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Use the new 'nor-jedec' binding to provide automatic detection of flash
that use the 0x9F READ ID opcode. This can help for use cases where
platforms just specify compatibility with "m25p80", and then see
messages like this:
m25p80 spi32766.0: found s25fl256s1, expected m25p80
Instead, they can just specify the generic string and see this:
m25p80 spi32766.0: s25fl256s1 (32768 Kbytes)
Also, update the language about m25p_ids[] to straighten out the
expectations here. We should no longer need to continuously grow the
m25p_ids[] table, and in fact, we might want to start removing entries
which are not used in device trees so far, so we can just default to
auto-detection as much as possible in the future.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Rafał Miłecki <zajec5@gmail.com>
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The .remove callback may be used when detaching a device via sysfs, so
we can't expect to free up this memory.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
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If no devices were found, we would already have skipped over this code.
Detected by Coverity, CID #744270
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
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Ensures that block2mtd is triggered after the block devices are enumerated
at boot time.
This issue is seen on BCM2835 (Raspberry Pi) systems when mounting JFFS2
block2mtd filesystems, probably because of the delay on enumerating a USB
MMC card reader.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Rodrigo Freire <rfreire@redhat.com>
Signed-off-by: Herton Krzesinski <herton@redhat.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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drivers/mtd/devices/st_spi_fsm.c:1647:17:
warning: comparison between signed and unsigned integer expressions
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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ST's Common Clk Framework is now available. This patch ensures the FSM
makes use of it by obtaining and enabling the EMI clock. If system fails
to provide the EMI clock, we bomb out.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Under certain conditions, the SPI-FSM Controller can be left in a state where
the data FIFO is not entirely empty. This can lead to problems where subsequent
data transfers appear to have been shifted by a number of unidentified bytes.
One simple example would be an errant FSM sequence which loaded more data to the
FIFO than was read by the host. Another more interesting case results from an
obscure artefact in the FSM Controller. When switching from data transfers in
x4 or x2 mode to data transfers in x1 mode, extraneous bytes will appear in the
FIFO, unless the previous data transfer was a multiple of 32 cycles (i.e. 8
bytes for x2, and 16 bytes for x4). This applies equally whether FSM is being
operated directly by a S/W driver, or by the SPI boot-controller in FSM-Boot
mode. Furthermore, data in the FIFO not only survive a transition between
FSM-Boot and FSM, but also a S/W reset of IP block [1].
By taking certain precautions, it is possible to prevent the driver from causing
this type of problem (e.g. ensuring that the host and programmed sequence
agree on the transfer size, and restricting transfer sizes to multiples of
32-cycles [2]). However, at the point the driver is loaded, no assumptions can be
made regarding the state of the FIFO. Even if previous S/W drivers have behaved
correctly, it is impossible to control the number of transactions serviced by
the controller operating in FSM-Boot.
To address this problem, we ensure the FIFO is cleared during initialisation,
before performing any FSM operations. Previously, the fsm_clear_fifo() code was
capable of detecting and clearing any unwanted 32-bit words from the FIFO. This
patch extends the capability to handle an arbitrary number of bytes present in
the FIFO [3]. Now that the issue is better understood, we also remove the calls
to fsm_clear_fifo() following the fsm_read() and fsm_write() operations.
The process of actually clearing the FIFO deserves a mention. While the FIFO
may contain any number of bytes, the SPI_FAST_SEQ_STA register only reports the
number of complete 32-bit words present. Furthermore, data can only be drained
from the FIFO by reading complete 32-bit words. With this in mind, a two stage
process is used to the clear the FIFO:
1. Read any complete 32-bit words from the FIFO, as reported by the
SPI_FAST_SEQ_STA register.
2. Mop up any remaining bytes. At this point, it is not known if there
are 0, 1, 2, or 3 bytes in the FIFO. To handle all cases, a dummy
FSM sequence is used to load one byte at a time, until a complete
32-bit word is formed; at most, 4 bytes will need to be loaded.
[1] Although this issue has existed since early versions of the SPI-FSM
controller, its full extent only emerged recently as a consequence of the
targetpacks starting to use FSM-Boot(x4) as the default configuration.
[2] The requirement to restrict transfers to multiples of 32 cycles was found
empirically back when DUAL and QUAD mode support was added. The current
analysis now gives a satisfactory explanation for this requirement.
[3] Theoretically, it is possible for the FIFO to contain an arbitrary number of
bits. However, since there are no known use-cases that leave incomplete
bytes in the FIFO, only words and bytes are considered here.
Signed-off-by: Angus Clark <angus.clark@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Pull MTD updates from Brian Norris:
"Summary:
- Add device tree support for DoC3
- SPI NOR:
Refactoring, for better layering between spi-nor.c and its
driver users (e.g., m25p80.c)
New flash device support
Support 6-byte ID strings
- NAND:
New NAND driver for Allwinner SoC's (sunxi)
GPMI NAND: add support for raw (no ECC) access, for testing
purposes
Add ATO manufacturer ID
A few odd driver fixes
- MTD tests:
Allow testers to compensate for OOB bitflips in oobtest
Fix a torturetest regression
- nandsim: Support longer ID byte strings
And more"
* tag 'for-linus-20141215' of git://git.infradead.org/linux-mtd: (63 commits)
mtd: tests: abort torturetest on erase errors
mtd: physmap_of: fix potential NULL dereference
mtd: spi-nor: allow NULL as chip name and try to auto detect it
mtd: nand: gpmi: add raw oob access functions
mtd: nand: gpmi: add proper raw access support
mtd: nand: gpmi: add gpmi_copy_bits function
mtd: spi-nor: factor out write_enable() for erase commands
mtd: spi-nor: add support for s25fl128s
mtd: spi-nor: remove the jedec_id/ext_id
mtd: spi-nor: add id/id_len for flash_info{}
mtd: nand: correct the comment of function nand_block_isreserved()
jffs2: Drop bogus if in comment
mtd: atmel_nand: replace memcpy32_toio/memcpy32_fromio with memcpy
mtd: cafe_nand: drop duplicate .write_page implementation
mtd: m25p80: Add support for serial flash Spansion S25FL132K
MTD: m25p80: fix inconsistency in m25p_ids compared to spi_nor_ids
mtd: spi-nor: improve wait-till-ready timeout loop
mtd: delete unnecessary checks before two function calls
mtd: nand: omap: Fix NAND enumeration on 3430 LDP
mtd: nand: add ATO manufacturer info
...
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write_enable() was being duplicated to both m25p80.c and fsl-quadspi.c.
But this should be handled within the spi-nor abstraction layer.
At the same time, let's add write_disable() after erasing, so we don't
leave the flash in a write-enabled state afterward.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Huang Shijie <shijie.huang@intel.com>
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Signed-off-by: Knut Wohlrab <knut.wohlrab@de.bosch.com>
Signed-off-by: Alison Chaiken <alison_chaiken@mentor.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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As stated in a5b7616c5, "mtd: m25p80,spi-nor: Fix module aliases for
m25p80", m25p_ids[] in m25p80.c needs to be kept in sync with
spi_nor_ids[] in spi-nor.c. The change here corrects a misalignment.
(We were missing m25px80 and we had a duplicate w25q128.)
Signed-off-by: Alison Chaiken <alison_chaiken@mentor.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: <stable@vger.kernel.org> # 3.18+
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The functions kfree() and pci_dev_put() test whether their argument is NULL
and then return immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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We are trying to remove the legacy tx_dma and rx_dma fields from the
spi_transfer structure. Currently dataflash uses tx_dma but only to make
sure that it's set to 0 so we can remove this use by replacing with a
zero initialisation of the entire spi_transfer struct.
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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spi-nor.c should be taking care of these now.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Marek Vasut <marex@denx.de>
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For the DDR Quad read, the dummy cycles maybe 3 or 6 which is less then 8.
The dummy cycles is actually 8 for SPI fast/dual/quad read.
This patch makes preparations for the DDR quad read, it fixes the wrong dummy
value for both the spi-nor.c and m25p80.c.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux into driver-core-next
Remove all .owner fields from platform drivers
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With CONFIG_OF=n, we can see the following warning:
drivers/mtd/devices/docg3.c:2122:28: warning: 'docg3_dt_ids' defined but not used [-Wunused-variable]
static struct of_device_id docg3_dt_ids[] = {
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
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Modify phram to include <linux/io.h> rather than <asm/io.h>
Signed-off-by: Rob Ward <robert.ward114@googlemail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Add device-tree support. This is straightforward as docg3 only uses the
standard IOMEM resources.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: devicetree@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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seq_printf doesn't return a useful value, so remove
these misuses.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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m25p80's device ID table is now spi_nor_ids, defined in spi-nor. The
MODULE_DEVICE_TABLE() macro doesn't work with extern definitions, but
its use was also removed at the same time. Now if m25p80 is built as
a module it doesn't get the necessary aliases to be loaded
automatically.
A clean solution to this will involve defining the list of device
IDs in spi-nor.h and removing struct spi_device_id from the spi-nor
API, but this is quite a large change.
As a quick fix suitable for stable, copy the device IDs back into
m25p80.
Fixes: 03e296f613af ("mtd: m25p80: use the SPI nor framework")
Cc: <stable@vger.kernel.org> # 3.16.x: 32f1b7c8352f: mtd: move support for struct flash_platform_data into m25p80
Cc: <stable@vger.kernel.org> # 3.16.x: 90e55b3812a1: mtd: m25p80: get rid of spi_get_device_id
Cc: <stable@vger.kernel.org> # 3.16.x: 70f3ce0510af: mtd: spi-nor: make spi_nor_scan() take a chip type name, not spi_device_id
Cc: <stable@vger.kernel.org> # 3.16.x
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Drivers currently call spi_nor_match_id() and then spi_nor_scan().
This adds a dependency on struct spi_device_id which we want to
avoid. Make spi_nor_scan() do it for them.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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This simplifies the way we use spi_nor framework and will allow us to
drop spi_nor_match_id.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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This "type" seems to be an extra hint for m25p80 about the flash. Some
archs register flash_platform_data with "name" set to "m25p80" and then
with a real flash name set in "type". It seems to be a trick specific
to the m25p80 so let's move it out of spi-nor.
Btw switch to the spi_nor_match_id instead of iterating spi_nor_ids.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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The ELM driver is only used by the OMAP NAND driver, so let's move it
to the nand/ directory. Additionally, let's rename it to a less confusing
name, so the module is built with a meaningful name, instead of the previous
'elm.ko'.
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Fixed checkpatch warnings: "WARNING: Prefer seq_puts to seq_printf"
This patch is created with reference to the ongoing lkml thread
https://lkml.org/lkml/2014/7/15/646
where Andrew Morton wrote:
"
- puts is presumably faster
- puts doesn't go rogue if you accidentally pass it a "%".
- this patch would actually make compiled object files few bytes smaller.
Perhaps because seq_printf() is a varargs function, forcing the
caller to pass args on the stack instead of in registers.
"
Signed-off-by: Samarth Parikh <samarthp@ymail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Linux 3.16-rc6
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Fix various whitespace issues.
No functional changes.
Signed-off-by: Rob Ward <robert.ward114@googlemail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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These two function's switch case lack the 'break' that make them always
return error.
Signed-off-by: Ted Juan <ted.juan@gmail.com>
Acked-by: Pekon Gupta <pekon@ti.com>
Cc: <stable@vger.kernel.org> # 3.12.x+
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Cc: Joern Engel <joern@lazybastard.org>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull module updates from Rusty Russell:
"Most of this is cleaning up various driver sysfs permissions so we can
re-add the perm check (we unified the module param and sysfs checks,
but the module ones were stronger so we weakened them temporarily).
Param parsing gets documented, and also "--" now forces args to be
handed to init (and ignored by the kernel).
Module NX/RO protections get tightened: we now set them before calling
parse_args()"
* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
module: set nx before marking module MODULE_STATE_COMING.
samples/kobject/: avoid world-writable sysfs files.
drivers/hid/hid-picolcd_fb: avoid world-writable sysfs files.
drivers/staging/speakup/: avoid world-writable sysfs files.
drivers/regulator/virtual: avoid world-writable sysfs files.
drivers/scsi/pm8001/pm8001_ctl.c: avoid world-writable sysfs files.
drivers/hid/hid-lg4ff.c: avoid world-writable sysfs files.
drivers/video/fbdev/sm501fb.c: avoid world-writable sysfs files.
drivers/mtd/devices/docg3.c: avoid world-writable sysfs files.
speakup: fix incorrect perms on speakup_acntsa.c
cpumask.h: silence warning with -Wsign-compare
Documentation: Update kernel-parameters.tx
param: hand arguments after -- straight to init
modpost: Fix resource leak in read_dump()
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Pull MTD updates from Brian Norris:
- refactor m25p80.c driver for use as a general SPI NOR framework for
other drivers which may speak to SPI NOR flash without providing full
SPI support (i.e., not part of drivers/spi/)
- new Freescale QuadSPI driver (utilizing new SPI NOR framework)
- updates for the STMicro "FSM" SPI NOR driver
- fix sync/flush behavior on mtd_blkdevs
- fixup subpage write support on a few NAND drivers
- correct the MTD OOB test for odd-sized OOB areas
- add BCH-16 support for OMAP NAND
- fix warnings and trivial refactoring
- utilize new ECC DT bindings in pxa3xx NAND driver
- new LPDDR NVM driver
- address a few assorted bugs caught by Coverity
- add new imx6sx support for GPMI NAND
- use a bounce buffer for NAND when non-DMA-able buffers are used
* tag 'for-linus-20140610' of git://git.infradead.org/linux-mtd: (77 commits)
mtd: gpmi: add gpmi support for imx6sx
mtd: maps: remove check for CONFIG_MTD_SUPERH_RESERVE
mtd: bf5xx_nand: use the managed version of kzalloc
mtd: pxa3xx_nand: make the driver work on big-endian systems
mtd: nand: omap: fix omap_calculate_ecc_bch() for-loop error
mtd: nand: r852: correct write_buf loop bounds
mtd: nand_bbt: handle error case for nand_create_badblock_pattern()
mtd: nand_bbt: remove unused variable
mtd: maps: sc520cdp: fix warnings
mtd: slram: fix unused variable warning
mtd: pfow: remove unused variable
mtd: lpddr: fix Kconfig dependency, for I/O accessors
mtd: nand: pxa3xx: Add supported ECC strength and step size to the DT binding
mtd: nand: pxa3xx: Use ECC strength and step size devicetree binding
mtd: nand: pxa3xx: Clean pxa_ecc_init() error handling
mtd: nand: Warn the user if the selected ECC strength is too weak
mtd: nand: omap: Documentation: How to select correct ECC scheme for your device ?
mtd: nand: omap: add support for BCH16_ECC - NAND driver updates
mtd: nand: omap: add support for BCH16_ECC - ELM driver updates
mtd: nand: omap: add support for BCH16_ECC - GPMC driver updates
...
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drivers/mtd/devices/slram.c: In function 'init_slram':
drivers/mtd/devices/slram.c:283:6: warning: variable 'i' set but not used [-Wunused-but-set-variable]
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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ELM hardware engine is used to detect ECC errors for BCHx ecc-schemes
(like BCH4/BCH8/BCH16). This patch extends configuration of ELM registers
for adding support of BCH16_HW ecc-scheme.
Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Make of_device_id array const, because all OF functions
handle it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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In line with practice for module parameters, we're adding a build-time
check that sysfs files aren't world-writable.
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Commit 03e296f613affcc2671c1e86d8c25ecad867204e ("mtd: m25p80: use the SPI
nor framework") accidentally removed support for Dual SPI read transfers.
Add it back.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Fixes:
drivers/mtd/devices/elm.c:480:12: warning: 'elm_suspend' defined but not used [-Wunused-function]
drivers/mtd/devices/elm.c:488:12: warning: 'elm_resume' defined but not used [-Wunused-function]
Signed-off-by: Wolfram Sang <wsa@sang-engineering.com>
Acked-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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shiraz.hashim@st.com email-id doesn't exist anymore as he has left the
company. Replace ST's id with shiraz.linux.kernel@gmail.com.
It also updates .mailmap file to fix address for 'git shortlog'.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Shiraz Hashim <shiraz.linux.kernel@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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COMPILE_TEST allows us to build this driver on other arch'es. But not
all arch'es have the right I/O accessors -- particularly, x86 is missing
readsl() and writesl().
So just restrict this driver to ARCH_STI. It's still buildable for a
multiplatform ARM kernel, so it can get decent compile coverage.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
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Compile-testing for a 64-bit arch uncovers several bad casts:
In file included from include/linux/linkage.h:4:0,
from include/linux/kernel.h:6,
from drivers/mtd/devices/st_spi_fsm.c:15:
drivers/mtd/devices/st_spi_fsm.c: In function ‘stfsm_read_fifo’:
drivers/mtd/devices/st_spi_fsm.c:758:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
BUG_ON((((uint32_t)buf) & 0x3) || (size & 0x3));
...
Use uintptr_t instead of uint32_t, since it's guaranteed to be
pointer-sized.
We also see this warning, if size_t is not 32 bits wide:
In file included from drivers/mtd/devices/st_spi_fsm.c:15:0:
drivers/mtd/devices/st_spi_fsm.c: In function ‘stfsm_mtd_write’:
include/linux/kernel.h:712:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
(void) (&_min1 == &_min2); \
^
drivers/mtd/devices/st_spi_fsm.c:1704:11: note: in expansion of macro ‘min’
bytes = min(FLASH_PAGESIZE - page_offs, len);
^
Just use min_t() to force the type conversion, since we don't really
want to upgrade 'page_offs' and 'bytes' to size_t; they only should be
handling <= 256 byte offsets.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
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Many of the serial_flash_cmds.h opcodes are duplicated with spi-nor.h.
Let's begin to unify them.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marek Vasut <marex@denx.de>
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Begin to unify the differences between serial_flash_cmds.h and
spi-nor.h.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marek Vasut <marex@denx.de>
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These are also in serial_flash_cmds.h. (FWIW, I didn't know the C
preprocessor allowed redefinitions without warning like this.)
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marek Vasut <marex@denx.de>
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I hear that this driver should depend on ARCH_STI, and that "SH" is not
actually a real symbol. At the same time, let's allow compile-testing on
other ARCH'es.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marek Vasut <marex@denx.de>
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Huang Shijie <b32955@freescale.com>
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Qualify these with a better namespace, and prepare them for use in more
drivers.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Huang Shijie <b32955@freescale.com>
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This patch adds support for the Macronix MX25L3255E device. Unlike the other
Macronix devices we have seen, this device supports WRITE_1_4_4 at reasonable
frequencies. Rather than masking out WRITE_1_4_4 support altogether, we now
rely on the table parameters to indicate whether or not WRITE_1_4_4 should be
used.
Signed-off-by: Angus Clark <angus.clark@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Add Spansion S25FL032P to the list of known devices.
Signed-off-by: Angus Clark <angus.clark@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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