linux-stable.git/drivers/memory, branch v4.19.183

memory: ti-aemif: Drop child node when jumping out loop

2021-03-04T08:39:34+00:00

[ Upstream commit 94e9dd43cf327366388c8f146bccdc6322c0d999 ]

Call of_node_put() to decrement the reference count of the child node
child_np when jumping out of the loop body of
for_each_available_child_of_node(), which is a macro that increments and
decrements the reference count of child node. If the loop is broken, the
reference of the child node should be dropped manually.

Fixes: 5a7c81547c1d ("memory: ti-aemif: introduce AEMIF driver")
Signed-off-by: Pan Bian 
Link: https://lore.kernel.org/r/20210121090359.61763-1-bianpan2016@163.com
Signed-off-by: Krzysztof Kozlowski 
Signed-off-by: Sasha Levin

memory: emif: Remove bogus debugfs error handling

2020-11-05T10:08:45+00:00

[ Upstream commit fd22781648080cc400772b3c68aa6b059d2d5420 ]

Callers are generally not supposed to check the return values from
debugfs functions.  Debugfs functions never return NULL so this error
handling will never trigger.  (Historically debugfs functions used to
return a mix of NULL and error pointers but it was eventually deemed too
complicated for something which wasn't intended to be used in normal
situations).

Delete all the error handling.

Signed-off-by: Dan Carpenter 
Acked-by: Santosh Shilimkar 
Link: https://lore.kernel.org/r/20200826113759.GF393664@mwanda
Signed-off-by: Krzysztof Kozlowski 
Signed-off-by: Sasha Levin

memory: fsl-corenet-cf: Fix handling of platform_get_irq() error

2020-10-30T09:38:24+00:00

[ Upstream commit dd85345abca60a8916617e8d75c0f9ce334336dd ]

platform_get_irq() returns -ERRNO on error.  In such case comparison
to 0 would pass the check.

Fixes: 54afbec0d57f ("memory: Freescale CoreNet Coherency Fabric error reporting driver")
Signed-off-by: Krzysztof Kozlowski 
Link: https://lore.kernel.org/r/20200827073315.29351-1-krzk@kernel.org
Signed-off-by: Sasha Levin

memory: omap-gpmc: Fix build error without CONFIG_OF

2020-10-30T09:38:24+00:00

[ Upstream commit 13d029ee51da365aa9c859db0c7395129252bde8 ]

If CONFIG_OF is n, gcc fails:

drivers/memory/omap-gpmc.o: In function `gpmc_omap_onenand_set_timings':
    omap-gpmc.c:(.text+0x2a88): undefined reference to `gpmc_read_settings_dt'

Add gpmc_read_settings_dt() helper function, which zero the gpmc_settings
so the caller doesn't proceed with random/invalid settings.

Fixes: a758f50f10cf ("mtd: onenand: omap2: Configure driver from DT")
Signed-off-by: YueHaibing 
Acked-by: Roger Quadros 
Link: https://lore.kernel.org/r/20200827125316.20780-1-yuehaibing@huawei.com
Signed-off-by: Krzysztof Kozlowski 
Signed-off-by: Sasha Levin

memory: omap-gpmc: Fix a couple off by ones

2020-10-30T09:38:24+00:00

[ Upstream commit 4c54228ac8fd55044195825873c50a524131fa53 ]

These comparisons should be >= instead of > to prevent reading one
element beyond the end of the gpmc_cs[] array.

Fixes: cdd6928c589a ("ARM: OMAP2+: Add device-tree support for NOR flash")
Fixes: f37e4580c409 ("ARM: OMAP2: Dynamic allocator for GPMC memory space")
Signed-off-by: Dan Carpenter 
Acked-by: Roger Quadros 
Link: https://lore.kernel.org/r/20200825104707.GB278587@mwanda
Signed-off-by: Krzysztof Kozlowski 
Signed-off-by: Sasha Levin

memory: tegra: Don't invoke Tegra30+ specific memory timing setup on Tegra20

2020-01-27T13:50:13+00:00

[ Upstream commit be4dbdec2bab8635c7a41573668624ee13d83022 ]

This fixes irrelevant "tegra-mc 7000f000.memory-controller: no memory
timings for RAM code 0 registered" warning message during of kernels
boot-up on Tegra20.

Fixes: a8d502fd3348 ("memory: tegra: Squash tegra20-mc into common tegra-mc driver")
Signed-off-by: Dmitry Osipenko 
Acked-by: Jon Hunter 
Acked-by: Thierry Reding 
Signed-off-by: Joerg Roedel 
Signed-off-by: Sasha Levin

memory: omap-gpmc: Get the header of the enum

2019-12-05T08:20:29+00:00

[ Upstream commit a0752e9c3097b2c4fccd618802938e0951038dfa ]

Commit 21abf103818a
("gpio: Pass a flag to gpiochip_request_own_desc()")
started to pass an enum gpiod_flags but this file is
not including the header file that defines that enum
and the compiler spits:

drivers/memory/omap-gpmc.c: In function
			    'gpmc_probe_generic_child':
drivers/memory/omap-gpmc.c:2174:9: error: type of formal
				   parameter 4 is incomplete
         0);
         ^

Cc: Ladislav Michl 
Cc: Janusz Krzysztofik 
Reported-by: Stephen Rothwell 
Fixes: 21abf103818a ("gpio: Pass a flag to gpiochip_request_own_desc()")
Acked-by: Tony Lindgren 
Signed-off-by: Linus Walleij 
Signed-off-by: Sasha Levin

memory: tegra: Fix integer overflow on tick value calculation

2019-05-25T16:23:32+00:00

commit b906c056b6023c390f18347169071193fda57dde upstream.

Multiplying the Memory Controller clock rate by the tick count results
in an integer overflow and in result the truncated tick value is being
programmed into hardware, such that the GR3D memory client performance is
reduced by two times.

Cc: stable 
Signed-off-by: Dmitry Osipenko 
Signed-off-by: Thierry Reding 
Signed-off-by: Greg Kroah-Hartman

memory: ti-aemif: fix a potential NULL-pointer dereference

2018-09-06T17:04:07+00:00

Platform data pointer may be NULL. We check it everywhere but in one
place. Fix it.

Fixes: 8af70cd2ca50 ("memory: aemif: add support for board files")
Reported-by: Dan Carpenter 
Signed-off-by: Bartosz Golaszewski 
Cc: stable@vger.kernel.org
Signed-off-by: Olof Johansson

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

2018-08-23T20:52:46+00:00

Pull ARM SoC driver updates from Olof Johansson:
 "Some of the larger changes this merge window:

   - Removal of drivers for Exynos5440, a Samsung SoC that never saw
     widespread use.

   - Uniphier support for USB3 and SPI reset handling

   - Syste control and SRAM drivers and bindings for Allwinner platforms

   - Qualcomm AOSS (Always-on subsystem) reset controller drivers

   - Raspberry Pi hwmon driver for voltage

   - Mediatek pwrap (pmic) support for MT6797 SoC"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (52 commits)
  drivers/firmware: psci_checker: stash and use topology_core_cpumask for hotplug tests
  soc: fsl: cleanup Kconfig menu
  soc: fsl: dpio: Convert DPIO documentation to .rst
  staging: fsl-mc: Remove remaining files
  staging: fsl-mc: Move DPIO from staging to drivers/soc/fsl
  staging: fsl-dpaa2: eth: move generic FD defines to DPIO
  soc: fsl: qe: gpio: Add qe_gpio_set_multiple
  usb: host: exynos: Remove support for Exynos5440
  clk: samsung: Remove support for Exynos5440
  soc: sunxi: Add the A13, A23 and H3 system control compatibles
  reset: uniphier: add reset control support for SPI
  cpufreq: exynos: Remove support for Exynos5440
  ata: ahci-platform: Remove support for Exynos5440
  soc: imx6qp: Use GENPD_FLAG_ALWAYS_ON for PU errata
  soc: mediatek: pwrap: add mt6351 driver for mt6797 SoCs
  soc: mediatek: pwrap: add pwrap driver for mt6797 SoCs
  soc: mediatek: pwrap: fix cipher init setting error
  dt-bindings: pwrap: mediatek: add pwrap support for MT6797
  reset: uniphier: add USB3 core reset control
  dt-bindings: reset: uniphier: add USB3 core reset support
  ...