Hi Naga Sureshkumar On 29/03/19 1:25 AM, Boris Brezillon wrote: > On Thu, 28 Mar 2019 16:46:24 +0530 > Naga Sureshkumar Relli <naga.sureshkumar.relli@xxxxxxxxxx> wrote: > >> Call spi_mem_default_supports_op() first, before calling controller >> specific ctlr->supports_op(). >> With this, controller drivers can drop checking the buswidths again. > > No, this was done on purpose, in case the controller does not want the > default check to be applied (say it does not need bus-width props to > be defined and has another way to check if a device can be accessed in > dual, quad or octal mode). > Just call spi_mem_default_supports_op() from your driver > ->supports_op() hook if needed. > Could you rework to follow Boris's suggestion here? >> >> Suggested-by: Vignesh Raghavendra <vigneshr@xxxxxx> >> Signed-off-by: Naga Sureshkumar Relli <naga.sureshkumar.relli@xxxxxxxxxx> >> --- >> Details can be found at https://lkml.org/lkml/2019/3/1/183 >> --- >> drivers/spi/spi-mem.c | 7 +++++-- >> 1 file changed, 5 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c >> index 5217a56..56aa158 100644 >> --- a/drivers/spi/spi-mem.c >> +++ b/drivers/spi/spi-mem.c >> @@ -189,11 +189,14 @@ static bool spi_mem_internal_supports_op(struct spi_mem *mem, >> const struct spi_mem_op *op) >> { >> struct spi_controller *ctlr = mem->spi->controller; >> + bool ret; >> + >> + ret = spi_mem_default_supports_op(mem, op); >> >> if (ctlr->mem_ops && ctlr->mem_ops->supports_op) >> - return ctlr->mem_ops->supports_op(mem, op); >> + ret = ctlr->mem_ops->supports_op(mem, op); >> >> - return spi_mem_default_supports_op(mem, op); >> + return ret; >> } >> >> /** > -- Regards Vignesh