]> bbs.cooldavid.org Git - net-next-2.6.git/commitdiff
Merge master.kernel.org:/home/rmk/linux-2.6-arm
authorLinus Torvalds <torvalds@linux-foundation.org>
Mon, 5 Jul 2010 03:21:39 +0000 (20:21 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 5 Jul 2010 03:21:39 +0000 (20:21 -0700)
* master.kernel.org:/home/rmk/linux-2.6-arm:
  ARM: 6205/1: perf: ensure counter delta is treated as unsigned
  ARM: 6202/1: Do not ARM_DMA_MEM_BUFFERABLE on RealView boards with L210/L220
  ARM: 6201/1: RealView: Do not use outer_sync() on ARM11MPCore boards with L220
  ARM: 6195/1: OMAP3: pmu: make CPU_HAS_PMU dependent on OMAP3_EMU
  ARM: 6194/1: change definition of cpu_relax() for ARM11MPCore
  ARM: 6193/1: RealView: Align the machine_desc.phys_io to 1MB section
  ARM: 6192/1: VExpress: Align the machine_desc.phys_io to 1MB section
  ARM: 6188/1: Add a config option for the ARM11MPCore DMA cache maintenance workaround
  ARM: 6187/1: The v6_dma_inv_range() function must preserve data on SMP
  ARM: 6186/1: Avoid the CONSISTENT_DMA_SIZE warning on noMMU builds
  ARM: mx3: mx31lilly: fix build error for !CONFIG_USB_ULPI
  [ARM] mmp: fix build failure due to IRQ_PMU depends on ARCH_PXA
  [ARM] pxa/mioa701: fix camera regression
  [ARM] pxa/z2: fix flash layout to final version
  [ARM] pxa/z2: fix missing include in battery driver
  [ARM] pxa: fix incorrect gpio type in udc_pxa2xx.h

20 files changed:
arch/arm/Kconfig
arch/arm/include/asm/mach/udc_pxa2xx.h
arch/arm/include/asm/processor.h
arch/arm/kernel/perf_event.c
arch/arm/mach-mx3/mach-mx31lilly.c
arch/arm/mach-pxa/mioa701.c
arch/arm/mach-pxa/z2.c
arch/arm/mach-realview/Kconfig
arch/arm/mach-realview/include/mach/barriers.h [new file with mode: 0644]
arch/arm/mach-realview/realview_eb.c
arch/arm/mach-realview/realview_pb1176.c
arch/arm/mach-realview/realview_pb11mp.c
arch/arm/mach-realview/realview_pba8.c
arch/arm/mach-realview/realview_pbx.c
arch/arm/mach-vexpress/ct-ca9x4.c
arch/arm/mm/Kconfig
arch/arm/mm/cache-v6.S
arch/arm/mm/dma-mapping.c
arch/arm/plat-pxa/Makefile
drivers/power/z2_battery.c

index 1f254bd6c937ece2e6d6a6b1040d954cc923cd7a..98922f7d2d1236dd7fd29fa404447b46189c0222 100644 (file)
@@ -955,7 +955,8 @@ config XSCALE_PMU
        default y
 
 config CPU_HAS_PMU
-       depends on CPU_V6 || CPU_V7 || XSCALE_PMU
+       depends on (CPU_V6 || CPU_V7 || XSCALE_PMU) && \
+                  (!ARCH_OMAP3 || OMAP3_EMU)
        default y
        bool
 
index f3eabf1ecec333643273d9f797a7afd70cc4894d..833306ee9e7fec2059c457e7e107d586198c4de6 100644 (file)
@@ -21,8 +21,8 @@ struct pxa2xx_udc_mach_info {
         * here.  Note that sometimes the signals go through inverters...
         */
        bool    gpio_vbus_inverted;
-       u16     gpio_vbus;                      /* high == vbus present */
+       int     gpio_vbus;                      /* high == vbus present */
        bool    gpio_pullup_inverted;
-       u16     gpio_pullup;                    /* high == pullup activated */
+       int     gpio_pullup;                    /* high == pullup activated */
 };
 
index 6a89567ffc5bc49a326c0a56747aced339fd53db..7bed3daf83b8f27547ac608d574ffb00de8d1871 100644 (file)
@@ -91,7 +91,11 @@ extern void release_thread(struct task_struct *);
 
 unsigned long get_wchan(struct task_struct *p);
 
+#if __LINUX_ARM_ARCH__ == 6
+#define cpu_relax()                    smp_mb()
+#else
 #define cpu_relax()                    barrier()
+#endif
 
 /*
  * Create a new kernel thread
index c45768614c8aae8cb794cee41b5da85cc7136a2e..de12536d687f69a6fa246038afe9754936d223d9 100644 (file)
@@ -201,7 +201,7 @@ armpmu_event_update(struct perf_event *event,
 {
        int shift = 64 - 32;
        s64 prev_raw_count, new_raw_count;
-       s64 delta;
+       u64 delta;
 
 again:
        prev_raw_count = atomic64_read(&hwc->prev_count);
index d3d5877c750ef2c3ca427a7a2d445a820c500a7c..b2c7f512070fe450b710db83da53ce439a2a2bd4 100644 (file)
@@ -115,6 +115,8 @@ static struct platform_device physmap_flash_device = {
 
 /* USB */
 
+#if defined(CONFIG_USB_ULPI)
+
 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
                        PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 
@@ -244,10 +246,20 @@ static struct mxc_usbh_platform_data usbh2_pdata = {
        .flags  = MXC_EHCI_POWER_PINS_ENABLED,
 };
 
-static struct platform_device *devices[] __initdata = {
-       &smsc91x_device,
-       &physmap_flash_device,
-};
+static void lilly1131_usb_init(void)
+{
+       usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+                               USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+       usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+                               USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+       mxc_register_device(&mxc_usbh1, &usbh1_pdata);
+       mxc_register_device(&mxc_usbh2, &usbh2_pdata);
+}
+
+#else
+static inline void lilly1131_usb_init(void) {}
+#endif /* CONFIG_USB_ULPI */
 
 /* SPI */
 
@@ -279,6 +291,11 @@ static struct spi_board_info mc13783_dev __initdata = {
        .platform_data  = &mc13783_pdata,
 };
 
+static struct platform_device *devices[] __initdata = {
+       &smsc91x_device,
+       &physmap_flash_device,
+};
+
 static int mx31lilly_baseboard;
 core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
 
@@ -321,13 +338,7 @@ static void __init mx31lilly_board_init(void)
        platform_add_devices(devices, ARRAY_SIZE(devices));
 
        /* USB */
-       usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
-                               USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
-       usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
-                               USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
-
-       mxc_register_device(&mxc_usbh1, &usbh1_pdata);
-       mxc_register_device(&mxc_usbh2, &usbh2_pdata);
+       lilly1131_usb_init();
 }
 
 static void __init mx31lilly_timer_init(void)
index d60db87dde0872e32fddae50a0454e4bdfc6161f..fa6a708b40997feb7ae0296c04d91d1afa8930c9 100644 (file)
@@ -697,7 +697,7 @@ static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
 };
 
 /* Board I2C devices. */
-static struct i2c_board_info __initdata mioa701_i2c_devices[] = {
+static struct i2c_board_info mioa701_i2c_devices[] = {
        {
                I2C_BOARD_INFO("mt9m111", 0x5d),
        },
index f5d1ae3db3a46783b4421bf818d50ca4eed1e690..d303c6929d3282803e3b547e9509e7b7aab3b177 100644 (file)
@@ -3,8 +3,9 @@
  *
  *  Support for the Zipit Z2 Handheld device.
  *
- *  Author:    Ken McGuire
- *  Created:   Jan 25, 2009
+ *  Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
+ *
+ *  Based on research and code by: Ken McGuire
  *  Based on mainstone.c as modified for the Zipit Z2.
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -157,21 +158,14 @@ static struct mtd_partition z2_flash_parts[] = {
        {
                .name   = "U-Boot Bootloader",
                .offset = 0x0,
-               .size   = 0x20000,
-       },
-       {
-               .name   = "Linux Kernel",
-               .offset = 0x20000,
-               .size   = 0x220000,
-       },
-       {
-               .name   = "Filesystem",
-               .offset = 0x240000,
-               .size   = 0x5b0000,
-       },
-       {
+               .size   = 0x40000,
+       }, {
                .name   = "U-Boot Environment",
-               .offset = 0x7f0000,
+               .offset = 0x40000,
+               .size   = 0x60000,
+       }, {
+               .name   = "Flash",
+               .offset = 0x60000,
                .size   = MTDPART_SIZ_FULL,
        },
 };
index ee5e392430e87e4f45721320e33172f68e933e56..b4575ae9648ee7220ffb40d31359e8f12b7cecbb 100644 (file)
@@ -18,6 +18,7 @@ config REALVIEW_EB_ARM11MP
        bool "Support ARM11MPCore tile"
        depends on MACH_REALVIEW_EB
        select CPU_V6
+       select ARCH_HAS_BARRIERS if SMP
        help
          Enable support for the ARM11MPCore tile on the Realview platform.
 
@@ -35,6 +36,7 @@ config MACH_REALVIEW_PB11MP
        select CPU_V6
        select ARM_GIC
        select HAVE_PATA_PLATFORM
+       select ARCH_HAS_BARRIERS if SMP
        help
          Include support for the ARM(R) RealView MPCore Platform Baseboard.
          PB11MPCore is a platform with an on-board ARM11MPCore and has
diff --git a/arch/arm/mach-realview/include/mach/barriers.h b/arch/arm/mach-realview/include/mach/barriers.h
new file mode 100644 (file)
index 0000000..0c5d749
--- /dev/null
@@ -0,0 +1,8 @@
+/*
+ * Barriers redefined for RealView ARM11MPCore platforms with L220 cache
+ * controller to work around hardware errata causing the outer_sync()
+ * operation to deadlock the system.
+ */
+#define mb()           dsb()
+#define rmb()          dmb()
+#define wmb()          mb()
index 422ccd70d5f532066eb7ce4f855be243563db32d..4425018fab828c864e662dfb4bfd5db369a76a15 100644 (file)
@@ -32,6 +32,7 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/pmu.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/localtimer.h>
@@ -457,7 +458,7 @@ static void __init realview_eb_init(void)
 
 MACHINE_START(REALVIEW_EB, "ARM-RealView EB")
        /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-       .phys_io        = REALVIEW_EB_UART0_BASE,
+       .phys_io        = REALVIEW_EB_UART0_BASE & SECTION_MASK,
        .io_pg_offst    = (IO_ADDRESS(REALVIEW_EB_UART0_BASE) >> 18) & 0xfffc,
        .boot_params    = PHYS_OFFSET + 0x00000100,
        .fixup          = realview_fixup,
index 96568ebfa2bb1b5b3c76b3990bbb4c7cea66252f..099a1f125cf8f6c10b1720ccdcee7623ff5a73ad 100644 (file)
@@ -32,6 +32,7 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/pmu.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 
@@ -351,7 +352,7 @@ static void __init realview_pb1176_init(void)
 
 MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176")
        /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-       .phys_io        = REALVIEW_PB1176_UART0_BASE,
+       .phys_io        = REALVIEW_PB1176_UART0_BASE & SECTION_MASK,
        .io_pg_offst    = (IO_ADDRESS(REALVIEW_PB1176_UART0_BASE) >> 18) & 0xfffc,
        .boot_params    = PHYS_OFFSET + 0x00000100,
        .fixup          = realview_pb1176_fixup,
index 7fbefbbebaf06e488eae02f5521b4cc7d66b54f7..0e07a5ccb75f56de33bec477f242d93d88bca448 100644 (file)
@@ -32,6 +32,7 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/pmu.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/localtimer.h>
@@ -373,7 +374,7 @@ static void __init realview_pb11mp_init(void)
 
 MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
        /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-       .phys_io        = REALVIEW_PB11MP_UART0_BASE,
+       .phys_io        = REALVIEW_PB11MP_UART0_BASE & SECTION_MASK,
        .io_pg_offst    = (IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE) >> 18) & 0xfffc,
        .boot_params    = PHYS_OFFSET + 0x00000100,
        .fixup          = realview_fixup,
index d3c113b3dfcecef2e32b3788624e2fbd97d26b1d..ac2f06f1ca500e9bd26603b21ba6c6badf046e11 100644 (file)
@@ -31,6 +31,7 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/pmu.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/gic.h>
 
 #include <asm/mach/arch.h>
@@ -323,7 +324,7 @@ static void __init realview_pba8_init(void)
 
 MACHINE_START(REALVIEW_PBA8, "ARM-RealView PB-A8")
        /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-       .phys_io        = REALVIEW_PBA8_UART0_BASE,
+       .phys_io        = REALVIEW_PBA8_UART0_BASE & SECTION_MASK,
        .io_pg_offst    = (IO_ADDRESS(REALVIEW_PBA8_UART0_BASE) >> 18) & 0xfffc,
        .boot_params    = PHYS_OFFSET + 0x00000100,
        .fixup          = realview_fixup,
index a235ba30996ba42341c9c2d28e724d67f34e54af..08fd683adc4ced929eb255fd8da2e3b733850a87 100644 (file)
@@ -31,6 +31,7 @@
 #include <asm/mach-types.h>
 #include <asm/pmu.h>
 #include <asm/smp_twd.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 
@@ -409,7 +410,7 @@ static void __init realview_pbx_init(void)
 
 MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
        /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-       .phys_io        = REALVIEW_PBX_UART0_BASE,
+       .phys_io        = REALVIEW_PBX_UART0_BASE & SECTION_MASK,
        .io_pg_offst    = (IO_ADDRESS(REALVIEW_PBX_UART0_BASE) >> 18) & 0xfffc,
        .boot_params    = PHYS_OFFSET + 0x00000100,
        .fixup          = realview_pbx_fixup,
index 9b11eedba65fc4163cb33929addc2bf4e6784cbf..6353459bb5671bc2623377529b9a6dfcd5db4a8f 100644 (file)
@@ -10,6 +10,7 @@
 #include <linux/amba/clcd.h>
 
 #include <asm/clkdev.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/arm_timer.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/hardware/gic.h>
@@ -236,7 +237,7 @@ static void ct_ca9x4_init(void)
 }
 
 MACHINE_START(VEXPRESS, "ARM-Versatile Express CA9x4")
-       .phys_io        = V2M_UART0,
+       .phys_io        = V2M_UART0 & SECTION_MASK,
        .io_pg_offst    = (__MMIO_P2V(V2M_UART0) >> 18) & 0xfffc,
        .boot_params    = PHYS_OFFSET + 0x00000100,
        .map_io         = ct_ca9x4_map_io,
index 346ae14824a5ea96365f6e9b66fa8f78cd8cd4bc..101105e5261070118f8039c5ecbcde350792f38f 100644 (file)
@@ -735,6 +735,25 @@ config NEEDS_SYSCALL_FOR_CMPXCHG
          Forget about fast user space cmpxchg support.
          It is just not possible.
 
+config DMA_CACHE_RWFO
+       bool "Enable read/write for ownership DMA cache maintenance"
+       depends on CPU_V6 && SMP
+       default y
+       help
+         The Snoop Control Unit on ARM11MPCore does not detect the
+         cache maintenance operations and the dma_{map,unmap}_area()
+         functions may leave stale cache entries on other CPUs. By
+         enabling this option, Read or Write For Ownership in the ARMv6
+         DMA cache maintenance functions is performed. These LDR/STR
+         instructions change the cache line state to shared or modified
+         so that the cache operation has the desired effect.
+
+         Note that the workaround is only valid on processors that do
+         not perform speculative loads into the D-cache. For such
+         processors, if cache maintenance operations are not broadcast
+         in hardware, other workarounds are needed (e.g. cache
+         maintenance broadcasting in software via FIQ).
+
 config OUTER_CACHE
        bool
 
@@ -794,6 +813,8 @@ config ARM_L1_CACHE_SHIFT
 
 config ARM_DMA_MEM_BUFFERABLE
        bool "Use non-cacheable memory for DMA" if CPU_V6 && !CPU_V7
+       depends on !(MACH_REALVIEW_PB1176 || REALVIEW_EB_ARM11MP || \
+                    MACH_REALVIEW_PB11MP)
        default y if CPU_V6 || CPU_V7
        help
          Historically, the kernel has used strongly ordered mappings to
index e46ecd8471383102b52e5c6475873f3f4bdfc65d..86aa689ef1aa2f6b53cf84a717427df11a25ce1e 100644 (file)
@@ -211,8 +211,9 @@ v6_dma_inv_range:
        mcrne   p15, 0, r1, c7, c15, 1          @ clean & invalidate unified line
 #endif
 1:
-#ifdef CONFIG_SMP
-       str     r0, [r0]                        @ write for ownership
+#ifdef CONFIG_DMA_CACHE_RWFO
+       ldr     r2, [r0]                        @ read for ownership
+       str     r2, [r0]                        @ write for ownership
 #endif
 #ifdef HARVARD_CACHE
        mcr     p15, 0, r0, c7, c6, 1           @ invalidate D line
@@ -234,7 +235,7 @@ v6_dma_inv_range:
 v6_dma_clean_range:
        bic     r0, r0, #D_CACHE_LINE_SIZE - 1
 1:
-#ifdef CONFIG_SMP
+#ifdef CONFIG_DMA_CACHE_RWFO
        ldr     r2, [r0]                        @ read for ownership
 #endif
 #ifdef HARVARD_CACHE
@@ -257,7 +258,7 @@ v6_dma_clean_range:
 ENTRY(v6_dma_flush_range)
        bic     r0, r0, #D_CACHE_LINE_SIZE - 1
 1:
-#ifdef CONFIG_SMP
+#ifdef CONFIG_DMA_CACHE_RWFO
        ldr     r2, [r0]                        @ read for ownership
        str     r2, [r0]                        @ write for ownership
 #endif
@@ -283,9 +284,13 @@ ENTRY(v6_dma_map_area)
        add     r1, r1, r0
        teq     r2, #DMA_FROM_DEVICE
        beq     v6_dma_inv_range
+#ifndef CONFIG_DMA_CACHE_RWFO
+       b       v6_dma_clean_range
+#else
        teq     r2, #DMA_TO_DEVICE
        beq     v6_dma_clean_range
        b       v6_dma_flush_range
+#endif
 ENDPROC(v6_dma_map_area)
 
 /*
@@ -295,6 +300,11 @@ ENDPROC(v6_dma_map_area)
  *     - dir   - DMA direction
  */
 ENTRY(v6_dma_unmap_area)
+#ifndef CONFIG_DMA_CACHE_RWFO
+       add     r1, r1, r0
+       teq     r2, #DMA_TO_DEVICE
+       bne     v6_dma_inv_range
+#endif
        mov     pc, lr
 ENDPROC(v6_dma_unmap_area)
 
index 13fa536d82e695ff69b6e74f8e95853cf7199ede..9e7742f0a102fe5c7d091134391db81d93d71726 100644 (file)
 #include <asm/tlbflush.h>
 #include <asm/sizes.h>
 
-/* Sanity check size */
-#if (CONSISTENT_DMA_SIZE % SZ_2M)
-#error "CONSISTENT_DMA_SIZE must be multiple of 2MiB"
-#endif
-
-#define CONSISTENT_OFFSET(x)   (((unsigned long)(x) - CONSISTENT_BASE) >> PAGE_SHIFT)
-#define CONSISTENT_PTE_INDEX(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PGDIR_SHIFT)
-#define NUM_CONSISTENT_PTES (CONSISTENT_DMA_SIZE >> PGDIR_SHIFT)
-
 static u64 get_coherent_dma_mask(struct device *dev)
 {
        u64 mask = ISA_DMA_THRESHOLD;
@@ -123,6 +114,15 @@ static void __dma_free_buffer(struct page *page, size_t size)
 }
 
 #ifdef CONFIG_MMU
+/* Sanity check size */
+#if (CONSISTENT_DMA_SIZE % SZ_2M)
+#error "CONSISTENT_DMA_SIZE must be multiple of 2MiB"
+#endif
+
+#define CONSISTENT_OFFSET(x)   (((unsigned long)(x) - CONSISTENT_BASE) >> PAGE_SHIFT)
+#define CONSISTENT_PTE_INDEX(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PGDIR_SHIFT)
+#define NUM_CONSISTENT_PTES (CONSISTENT_DMA_SIZE >> PGDIR_SHIFT)
+
 /*
  * These are the page tables (2MB each) covering uncached, DMA consistent allocations
  */
index 6187edfbcb777a13a11eb5eea273abb4901b5c7d..a17cc0c6a6b0117f1a590f3d773bf10c69e2581a 100644 (file)
@@ -2,8 +2,9 @@
 # Makefile for code common across different PXA processor families
 #
 
-obj-y  := dma.o pmu.o
+obj-y  := dma.o
 
+obj-$(CONFIG_ARCH_PXA)         += pmu.o
 obj-$(CONFIG_GENERIC_GPIO)     += gpio.o
 obj-$(CONFIG_PXA3xx)           += mfp.o
 obj-$(CONFIG_ARCH_MMP)         += mfp.o
index 9cca465436e39d07569db4a0a2535332ae2d5fb6..85064a9f649ed34acbfad8db3980afd42bb208ec 100644 (file)
@@ -9,19 +9,13 @@
  *
  */
 
-#include <linux/init.h>
-#include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/power_supply.h>
-#include <linux/i2c.h>
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
 #include <linux/gpio.h>
+#include <linux/i2c.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <asm/irq.h>
-#include <asm/mach/irq.h>
+#include <linux/power_supply.h>
+#include <linux/slab.h>
 #include <linux/z2_battery.h>
 
 #define        Z2_DEFAULT_NAME "Z2"