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Use devm_platform_ioremap_resource_byname() to simplify the code
since it contains platform_get_resource_byname() and
devm_ioremap_resource() respectively.
Link: https://lore.kernel.org/r/20200708164013.5076-1-zhengdejin5@gmail.com
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Reviewed-by: Rob Herring <robh@kernel.org>
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builtin_platform_driver() and MODULE_* are always odd combination.
This file is not compiled as a module by anyone because
CONFIG_PCIE_UNIPHIER is a bool option.
Let's remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.
We explicitly disallow a driver unbind, since that doesn't have a
sensible use case anyway, and it allows us to drop the ".remove" code.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
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Set the mode register to host(RC) mode so that the host controller
mode is set-up consistently across SoCs.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
[lorenzo.pieralisi@arm.com: updated log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
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The call to of_get_child_by_name() returns a node pointer with refcount
incremented thus it must be explicitly decremented after the last
usage.
irq_domain_add_linear() also calls of_node_get() to increase refcount,
so irq_domain will not be affected when it is released.
Detected by coccinelle with the following warnings:
./drivers/pci/controller/dwc/pcie-uniphier.c:283:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 274, but without a corresponding object release within this function.
./drivers/pci/controller/dwc/pcie-uniphier.c:290:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 274, but without a corresponding object release within this function.
./drivers/pci/controller/dwc/pcie-uniphier.c:296:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 274, but without a corresponding object release within this function.
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: linux-pci@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
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This introduces specific glue layer for UniPhier platform to support
PCIe host controller that is based on the DesignWare PCIe core, and
this driver supports Root Complex (host) mode.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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