Hi Dafna, Thanks for the patch. On 5/14/20 11:21 AM, Dafna Hirschfeld wrote: > When a size error is signaled, it is possible to read a register > to see where the error comes from. So, in debugfs the general > error 'pic_size_err' can be replaced with 3 more precise errors. > > Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx> > --- > drivers/staging/media/rkisp1/rkisp1-common.h | 4 +++- > drivers/staging/media/rkisp1/rkisp1-dev.c | 8 ++++++-- > drivers/staging/media/rkisp1/rkisp1-isp.c | 7 ++++++- > 3 files changed, 15 insertions(+), 4 deletions(-) > > diff --git a/drivers/staging/media/rkisp1/rkisp1-common.h b/drivers/staging/media/rkisp1/rkisp1-common.h > index 0c4fe503adc9..95d54306bae6 100644 > --- a/drivers/staging/media/rkisp1/rkisp1-common.h > +++ b/drivers/staging/media/rkisp1/rkisp1-common.h > @@ -226,7 +226,9 @@ struct rkisp1_resizer { > struct rkisp1_debug { > struct dentry *debugfs_dir; > unsigned long data_loss; > - unsigned long pic_size_error; > + unsigned long outform_size_error; > + unsigned long is_size_error; I would just do s/is/img_stabilization otherwise it is easy to read it as a verb, and it feels it's a boolean, and not a counter. With this: Acked-by: Helen Koike <helen.koike@xxxxxxxxxxxxx> Regards, Helen > + unsigned long inform_size_error; > unsigned long mipi_error; > unsigned long stats_error; > unsigned long stop_timeout[2]; > diff --git a/drivers/staging/media/rkisp1/rkisp1-dev.c b/drivers/staging/media/rkisp1/rkisp1-dev.c > index 9ac38bafb839..2298d3ae5950 100644 > --- a/drivers/staging/media/rkisp1/rkisp1-dev.c > +++ b/drivers/staging/media/rkisp1/rkisp1-dev.c > @@ -438,8 +438,12 @@ static void rkisp1_debug_init(struct rkisp1_device *rkisp1) > } > debugfs_create_ulong("data_loss", 0444, debug->debugfs_dir, > &debug->data_loss); > - debugfs_create_ulong("pic_size_error", 0444, debug->debugfs_dir, > - &debug->pic_size_error); > + debugfs_create_ulong("outform_size_err", 0444, debug->debugfs_dir, > + &debug->outform_size_error); > + debugfs_create_ulong("is_size_error", 0444, debug->debugfs_dir, > + &debug->is_size_error); > + debugfs_create_ulong("inform_size_error", 0444, debug->debugfs_dir, > + &debug->inform_size_error); > debugfs_create_ulong("mipi_error", 0444, debug->debugfs_dir, > &debug->mipi_error); > debugfs_create_ulong("stats_error", 0444, debug->debugfs_dir, > diff --git a/drivers/staging/media/rkisp1/rkisp1-isp.c b/drivers/staging/media/rkisp1/rkisp1-isp.c > index dc2b59a0160a..a7e5461e25a5 100644 > --- a/drivers/staging/media/rkisp1/rkisp1-isp.c > +++ b/drivers/staging/media/rkisp1/rkisp1-isp.c > @@ -1123,8 +1123,13 @@ void rkisp1_isp_isr(struct rkisp1_device *rkisp1) > if (status & RKISP1_CIF_ISP_PIC_SIZE_ERROR) { > /* Clear pic_size_error */ > isp_err = rkisp1_read(rkisp1, RKISP1_CIF_ISP_ERR); > + if (isp_err & RKISP1_CIF_ISP_ERR_INFORM_SIZE) > + rkisp1->debug.inform_size_error++; > + if (isp_err & RKISP1_CIF_ISP_ERR_IS_SIZE) > + rkisp1->debug.is_size_error++; > + if (isp_err & RKISP1_CIF_ISP_ERR_OUTFORM_SIZE) > + rkisp1->debug.outform_size_error++; > rkisp1_write(rkisp1, isp_err, RKISP1_CIF_ISP_ERR_CLR); > - rkisp1->debug.pic_size_error++; > } else if (status & RKISP1_CIF_ISP_DATA_LOSS) { > /* keep track of data_loss in debugfs */ > rkisp1->debug.data_loss++; >