diff options
| author | Kumar Gala <galak@freescale.com> | 2005-09-03 15:55:37 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@evo.osdl.org> | 2005-09-05 00:05:56 -0700 |
| commit | 638861d54eec6b04a88d5d8df8b790d87de80b8d (patch) | |
| tree | 1ebb80d55a39369620dbb041244cdd3ce794fb8f /drivers | |
| parent | 0d8ba1a9793302fdcee3d6d4133c455023ca8ce9 (diff) | |
| download | kernel_samsung_smdk4412-638861d54eec6b04a88d5d8df8b790d87de80b8d.zip kernel_samsung_smdk4412-638861d54eec6b04a88d5d8df8b790d87de80b8d.tar.gz kernel_samsung_smdk4412-638861d54eec6b04a88d5d8df8b790d87de80b8d.tar.bz2 | |
[PATCH] cpm_uart: use schedule_timeout instead of direct call to schedule
use schedule_timeout instead of direct call to schedule
Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/cpm_uart/cpm_uart_core.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c index 282b323..25825f2 100644 --- a/drivers/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/serial/cpm_uart/cpm_uart_core.c @@ -403,10 +403,8 @@ static int cpm_uart_startup(struct uart_port *port) inline void cpm_uart_wait_until_send(struct uart_cpm_port *pinfo) { - unsigned long target_jiffies = jiffies + pinfo->wait_closing; - - while (!time_after(jiffies, target_jiffies)) - schedule(); + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(pinfo->wait_closing); } /* @@ -425,9 +423,12 @@ static void cpm_uart_shutdown(struct uart_port *port) /* If the port is not the console, disable Rx and Tx. */ if (!(pinfo->flags & FLAG_CONSOLE)) { /* Wait for all the BDs marked sent */ - while(!cpm_uart_tx_empty(port)) + while(!cpm_uart_tx_empty(port)) { + set_current_state(TASK_UNINTERRUPTIBLE); schedule_timeout(2); - if(pinfo->wait_closing) + } + + if (pinfo->wait_closing) cpm_uart_wait_until_send(pinfo); /* Stop uarts */ |