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This patch prepares for supporting STM32 variant which doesn't
have opendrain bit in MMCIPOWER register.
ST others variant (u300, nomadik and ux500) uses MCI_OD bit whereas
others variants uses MCI_ROD bit.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This patch prepares for supporting the STM32 variant that
has no such bit in the status register.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Two mask registers are used in order to select which events have to
actually generate an interrupt on each IRQ line.
It seems that in the single-IRQ case it's assumed that the IRQs lines
are simply OR-ed, while the two mask registers are still present. The
driver still programs the two mask registers separately.
However the STM32 variant has only one IRQ, and also has only one mask
register.
This patch prepares for STM32 variant support by making the driver using
only one mask register.
This patch also optimize the MMCIMASK1 mask usage by caching it into
host->mask1_reg which avoid to read it into mmci_irq().
Tested only on STM32 variant. RFT for variants other than STM32
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This IP provides the write protect signal level in the status
register, but it is also possible to use GPIO for WP. They are
exclusive, so it is not efficient to call mmc_gpio_get_ro() every
time from tmio_mmc_get_ro() if we know gpio_ro is not used.
Check the capability of gpio_ro just once in the probe function,
then set mmc_gpio_get_ro to .get_ro if it is the case.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Like mmc_can_gpio_cd(), mmc_can_gpio_ro() will also be useful for host
drivers to know whether GPIO write-protect detection is supported.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Drivers need to set up various struct members for tmio_mmc_host before
calling tmio_mmc_host_probe(). Do likewise for host->dma_ops instead
of passing it as a function argument.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_of_parse() parses various DT properties and sets capability flags
accordingly. However, drivers have no chance to run platform init
code depending on such flags because mmc_of_parse() is called from
tmio_mmc_host_probe().
Move mmc_of_parse() to tmio_mmc_host_alloc() so that drivers can
handle capabilities before mmc_add_host(). Move tmio_mmc_of_parse()
likewise.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The clock is enabled in the tmio_mmc_host_probe(). It also prevents
drivers from performing platform-specific settings before mmc_add_host()
because the register access generally requires a clock.
Enable/disable the clock in drivers' probe/remove. Also, I passed
tmio_mmc_data to tmio_mmc_host_alloc() because renesas_sdhi_clk_enable()
needs it to get the private data from tmio_mmc_host.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The register region is ioremap'ed in the tmio_mmc_host_probe(), i.e.
drivers cannot get access to the hardware before mmc_add_host().
Actually, renesas_sdhi_core.c reads out the CTL_VERSION register to
complete the platform-specific settings. However, at this point,
the MMC host is already running.
Move the register ioremap to tmio_mmc_host_alloc() so that drivers
can perform platform-specific settings between tmio_mmc_host_alloc()
and tmio_mmc_host_probe().
I changed tmio_mmc_host_alloc() to return an error pointer to
propagate the return code from devm_ioremap_resource().
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Variable opc is initialized with a value that is never read, opc
is later re-assigned a newer value, hence the initialization can
be removed.
Cleans up clang warning:
drivers/mmc/host/sh_mmcif.c:919:6: warning: Value stored to 'opc'
during its initialization is never read
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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In preparation for adding more conditions for whether IRQ wakeup is
enabled, rework sdhci_enable_irq_wakeups() so that needed bits are added
instead of adding them all and then removing the unneeded bits.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Now that sdhci_enable_irq_wakeups() is a local function, change it to
return whether the IRQ wakeup was successfully enabled. This is in
preparation for adding more conditions for whether IRQ wakeup is enabled.
Note it is assumed, for SDHCI devices, that suspend is more important than
wakeup, so we continue to suspend regardless.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Now that it is not being used by any drivers, stop exporting it.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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MMC_PM_WAKE_SDIO_IRQ capability
PCI and ACPI determine if a device is wakeup capable, so use that to
determine the MMC_PM_WAKE_SDIO_IRQ capability correctly.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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sdhci_enable_irq_wakeups() is already called by sdhci_suspend_host() so
sdhci-pci should not need to call it. However sdhci_suspend_host() only
calls it if wakeups are enabled, and sdhci-pci does not enable them until
after calling sdhci_suspend_host(). So move the calls to
sdhci_pci_init_wakeup() before calling sdhci_suspend_host(), and
stop calling sdhci_enable_irq_wakeups(). That results in some
simplification because sdhci_pci_suspend_host() and
__sdhci_pci_suspend_host() no longer need to be separate functions.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Add CQHCI initialization and implement CQHCI operations for Arasan
SDHCI variant host, namely arasan,sdhci-5.1, which is used by Rockchip
RK3399 platform.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Commit 5143c953a786 ("mmc: sdhci-esdhc-imx: Allow all supported
prescaler values") made it possible to set SYSCTL.SDCLKFS to 0 in SDR
mode, thus bypassing the SD clock frequency prescaler, in order to be
able to get higher SD clock frequencies in some contexts. However, that
commit missed the fact that this value is illegal on the eSDHCv3
instance of the i.MX53. This seems to be the only exception on i.MX,
this value being legal even for the eSDHCv2 instances of the i.MX53.
Fix this issue by changing the minimum prescaler value if the i.MX53
eSDHCv3 is detected. According to the i.MX53 reference manual, if
DLLCTRL[10] can be set, then the controller is eSDHCv3, else it is
eSDHCv2.
This commit fixes the following issue, which was preventing the i.MX53
Loco (IMX53QSB) board from booting Linux 4.15.0-rc5:
[ 1.882668] mmcblk1: error -84 transferring data, sector 2048, nr 8, cmd response 0x900, card status 0xc00
[ 2.002255] mmcblk1: error -84 transferring data, sector 2050, nr 6, cmd response 0x900, card status 0xc00
[ 12.645056] mmc1: Timeout waiting for hardware interrupt.
[ 12.650473] mmc1: sdhci: ============ SDHCI REGISTER DUMP ===========
[ 12.656921] mmc1: sdhci: Sys addr: 0x00000000 | Version: 0x00001201
[ 12.663366] mmc1: sdhci: Blk size: 0x00000004 | Blk cnt: 0x00000000
[ 12.669813] mmc1: sdhci: Argument: 0x00000000 | Trn mode: 0x00000013
[ 12.676258] mmc1: sdhci: Present: 0x01f8028f | Host ctl: 0x00000013
[ 12.682703] mmc1: sdhci: Power: 0x00000002 | Blk gap: 0x00000000
[ 12.689148] mmc1: sdhci: Wake-up: 0x00000000 | Clock: 0x0000003f
[ 12.695594] mmc1: sdhci: Timeout: 0x0000008e | Int stat: 0x00000000
[ 12.702039] mmc1: sdhci: Int enab: 0x107f004b | Sig enab: 0x107f004b
[ 12.708485] mmc1: sdhci: AC12 err: 0x00000000 | Slot int: 0x00001201
[ 12.714930] mmc1: sdhci: Caps: 0x07eb0000 | Caps_1: 0x08100810
[ 12.721375] mmc1: sdhci: Cmd: 0x0000163a | Max curr: 0x00000000
[ 12.727821] mmc1: sdhci: Resp[0]: 0x00000920 | Resp[1]: 0x00000000
[ 12.734265] mmc1: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00000000
[ 12.740709] mmc1: sdhci: Host ctl2: 0x00000000
[ 12.745157] mmc1: sdhci: ADMA Err: 0x00000001 | ADMA Ptr: 0xc8049200
[ 12.751601] mmc1: sdhci: ============================================
[ 12.758110] print_req_error: I/O error, dev mmcblk1, sector 2050
[ 12.764135] Buffer I/O error on dev mmcblk1p1, logical block 0, lost sync page write
[ 12.775163] EXT4-fs (mmcblk1p1): mounted filesystem without journal. Opts: (null)
[ 12.782746] VFS: Mounted root (ext4 filesystem) on device 179:9.
[ 12.789151] mmcblk1: response CRC error sending SET_BLOCK_COUNT command, card status 0x900
Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
Reported-by: Wladimir J. van der Laan <laanwj@gmail.com>
Tested-by: Wladimir J. van der Laan <laanwj@gmail.com>
Fixes: 5143c953a786 ("mmc: sdhci-esdhc-imx: Allow all supported prescaler values")
Cc: <stable@vger.kernel.org> # v4.13+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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To use a GPIO line for card detection, TMIO_MMC_USE_GPIO_CD is set
by a legacy board (arch/sh/boards/mach-ecovec24).
For DT platforms, the "cd-gpios" property is a legitimate way for that
in case the IP-builtin card detection can not be used for some reason.
mmc_of_parse() calls mmc_gpiod_request_cd() to set up ctx->cd_gpio if
the "cd-gpios" property is specified.
To cater to both cases, mmc_can_gpio_cd() is a correct way to check
which card detection logic is used.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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On Intel Edison the Broadcom Wi-Fi card, which is connected to SDIO,
requires 2.0v, while the host, according to Intel Merrifield TRM,
supports 1.8v supply only.
The card announces itself as
mmc2: new ultra high speed DDR50 SDIO card at address 0001
Introduce a custom OCR mask for SDIO host controller on Intel Merrifield
and add a special case to sdhci_set_power_noreg() to override 2.0v supply
by enforcing 1.8v power choice.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The inconsistent NULL checking in this function causes static checker
warnings.
drivers/mmc/host/renesas_sdhi_sys_dmac.c:360 renesas_sdhi_sys_dmac_issue_tasklet_fn()
error: we previously assumed 'host' could be null (see line 351)
On reviewing this code, "host" can't ever be NULL so we can just remove
the check.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The Fujitsu SDH30 SDHCI controller may be described as a SCX0002 ACPI
device on ACPI platforms incorporating the Socionext SynQuacer SoC.
Given that mmc_of_parse() has already been made ACPI/DT agnostic,
making the SDH30 driver ACPI capable is actually rather simple:
all we need to do is make the call to sdhci_get_of_property() [which
does not set any properties we care about] and the clock handling
dependent on whether we are dealing with a DT device, and exposing
the ACPI id via the platform_driver struct and the module metadata.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc clock can be stopped during runtime suspend and restart during runtime
resume if the sdio irq is not enabled. Stop sdio clock reduce EMI of
the device when the bus is not in use.
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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runtime_resume() should re-enable the clocks in reverse order comparing with
runtime_suspend()
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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We need to return in case of error even if the actual implementation
of sdhci_runtime_suspend_host always return 0. We don't want to
power down the clock and the assuption is that the sdhci_runtime_suspend_host
always let the system consistent in case of failure
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The Arasan Controller is based on a FPGA platform and has integrated phy
with specific registers used during initialization and
management of different modes. The phy and the controller are integrated
and registers are very specific to Arasan.
Arasan being an IP provider, licenses these IPs to various companies for
integration of IP in custom SOCs. The custom SOCs define own register
map depending on how bits are tied inside the SOC for phy registers,
depending on SOC memory plan and hence will require own platform drivers.
If more details on phy registers are required, an interface document is
hosted at https://arasan.com/NF/eMMC5.1 PHY Programming in Linux.pdf.
Signed-off-by: Atul Garg <agarg@arasan.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The global array clashes with a newly added symbol of the same name:
drivers/staging/ccree/cc_debugfs.o:(.data+0x0): multiple definition of `debug_regs'
drivers/mmc/host/s3cmci.o:(.data+0x70): first defined here
We should fix both, this one addresses the s3cmci driver by removing
the symbol from the global namespace. While at it, this separates
the declaration from the type definition and makes the variable const.
Fixes: 9bdd203b4dc8 ("s3cmci: add debugfs support for examining driver and hardware state")
Fixes: b3ec9a6736f2 ("staging: ccree: staging: ccree: replace sysfs by debugfs interface")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Because we started using io*_rep accessors previously because they are
more widely defined across architectures, let's be consistent and use
this family for all accessor wrappers.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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According to SD spec 3.00 3.6.1 signal voltage switch
procedure step 6~8,
(6) Set 1.8V Signal Enable in the Host Control 2 register.
(7) Wait 5ms. 1.8V voltage regulator shall be stable within this period.
(8) If 1.8V Signal Enable is cleared by Host Controller, go to step (12).
Host should wait 5ms after set 1.8V signal enable bit in
Host Control 2 register and check if 1.8V is stable or not.
But current code checks this bit right after set it.
On some platforms with xenon controller found the bit is
cleared right away and host reports "1.8V regulator output
did not became stable" and 5ms delay can help.
Implement voltage_switch callback for xenon controller to add 5ms
delay to make sure the 1.8V signal enable bit is set by controller.
Signed-off-by: Zhoujie Wu <zjwu@marvell.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Sane values for bus_shift are:
0 - for 16 bit bus
1 - for 32 bit bus
2 - for 64 bit bus
"unsigned long" is too much.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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struct tmio_mmc_host has "scc_tappos", but in fact, it is Renesas
private data. Move it to renesas_sdhi.h
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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struct tmio_mmc_host has "dma_dataend" and "dma_complete", but in fact,
they are Renesas private data. Move them to renesas_sdhi.h
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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struct tmio_mmc_dma looks like TMIO core data, but in fact, Renesas
private data. Move it to renesas_sdhi.h (probably, it is better to
rename it to renesas_sdhi_dma, or squash it into struct renesas_sdhi).
I also moved struct renesas_sdhi and host_to_priv() to that header
because they are necessary to convert the tmio_mmc_host pointer into
the renesas_sdhi pointer.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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renesas_sdhi_probe() always sets host->dma as follows:
host->dma = dma_priv;
!host->dma is always false.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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If the MMC_DRV_OP_GET_EXT_CSD request completes successfully, then
ext_csd must be freed, but in one case it was not. Fix that.
Signed-off-by: Liu Changcheng <changcheng.liu@intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The Weibu F3C MiniPC has an onboard AP6255 module, presenting
two SDIO functions on a single MMC host (Bluetooth/btsdio and
WiFi/brcmfmac), and the mmc layer correctly detects this as
non-removable.
After suspend/resume, the wifi and bluetooth interfaces disappear
and do not get probed again.
The conditions here are:
1. During suspend, we reach mmc_pm_notify()
2. mmc_pm_notify() calls mmc_sdio_pre_suspend() to see if we can
suspend the SDIO host. However, mmc_sdio_pre_suspend() returns
-ENOSYS because btsdio_driver does not have a suspend method.
3. mmc_pm_notify() proceeds to remove the card
4. Upon resume, mmc_rescan() does nothing with this host, because of
the rescan_entered check which aims to only scan a non-removable
device a single time (i.e. during boot).
Fix the loss of functionality by detecting that we are unable to
suspend a non-removable host, so avoid the forced removal in that
case. The comment above this function already indicates that this
code was only intended for removable devices.
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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These duplicate includes have been found with scripts/checkincludes.pl but
they have been removed manually to avoid removing false positives.
Signed-off-by: Pravin Shedge <pravin.shedge4linux@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Drivers do not need to call mmc_gpiod_request_cd_irq() explicitly
because mmc_start_host() calls it. To make it work, cd_gpio must
be set before mmc_add_host().
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Drivers can set any mmc_host_ops hooks between tmio_mmc_host_alloc()
and tmio_mmc_host_probe(). Remove duplicated hooks in tmio_mmc_host.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Currently, tmio_mmc_ops is static data and tmio_mmc_host_probe()
updates some hooks in the static data. This is a problem when
two or more instances call tmio_mmc_host_probe() and each of them
requests to use its own card_busy/start_signal_voltage_switch.
We can borrow a solution from sdhci_alloc_host(). Copy the whole
ops structure to host->mmc_host_ops, then override the hooks in
malloc'ed data. Constify tmio_mmc_ops since it is now a template
ops used by default.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The TMIO core misses to call request_mem_region().
devm_ioremap_resource() takes care of it and makes the code cleaner.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The remove, suspend, resume hooks need to get tmio_mmc_host. It is
tedious to call mmc_priv() to convert mmc_host to tmio_mmc_host.
We can directly set tmio_mmc_host to driver data.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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"goto eprobe" does nothing. Return directly.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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ARCH_RENESAS is a stronger condition than (ARM || ARM64).
If ARCH_RENESAS is enabled, (ARM || ARM64) is met as well.
What is worse, the first depends on line prevents COMPILE_TEST from
enabling this driver. It should be removed.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Not all archs define reads* and writes*. Switch to ioread*_rep and
friends which is defined everywhere, so we can enable COMPILE_TEST after
that.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The following error occurs when loading renesas_sdhi_core.c module,
so add MODULE_LICENSE("GPL v2").
renesas_sdhi_core: module license 'unspecified' taints kernel.
Signed-off-by: Masaharu Hayakawa <masaharu.hayakawa.ry@renesas.com>
Fixes: 9d08428afb72 ("mmc: renesas-sdhi: make renesas_sdhi_sys_dmac main module file")
Cc: <stable@vger.kernel.org> # v4.13+
[Shimoda: Added Fixes tag and Cc to the stable ML]
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The description in the Makefile is odd. Fix the CONFIG selection
in a cleaner way.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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platform_get_irq() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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