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| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2016-05-02 11:19:46 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-05-04 01:10:38 +0200 |
| commit | 6550be9f62bfc4dacbdbd8cb7afe0df661da77bf (patch) | |
| tree | 8240bfbc4d568e9095eeb316d56eaf1e47ffd857 /drivers/tty/serial/serial_core.c | |
| parent | tty: vt, finish looping on duplicate (diff) | |
| download | linux-6550be9f62bfc4dacbdbd8cb7afe0df661da77bf.tar.xz linux-6550be9f62bfc4dacbdbd8cb7afe0df661da77bf.zip | |
serial: 8250_dw: fix wrong logic in dw8250_check_lcr()
Commit cdcea058e510 ("serial: 8250_dw: Avoid serial_outx code duplicate
with new dw8250_check_lcr()") introduce a wrong logic when write val to
LCR reg. When CONFIG_64BIT enabled, __raw_writeq is used unconditionally.
The __raw_readq/__raw_writeq is introduced by commit bca2092d7897 ("serial:
8250_dw: Use 64-bit access for OCTEON.") for OCTEON.
So for 64BIT && !PORT_OCTEON, we better to use coincident write function.
Fixes: cdcea058e510("serial: 8250_dw: Avoid serial_outx code duplicate with new dw8250_check_lcr()")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/serial_core.c')
0 files changed, 0 insertions, 0 deletions