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tty: atmel_serial: convert tasklets to use new tasklet_setup() API

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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>
This commit is contained in:
Allen Pais
2020-08-17 14:29:19 +05:30
committed by Greg Kroah-Hartman
parent a42a9f6a9b
commit 41e85e44ed
1 changed files with 10 additions and 10 deletions
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20
drivers/tty/serial/atmel_serial.c
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@@ -1722,10 +1722,11 @@ static int atmel_prepare_rx_pdc(struct uart_port *port)
/* /*
* tasklet handling tty stuff outside the interrupt handler. * 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 = from_tasklet(atmel_port, t,
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); tasklet_rx);
struct uart_port *port = &atmel_port->uart;
/* The interrupt handler does not take the lock */ /* The interrupt handler does not take the lock */
spin_lock(&port->lock); spin_lock(&port->lock);
@@ -1733,10 +1734,11 @@ static void atmel_tasklet_rx_func(unsigned long data)
spin_unlock(&port->lock); 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 = from_tasklet(atmel_port, t,
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); tasklet_tx);
struct uart_port *port = &atmel_port->uart;
/* The interrupt handler does not take the lock */ /* The interrupt handler does not take the lock */
spin_lock(&port->lock); spin_lock(&port->lock);
@@ -1911,10 +1913,8 @@ static int atmel_startup(struct uart_port *port)
} }
atomic_set(&atmel_port->tasklet_shutdown, 0); atomic_set(&atmel_port->tasklet_shutdown, 0);
tasklet_init(&atmel_port->tasklet_rx, atmel_tasklet_rx_func, tasklet_setup(&atmel_port->tasklet_rx, atmel_tasklet_rx_func);
(unsigned long)port); tasklet_setup(&atmel_port->tasklet_tx, atmel_tasklet_tx_func);
tasklet_init(&atmel_port->tasklet_tx, atmel_tasklet_tx_func,
(unsigned long)port);
/* /*
* Initialize DMA (if necessary) * Initialize DMA (if necessary)