12 files changed, 56 insertions, 19 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 240257dd4238..bdc0c433e88c 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1523,7 +1523,9 @@ and is between 256 and 4096 characters. It is defined in the file
 
         noclflush       [BUGS=X86] Don't use the CLFLUSH instruction
 
-        nohlt           [BUGS=ARM,SH]
+        nohlt           [BUGS=ARM,SH] Tells the kernel that the sleep(SH) or
+                        wfi(ARM) instruction doesn't work correctly and not to
+                        use it. This is also useful when using JTAG debugger.
 
         no-hlt          [BUGS=X86-32] Tells the kernel that the hlt
                         instruction doesn't work correctly and not to
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 7ac812dc055a..e26c4fe61fae 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -198,17 +198,17 @@ static int at91_pm_verify_clocks(void)
         /* USB must not be using PLLB */
         if (cpu_is_at91rm9200()) {
                 if ((scsr & (AT91RM9200_PMC_UHP | AT91RM9200_PMC_UDP)) != 0) {
-                        pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
+                        pr_err("AT91: PM - Suspend-to-RAM with USB still active\n");
                         return 0;
                 }
         } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263() || cpu_is_at91sam9g20()) {
                 if ((scsr & (AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP)) != 0) {
-                        pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
+                        pr_err("AT91: PM - Suspend-to-RAM with USB still active\n");
                         return 0;
                 }
         } else if (cpu_is_at91cap9()) {
                 if ((scsr & AT91CAP9_PMC_UHP) != 0) {
-                        pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
+                        pr_err("AT91: PM - Suspend-to-RAM with USB still active\n");
                         return 0;
                 }
         }
@@ -223,7 +223,7 @@ static int at91_pm_verify_clocks(void)
 
                 css = at91_sys_read(AT91_PMC_PCKR(i)) & AT91_PMC_CSS;
                 if (css != AT91_PMC_CSS_SLOW) {
-                        pr_debug("AT91: PM - Suspend-to-RAM with PCK%d src %d\n", i, css);
+                        pr_err("AT91: PM - Suspend-to-RAM with PCK%d src %d\n", i, css);
                         return 0;
                 }
         }
diff --git a/arch/arm/mach-gemini/include/mach/system.h b/arch/arm/mach-gemini/include/mach/system.h
index bbbd72767a02..4d9c1f872472 100644
--- a/arch/arm/mach-gemini/include/mach/system.h
+++ b/arch/arm/mach-gemini/include/mach/system.h
@@ -28,7 +28,7 @@ static inline void arch_idle(void)
         cpu_do_idle();
 }
 
-static inline void arch_reset(char mode)
+static inline void arch_reset(char mode, const char *cmd)
 {
         __raw_writel(RESET_GLOBAL | RESET_CPU1,
                      IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_RESET);
diff --git a/arch/arm/mach-mmp/include/mach/system.h b/arch/arm/mach-mmp/include/mach/system.h
index 001edfefec19..4f5b0e0ce6cf 100644
--- a/arch/arm/mach-mmp/include/mach/system.h
+++ b/arch/arm/mach-mmp/include/mach/system.h
@@ -14,7 +14,7 @@ static inline void arch_idle(void)
         cpu_do_idle();
 }
 
-static inline void arch_reset(char mode)
+static inline void arch_reset(char mode, const char *cmd)
 {
         cpu_reset(0);
 }
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index a2c3fcc27a22..c49d9bfa3abd 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -47,6 +47,8 @@ obj-$(CONFIG_MACH_OMAP_3430SDP)		+= board-3430sdp.o \
 
 obj-$(CONFIG_MACH_NOKIA_RX51)           += board-rx51.o \
                                            board-rx51-peripherals.o \
+                                           mmc-twl4030.o
+
 # Platform specific device init code
 ifeq ($(CONFIG_USB_MUSB_SOC),y)
 obj-y                                   += usb-musb.o
diff --git a/arch/arm/mach-realview/localtimer.c b/arch/arm/mach-realview/localtimer.c
index 67d6d9cc68b2..d0d39adf6407 100644
--- a/arch/arm/mach-realview/localtimer.c
+++ b/arch/arm/mach-realview/localtimer.c
@@ -191,6 +191,7 @@ void __cpuinit local_timer_setup(void)
         clk->name               = "dummy_timer";
         clk->features           = CLOCK_EVT_FEAT_DUMMY;
         clk->rating             = 200;
+        clk->mult               = 1;
         clk->set_mode           = dummy_timer_set_mode;
         clk->broadcast          = smp_timer_broadcast;
         clk->cpumask            = cpumask_of(cpu);
diff --git a/arch/arm/mm/abort-ev6.S b/arch/arm/mm/abort-ev6.S
index 94077fbd96b7..6f7e70907e44 100644
--- a/arch/arm/mm/abort-ev6.S
+++ b/arch/arm/mm/abort-ev6.S
@@ -29,10 +29,10 @@ ENTRY(v6_early_abort)
         mrc     p15, 0, r1, c5, c0, 0           @ get FSR
         mrc     p15, 0, r0, c6, c0, 0           @ get FAR
 /*
- * Faulty SWP instruction on 1136 doesn't set bit 11 in DFSR.
+ * Faulty SWP instruction on 1136 doesn't set bit 11 in DFSR (erratum 326103).
  * The test below covers all the write situations, including Java bytecodes
  */
-        bic     r1, r1, #1 << 11 | 1 << 10      @ clear bits 11 and 10 of FSR
+        bic     r1, r1, #1 << 11                @ clear bit 11 of FSR
         tst     r3, #PSR_J_BIT                  @ Java?
         movne   pc, lr
         do_thumb_abort
diff --git a/arch/arm/mm/cache-feroceon-l2.c b/arch/arm/mm/cache-feroceon-l2.c
index d6dd83826f8a..6e77c042d8e9 100644
--- a/arch/arm/mm/cache-feroceon-l2.c
+++ b/arch/arm/mm/cache-feroceon-l2.c
@@ -115,6 +115,10 @@ static inline void l2_inv_pa_range(unsigned long start, unsigned long end)
         raw_local_irq_restore(flags);
 }
 
+static inline void l2_inv_all(void)
+{
+        __asm__("mcr p15, 1, %0, c15, c11, 0" : : "r" (0));
+}
 
 /*
  * Linux primitives.
@@ -254,9 +258,7 @@ static void __init enable_dcache(void)
 
 static void __init __invalidate_icache(void)
 {
-        int dummy;
-
-        __asm__ __volatile__("mcr p15, 0, %0, c7, c5, 0" : "=r" (dummy));
+        __asm__("mcr p15, 0, %0, c7, c5, 0" : : "r" (0));
 }
 
 static int __init invalidate_and_disable_icache(void)
@@ -321,6 +323,7 @@ static void __init enable_l2(void)
 
                 d = flush_and_disable_dcache();
                 i = invalidate_and_disable_icache();
+                l2_inv_all();
                 write_extra_features(u | 0x00400000);
                 if (i)
                         enable_icache();
diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S
index ba592a9e6fb3..a2bed62aec21 100644
--- a/arch/arm/vfp/entry.S
+++ b/arch/arm/vfp/entry.S
@@ -15,13 +15,16 @@
  *  r10 = thread_info structure
  *  lr  = failure return
  */
-#include <linux/linkage.h>
-#include <linux/init.h>
-#include <asm/asm-offsets.h>
-#include <asm/assembler.h>
+#include <asm/thread_info.h>
 #include <asm/vfpmacros.h>
+#include "../kernel/entry-header.S"
 
 ENTRY(do_vfp)
+#ifdef CONFIG_PREEMPT
+        ldr     r4, [r10, #TI_PREEMPT]  @ get preempt count
+        add     r11, r4, #1             @ increment it
+        str     r11, [r10, #TI_PREEMPT]
+#endif
         enable_irq
         ldr     r4, .LCvfp
         ldr     r11, [r10, #TI_CPU]     @ CPU number
@@ -30,6 +33,12 @@ ENTRY(do_vfp)
 ENDPROC(do_vfp)
 
 ENTRY(vfp_null_entry)
+#ifdef CONFIG_PREEMPT
+        get_thread_info r10
+        ldr     r4, [r10, #TI_PREEMPT]  @ get preempt count
+        sub     r11, r4, #1             @ decrement it
+        str     r11, [r10, #TI_PREEMPT]
+#endif
         mov     pc, lr
 ENDPROC(vfp_null_entry)
 
@@ -41,6 +50,12 @@ ENDPROC(vfp_null_entry)
 
         __INIT
 ENTRY(vfp_testing_entry)
+#ifdef CONFIG_PREEMPT
+        get_thread_info r10
+        ldr     r4, [r10, #TI_PREEMPT]  @ get preempt count
+        sub     r11, r4, #1             @ decrement it
+        str     r11, [r10, #TI_PREEMPT]
+#endif
         ldr     r0, VFP_arch_address
         str     r5, [r0]                @ known non-zero value
         mov     pc, r9                  @ we have handled the fault
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
index a5a4e57763c3..83c4e384b16d 100644
--- a/arch/arm/vfp/vfphw.S
+++ b/arch/arm/vfp/vfphw.S
@@ -137,6 +137,12 @@ check_for_exception:
         VFPFMXR FPEXC, r1               @ restore FPEXC last
         sub     r2, r2, #4
         str     r2, [sp, #S_PC]         @ retry the instruction
+#ifdef CONFIG_PREEMPT
+        get_thread_info r10
+        ldr     r4, [r10, #TI_PREEMPT]  @ get preempt count
+        sub     r11, r4, #1             @ decrement it
+        str     r11, [r10, #TI_PREEMPT]
+#endif
         mov     pc, r9                  @ we think we have handled things
 
 
@@ -155,6 +161,12 @@ look_for_VFP_exceptions:
         @ not recognised by VFP
 
         DBGSTR  "not VFP"
+#ifdef CONFIG_PREEMPT
+        get_thread_info r10
+        ldr     r4, [r10, #TI_PREEMPT]  @ get preempt count
+        sub     r11, r4, #1             @ decrement it
+        str     r11, [r10, #TI_PREEMPT]
+#endif
         mov     pc, lr
 
 process_exception:
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 75457b30d813..01599c4ef726 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -266,7 +266,7 @@ void VFP_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
                  * on VFP subarch 1.
                  */
                  vfp_raise_exceptions(VFP_EXCEPTION_ERROR, trigger, fpscr, regs);
-                 return;
+                goto exit;
         }
 
         /*
@@ -297,7 +297,7 @@ void VFP_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
          * the FPEXC.FP2V bit is valid only if FPEXC.EX is 1.
          */
         if (fpexc ^ (FPEXC_EX | FPEXC_FP2V))
-                return;
+                goto exit;
 
         /*
          * The barrier() here prevents fpinst2 being read
@@ -310,6 +310,8 @@ void VFP_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
         exceptions = vfp_emulate_instruction(trigger, orig_fpscr, regs);
         if (exceptions)
                 vfp_raise_exceptions(exceptions, trigger, orig_fpscr, regs);
+ exit:
+        preempt_enable();
 }
 
 static void vfp_enable(void *unused)
diff --git a/drivers/pcmcia/pxa2xx_cm_x255.c b/drivers/pcmcia/pxa2xx_cm_x255.c
index 4ed64d8e95e7..5143a760153b 100644
--- a/drivers/pcmcia/pxa2xx_cm_x255.c
+++ b/drivers/pcmcia/pxa2xx_cm_x255.c
@@ -63,7 +63,7 @@ static void cmx255_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
                                        struct pcmcia_state *state)
 {
         int cd = skt->nr ? GPIO_PCMCIA_S1_CD_VALID : GPIO_PCMCIA_S0_CD_VALID;
-        int rdy = skt->nr ? GPIO_PCMCIA_S0_RDYINT : GPIO_PCMCIA_S1_RDYINT;
+        int rdy = skt->nr ? GPIO_PCMCIA_S1_RDYINT : GPIO_PCMCIA_S0_RDYINT;
 
         state->detect = !gpio_get_value(cd);
         state->ready  = !!gpio_get_value(rdy);