && nu->tty->ops->break_ctl) {
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nu->tty->ops->break_ctl(nu->tty, 0);
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@ -185,6 +184,9 @@ static void nfcmrvl_nci_uart_tx_done(struct nci_uart *nu)
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{
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struct nfcmrvl_private *priv = (struct nfcmrvl_private *)nu->drv_data;
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if (priv->ndev->nfc_dev->fw_download_in_progress)
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return;
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/*
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** To ensure that if the NFCC goes in DEEP SLEEP sate we can wake him
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** up. we set BREAK. Once we will be ready to send again we will remove
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