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[v8,7/7] pcmcia: Convert to use less arguments in pci_bus_for_each_resource()

Message ID 20230330162434.35055-8-andriy.shevchenko@linux.intel.com (mailing list archive)
State Not Applicable
Delegated to: Bjorn Helgaas
Headers show
Series Add pci_dev_for_each_resource() helper and update users | expand

Commit Message

Andy Shevchenko March 30, 2023, 4:24 p.m. UTC 
The pci_bus_for_each_resource() can hide the iterator loop since
it may be not used otherwise. With this, we may drop that iterator
variable definition.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
---
 drivers/pcmcia/rsrc_nonstatic.c | 9 +++------
 drivers/pcmcia/yenta_socket.c   | 3 +--
 2 files changed, 4 insertions(+), 8 deletions(-)

Comments

Andy Shevchenko April 5, 2023, 8:30 a.m. UTC | #1 
On Thu, Mar 30, 2023 at 07:24:34PM +0300, Andy Shevchenko wrote:

...

> @@ -960,12 +960,9 @@ static int nonstatic_autoadd_resources(struct pcmcia_socket *s)
>  	 */
>  	if (s->cb_dev->bus->number == 0)
>  		return -EINVAL;
> -
> -	for (i = 0; i < PCI_BRIDGE_RESOURCE_NUM; i++) {
> -		res = s->cb_dev->bus->resource[i];
> -#else
> -	pci_bus_for_each_resource(s->cb_dev->bus, res, i) {
>  #endif
> +
> +	pci_bus_for_each_resource(s->cb_dev->bus, res) {
>  		if (!res)
>  			continue;

As pointed out in the reply to Bjorn's email this hunk needs to be revisited,
since I wrote the documentation for the above call I have started understanding
the deal behind this special treatment for X86 case.
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Patch

diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index ad1141fddb4c..96264ebee46a 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -934,7 +934,7 @@  static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long
 static int nonstatic_autoadd_resources(struct pcmcia_socket *s)
 {
 	struct resource *res;
-	int i, done = 0;
+	int done = 0;
 
 	if (!s->cb_dev || !s->cb_dev->bus)
 		return -ENODEV;
@@ -960,12 +960,9 @@  static int nonstatic_autoadd_resources(struct pcmcia_socket *s)
 	 */
 	if (s->cb_dev->bus->number == 0)
 		return -EINVAL;
-
-	for (i = 0; i < PCI_BRIDGE_RESOURCE_NUM; i++) {
-		res = s->cb_dev->bus->resource[i];
-#else
-	pci_bus_for_each_resource(s->cb_dev->bus, res, i) {
 #endif
+
+	pci_bus_for_each_resource(s->cb_dev->bus, res) {
 		if (!res)
 			continue;
 
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 1365eaa20ff4..fd18ab571ce8 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -673,9 +673,8 @@  static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
 			    u32 min)
 {
 	struct resource *root;
-	int i;
 
-	pci_bus_for_each_resource(socket->dev->bus, root, i) {
+	pci_bus_for_each_resource(socket->dev->bus, root) {
 		if (!root)
 			continue;