Re: [PATCH] staging: comedi: dyna_pci10xx: fixed check patch warnings about memory barrier comments

From: Ian Abbott
Date: Mon Dec 19 2016 - 12:49:02 EST


On 19/12/2016 14:36, devendra sharma wrote:
Added comments before memory barrier

Signed-off-by: Devendra Sharma <devendra.sharma9091@xxxxxxxxx>
---
drivers/staging/comedi/drivers/dyna_pci10xx.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/staging/comedi/drivers/dyna_pci10xx.c b/drivers/staging/comedi/drivers/dyna_pci10xx.c
index c9eb26f..c3b5236 100644
--- a/drivers/staging/comedi/drivers/dyna_pci10xx.c
+++ b/drivers/staging/comedi/drivers/dyna_pci10xx.c
@@ -122,6 +122,7 @@ static int dyna_pci10xx_insn_write_ao(struct comedi_device *dev,

mutex_lock(&devpriv->mutex);
for (n = 0; n < insn->n; n++) {
+ /*multi-processor memory barrier*/
smp_mb();

Thanks for the effort, but these comments add no useful information and serve only to silence the checkpatch warnings. Also, there is no space after the '/*' and before the '*/'.

--
-=( Ian Abbott @ MEV Ltd. E-mail: <abbotti@xxxxxxxxx> )=-
-=( Web: http://www.mev.co.uk/ )=-