3 files changed, 14 insertions, 5 deletions

diff --git a/include/asm-arm/arch-pxa/udc.h b/include/asm-arm/arch-pxa/udc.h
index 30548a30c773..121cd241115d 100644
--- a/include/asm-arm/arch-pxa/udc.h
+++ b/include/asm-arm/arch-pxa/udc.h
@@ -12,6 +12,14 @@ struct pxa2xx_udc_mach_info {
         void (*udc_command)(int cmd);
 #define PXA2XX_UDC_CMD_CONNECT          0       /* let host see us */
 #define PXA2XX_UDC_CMD_DISCONNECT       1       /* so host won't see us */
+
+        /* Boards following the design guidelines in the developer's manual,
+         * with on-chip GPIOs not Lubbock's wierd hardware, can have a sane
+         * VBUS IRQ and omit the methods above.  Store the GPIO number
+         * here; for GPIO 0, also mask in one of the pxa_gpio_mode() bits.
+         */
+        u16     gpio_vbus;                      /* high == vbus present */
+        u16     gpio_pullup;                    /* high == pullup activated */
 };
 
 extern void pxa_set_udc_info(struct pxa2xx_udc_mach_info *info);
diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h
index 8d3919c6458c..4d10d319fa34 100644
--- a/include/asm-arm/pgtable.h
+++ b/include/asm-arm/pgtable.h
@@ -224,9 +224,9 @@ extern struct page *empty_zero_page;
 #define pte_none(pte)           (!pte_val(pte))
 #define pte_clear(mm,addr,ptep) set_pte_at((mm),(addr),(ptep), __pte(0))
 #define pte_page(pte)           (pfn_to_page(pte_pfn(pte)))
-#define pte_offset_kernel(dir,addr)     (pmd_page_kernel(*(dir)) + __pte_index(addr))
-#define pte_offset_map(dir,addr)        (pmd_page_kernel(*(dir)) + __pte_index(addr))
-#define pte_offset_map_nested(dir,addr) (pmd_page_kernel(*(dir)) + __pte_index(addr))
+#define pte_offset_kernel(dir,addr)     (pmd_page_vaddr(*(dir)) + __pte_index(addr))
+#define pte_offset_map(dir,addr)        (pmd_page_vaddr(*(dir)) + __pte_index(addr))
+#define pte_offset_map_nested(dir,addr) (pmd_page_vaddr(*(dir)) + __pte_index(addr))
 #define pte_unmap(pte)          do { } while (0)
 #define pte_unmap_nested(pte)   do { } while (0)
 
@@ -291,7 +291,7 @@ PTE_BIT_FUNC(mkyoung,   |= L_PTE_YOUNG);
                 clean_pmd_entry(pmdp);  \
         } while (0)
 
-static inline pte_t *pmd_page_kernel(pmd_t pmd)
+static inline pte_t *pmd_page_vaddr(pmd_t pmd)
 {
         unsigned long ptr;
 
diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h
index 1e891f860ef3..2ab4078334bf 100644
--- a/include/asm-arm/unistd.h
+++ b/include/asm-arm/unistd.h
@@ -377,6 +377,7 @@
 #endif
 
 #ifdef __KERNEL__
+#include <linux/err.h>
 #include <linux/linkage.h>
 
 #define __sys2(x) #x
@@ -396,7 +397,7 @@
 
 #define __syscall_return(type, res)                                     \
 do {                                                                    \
-        if ((unsigned long)(res) >= (unsigned long)(-129)) {            \
+        if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) {      \
                 errno = -(res);                                         \
                 res = -1;                                               \
         }                                                               \