2018-12-05 19:18:12

by Rob Herring (Arm)

Subject: [PATCH v2] misc: cxl: Use device_type helpers to access the node type

Remove directly accessing device_type property and use the
of_node_is_type accessor instead. While not using it here, this is
part of eventually removing the struct device_node.type pointer.

Cc: Frederic Barrat <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: [email protected]
Acked-by: Andrew Donnellan <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
---
v2:
- Reword commit message as this change was using the .type ptr.

drivers/misc/cxl/pci.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index b66d832d3233..c79ba1c699ad 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -1718,7 +1718,6 @@ int cxl_slot_is_switched(struct pci_dev *dev)
{
struct device_node *np;
int depth = 0;
- const __be32 *prop;

if (!(np = pci_device_to_OF_node(dev))) {
pr_err("cxl: np = NULL\n");
@@ -1727,8 +1726,7 @@ int cxl_slot_is_switched(struct pci_dev *dev)
of_node_get(np);
while (np) {
np = of_get_next_parent(np);
- prop = of_get_property(np, "device_type", NULL);
- if (!prop || strcmp((char *)prop, "pciex"))
+ if (!of_node_is_type(np, "pciex"))
break;
depth++;
}
--
2.19.1

2018-12-06 15:38:39

by Frederic Barrat

Subject: Re: [PATCH v2] misc: cxl: Use device_type helpers to access the node type

Le 05/12/2018 à 20:16, Rob Herring a écrit :
> Remove directly accessing device_type property and use the
> of_node_is_type accessor instead. While not using it here, this is
> part of eventually removing the struct device_node.type pointer.
>
> Cc: Frederic Barrat <[email protected]>
> Cc: Arnd Bergmann <[email protected]>
> Cc: Greg Kroah-Hartman <[email protected]>
> Cc: [email protected]
> Acked-by: Andrew Donnellan <[email protected]>
> Signed-off-by: Rob Herring <[email protected]>
> ---
> v2:
> - Reword commit message as this change was using the .type ptr.

Acked-by: Frederic Barrat <[email protected]>


>
> drivers/misc/cxl/pci.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
> index b66d832d3233..c79ba1c699ad 100644
> --- a/drivers/misc/cxl/pci.c
> +++ b/drivers/misc/cxl/pci.c
> @@ -1718,7 +1718,6 @@ int cxl_slot_is_switched(struct pci_dev *dev)
> {
> struct device_node *np;
> int depth = 0;
> - const __be32 *prop;
>
> if (!(np = pci_device_to_OF_node(dev))) {
> pr_err("cxl: np = NULL\n");
> @@ -1727,8 +1726,7 @@ int cxl_slot_is_switched(struct pci_dev *dev)
> of_node_get(np);
> while (np) {
> np = of_get_next_parent(np);
> - prop = of_get_property(np, "device_type", NULL);
> - if (!prop || strcmp((char *)prop, "pciex"))
> + if (!of_node_is_type(np, "pciex"))
> break;
> depth++;
> }
>

2018-12-10 05:39:48

by Michael Ellerman

Subject: Re: [PATCH v2] misc: cxl: Use device_type helpers to access the node type

Rob Herring <[email protected]> writes:

> Remove directly accessing device_type property and use the
> of_node_is_type accessor instead. While not using it here, this is
> part of eventually removing the struct device_node.type pointer.
>
> Cc: Frederic Barrat <[email protected]>
> Cc: Arnd Bergmann <[email protected]>
> Cc: Greg Kroah-Hartman <[email protected]>
> Cc: [email protected]
> Acked-by: Andrew Donnellan <[email protected]>
> Signed-off-by: Rob Herring <[email protected]>
> ---
> v2:
> - Reword commit message as this change was using the .type ptr.

I already have v1 in my next.

cheers

> diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
> index b66d832d3233..c79ba1c699ad 100644
> --- a/drivers/misc/cxl/pci.c
> +++ b/drivers/misc/cxl/pci.c
> @@ -1718,7 +1718,6 @@ int cxl_slot_is_switched(struct pci_dev *dev)
> {
> struct device_node *np;
> int depth = 0;
> - const __be32 *prop;
>
> if (!(np = pci_device_to_OF_node(dev))) {
> pr_err("cxl: np = NULL\n");
> @@ -1727,8 +1726,7 @@ int cxl_slot_is_switched(struct pci_dev *dev)
> of_node_get(np);
> while (np) {
> np = of_get_next_parent(np);
> - prop = of_get_property(np, "device_type", NULL);
> - if (!prop || strcmp((char *)prop, "pciex"))
> + if (!of_node_is_type(np, "pciex"))
> break;
> depth++;
> }
> --
> 2.19.1