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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-09 15:16:52 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-09 15:16:52 -0800
commitc4888f9ffafe7db107b7eafb3a68eaeeff3779c3 (patch)
treed30da15f6b5d74c8c04fd92991af5e1615d95691 /drivers/serial
parente36aeee65d4db050bd8713537416a0a0632db079 (diff)
parent688016f4e2028e3c2c27e959ad001536e10ee2c5 (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (37 commits) [POWERPC] EEH: Make sure warning message is printed [POWERPC] Make altivec code in swsusp_32.S depend on CONFIG_ALTIVEC [POWERPC] windfarm: Fix windfarm thread freezer interaction [POWERPC] Fix si_addr value on low level hash failures [POWERPC] Refresh ppc64_defconfig and enable pasemi-related options [POWERPC] pasemi: Update defconfig [POWERPC] iSeries: Fix ref counting in vio setup [POWERPC] ] Fix memset size error [POWERPC] Fix link errors for allyesconfig [POWERPC] iSeries_init_IRQ non-PCI tidy [POWERPC] Change fallocate to match unistd.h on powerpc [POWERPC] EEH: Avoid crash on null device [POWERPC] EEH: Drivers that need reset trump others [POWERPC] EEH: Clean up comments [POWERPC] Fix off-by-one error in setting decrementer on Book E/4xx (v2) [POWERPC] Fix switch_slb handling of 1T ESID values [POWERPC] Fix build failure when CONFIG_VIRT_CPU_ACCOUNTING is not defined [POWERPC] Include udbg.h when using udbg_printf [POWERPC] Fix cache line vs. block size confusion [POWERPC] Fix sysctl table check failure on PowerMac ...
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/uartlite.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index dfef83f1496..a85f2d31a68 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -329,12 +329,14 @@ static struct uart_ops ulite_ops = {
static void ulite_console_wait_tx(struct uart_port *port)
{
int i;
+ u8 val;
- /* wait up to 10ms for the character(s) to be sent */
- for (i = 0; i < 10000; i++) {
- if (readb(port->membase + ULITE_STATUS) & ULITE_STATUS_TXEMPTY)
+ /* Spin waiting for TX fifo to have space available */
+ for (i = 0; i < 100000; i++) {
+ val = readb(port->membase + ULITE_STATUS);
+ if ((val & ULITE_STATUS_TXFULL) == 0)
break;
- udelay(1);
+ cpu_relax();
}
}