Re: [PATCH 4/8] iio: chemical: pms7003: use aligned_s64 for timestamp

[Jonathan Cameron <Jonathan.Cameron@huawei.com>]

On Thu, 17 Apr 2025 11:52:36 -0500
David Lechner <dlechner@baylibre.com> wrote:

> Follow the pattern of other drivers and use aligned_s64 for the
> timestamp. This will ensure that the timestamp is correctly aligned on
> all architectures.
> 
> Also move the unaligned.h header while touching this since it was the
> only one not in alphabetical order.
> 
> Signed-off-by: David Lechner <dlechner@baylibre.com>
> ---
>  drivers/iio/chemical/pms7003.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/iio/chemical/pms7003.c b/drivers/iio/chemical/pms7003.c
> index d0bd94912e0a3492641acd955adbc2184f4a11b3..e05ce1f12065c65d14b66ab86e291fab47805dec 100644
> --- a/drivers/iio/chemical/pms7003.c
> +++ b/drivers/iio/chemical/pms7003.c
> @@ -5,7 +5,6 @@
>   * Copyright (c) Tomasz Duszynski <tduszyns@gmail.com>
>   */
>  
> -#include <linux/unaligned.h>
>  #include <linux/completion.h>
>  #include <linux/device.h>
>  #include <linux/errno.h>
> @@ -19,6 +18,8 @@
>  #include <linux/module.h>
>  #include <linux/mutex.h>
>  #include <linux/serdev.h>
> +#include <linux/types.h>
> +#include <linux/unaligned.h>
>  
>  #define PMS7003_DRIVER_NAME "pms7003"
>  
> @@ -76,7 +77,7 @@ struct pms7003_state {
>  	/* Used to construct scan to push to the IIO buffer */
>  	struct {
>  		u16 data[3]; /* PM1, PM2P5, PM10 */
> -		s64 ts;
> +		aligned_s64 ts;

Bug I think..  So another one that really needs a fixes tag.
For all these we might be lucky with padding on the allocations
but we shouldn't really rely on that.

>  	} scan;
>  };
>  
>