Re: [PATCH v2 3/3] crypto: s5p: add AES support for Exynos5433

Krzysztof Kozlowski
2019-01-24T14:39:17Z

On Thu, 24 Jan 2019 at 15:34, Kamil Konieczny
<k.konieczny@partner.samsung.com> wrote:
>
>
>
> On 24.01.2019 14:37, Corentin Labbe wrote:
> > On Wed, Jan 23, 2019 at 05:55:33PM +0100, Kamil Konieczny wrote:
> >> Add AES crypto HW acceleration for Exynos5433, with the help of SlimSSS IP.
> >>
> >> Signed-off-by: Kamil Konieczny <k.konieczny@partner.samsung.com>
> >> ---
> >> drivers/crypto/s5p-sss.c | 50 ++++++++++++++++++++++++++++++++++++----
> >> 1 file changed, 46 insertions(+), 4 deletions(-)
> >>
> >> diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
> >> index 0064be0e3941..e2d247f59254 100644
> >> [...]
> >> @@ -240,6 +241,7 @@
> >> struct samsung_aes_variant {
> >> unsigned int aes_offset;
> >> unsigned int hash_offset;
> >> + char *clk_names[];
> >
> > Hello
> >
> > this could be set as const
>
> Definitions sets const:
>
> grep "static const" drivers/crypto/s5p-sss.c
>
> static const struct samsung_aes_variant s5p_aes_data = {
> static const struct samsung_aes_variant exynos_aes_data = {
> static const struct samsung_aes_variant exynos5433_slim_aes_data = {
>
> so it is not needed at struct declaration, or am I missing something ?

The struct contains the pointer, so the pointer will be const. However
the pointer can point to either const string or non-const string.
That's the Corentin's comment about. So in fact as he says - this
should be a pointer to a const string.

Best regards,
Krzysztof