diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2012-12-03 22:23:31 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-15 23:00:38 -0800 |
| commit | ec063899b7b308019afa9f5eb32f0a58a6c6ee53 (patch) | |
| tree | cf4ad8c5076dc75113677b1bbd053704308a58de /include | |
| parent | 496c907740ff083499f5449d2907af442e79ceb0 (diff) | |
| download | linux-ec063899b7b308019afa9f5eb32f0a58a6c6ee53.tar.bz2 | |
serial: sccnxp: Implement polling mode
This patch adds support for polling work mode, i.e. system is perform
periodical check chip status when IRQ-line is not connected to CPU.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/platform_data/sccnxp.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/platform_data/sccnxp.h b/include/linux/platform_data/sccnxp.h index 7311ccd3217f..096de90cf848 100644 --- a/include/linux/platform_data/sccnxp.h +++ b/include/linux/platform_data/sccnxp.h @@ -84,6 +84,8 @@ struct sccnxp_pdata { const u8 reg_shift; /* Modem control lines configuration */ const u32 mctrl_cfg[SCCNXP_MAX_UARTS]; + /* Timer value for polling mode (usecs) */ + const unsigned int poll_time_us; /* Called during startup */ void (*init)(void); /* Called before finish */ |