Merge branch 'master' into for-linus

Conflicts:
	fs/pipe.c

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

114 files changed, 2757 insertions, 802 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 3da73f5f0ae9..224a38c960d4 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -248,11 +248,12 @@ int acpi_check_region(resource_size_t start, resource_size_t n,
 int acpi_check_mem_region(resource_size_t start, resource_size_t n,
 		      const char *name);
 
+int acpi_resources_are_enforced(void);
+
 #ifdef CONFIG_PM_SLEEP
 void __init acpi_no_s4_hw_signature(void);
 void __init acpi_old_suspend_ordering(void);
 void __init acpi_s4_no_nvs(void);
-void __init acpi_set_sci_en_on_resume(void);
 #endif /* CONFIG_PM_SLEEP */
 
 struct acpi_osc_context {
diff --git a/include/linux/aio.h b/include/linux/aio.h
index 811dbb369379..7a8db4155281 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -212,6 +212,8 @@ extern void kick_iocb(struct kiocb *iocb);
 extern int aio_complete(struct kiocb *iocb, long res, long res2);
 struct mm_struct;
 extern void exit_aio(struct mm_struct *mm);
+extern long do_io_submit(aio_context_t ctx_id, long nr,
+			 struct iocb __user *__user *iocbpp, bool compat);
 #else
 static inline ssize_t wait_on_sync_kiocb(struct kiocb *iocb) { return 0; }
 static inline int aio_put_req(struct kiocb *iocb) { return 0; }
@@ -219,6 +221,9 @@ static inline void kick_iocb(struct kiocb *iocb) { }
 static inline int aio_complete(struct kiocb *iocb, long res, long res2) { return 0; }
 struct mm_struct;
 static inline void exit_aio(struct mm_struct *mm) { }
+static inline long do_io_submit(aio_context_t ctx_id, long nr,
+				struct iocb __user * __user *iocbpp,
+				bool compat) { return 0; }
 #endif /* CONFIG_AIO */
 
 static inline struct kiocb *list_kiocb(struct list_head *h)
diff --git a/include/linux/amba/pl022.h b/include/linux/amba/pl022.h
index e4836c6b3dd7..abf26cc47a2b 100644
--- a/include/linux/amba/pl022.h
+++ b/include/linux/amba/pl022.h
@@ -71,6 +71,7 @@ struct ssp_clock_params {
 
 /**
  * enum ssp_rx_endian - endianess of Rx FIFO Data
+ * this feature is only available in ST versionf of PL022
  */
 enum ssp_rx_endian {
 	SSP_RX_MSB,
@@ -181,7 +182,8 @@ enum ssp_microwire_wait_state {
 };
 
 /**
- * enum Microwire - whether Full/Half Duplex
+ * enum ssp_duplex - whether Full/Half Duplex on microwire, only
+ * available in the ST Micro variant.
  * @SSP_MICROWIRE_CHANNEL_FULL_DUPLEX: SSPTXD becomes bi-directional,
  *     SSPRXD not used
  * @SSP_MICROWIRE_CHANNEL_HALF_DUPLEX: SSPTXD is an output, SSPRXD is
@@ -193,6 +195,31 @@ enum ssp_duplex {
 };
 
 /**
+ * enum ssp_clkdelay - an optional clock delay on the feedback clock
+ * only available in the ST Micro PL023 variant.
+ * @SSP_FEEDBACK_CLK_DELAY_NONE: no delay, the data coming in from the
+ * slave is sampled directly
+ * @SSP_FEEDBACK_CLK_DELAY_1T: the incoming slave data is sampled with
+ * a delay of T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_2T: dito with a delay if 2T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_3T: dito with a delay if 3T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_4T: dito with a delay if 4T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_5T: dito with a delay if 5T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_6T: dito with a delay if 6T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_7T: dito with a delay if 7T-dt
+ */
+enum ssp_clkdelay {
+	SSP_FEEDBACK_CLK_DELAY_NONE,
+	SSP_FEEDBACK_CLK_DELAY_1T,
+	SSP_FEEDBACK_CLK_DELAY_2T,
+	SSP_FEEDBACK_CLK_DELAY_3T,
+	SSP_FEEDBACK_CLK_DELAY_4T,
+	SSP_FEEDBACK_CLK_DELAY_5T,
+	SSP_FEEDBACK_CLK_DELAY_6T,
+	SSP_FEEDBACK_CLK_DELAY_7T
+};
+
+/**
  * CHIP select/deselect commands
  */
 enum ssp_chip_select {
@@ -235,6 +262,8 @@ struct pl022_ssp_controller {
  * @ctrl_len: Microwire interface: Control length
  * @wait_state: Microwire interface: Wait state
  * @duplex: Microwire interface: Full/Half duplex
+ * @clkdelay: on the PL023 variant, the delay in feeback clock cycles
+ * before sampling the incoming line
  * @cs_control: function pointer to board-specific function to
  * assert/deassert I/O port to control HW generation of devices chip-select.
  * @dma_xfer_type: Type of DMA xfer (Mem-to-periph or Periph-to-Periph)
@@ -258,6 +287,7 @@ struct pl022_config_chip {
 	enum ssp_microwire_ctrl_len ctrl_len;
 	enum ssp_microwire_wait_state wait_state;
 	enum ssp_duplex duplex;
+	enum ssp_clkdelay clkdelay;
 	void (*cs_control) (u32 control);
 };
 
diff --git a/include/linux/amba/pl330.h b/include/linux/amba/pl330.h
new file mode 100644
index 000000000000..cbee7de7dd36
--- /dev/null
+++ b/include/linux/amba/pl330.h
@@ -0,0 +1,45 @@
+/* linux/include/linux/amba/pl330.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef	__AMBA_PL330_H_
+#define	__AMBA_PL330_H_
+
+#include <asm/hardware/pl330.h>
+
+struct dma_pl330_peri {
+	/*
+	 * Peri_Req i/f of the DMAC that is
+	 * peripheral could be reached from.
+	 */
+	u8 peri_id; /* {0, 31} */
+	enum pl330_reqtype rqtype;
+
+	/* For M->D and D->M Channels */
+	int burst_sz; /* in power of 2 */
+	dma_addr_t fifo_addr;
+};
+
+struct dma_pl330_platdata {
+	/*
+	 * Number of valid peripherals connected to DMAC.
+	 * This may be different from the value read from
+	 * CR0, as the PL330 implementation might have 'holes'
+	 * in the peri list or the peri could also be reached
+	 * from another DMAC which the platform prefers.
+	 */
+	u8 nr_valid_peri;
+	/* Array of valid peripherals */
+	struct dma_pl330_peri *peri;
+	/* Bytes to allocate for MC buffer */
+	unsigned mcbuf_sz;
+};
+
+#endif	/* __AMBA_PL330_H_ */
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 16ed0284d780..1b9ba193b789 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -203,6 +203,9 @@ int block_write_full_page_endio(struct page *page, get_block_t *get_block,
 int block_read_full_page(struct page*, get_block_t*);
 int block_is_partially_uptodate(struct page *page, read_descriptor_t *desc,
 				unsigned long from);
+int block_write_begin_newtrunc(struct file *, struct address_space *,
+				loff_t, unsigned, unsigned,
+				struct page **, void **, get_block_t*);
 int block_write_begin(struct file *, struct address_space *,
 				loff_t, unsigned, unsigned,
 				struct page **, void **, get_block_t*);
@@ -214,6 +217,9 @@ int gen