treewide: remove files for building 5.10 kernel

[openwrt/openwrt.git] / target / linux / generic / backport-5.10 / 809-v5.19-0006-nvmem-Add-Apple-eFuse-driver.patch

diff --git a/target/linux/generic/backport-5.10/809-v5.19-0006-nvmem-Add-Apple-eFuse-driver.patch b/target/linux/generic/backport-5.10/809-v5.19-0006-nvmem-Add-Apple-eFuse-driver.patch
deleted file mode 100644 (file)
index ebeb6f5..0000000
--- a/target/linux/generic/backport-5.10/809-v5.19-0006-nvmem-Add-Apple-eFuse-driver.patch
+++ /dev/null
@@ -1,130 +0,0 @@
-From b6b7ef932ae838209254f016ecf8862d716a5ced Mon Sep 17 00:00:00 2001
-From: Sven Peter <sven@svenpeter.dev>
-Date: Fri, 29 Apr 2022 17:26:50 +0100
-Subject: [PATCH] nvmem: Add Apple eFuse driver
-
-Apple SoCs contain eFuses used to store factory-programmed data such
-as calibration values for the PCIe or the Type-C PHY. They are organized
-as 32bit values exposed as MMIO.
-
-Signed-off-by: Sven Peter <sven@svenpeter.dev>
-Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
-Link: https://lore.kernel.org/r/20220429162701.2222-6-srinivas.kandagatla@linaro.org
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- drivers/nvmem/Kconfig        | 12 ++++++
- drivers/nvmem/Makefile       |  2 +
- drivers/nvmem/apple-efuses.c | 80 ++++++++++++++++++++++++++++++++++++
- 3 files changed, 94 insertions(+)
- create mode 100644 drivers/nvmem/apple-efuses.c
-
---- a/drivers/nvmem/Kconfig
-+++ b/drivers/nvmem/Kconfig
-@@ -324,4 +324,16 @@ config NVMEM_SUNPLUS_OCOTP
-         This driver can also be built as a module. If so, the module
-         will be called nvmem-sunplus-ocotp.
- 
-+config NVMEM_APPLE_EFUSES
-+      tristate "Apple eFuse support"
-+      depends on ARCH_APPLE || COMPILE_TEST
-+      default ARCH_APPLE
-+      help
-+        Say y here to enable support for reading eFuses on Apple SoCs
-+        such as the M1. These are e.g. used to store factory programmed
-+        calibration data required for the PCIe or the USB-C PHY.
-+
-+        This driver can also be built as a module. If so, the module will
-+        be called nvmem-apple-efuses.
-+
- endif
---- a/drivers/nvmem/Makefile
-+++ b/drivers/nvmem/Makefile
-@@ -65,3 +65,5 @@ obj-$(CONFIG_NVMEM_LAYERSCAPE_SFP)   += nv
- nvmem-layerscape-sfp-y                := layerscape-sfp.o
- obj-$(CONFIG_NVMEM_SUNPLUS_OCOTP)     += nvmem_sunplus_ocotp.o
- nvmem_sunplus_ocotp-y         := sunplus-ocotp.o
-+obj-$(CONFIG_NVMEM_APPLE_EFUSES)      += nvmem-apple-efuses.o
-+nvmem-apple-efuses-y          := apple-efuses.o
---- /dev/null
-+++ b/drivers/nvmem/apple-efuses.c
-@@ -0,0 +1,80 @@
-+// SPDX-License-Identifier: GPL-2.0-only
-+/*
-+ * Apple SoC eFuse driver
-+ *
-+ * Copyright (C) The Asahi Linux Contributors
-+ */
-+
-+#include <linux/io.h>
-+#include <linux/mod_devicetable.h>
-+#include <linux/module.h>
-+#include <linux/nvmem-provider.h>
-+#include <linux/platform_device.h>
-+
-+struct apple_efuses_priv {
-+      void __iomem *fuses;
-+};
-+
-+static int apple_efuses_read(void *context, unsigned int offset, void *val,
-+                           size_t bytes)
-+{
-+      struct apple_efuses_priv *priv = context;
-+      u32 *dst = val;
-+
-+      while (bytes >= sizeof(u32)) {
-+              *dst++ = readl_relaxed(priv->fuses + offset);
-+              bytes -= sizeof(u32);
-+              offset += sizeof(u32);
-+      }
-+
-+      return 0;
-+}
-+
-+static int apple_efuses_probe(struct platform_device *pdev)
-+{
-+      struct apple_efuses_priv *priv;
-+      struct resource *res;
-+      struct nvmem_config config = {
-+              .dev = &pdev->dev,
-+              .read_only = true,
-+              .reg_read = apple_efuses_read,
-+              .stride = sizeof(u32),
-+              .word_size = sizeof(u32),
-+              .name = "apple_efuses_nvmem",
-+              .id = NVMEM_DEVID_AUTO,
-+              .root_only = true,
-+      };
-+
-+      priv = devm_kzalloc(config.dev, sizeof(*priv), GFP_KERNEL);
-+      if (!priv)
-+              return -ENOMEM;
-+
-+      priv->fuses = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
-+      if (IS_ERR(priv->fuses))
-+              return PTR_ERR(priv->fuses);
-+
-+      config.priv = priv;
-+      config.size = resource_size(res);
-+
-+      return PTR_ERR_OR_ZERO(devm_nvmem_register(config.dev, &config));
-+}
-+
-+static const struct of_device_id apple_efuses_of_match[] = {
-+      { .compatible = "apple,efuses", },
-+      {}
-+};
-+
-+MODULE_DEVICE_TABLE(of, apple_efuses_of_match);
-+
-+static struct platform_driver apple_efuses_driver = {
-+      .driver = {
-+              .name = "apple_efuses",
-+              .of_match_table = apple_efuses_of_match,
-+      },
-+      .probe = apple_efuses_probe,
-+};
-+
-+module_platform_driver(apple_efuses_driver);
-+
-+MODULE_AUTHOR("Sven Peter <sven@svenpeter.dev>");
-+MODULE_LICENSE("GPL");