2018-11-16 22:12:34

by Rob Herring

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

Remove directly accessing device_node.type pointer and use the accessors
instead. This will eventually allow removing the type pointer.

Cc: Frederic Barrat <[email protected]>
Cc: Andrew Donnellan <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: [email protected]
Signed-off-by: Rob Herring <[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++;
}
--
2.19.1



2018-11-19 00:41:34

by Andrew Donnellan

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

On 17/11/18 9:11 am, Rob Herring wrote:
> Remove directly accessing device_node.type pointer and use the accessors
> instead. This will eventually allow removing the type pointer.
>

This description doesn't quite match what's being fixed - we're not
accessing the .type pointer, we're getting the device_type property
directly.

> Cc: Frederic Barrat <[email protected]>
> Cc: Andrew Donnellan <[email protected]>
> Cc: Arnd Bergmann <[email protected]>
> Cc: Greg Kroah-Hartman <[email protected]>
> Cc: [email protected]
> Signed-off-by: Rob Herring <[email protected]>

Apart from that:

Acked-by: Andrew Donnellan <[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++;
> }
>

--
Andrew Donnellan OzLabs, ADL Canberra
[email protected] IBM Australia Limited


2018-12-07 13:08:58

by Michael Ellerman

[permalink] [raw]
Subject: Re: misc: cxl: Use device_type helpers to access the node type

On Fri, 2018-11-16 at 22:11:02 UTC, Rob Herring wrote:
> Remove directly accessing device_node.type pointer and use the accessors
> instead. This will eventually allow removing the type pointer.
>
> Cc: Frederic Barrat <[email protected]>
> Cc: Andrew Donnellan <[email protected]>
> Cc: Arnd Bergmann <[email protected]>
> Cc: Greg Kroah-Hartman <[email protected]>
> Cc: [email protected]
> Signed-off-by: Rob Herring <[email protected]>
> Acked-by: Andrew Donnellan <[email protected]>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/d2db097905d6ec439b7e863dc9a7e7

cheers