[PATCH 1/2] b43: add helper for finding GPIO device
Rafał Miłecki
zajec5 at gmail.com
Tue May 17 12:57:27 EDT 2011
Signed-off-by: Rafał Miłecki <zajec5 at gmail.com>
---
drivers/net/wireless/b43/main.c | 41 ++++++++++++++++++++-------------------
1 files changed, 21 insertions(+), 20 deletions(-)
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index f45db3f..57fd7dd 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2557,10 +2557,20 @@ out:
/* Initialize the GPIOs
* http://bcm-specs.sipsolutions.net/GPIO
*/
-static int b43_gpio_init(struct b43_wldev *dev)
+static struct ssb_device *b43_ssb_gpio_dev(struct b43_wldev *dev)
{
struct ssb_bus *bus = dev->sdev->bus;
- struct ssb_device *gpiodev, *pcidev = NULL;
+
+#ifdef CONFIG_SSB_DRIVER_PCICORE
+ return (bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev);
+#else
+ return bus->chipco.dev;
+#endif
+}
+
+static int b43_gpio_init(struct b43_wldev *dev)
+{
+ struct ssb_device *gpiodev;
u32 mask, set;
b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL)
@@ -2592,15 +2602,11 @@ static int b43_gpio_init(struct b43_wldev *dev)
if (dev->sdev->id.revision >= 2)
mask |= 0x0010; /* FIXME: This is redundant. */
-#ifdef CONFIG_SSB_DRIVER_PCICORE
- pcidev = bus->pcicore.dev;
-#endif
- gpiodev = bus->chipco.dev ? : pcidev;
- if (!gpiodev)
- return 0;
- ssb_write32(gpiodev, B43_GPIO_CONTROL,
- (ssb_read32(gpiodev, B43_GPIO_CONTROL)
- & mask) | set);
+ gpiodev = b43_ssb_gpio_dev(dev);
+ if (gpiodev)
+ ssb_write32(gpiodev, B43_GPIO_CONTROL,
+ (ssb_read32(gpiodev, B43_GPIO_CONTROL)
+ & mask) | set);
return 0;
}
@@ -2608,16 +2614,11 @@ static int b43_gpio_init(struct b43_wldev *dev)
/* Turn off all GPIO stuff. Call this on module unload, for example. */
static void b43_gpio_cleanup(struct b43_wldev *dev)
{
- struct ssb_bus *bus = dev->sdev->bus;
- struct ssb_device *gpiodev, *pcidev = NULL;
+ struct ssb_device *gpiodev;
-#ifdef CONFIG_SSB_DRIVER_PCICORE
- pcidev = bus->pcicore.dev;
-#endif
- gpiodev = bus->chipco.dev ? : pcidev;
- if (!gpiodev)
- return;
- ssb_write32(gpiodev, B43_GPIO_CONTROL, 0);
+ gpiodev = b43_ssb_gpio_dev(dev);
+ if (gpiodev)
+ ssb_write32(gpiodev, B43_GPIO_CONTROL, 0);
}
/* http://bcm-specs.sipsolutions.net/EnableMac */
--
1.7.3.4
More information about the b43-dev
mailing list