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According to the dt-bindings, the default value of reg-io-width is 4.
However, the value becomes zero when reg-io-width isn't specified.
Should set the actual value to dws->reg_io_width, considering it
referenced.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20230807001621.196776-1-hayashi.kunihiko@socionext.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Merge series from Yang Yingliang <yangyingliang@huawei.com>:
After introducing devm_spi_alloc_host/spi_alloc_host(), the legacy
named function devm_spi_alloc_master/spi_alloc_master() can be replaced.
And also change other legacy name master/slave to modern name host/target
or controller.
Changes done during conversion:
* added a description, lifting and adapting the limitation sentence from
brcm,bcm63xx-hsspi.yml
* added appropriate compatibles for all SoCs that are supported by
bcm63xx/bmips
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://lore.kernel.org/r/20230727070806.12205-1-jonas.gorski@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
When platform_get_irq() is called, the error message has been printed,
so it need not to call dev_err_probe() to print error, we remove the
redundant platform_get_irq().
Signed-off-by: Zhu Wang <wangzhu9@huawei.com>
Link: https://lore.kernel.org/r/20230801135442.255604-1-wangzhu9@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
In struct mpc52xx_psc_spi, the variable 'irq' is declared as an unsigned int.
The comparison of variable 'irq' with signed int operand is incorrect. Also,
the return value from the call to platform_get_irq(pdev,0) is int and it is
assigned to an unsigned int variable 'irq', thus redeclaring the type of
variable 'irq' to signed int.
This fixes warning such as:
drivers/spi/spi-mpc52xx-psc.c:332:5-13:
WARNING: Unsigned expression compared with zero: mps -> irq < 0
Signed-off-by: Rajeshwar R Shinde <coolrrsh@gmail.com>
Link: https://lore.kernel.org/r/20230807144942.30317-2-coolrrsh@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
It is not possible for platform_get_irq() to return 0. Use the
return value from platform_get_irq().
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> #
Link: https://lore.kernel.org/r/20230802093238.975906-1-ruanjinjie@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The QSPI controller needs three clock items to work properly on StarFive
JH7110 SoC, so there is need to change the maxItems's value to 3.
Signed-off-by: William Qiu <william.qiu@starfivetech.com>
Reviewed-by: Hal Feng <hal.feng@starfivetech.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230804020254.291239-2-william.qiu@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add a label property to allow a custom name to be used for identifying the
controller on a board. This is useful when there is more than one
controller present. Similar change was done by commit 412b7a521c30
("dt-bindings: eeprom: at24: Add label property for AT24").
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/82cd1a57397867b5a1039cd15244344c02a3ece1.1691047461.git.michal.simek@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
There is two warnings reported by coccinelle:
./drivers/spi/spi-mpc512x-psc.c:493:5-13: WARNING:
Unsigned expression compared with zero: mps -> irq < 0
./drivers/spi/spi-mpc52xx-psc.c:332:5-13: WARNING:
Unsigned expression compared with zero: mps -> irq < 0
The commit "208ee586f862"
("spi: mpc5xxx-psc: Return immediately if IRQ resource is unavailable")
was to check whether the IRQ resource is unavailable. When the IRQ
resource is unavailable, an error code is returned, however, the type
of "mps->irq" is "unsigned int", causing the error code to flip. Modify
the type of "mps->irq" to solve this problem.
Fixes: 208ee586f862 ("spi: mpc5xxx-psc: Return immediately if IRQ resource is unavailable")
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Link: https://lore.kernel.org/r/20230803134805.1037251-1-lizetao1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Since platform_get_irq() never returned zero, so it need not to check
whether it returned zero, and we use the return error code of
platform_get_irq() to replace the current return error code, for that
platform_get_irq() may return -EINVAL or -ENXIO.
Signed-off-by: Zhu Wang <wangzhu9@huawei.com>
Link: https://lore.kernel.org/r/20230803083944.21501-1-wangzhu9@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This bus driver supports the Loongson SPI hardware controller in the
Loongson platforms and supports the use DTS and PCI framework to
register SPI device resources.
Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230613075834.5219-3-zhuyinbo@loongson.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
