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    • Pablo Bitton's avatar
      Add support for SPI in DaVinci DM6446 (and try to keep support for · 96836edc
      Pablo Bitton authored 
      DM355/DM365/DM6467 and DA8xx).  Mostly the same as the patch by Sandeep
Paulraj.

This has been tested on the DM6446 by defining a spidev device and using a
scope (to check correctness) and a hardware loopback.

This was NOT tested on DM355, DM365 and DM6467 - in fact, it will probably
not work "as is" because its default mode is CS low-inactive (default mode
of SPI in kernel) - need to set CS_HIGH mode to work as in the previous
patch.

Changes from the patch by Sandeep Paulraj:

Bug fixes:
 * Additional word written with chip select up after each transfer.
   Particulary problematic with NO_CS mode where this word can't be
   distiguished from correct words. Problem was in davinci_chip_select.
 * setup() for one chip select may interfere with transfer for another
 * Small nitpicks (bits that can be changed only on VERSION_2)

Features added:
 * Support DM6446
 * Support CS_HIGH mode (using SPIDEF register). Note that CS low is default.

Other:
 * Less accesses to registers used.
 * Once-per-device configuration is done only in probe(), not each transfer.

Uglyness still there:
 * VERSION_X definitions for different SPI controllers - added VERSION_3
   for the dm6446, which is ugly.

NOTE:
This patch is based on following patches:

SPI: DaVinci: Adding SPI driver for DM3xx/DM6467/DA8xx

 The patch adds support for SPI in DaVinci
 DM355/DM365/DM6467 and DA8xx.

 This has been tested on the DM355, DM365 and DM6467 EVMs using
 the EEPROM connected to SPI0
Signed-off-by: default avatarSandeep Paulraj <s-paulraj@ti.com>

DaVinci: DM646x: Adding Support for SPI

 The patch does the following

 1) Adds a clock for SPI
 2) Defines resources specific to DM646x SOC
Signed-off-by: default avatarSandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: default avatarPablo Bitton <pablo.bitton@gmail.com>
Cc: Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      96836edc
  23. 14 Aug, 2009 5 commits
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  45. 17 Aug, 2009 1 commit
    • Andrew Morton's avatar
      ERROR: "foo * bar" should be "foo *bar" · aa43fdfe
      Andrew Morton authored 
      #357: FILE: fs/proc/kcore.c:486:
+static int open_kcore(struct inode * inode, struct file *filp)

total: 1 errors, 0 warnings, 309 lines checked

./patches/kcore-use-registerd-physmem-information.patch has style problems, please review.  If any of these errors
are false positives report them to the maintainer, see
CHECKPATCH in MAINTAINERS.

Please run checkpatch prior to sending patches

Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      aa43fdfe
  47. 21 Aug, 2009 1 commit
    • Andrew Morton's avatar
      fs/proc/kcore.c: In function 'kcore_update_ram': · efb89699
      Andrew Morton authored 
      fs/proc/kcore.c:144: error: 'max_low_pfn' undeclared (first use in this function)
fs/proc/kcore.c:144: error: (Each undeclared identifier is reported only once
fs/proc/kcore.c:144: error: for each function it appears in.)

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      efb89699