On Wed, Mar 18, 2020 at 06:06:05PM +0800, Baolin Wang wrote: > On Wed, Mar 18, 2020 at 5:16 PM Baolin Wang <baolin.wang7@xxxxxxxxx> wrote: > > > > On Wed, Mar 18, 2020 at 4:31 PM Chunyan Zhang <zhang.lyra@xxxxxxxxx> wrote: > > > > > > From: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx> > > > > > > It would be better to cleanup the sprd_port for the device before > > > return error. > > > > > > Signed-off-by: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx> > > > --- > > > drivers/tty/serial/sprd_serial.c | 4 +++- > > > 1 file changed, 3 insertions(+), 1 deletion(-) > > > > > > diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c > > > index 9f8c14ff6454..54477de9822f 100644 > > > --- a/drivers/tty/serial/sprd_serial.c > > > +++ b/drivers/tty/serial/sprd_serial.c > > > @@ -1204,8 +1204,10 @@ static int sprd_probe(struct platform_device *pdev) > > > up->has_sysrq = IS_ENABLED(CONFIG_SERIAL_SPRD_CONSOLE); > > > > > > ret = sprd_clk_init(up); > > > - if (ret) > > > + if (ret) { > > > + sprd_port[index] = NULL; > > > > 如果我们强制使用alias, 则这里应该也无需清除了,因为一进probe就会给它重新赋值。 还是我漏了什么? > > Sorry, please ignore my previsous comment. I made a stupid mistake > when talking with Chunyan. > > So what I mean is we should not add this clean up, cause we will > always get the correct index with aliases, and it will be overlapped > when probing again. So ignore this patch and only take patch 1/2? If so, can I get your acked-by for it? thanks, greg k-h