[PATCH] bcm43xx: Partially fix PIO code. Add Kconfig option for PIO or DMA mode (or both).
Signed-off-by: Michael Buesch <mbuesch@freenet.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h
index 981d563..3d8ac7e 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx.h
+++ b/drivers/net/wireless/bcm43xx/bcm43xx.h
@@ -639,7 +639,7 @@
u32 initialized:1, /* init_board() succeed */
was_initialized:1, /* for PCI suspend/resume. */
shutting_down:1, /* free_board() in progress */
- pio_mode:1, /* PIO (if true), or DMA (if false) used. */
+ __using_pio:1, /* Internal, use bcm43xx_using_pio(). */
bad_frames_preempt:1, /* Use "Bad Frames Preemption" (default off) */
reg124_set_0x4:1, /* Some variable to keep track of IRQ stuff. */
powersaving:1, /* TRUE if we are in PowerSaving mode. FALSE otherwise. */
@@ -749,6 +749,33 @@
return ieee80211softmac_priv(dev);
}
+
+/* Helper function, which returns a boolean.
+ * TRUE, if PIO is used; FALSE, if DMA is used.
+ */
+#if defined(CONFIG_BCM43XX_DMA) && defined(CONFIG_BCM43XX_PIO)
+static inline
+int bcm43xx_using_pio(struct bcm43xx_private *bcm)
+{
+ return bcm->__using_pio;
+}
+#elif defined(CONFIG_BCM43XX_DMA)
+static inline
+int bcm43xx_using_pio(struct bcm43xx_private *bcm)
+{
+ return 0;
+}
+#elif defined(CONFIG_BCM43XX_PIO)
+static inline
+int bcm43xx_using_pio(struct bcm43xx_private *bcm)
+{
+ return 1;
+}
+#else
+# error "Using neither DMA nor PIO? Confused..."
+#endif
+
+
static inline
int bcm43xx_num_80211_cores(struct bcm43xx_private *bcm)
{