Re: [PATCH net-next 4/4] net: ipa: activate some commented assertions

From: Leon Romanovsky
Date: Fri Mar 19 2021 - 01:02:04 EST


On Thu, Mar 18, 2021 at 11:29:23PM -0500, Alex Elder wrote:
> Convert some commented assertion statements into real calls to
> ipa_assert(). If the IPA device pointer is available, provide it,
> otherwise pass NULL for that.
>
> There are lots more places to convert, but this serves as an initial
> verification of the new mechanism. The assertions here implement
> both runtime and build-time assertions, both with and without the
> device pointer.
>
> Signed-off-by: Alex Elder <elder@xxxxxxxxxx>
> ---
> drivers/net/ipa/ipa_reg.h | 7 ++++---
> drivers/net/ipa/ipa_table.c | 5 ++++-
> 2 files changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/ipa/ipa_reg.h b/drivers/net/ipa/ipa_reg.h
> index 732e691e9aa62..d0de85de9f08d 100644
> --- a/drivers/net/ipa/ipa_reg.h
> +++ b/drivers/net/ipa/ipa_reg.h
> @@ -9,6 +9,7 @@
> #include <linux/bitfield.h>
>
> #include "ipa_version.h"
> +#include "ipa_assert.h"
>
> struct ipa;
>
> @@ -212,7 +213,7 @@ static inline u32 ipa_reg_bcr_val(enum ipa_version version)
> BCR_HOLB_DROP_L2_IRQ_FMASK |
> BCR_DUAL_TX_FMASK;
>
> - /* assert(version != IPA_VERSION_4_5); */
> + ipa_assert(NULL, version != IPA_VERSION_4_5);

This assert will fire for IPA_VERSION_4_2, I doubt that this is
something you want.

Thanks