Re: [PATCH] firmware: vpd: Drop __iomem usage for memremap() memory

From: Guenter Roeck
Date: Mon Mar 18 2019 - 14:36:43 EST


On Mon, Mar 18, 2019 at 08:54:57AM -0700, Stephen Boyd wrote:
> memremap() doesn't return an iomem pointer, so we can just use memcpy()
> and drop the __iomem annotation here. This silences a sparse warning.
>
> Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
> Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> Cc: Anton Vasilyev <vasilyev@xxxxxxxxx>
> Smgned-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>

Smgned ?

Other than that,

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> drivers/firmware/google/vpd.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/firmware/google/vpd.c b/drivers/firmware/google/vpd.c
> index c0c0b4e4e281..f240946ed701 100644
> --- a/drivers/firmware/google/vpd.c
> +++ b/drivers/firmware/google/vpd.c
> @@ -254,7 +254,7 @@ static int vpd_section_destroy(struct vpd_section *sec)
>
> static int vpd_sections_init(phys_addr_t physaddr)
> {
> - struct vpd_cbmem __iomem *temp;
> + struct vpd_cbmem *temp;
> struct vpd_cbmem header;
> int ret = 0;
>
> @@ -262,7 +262,7 @@ static int vpd_sections_init(phys_addr_t physaddr)
> if (!temp)
> return -ENOMEM;
>
> - memcpy_fromio(&header, temp, sizeof(struct vpd_cbmem));
> + memcpy(&header, temp, sizeof(struct vpd_cbmem));
> memunmap(temp);
>
> if (header.magic != VPD_CBMEM_MAGIC)
> --
> Sent by a computer through tubes
>