linux-toradex.git/drivers/memory/atmel-ebi.c, branch v5.10-rc4

memory: atmel-ebi: switch to SPDX license identifiers

2019-11-07T21:33:10+00:00

Adopt the SPDX license identifiers to ease license compliance
management.

Signed-off-by: Tudor Ambarus 
Link: https://lore.kernel.org/r/20190906151519.19442-1-tudor.ambarus@microchip.com
Signed-off-by: Alexandre Belloni

memory: atmel-ebi: move NUM_CS definition inside EBI driver

2019-11-07T21:33:09+00:00

The total number of EBI CS lines is described by the EBI controller
and not by the Matrix. Move the definition for the number of CS
inside EBI driver.

Signed-off-by: Tudor Ambarus 
Link: https://lore.kernel.org/r/20190906150632.19039-1-tudor.ambarus@microchip.com
Signed-off-by: Alexandre Belloni

memory: atmel-ebi: add sam9x60 EBI support

2019-03-21T15:45:04+00:00

The sam9x60 board defines the CCFG_EBICSA register under SFR,
and not as a MATRIX register, as previous boards do.

Signed-off-by: Tudor Ambarus 
Acked-by: Alexandre Belloni 
Signed-off-by: Miquel Raynal

memory: atmel-ebi: add generic name for ebi regmap

2019-03-21T15:44:59+00:00

The sam9x60 board defines the CCFG_EBICSA register under SFR,
and not as a MATRIX register, as previous boards do. Add a
more generic name for the EBI regmap as a prerequisite for
sam9x60 ebi support.

Signed-off-by: Tudor Ambarus 
Acked-by: Alexandre Belloni 
Signed-off-by: Miquel Raynal

memory: atmel-ebi: Use struct_size() in devm_kzalloc()

2018-08-27T21:10:31+00:00

One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:

struct foo {
	int stuff;
        void *entry[];
};

instance = devm_kzalloc(dev, sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL);

Instead of leaving these open-coded and prone to type mistakes, we can
now use the new struct_size() helper:

instance = devm_kzalloc(dev, struct_size(instance, entry, count), GFP_KERNEL);

This issue was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva 
Reviewed-by: Kees Cook 
Signed-off-by: Alexandre Belloni

Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

2017-09-11T03:40:00+00:00

Pull ARM SoC driver updates from Olof Johansson:
 "This branch contains platform-related driver updates for ARM and ARM64.

  Among them:

   - Reset driver updates:
     + New API for dealing with arrays of resets
     + Make unimplemented {de,}assert return success on shared resets
     + MSDKv1 driver
     + Removal of obsolete Gemini reset driver
     + Misc updates for sunxi and Uniphier

   - SoC drivers:
     + Platform SoC driver registration on Tegra
     + Shuffle of Qualcomm drivers into a submenu
     + Allwinner A64 support for SRAM
     + Renesas R-Car R3 support
     + Power domains for Rockchip RK3366

   - Misc updates and smaller fixes for TEE and memory driver
     subsystems"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
  firmware: arm_scpi: fix endianness of dev_id in struct dev_pstate_set
  soc/tegra: fuse: Add missing semi-colon
  soc/tegra: Restrict SoC device registration to Tegra
  drivers: soc: sunxi: add support for A64 and its SRAM C
  drivers: soc: sunxi: add support for remapping func value to reg value
  drivers: soc: sunxi: fix error processing on base address when claiming
  dt-bindings: add binding for Allwinner A64 SRAM controller and SRAM C
  bus: sunxi-rsb: Enable by default for ARM64
  soc/tegra: Register SoC device
  firmware: tegra: set drvdata earlier
  memory: Convert to using %pOF instead of full_name
  soc: Convert to using %pOF instead of full_name
  bus: Convert to using %pOF instead of full_name
  firmware: Convert to using %pOF instead of full_name
  soc: mediatek: add SCPSYS power domain driver for MediaTek MT7622 SoC
  soc: mediatek: add header files required for MT7622 SCPSYS dt-binding
  soc: mediatek: reduce code duplication of scpsys_probe across all SoCs
  dt-bindings: soc: update the binding document for SCPSYS on MediaTek MT7622 SoC
  reset: uniphier: add analog amplifiers reset control
  reset: uniphier: add video input subsystem reset control
  ...

mfd: syscon: atmel-smc: Add helper to retrieve register layout

2017-09-05T07:46:01+00:00

For HSMC controller, the register layout depends on the device i.e. the
offset of setup, pulse, cycle, mode and timings registers is not the
same. An helper is added to provide the correct register layout.

Fixes: fe9d7cb22ef3 ("mfd: syscon: atmel-smc: Add new helpers to ease
SMC regs manipulation")
Suggested-by: Boris Brezillon 
Signed-off-by: Ludovic Desroches 
Acked-by: Boris Brezillon 
Acked-by: Nicolas Ferre 
Acked-by: Alexandre Belloni 
Signed-off-by: Lee Jones

memory: Convert to using %pOF instead of full_name

2017-08-16T19:37:00+00:00

Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.

Signed-off-by: Rob Herring 
Acked-by: Alexandre Belloni 
Acked-by: Roger Quadros 
Cc: Nicolas Ferre 
Cc: Alexandre Belloni 
Cc: Tony Lindgren 
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-omap@vger.kernel.org
Signed-off-by: Arnd Bergmann

memory: atmel-ebi: Fix smc cycle xlate converter

2017-07-26T20:37:54+00:00

The converter function for translating ns timings in register values was
initialized with a wrong function pointer. This resulted in wrong
register values also for the setup and pulse registers when configuring
the EBI interface trough dts.

Includes a small fix in a comment of the smc driver, which was probably
just a copy'n'paste mistake.

Signed-off-by: Alexander Dahl 
Acked-by: Boris Brezillon 
Acked-by: Lee Jones 
Signed-off-by: Alexandre Belloni

memory: atmel-ebi: Allow t_DF timings of zero ns

2017-07-26T20:37:46+00:00

As reported in [1] and in [2] it's not possible to set the device tree
property 'atmel,smc-tdf-ns' to zero, although the SoC allows a setting
of 0ns for the t_DF time.

Allow this setting by doing the same thing as in the atmel nand
controller driver by setting ncycles to ATMEL_SMC_MODE_TDF_MIN if zero
is set in the dts.

[1] http://lists.infradead.org/pipermail/linux-arm-kernel/2017-March/490966.html
[2] http://lists.infradead.org/pipermail/linux-arm-kernel/2017-July/520652.html

Suggested-by: Boris Brezillon 
Signed-off-by: Alexander Dahl 
Acked-by: Boris Brezillon 
Signed-off-by: Alexandre Belloni