From 4c45c111e0bef4c991d38a2bb1a1c0032bebc8e8 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Wed, 21 Sep 2022 10:44:28 +0200 Subject: [PATCH] kernel: update U-Boot NVMEM driver MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 1. Fix casting 2. Support DT-defined variables Signed-off-by: Rafał Miłecki (cherry picked from commit 5652f378c6c607f99a15e6472cdca46c9c4b6162) --- ...upport-passing-DT-node-in-cell-info.patch} | 0 ...handling-U-Boot-environment-variabl.patch} | 0 ...-find-Device-Tree-nodes-for-NVMEM-ce.patch | 29 ++++++++++++++++++ ...em-u-boot-env-fix-crc32-casting-type.patch | 30 +++++++++++++++++++ 4 files changed, 59 insertions(+) rename target/linux/generic/backport-5.4/{802-v5.19-nvmem-core-support-passing-DT-node-in-cell-info.patch => 801-v5.19-nvmem-core-support-passing-DT-node-in-cell-info.patch} (100%) rename target/linux/generic/backport-5.4/{801-v6.1-nvmem-add-driver-handling-U-Boot-environment-variabl.patch => 802-v6.1-0001-nvmem-add-driver-handling-U-Boot-environment-variabl.patch} (100%) create mode 100644 target/linux/generic/backport-5.4/802-v6.1-0002-nvmem-u-boot-env-find-Device-Tree-nodes-for-NVMEM-ce.patch create mode 100644 target/linux/generic/backport-5.4/802-v6.1-0003-nvmem-u-boot-env-fix-crc32-casting-type.patch diff --git a/target/linux/generic/backport-5.4/802-v5.19-nvmem-core-support-passing-DT-node-in-cell-info.patch b/target/linux/generic/backport-5.4/801-v5.19-nvmem-core-support-passing-DT-node-in-cell-info.patch similarity index 100% rename from target/linux/generic/backport-5.4/802-v5.19-nvmem-core-support-passing-DT-node-in-cell-info.patch rename to target/linux/generic/backport-5.4/801-v5.19-nvmem-core-support-passing-DT-node-in-cell-info.patch diff --git a/target/linux/generic/backport-5.4/801-v6.1-nvmem-add-driver-handling-U-Boot-environment-variabl.patch b/target/linux/generic/backport-5.4/802-v6.1-0001-nvmem-add-driver-handling-U-Boot-environment-variabl.patch similarity index 100% rename from target/linux/generic/backport-5.4/801-v6.1-nvmem-add-driver-handling-U-Boot-environment-variabl.patch rename to target/linux/generic/backport-5.4/802-v6.1-0001-nvmem-add-driver-handling-U-Boot-environment-variabl.patch diff --git a/target/linux/generic/backport-5.4/802-v6.1-0002-nvmem-u-boot-env-find-Device-Tree-nodes-for-NVMEM-ce.patch b/target/linux/generic/backport-5.4/802-v6.1-0002-nvmem-u-boot-env-find-Device-Tree-nodes-for-NVMEM-ce.patch new file mode 100644 index 0000000000..3a6b76a221 --- /dev/null +++ b/target/linux/generic/backport-5.4/802-v6.1-0002-nvmem-u-boot-env-find-Device-Tree-nodes-for-NVMEM-ce.patch @@ -0,0 +1,29 @@ +From d69efcf951df4dcc74a0e1554969c533aec8aa9b Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Thu, 15 Sep 2022 22:06:29 +0200 +Subject: [PATCH] nvmem: u-boot-env: find Device Tree nodes for NVMEM cells +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +DT binding allows specifying NVMEM cells as NVMEM device (provider) +subnodes. Looks for such subnodes when building NVMEM cells. + +This allows NVMEM consumers to use U-Boot environment variables. + +Signed-off-by: Rafał Miłecki +Signed-off-by: Srinivas Kandagatla +--- + drivers/nvmem/u-boot-env.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/nvmem/u-boot-env.c ++++ b/drivers/nvmem/u-boot-env.c +@@ -92,6 +92,7 @@ static int u_boot_env_add_cells(struct u + return -ENOMEM; + priv->cells[idx].offset = data_offset + value - data; + priv->cells[idx].bytes = strlen(value); ++ priv->cells[idx].np = of_get_child_by_name(dev->of_node, priv->cells[idx].name); + } + + if (WARN_ON(idx != priv->ncells)) diff --git a/target/linux/generic/backport-5.4/802-v6.1-0003-nvmem-u-boot-env-fix-crc32-casting-type.patch b/target/linux/generic/backport-5.4/802-v6.1-0003-nvmem-u-boot-env-fix-crc32-casting-type.patch new file mode 100644 index 0000000000..6b40557116 --- /dev/null +++ b/target/linux/generic/backport-5.4/802-v6.1-0003-nvmem-u-boot-env-fix-crc32-casting-type.patch @@ -0,0 +1,30 @@ +From 60bbaad38109684b156e21112322e0a922f92cde Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Thu, 18 Aug 2022 06:38:37 +0200 +Subject: [PATCH] nvmem: u-boot-env: fix crc32 casting type +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This fixes: +drivers/nvmem/u-boot-env.c:141:17: sparse: sparse: cast to restricted __le32 + +Reported-by: kernel test robot +Fixes: f955dc1445069 ("nvmem: add driver handling U-Boot environment variables") +Signed-off-by: Rafał Miłecki +Signed-off-by: Srinivas Kandagatla +--- + drivers/nvmem/u-boot-env.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/nvmem/u-boot-env.c ++++ b/drivers/nvmem/u-boot-env.c +@@ -139,7 +139,7 @@ static int u_boot_env_parse(struct u_boo + data_offset = offsetof(struct u_boot_env_image_redundant, data); + break; + } +- crc32 = le32_to_cpu(*(uint32_t *)(buf + crc32_offset)); ++ crc32 = le32_to_cpu(*(__le32 *)(buf + crc32_offset)); + crc32_data_len = priv->mtd->size - crc32_data_offset; + data_len = priv->mtd->size - data_offset; + -- 2.30.2