Attempt to build MUSB driver with CONFIG_PM=y (e.g. in the OTG mode) on DaVinci
results in these link errors:
drivers/built-in.o: In function `musb_restore_context':
led-triggers.c:(.text+0x714d8): undefined reference to
`musb_platform_restore_context'
drivers/built-in.o: In function `musb_save_context':
led-triggers.c:(.text+0x71788): undefined reference to
`musb_platform_save_context'
This turned out to be caused by commit 9957dd97ec5e98dd334f87ade1d9a0b24d1f86eb
(usb: musb: Fix compile error for omaps for musb_hdrc). Revert it, taking into
account the rename of CONFIG_ARCH_OMAP34XX into CONFIG_ARCH_OMAP3 (which that
commit fixed in a completely inappropriate way).
Signed-off-by: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxx
---
The first -stable patch I guess...
drivers/usb/musb/musb_core.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-2.6/drivers/usb/musb/musb_core.h
===================================================================
--- linux-2.6.orig/drivers/usb/musb/musb_core.h
+++ linux-2.6/drivers/usb/musb/musb_core.h
@@ -469,7 +469,7 @@ struct musb_csr_regs {
struct musb_context_registers {
-#ifdef CONFIG_PM
+#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
u32 otg_sysconfig, otg_forcestandby;
#endif
u8 power;
@@ -483,7 +483,7 @@ struct musb_context_registers {
struct musb_csr_regs index_regs[MUSB_C_NUM_EPS];
};
-#ifdef CONFIG_PM
+#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
extern void musb_platform_save_context(struct musb *musb,
struct musb_context_registers *musb_context);
extern void musb_platform_restore_context(struct musb *musb,
--
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