[PATCH 12/12] power: reset: account for const type of of_device_id.data
Sebastian Reichel
sre at kernel.org
Tue Jan 9 08:22:43 PST 2018
Hi,
On Tue, Jan 02, 2018 at 02:28:08PM +0100, Julia Lawall wrote:
> This driver creates a const structure that it stores in the data
> field of an of_device_id array.
>
> Add const to the declaration of the location that receives a value
> from the data field to ensure that the compiler will continue to check
> that the value is not modified and remove the const-dropping cast on
> the access to the data field.
>
> Done using Coccinelle.
>
> Signed-off-by: Julia Lawall <Julia.Lawall at lip6.fr>
>
> ---
Thanks, queued.
-- Sebastian
> drivers/power/reset/at91-sama5d2_shdwc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff -u -p a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c
> --- a/drivers/power/reset/at91-sama5d2_shdwc.c
> +++ b/drivers/power/reset/at91-sama5d2_shdwc.c
> @@ -68,7 +68,7 @@ struct shdwc_config {
> };
>
> struct shdwc {
> - struct shdwc_config *cfg;
> + const struct shdwc_config *cfg;
> void __iomem *at91_shdwc_base;
> };
>
> @@ -260,7 +260,7 @@ static int __init at91_shdwc_probe(struc
> }
>
> match = of_match_node(at91_shdwc_of_match, pdev->dev.of_node);
> - at91_shdwc->cfg = (struct shdwc_config *)(match->data);
> + at91_shdwc->cfg = match->data;
>
> sclk = devm_clk_get(&pdev->dev, NULL);
> if (IS_ERR(sclk))
>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20180109/4c51cf66/attachment.sig>
More information about the linux-arm-kernel
mailing list