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authorAllen Pais <allen.lkml@gmail.com>2020-08-17 14:29:19 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-08-18 13:33:13 +0200
commit41e85e44edea0ba1a1601ed2a099d236c7f738bf (patch)
tree0adb0e7ebd76a62b5d743ea397446e8aa2409de8
parenta42a9f6a9bbc0d3894fc8ceaa714f5c5d9f4d96b (diff)
tty: atmel_serial: convert tasklets to use new tasklet_setup() API
In preparation for unconditionally passing the struct tasklet_struct pointer to all tasklet callbacks, switch to using the new tasklet_setup() and from_tasklet() to pass the tasklet pointer explicitly. Signed-off-by: Romain Perier <romain.perier@gmail.com> Signed-off-by: Allen Pais <allen.lkml@gmail.com> Link: https://lore.kernel.org/r/20200817085921.26033-3-allen.cryptic@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/tty/serial/atmel_serial.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index e43471b33710..a9c47f56e994 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1722,10 +1722,11 @@ static int atmel_prepare_rx_pdc(struct uart_port *port)
/*
* tasklet handling tty stuff outside the interrupt handler.
*/
-static void atmel_tasklet_rx_func(unsigned long data)
+static void atmel_tasklet_rx_func(struct tasklet_struct *t)
{
- struct uart_port *port = (struct uart_port *)data;
- struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
+ struct atmel_uart_port *atmel_port = from_tasklet(atmel_port, t,
+ tasklet_rx);
+ struct uart_port *port = &atmel_port->uart;
/* The interrupt handler does not take the lock */
spin_lock(&port->lock);
@@ -1733,10 +1734,11 @@ static void atmel_tasklet_rx_func(unsigned long data)
spin_unlock(&port->lock);
}
-static void atmel_tasklet_tx_func(unsigned long data)
+static void atmel_tasklet_tx_func(struct tasklet_struct *t)
{
- struct uart_port *port = (struct uart_port *)data;
- struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
+ struct atmel_uart_port *atmel_port = from_tasklet(atmel_port, t,
+ tasklet_tx);
+ struct uart_port *port = &atmel_port->uart;
/* The interrupt handler does not take the lock */
spin_lock(&port->lock);
@@ -1911,10 +1913,8 @@ static int atmel_startup(struct uart_port *port)
}
atomic_set(&atmel_port->tasklet_shutdown, 0);
- tasklet_init(&atmel_port->tasklet_rx, atmel_tasklet_rx_func,
- (unsigned long)port);
- tasklet_init(&atmel_port->tasklet_tx, atmel_tasklet_tx_func,
- (unsigned long)port);
+ tasklet_setup(&atmel_port->tasklet_rx, atmel_tasklet_rx_func);
+ tasklet_setup(&atmel_port->tasklet_tx, atmel_tasklet_tx_func);
/*
* Initialize DMA (if necessary)