USB: musb: make HAVE_CLK support optional

The Blackfin port doesn't support HAVE_CLK and the musb driver works fine
with support stubbed out, so take the existing Blackfin clk stubs and move
them to common musb code so we can drop the Kconfig dependency.

Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

4 files changed, 8 insertions, 11 deletions

diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 803adcb5ac1d..760e7271d17b 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -8,7 +8,7 @@ comment "Enable Host or Gadget support to see Inventra options"
 
 # (M)HDRC = (Multipoint) Highspeed Dual-Role Controller
 config USB_MUSB_HDRC
-        depends on (USB || USB_GADGET) && HAVE_CLK
+        depends on (USB || USB_GADGET)
         depends on !SUPERH
         select NOP_USB_XCEIV if ARCH_DAVINCI
         select TWL4030_USB if MACH_OMAP_3430SDP
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index f2f66ebc7362..fcec87ea709e 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -14,7 +14,6 @@
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/list.h>
-#include <linux/clk.h>
 #include <linux/gpio.h>
 #include <linux/io.h>
 
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 381d648a36b8..6aa5f22e5274 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -95,6 +95,13 @@ struct musb_ep;
 #endif
 #endif  /* need MUSB gadget selection */
 
+#ifndef CONFIG_HAVE_CLK
+/* Dummy stub for clk framework */
+#define clk_get(dev, id)        NULL
+#define clk_put(clock)          do {} while (0)
+#define clk_enable(clock)       do {} while (0)
+#define clk_disable(clock)      do {} while (0)
+#endif
 
 #ifdef CONFIG_PROC_FS
 #include <linux/fs.h>
diff --git a/drivers/usb/musb/musb_regs.h b/drivers/usb/musb/musb_regs.h
index fbfd3fd9ce1f..cc1d71b57d3c 100644
--- a/drivers/usb/musb/musb_regs.h
+++ b/drivers/usb/musb/musb_regs.h
@@ -439,15 +439,6 @@ static inline void  musb_write_txhubport(void __iomem *mbase, u8 epnum,
 /* Not implemented - HW has seperate Tx/Rx FIFO */
 #define MUSB_TXCSR_MODE                 0x0000
 
-/*
- * Dummy stub for clk framework, it will be removed
- * until Blackfin supports clk framework
- */
-#define clk_get(dev, id)        NULL
-#define clk_put(clock)          do {} while (0)
-#define clk_enable(clock)       do {} while (0)
-#define clk_disable(clock)      do {} while (0)
-
 static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
 {
 }