diff options
| author | Lee Jones <lee.jones@linaro.org> | 2020-11-04 19:35:41 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-06 10:54:05 +0100 |
| commit | 24832ca3ee85a14c42a4f23a5c8841ef5db3d029 (patch) | |
| tree | c8bdae183ecb518c84361482fa7d5478090170d0 /drivers/tty/serial | |
| parent | 7285ff0b7d2ab4af12248b5226906f89e012899c (diff) | |
tty: serial: stm32-usart: Remove set but unused 'cookie' variables
Fixes the following W=1 kernel build warning(s):
drivers/tty/serial/stm32-usart.c: In function ‘stm32_transmit_chars_dma’:
drivers/tty/serial/stm32-usart.c:353:15: warning: variable ‘cookie’ set but not used [-Wunused-but-set-variable]
drivers/tty/serial/stm32-usart.c: In function ‘stm32_of_dma_rx_probe’:
drivers/tty/serial/stm32-usart.c:1090:15: warning: variable ‘cookie’ set but not used [-Wunused-but-set-variable]
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Gerald Baeza <gerald.baeza@st.com>
Cc: linux-serial@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201104193549.4026187-29-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/stm32-usart.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index ee6c7762d355..f4de32d3f2af 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -350,7 +350,6 @@ static void stm32_transmit_chars_dma(struct uart_port *port) struct stm32_usart_offsets *ofs = &stm32port->info->ofs; struct circ_buf *xmit = &port->state->xmit; struct dma_async_tx_descriptor *desc = NULL; - dma_cookie_t cookie; unsigned int count, i; if (stm32port->tx_dma_busy) @@ -394,7 +393,7 @@ static void stm32_transmit_chars_dma(struct uart_port *port) desc->callback_param = port; /* Push current DMA TX transaction in the pending queue */ - cookie = dmaengine_submit(desc); + dmaengine_submit(desc); /* Issue pending DMA TX requests */ dma_async_issue_pending(stm32port->tx_ch); @@ -1087,7 +1086,6 @@ static int stm32_of_dma_rx_probe(struct stm32_port *stm32port, struct device *dev = &pdev->dev; struct dma_slave_config config; struct dma_async_tx_descriptor *desc = NULL; - dma_cookie_t cookie; int ret; /* Request DMA RX channel */ @@ -1132,7 +1130,7 @@ static int stm32_of_dma_rx_probe(struct stm32_port *stm32port, desc->callback_param = NULL; /* Push current DMA transaction in the pending queue */ - cookie = dmaengine_submit(desc); + dmaengine_submit(desc); /* Issue pending DMA requests */ dma_async_issue_pending(stm32port->rx_ch); |