* [PATCH] tpm: Use of_reserved_mem_region_to_resource() for "memory-region"
@ 2025-07-03 18:34 Rob Herring (Arm)
2025-07-04 2:58 ` Jarkko Sakkinen
0 siblings, 1 reply; 2+ messages in thread
From: Rob Herring (Arm) @ 2025-07-03 18:34 UTC (permalink / raw)
To: Peter Huewe, Jarkko Sakkinen, Jason Gunthorpe
Cc: linux-integrity, linux-kernel
Use the newly added of_reserved_mem_region_to_resource() function to
handle "memory-region" properties.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
---
drivers/char/tpm/eventlog/of.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/drivers/char/tpm/eventlog/of.c b/drivers/char/tpm/eventlog/of.c
index 930fe43d5daf..92cec9722ee4 100644
--- a/drivers/char/tpm/eventlog/of.c
+++ b/drivers/char/tpm/eventlog/of.c
@@ -24,16 +24,10 @@
static int tpm_read_log_memory_region(struct tpm_chip *chip)
{
- struct device_node *node;
struct resource res;
int rc;
- node = of_parse_phandle(chip->dev.parent->of_node, "memory-region", 0);
- if (!node)
- return -ENODEV;
-
- rc = of_address_to_resource(node, 0, &res);
- of_node_put(node);
+ rc = of_reserved_mem_region_to_resource(chip->dev.parent->of_node, 0, &res);
if (rc)
return rc;
--
2.47.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] tpm: Use of_reserved_mem_region_to_resource() for "memory-region"
2025-07-03 18:34 [PATCH] tpm: Use of_reserved_mem_region_to_resource() for "memory-region" Rob Herring (Arm)
@ 2025-07-04 2:58 ` Jarkko Sakkinen
0 siblings, 0 replies; 2+ messages in thread
From: Jarkko Sakkinen @ 2025-07-04 2:58 UTC (permalink / raw)
To: Rob Herring (Arm)
Cc: Peter Huewe, Jason Gunthorpe, linux-integrity, linux-kernel
On Thu, Jul 03, 2025 at 01:34:24PM -0500, Rob Herring (Arm) wrote:
> Use the newly added of_reserved_mem_region_to_resource() function to
> handle "memory-region" properties.
>
> Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
> ---
> drivers/char/tpm/eventlog/of.c | 8 +-------
> 1 file changed, 1 insertion(+), 7 deletions(-)
>
> diff --git a/drivers/char/tpm/eventlog/of.c b/drivers/char/tpm/eventlog/of.c
> index 930fe43d5daf..92cec9722ee4 100644
> --- a/drivers/char/tpm/eventlog/of.c
> +++ b/drivers/char/tpm/eventlog/of.c
> @@ -24,16 +24,10 @@
>
> static int tpm_read_log_memory_region(struct tpm_chip *chip)
> {
> - struct device_node *node;
> struct resource res;
> int rc;
>
> - node = of_parse_phandle(chip->dev.parent->of_node, "memory-region", 0);
> - if (!node)
> - return -ENODEV;
> -
> - rc = of_address_to_resource(node, 0, &res);
> - of_node_put(node);
> + rc = of_reserved_mem_region_to_resource(chip->dev.parent->of_node, 0, &res);
> if (rc)
> return rc;
>
> --
> 2.47.2
>
Thanks. It is now applied to my master.
BR, Jarkko
^ permalink raw reply [flat|nested] 2+ messages in thread
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