From 20736013e91030005353b401bc4b757ba5e5fa98 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Sat, 28 Oct 2023 14:07:40 +0200 Subject: [PATCH] kernel: backport nvmem v6.6 fixes and v6.7 changes MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki (cherry picked from commit b5956700702b5649ec70bfa0d115af5b439ce6d1) --- ...nvmem-imx-correct-nregs-for-i.MX6SLL.patch | 28 ++ ...-nvmem-imx-correct-nregs-for-i.MX6UL.patch | 28 ++ ...nvmem-imx-correct-nregs-for-i.MX6ULL.patch | 28 ++ ...mem-qfprom-Mark-core-clk-as-optional.patch | 37 ++ ...it-config-option-to-read-old-syntax-.patch | 330 ++++++++++++++++++ ...0003-nvmem-Use-device_get_match_data.patch | 77 ++++ ...4-Revert-nvmem-add-new-config-option.patch | 77 ++++ ...rans-call-add-disks-after-mtd-device.patch | 2 +- 8 files changed, 606 insertions(+), 1 deletion(-) create mode 100644 target/linux/generic/backport-5.15/819-v6.6-0018-nvmem-imx-correct-nregs-for-i.MX6SLL.patch create mode 100644 target/linux/generic/backport-5.15/819-v6.6-0019-nvmem-imx-correct-nregs-for-i.MX6UL.patch create mode 100644 target/linux/generic/backport-5.15/819-v6.6-0020-nvmem-imx-correct-nregs-for-i.MX6ULL.patch create mode 100644 target/linux/generic/backport-5.15/820-v6.7-0001-nvmem-qfprom-Mark-core-clk-as-optional.patch create mode 100644 target/linux/generic/backport-5.15/820-v6.7-0002-nvmem-add-explicit-config-option-to-read-old-syntax-.patch create mode 100644 target/linux/generic/backport-5.15/820-v6.7-0003-nvmem-Use-device_get_match_data.patch create mode 100644 target/linux/generic/backport-5.15/820-v6.7-0004-Revert-nvmem-add-new-config-option.patch diff --git a/target/linux/generic/backport-5.15/819-v6.6-0018-nvmem-imx-correct-nregs-for-i.MX6SLL.patch b/target/linux/generic/backport-5.15/819-v6.6-0018-nvmem-imx-correct-nregs-for-i.MX6SLL.patch new file mode 100644 index 0000000000..8901a41a64 --- /dev/null +++ b/target/linux/generic/backport-5.15/819-v6.6-0018-nvmem-imx-correct-nregs-for-i.MX6SLL.patch @@ -0,0 +1,28 @@ +From 414a98abbefd82d591f4e2d1efd2917bcd3b6f6d Mon Sep 17 00:00:00 2001 +From: Peng Fan +Date: Fri, 13 Oct 2023 13:49:02 +0100 +Subject: [PATCH] nvmem: imx: correct nregs for i.MX6SLL + +The nregs for i.MX6SLL should be 80 per fuse map, correct it. + +Fixes: 6da27821a6f5 ("nvmem: imx-ocotp: add support for imx6sll") +Cc: Stable@vger.kernel.org +Signed-off-by: Peng Fan +Signed-off-by: Srinivas Kandagatla +Link: https://lore.kernel.org/r/20231013124904.175782-2-srinivas.kandagatla@linaro.org +Signed-off-by: Greg Kroah-Hartman +--- + drivers/nvmem/imx-ocotp.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/nvmem/imx-ocotp.c ++++ b/drivers/nvmem/imx-ocotp.c +@@ -499,7 +499,7 @@ static const struct ocotp_params imx6sl_ + }; + + static const struct ocotp_params imx6sll_params = { +- .nregs = 128, ++ .nregs = 80, + .bank_address_words = 0, + .set_timing = imx_ocotp_set_imx6_timing, + .ctrl = IMX_OCOTP_BM_CTRL_DEFAULT, diff --git a/target/linux/generic/backport-5.15/819-v6.6-0019-nvmem-imx-correct-nregs-for-i.MX6UL.patch b/target/linux/generic/backport-5.15/819-v6.6-0019-nvmem-imx-correct-nregs-for-i.MX6UL.patch new file mode 100644 index 0000000000..db6b951d24 --- /dev/null +++ b/target/linux/generic/backport-5.15/819-v6.6-0019-nvmem-imx-correct-nregs-for-i.MX6UL.patch @@ -0,0 +1,28 @@ +From 7d6e10f5d254681983b53d979422c8de3fadbefb Mon Sep 17 00:00:00 2001 +From: Peng Fan +Date: Fri, 13 Oct 2023 13:49:03 +0100 +Subject: [PATCH] nvmem: imx: correct nregs for i.MX6UL + +The nregs for i.MX6UL should be 144 per fuse map, correct it. + +Fixes: 4aa2b4802046 ("nvmem: octop: Add support for imx6ul") +Cc: Stable@vger.kernel.org +Signed-off-by: Peng Fan +Signed-off-by: Srinivas Kandagatla +Link: https://lore.kernel.org/r/20231013124904.175782-3-srinivas.kandagatla@linaro.org +Signed-off-by: Greg Kroah-Hartman +--- + drivers/nvmem/imx-ocotp.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/nvmem/imx-ocotp.c ++++ b/drivers/nvmem/imx-ocotp.c +@@ -513,7 +513,7 @@ static const struct ocotp_params imx6sx_ + }; + + static const struct ocotp_params imx6ul_params = { +- .nregs = 128, ++ .nregs = 144, + .bank_address_words = 0, + .set_timing = imx_ocotp_set_imx6_timing, + .ctrl = IMX_OCOTP_BM_CTRL_DEFAULT, diff --git a/target/linux/generic/backport-5.15/819-v6.6-0020-nvmem-imx-correct-nregs-for-i.MX6ULL.patch b/target/linux/generic/backport-5.15/819-v6.6-0020-nvmem-imx-correct-nregs-for-i.MX6ULL.patch new file mode 100644 index 0000000000..10ce7cd9f2 --- /dev/null +++ b/target/linux/generic/backport-5.15/819-v6.6-0020-nvmem-imx-correct-nregs-for-i.MX6ULL.patch @@ -0,0 +1,28 @@ +From 2382c1b044231fd49eaf9aa82bc7113fc55487b8 Mon Sep 17 00:00:00 2001 +From: Peng Fan +Date: Fri, 13 Oct 2023 13:49:04 +0100 +Subject: [PATCH] nvmem: imx: correct nregs for i.MX6ULL + +The nregs for i.MX6ULL should be 80 per fuse map, correct it. + +Fixes: ffbc34bf0e9c ("nvmem: imx-ocotp: Implement i.MX6ULL/ULZ support") +Cc: Stable@vger.kernel.org +Signed-off-by: Peng Fan +Signed-off-by: Srinivas Kandagatla +Link: https://lore.kernel.org/r/20231013124904.175782-4-srinivas.kandagatla@linaro.org +Signed-off-by: Greg Kroah-Hartman +--- + drivers/nvmem/imx-ocotp.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/nvmem/imx-ocotp.c ++++ b/drivers/nvmem/imx-ocotp.c +@@ -520,7 +520,7 @@ static const struct ocotp_params imx6ul_ + }; + + static const struct ocotp_params imx6ull_params = { +- .nregs = 64, ++ .nregs = 80, + .bank_address_words = 0, + .set_timing = imx_ocotp_set_imx6_timing, + .ctrl = IMX_OCOTP_BM_CTRL_DEFAULT, diff --git a/target/linux/generic/backport-5.15/820-v6.7-0001-nvmem-qfprom-Mark-core-clk-as-optional.patch b/target/linux/generic/backport-5.15/820-v6.7-0001-nvmem-qfprom-Mark-core-clk-as-optional.patch new file mode 100644 index 0000000000..66d4028140 --- /dev/null +++ b/target/linux/generic/backport-5.15/820-v6.7-0001-nvmem-qfprom-Mark-core-clk-as-optional.patch @@ -0,0 +1,37 @@ +From 16724d6ea40a2c9315f5a0d81005dfa4d7a6da24 Mon Sep 17 00:00:00 2001 +From: Luca Weiss +Date: Fri, 20 Oct 2023 11:55:40 +0100 +Subject: [PATCH] nvmem: qfprom: Mark core clk as optional + +On some platforms like sc7280 on non-ChromeOS devices the core clock +cannot be touched by Linux so we cannot provide it. Mark it as optional +as accessing qfprom for reading works without it but we still prohibit +writing if we cannot provide the clock. + +Signed-off-by: Luca Weiss +Reviewed-by: Douglas Anderson +Signed-off-by: Srinivas Kandagatla +Link: https://lore.kernel.org/r/20231020105545.216052-2-srinivas.kandagatla@linaro.org +Signed-off-by: Greg Kroah-Hartman +--- + drivers/nvmem/qfprom.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +--- a/drivers/nvmem/qfprom.c ++++ b/drivers/nvmem/qfprom.c +@@ -423,12 +423,12 @@ static int qfprom_probe(struct platform_ + if (IS_ERR(priv->vcc)) + return PTR_ERR(priv->vcc); + +- priv->secclk = devm_clk_get(dev, "core"); ++ priv->secclk = devm_clk_get_optional(dev, "core"); + if (IS_ERR(priv->secclk)) + return dev_err_probe(dev, PTR_ERR(priv->secclk), "Error getting clock\n"); + +- /* Only enable writing if we have SoC data. */ +- if (priv->soc_data) ++ /* Only enable writing if we have SoC data and a valid clock */ ++ if (priv->soc_data && priv->secclk) + econfig.reg_write = qfprom_reg_write; + } + diff --git a/target/linux/generic/backport-5.15/820-v6.7-0002-nvmem-add-explicit-config-option-to-read-old-syntax-.patch b/target/linux/generic/backport-5.15/820-v6.7-0002-nvmem-add-explicit-config-option-to-read-old-syntax-.patch new file mode 100644 index 0000000000..d207ea4872 --- /dev/null +++ b/target/linux/generic/backport-5.15/820-v6.7-0002-nvmem-add-explicit-config-option-to-read-old-syntax-.patch @@ -0,0 +1,330 @@ +From 2cc3b37f5b6df8189d55d0e812d9658ce256dfec Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Fri, 20 Oct 2023 11:55:41 +0100 +Subject: [PATCH] nvmem: add explicit config option to read old syntax fixed OF + cells +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Binding for fixed NVMEM cells defined directly as NVMEM device subnodes +has been deprecated. It has been replaced by the "fixed-layout" NVMEM +layout binding. + +New syntax is meant to be clearer and should help avoiding imprecise +bindings. + +NVMEM subsystem already supports the new binding. It should be a good +idea to limit support for old syntax to existing drivers that actually +support & use it (we can't break backward compatibility!). That way we +additionally encourage new bindings & drivers to ignore deprecated +binding. + +It wasn't clear (to me) if rtc and w1 code actually uses old syntax +fixed cells. I enabled them to don't risk any breakage. + +Signed-off-by: Rafał Miłecki +[for meson-{efuse,mx-efuse}.c] +Acked-by: Martin Blumenstingl +[for mtk-efuse.c, nvmem/core.c, nvmem-provider.h] +Reviewed-by: AngeloGioacchino Del Regno +[MT8192, MT8195 Chromebooks] +Tested-by: AngeloGioacchino Del Regno +[for microchip-otpc.c] +Reviewed-by: Claudiu Beznea +[SAMA7G5-EK] +Tested-by: Claudiu Beznea +Acked-by: Jernej Skrabec +Signed-off-by: Srinivas Kandagatla +Link: https://lore.kernel.org/r/20231020105545.216052-3-srinivas.kandagatla@linaro.org +Signed-off-by: Greg Kroah-Hartman +--- + drivers/mtd/mtdcore.c | 2 ++ + drivers/nvmem/apple-efuses.c | 1 + + drivers/nvmem/core.c | 8 +++++--- + drivers/nvmem/imx-ocotp-scu.c | 1 + + drivers/nvmem/imx-ocotp.c | 1 + + drivers/nvmem/meson-efuse.c | 1 + + drivers/nvmem/meson-mx-efuse.c | 1 + + drivers/nvmem/microchip-otpc.c | 1 + + drivers/nvmem/mtk-efuse.c | 1 + + drivers/nvmem/qcom-spmi-sdam.c | 1 + + drivers/nvmem/qfprom.c | 1 + + drivers/nvmem/rave-sp-eeprom.c | 1 + + drivers/nvmem/rockchip-efuse.c | 1 + + drivers/nvmem/sc27xx-efuse.c | 1 + + drivers/nvmem/sec-qfprom.c | 1 + + drivers/nvmem/sprd-efuse.c | 1 + + drivers/nvmem/stm32-romem.c | 1 + + drivers/nvmem/sunplus-ocotp.c | 1 + + drivers/nvmem/sunxi_sid.c | 1 + + drivers/nvmem/uniphier-efuse.c | 1 + + drivers/nvmem/zynqmp_nvmem.c | 1 + + drivers/rtc/nvmem.c | 1 + + drivers/w1/slaves/w1_ds250x.c | 1 + + include/linux/nvmem-provider.h | 2 ++ + 24 files changed, 30 insertions(+), 3 deletions(-) + +--- a/drivers/mtd/mtdcore.c ++++ b/drivers/mtd/mtdcore.c +@@ -541,6 +541,7 @@ static int mtd_nvmem_add(struct mtd_info + config.dev = &mtd->dev; + config.name = dev_name(&mtd->dev); + config.owner = THIS_MODULE; ++ config.add_legacy_fixed_of_cells = of_device_is_compatible(node, "nvmem-cells"); + config.reg_read = mtd_nvmem_reg_read; + config.size = mtd->size; + config.word_size = 1; +@@ -898,6 +899,7 @@ static struct nvmem_device *mtd_otp_nvme + config.name = compatible; + config.id = NVMEM_DEVID_AUTO; + config.owner = THIS_MODULE; ++ config.add_legacy_fixed_of_cells = true; + config.type = NVMEM_TYPE_OTP; + config.root_only = true; + config.ignore_wp = true; +--- a/drivers/nvmem/apple-efuses.c ++++ b/drivers/nvmem/apple-efuses.c +@@ -36,6 +36,7 @@ static int apple_efuses_probe(struct pla + struct resource *res; + struct nvmem_config config = { + .dev = &pdev->dev, ++ .add_legacy_fixed_of_cells = true, + .read_only = true, + .reg_read = apple_efuses_read, + .stride = sizeof(u32), +--- a/drivers/nvmem/core.c ++++ b/drivers/nvmem/core.c +@@ -998,9 +998,11 @@ struct nvmem_device *nvmem_register(cons + if (rval) + goto err_remove_cells; + +- rval = nvmem_add_cells_from_legacy_of(nvmem); +- if (rval) +- goto err_remove_cells; ++ if (config->add_legacy_fixed_of_cells) { ++ rval = nvmem_add_cells_from_legacy_of(nvmem); ++ if (rval) ++ goto err_remove_cells; ++ } + + rval = nvmem_add_cells_from_fixed_layout(nvmem); + if (rval) +--- a/drivers/nvmem/imx-ocotp-scu.c ++++ b/drivers/nvmem/imx-ocotp-scu.c +@@ -220,6 +220,7 @@ static int imx_scu_ocotp_write(void *con + + static struct nvmem_config imx_scu_ocotp_nvmem_config = { + .name = "imx-scu-ocotp", ++ .add_legacy_fixed_of_cells = true, + .read_only = false, + .word_size = 4, + .stride = 1, +--- a/drivers/nvmem/imx-ocotp.c ++++ b/drivers/nvmem/imx-ocotp.c +@@ -616,6 +616,7 @@ static int imx_ocotp_probe(struct platfo + return PTR_ERR(priv->clk); + + priv->params = of_device_get_match_data(&pdev->dev); ++ imx_ocotp_nvmem_config.add_legacy_fixed_of_cells = true; + imx_ocotp_nvmem_config.size = 4 * priv->params->nregs; + imx_ocotp_nvmem_config.dev = dev; + imx_ocotp_nvmem_config.priv = priv; +--- a/drivers/nvmem/meson-efuse.c ++++ b/drivers/nvmem/meson-efuse.c +@@ -93,6 +93,7 @@ static int meson_efuse_probe(struct plat + + econfig->dev = dev; + econfig->name = dev_name(dev); ++ econfig->add_legacy_fixed_of_cells = true; + econfig->stride = 1; + econfig->word_size = 1; + econfig->reg_read = meson_efuse_read; +--- a/drivers/nvmem/meson-mx-efuse.c ++++ b/drivers/nvmem/meson-mx-efuse.c +@@ -211,6 +211,7 @@ static int meson_mx_efuse_probe(struct p + efuse->config.owner = THIS_MODULE; + efuse->config.dev = &pdev->dev; + efuse->config.priv = efuse; ++ efuse->config.add_legacy_fixed_of_cells = true; + efuse->config.stride = drvdata->word_size; + efuse->config.word_size = drvdata->word_size; + efuse->config.size = SZ_512; +--- a/drivers/nvmem/microchip-otpc.c ++++ b/drivers/nvmem/microchip-otpc.c +@@ -261,6 +261,7 @@ static int mchp_otpc_probe(struct platfo + return ret; + + mchp_nvmem_config.dev = otpc->dev; ++ mchp_nvmem_config.add_legacy_fixed_of_cells = true; + mchp_nvmem_config.size = size; + mchp_nvmem_config.priv = otpc; + nvmem = devm_nvmem_register(&pdev->dev, &mchp_nvmem_config); +--- a/drivers/nvmem/mtk-efuse.c ++++ b/drivers/nvmem/mtk-efuse.c +@@ -83,6 +83,7 @@ static int mtk_efuse_probe(struct platfo + return PTR_ERR(priv->base); + + pdata = device_get_match_data(dev); ++ econfig.add_legacy_fixed_of_cells = true; + econfig.stride = 1; + econfig.word_size = 1; + econfig.reg_read = mtk_reg_read; +--- a/drivers/nvmem/qcom-spmi-sdam.c ++++ b/drivers/nvmem/qcom-spmi-sdam.c +@@ -142,6 +142,7 @@ static int sdam_probe(struct platform_de + sdam->sdam_config.name = "spmi_sdam"; + sdam->sdam_config.id = NVMEM_DEVID_AUTO; + sdam->sdam_config.owner = THIS_MODULE; ++ sdam->sdam_config.add_legacy_fixed_of_cells = true; + sdam->sdam_config.stride = 1; + sdam->sdam_config.word_size = 1; + sdam->sdam_config.reg_read = sdam_read; +--- a/drivers/nvmem/qfprom.c ++++ b/drivers/nvmem/qfprom.c +@@ -357,6 +357,7 @@ static int qfprom_probe(struct platform_ + { + struct nvmem_config econfig = { + .name = "qfprom", ++ .add_legacy_fixed_of_cells = true, + .stride = 1, + .word_size = 1, + .id = NVMEM_DEVID_AUTO, +--- a/drivers/nvmem/rave-sp-eeprom.c ++++ b/drivers/nvmem/rave-sp-eeprom.c +@@ -328,6 +328,7 @@ static int rave_sp_eeprom_probe(struct p + of_property_read_string(np, "zii,eeprom-name", &config.name); + config.priv = eeprom; + config.dev = dev; ++ config.add_legacy_fixed_of_cells = true; + config.size = size; + config.reg_read = rave_sp_eeprom_reg_read; + config.reg_write = rave_sp_eeprom_reg_write; +--- a/drivers/nvmem/rockchip-efuse.c ++++ b/drivers/nvmem/rockchip-efuse.c +@@ -205,6 +205,7 @@ static int rockchip_rk3399_efuse_read(vo + + static struct nvmem_config econfig = { + .name = "rockchip-efuse", ++ .add_legacy_fixed_of_cells = true, + .stride = 1, + .word_size = 1, + .read_only = true, +--- a/drivers/nvmem/sc27xx-efuse.c ++++ b/drivers/nvmem/sc27xx-efuse.c +@@ -248,6 +248,7 @@ static int sc27xx_efuse_probe(struct pla + econfig.reg_read = sc27xx_efuse_read; + econfig.priv = efuse; + econfig.dev = &pdev->dev; ++ econfig.add_legacy_fixed_of_cells = true; + nvmem = devm_nvmem_register(&pdev->dev, &econfig); + if (IS_ERR(nvmem)) { + dev_err(&pdev->dev, "failed to register nvmem config\n"); +--- a/drivers/nvmem/sec-qfprom.c ++++ b/drivers/nvmem/sec-qfprom.c +@@ -47,6 +47,7 @@ static int sec_qfprom_probe(struct platf + { + struct nvmem_config econfig = { + .name = "sec-qfprom", ++ .add_legacy_fixed_of_cells = true, + .stride = 1, + .word_size = 1, + .id = NVMEM_DEVID_AUTO, +--- a/drivers/nvmem/sprd-efuse.c ++++ b/drivers/nvmem/sprd-efuse.c +@@ -408,6 +408,7 @@ static int sprd_efuse_probe(struct platf + econfig.read_only = false; + econfig.name = "sprd-efuse"; + econfig.size = efuse->data->blk_nums * SPRD_EFUSE_BLOCK_WIDTH; ++ econfig.add_legacy_fixed_of_cells = true; + econfig.reg_read = sprd_efuse_read; + econfig.reg_write = sprd_efuse_write; + econfig.priv = efuse; +--- a/drivers/nvmem/stm32-romem.c ++++ b/drivers/nvmem/stm32-romem.c +@@ -207,6 +207,7 @@ static int stm32_romem_probe(struct plat + priv->cfg.priv = priv; + priv->cfg.owner = THIS_MODULE; + priv->cfg.type = NVMEM_TYPE_OTP; ++ priv->cfg.add_legacy_fixed_of_cells = true; + + priv->lower = 0; + +--- a/drivers/nvmem/sunplus-ocotp.c ++++ b/drivers/nvmem/sunplus-ocotp.c +@@ -145,6 +145,7 @@ disable_clk: + + static struct nvmem_config sp_ocotp_nvmem_config = { + .name = "sp-ocotp", ++ .add_legacy_fixed_of_cells = true, + .read_only = true, + .word_size = 1, + .size = QAC628_OTP_SIZE, +--- a/drivers/nvmem/sunxi_sid.c ++++ b/drivers/nvmem/sunxi_sid.c +@@ -154,6 +154,7 @@ static int sunxi_sid_probe(struct platfo + nvmem_cfg->dev = dev; + nvmem_cfg->name = "sunxi-sid"; + nvmem_cfg->type = NVMEM_TYPE_OTP; ++ nvmem_cfg->add_legacy_fixed_of_cells = true; + nvmem_cfg->read_only = true; + nvmem_cfg->size = cfg->size; + nvmem_cfg->word_size = 1; +--- a/drivers/nvmem/uniphier-efuse.c ++++ b/drivers/nvmem/uniphier-efuse.c +@@ -52,6 +52,7 @@ static int uniphier_efuse_probe(struct p + econfig.size = resource_size(res); + econfig.priv = priv; + econfig.dev = dev; ++ econfig.add_legacy_fixed_of_cells = true; + nvmem = devm_nvmem_register(dev, &econfig); + + return PTR_ERR_OR_ZERO(nvmem); +--- a/drivers/nvmem/zynqmp_nvmem.c ++++ b/drivers/nvmem/zynqmp_nvmem.c +@@ -58,6 +58,7 @@ static int zynqmp_nvmem_probe(struct pla + + priv->dev = dev; + econfig.dev = dev; ++ econfig.add_legacy_fixed_of_cells = true; + econfig.reg_read = zynqmp_nvmem_read; + econfig.priv = priv; + +--- a/drivers/rtc/nvmem.c ++++ b/drivers/rtc/nvmem.c +@@ -21,6 +21,7 @@ int devm_rtc_nvmem_register(struct rtc_d + + nvmem_config->dev = dev; + nvmem_config->owner = rtc->owner; ++ nvmem_config->add_legacy_fixed_of_cells = true; + nvmem = devm_nvmem_register(dev, nvmem_config); + if (IS_ERR(nvmem)) + dev_err(dev, "failed to register nvmem device for RTC\n"); +--- a/drivers/w1/slaves/w1_ds250x.c ++++ b/drivers/w1/slaves/w1_ds250x.c +@@ -168,6 +168,7 @@ static int w1_eprom_add_slave(struct w1_ + struct nvmem_device *nvmem; + struct nvmem_config nvmem_cfg = { + .dev = &sl->dev, ++ .add_legacy_fixed_of_cells = true, + .reg_read = w1_nvmem_read, + .type = NVMEM_TYPE_OTP, + .read_only = true, +--- a/include/linux/nvmem-provider.h ++++ b/include/linux/nvmem-provider.h +@@ -82,6 +82,7 @@ struct nvmem_cell_info { + * @owner: Pointer to exporter module. Used for refcounting. + * @cells: Optional array of pre-defined NVMEM cells. + * @ncells: Number of elements in cells. ++ * @add_legacy_fixed_of_cells: Read fixed NVMEM cells from old OF syntax. + * @keepout: Optional array of keepout ranges (sorted ascending by start). + * @nkeepout: Number of elements in the keepout array. + * @type: Type of the nvmem storage +@@ -112,6 +113,7 @@ struct nvmem_config { + struct module *owner; + const struct nvmem_cell_info *cells; + int ncells; ++ bool add_legacy_fixed_of_cells; + const struct nvmem_keepout *keepout; + unsigned int nkeepout; + enum nvmem_type type; diff --git a/target/linux/generic/backport-5.15/820-v6.7-0003-nvmem-Use-device_get_match_data.patch b/target/linux/generic/backport-5.15/820-v6.7-0003-nvmem-Use-device_get_match_data.patch new file mode 100644 index 0000000000..84c0293982 --- /dev/null +++ b/target/linux/generic/backport-5.15/820-v6.7-0003-nvmem-Use-device_get_match_data.patch @@ -0,0 +1,77 @@ +From 0720219f4d34a88a9badb4de70cfad7585687d48 Mon Sep 17 00:00:00 2001 +From: Rob Herring +Date: Fri, 20 Oct 2023 11:55:45 +0100 +Subject: [PATCH] nvmem: Use device_get_match_data() + +Use preferred device_get_match_data() instead of of_match_device() to +get the driver match data. With this, adjust the includes to explicitly +include the correct headers. + +Signed-off-by: Rob Herring +Signed-off-by: Srinivas Kandagatla +Link: https://lore.kernel.org/r/20231020105545.216052-7-srinivas.kandagatla@linaro.org +Signed-off-by: Greg Kroah-Hartman +--- + drivers/nvmem/mxs-ocotp.c | 10 ++++------ + drivers/nvmem/stm32-romem.c | 7 ++++--- + 2 files changed, 8 insertions(+), 9 deletions(-) + +--- a/drivers/nvmem/mxs-ocotp.c ++++ b/drivers/nvmem/mxs-ocotp.c +@@ -13,8 +13,9 @@ + #include + #include + #include +-#include ++#include + #include ++#include + #include + #include + +@@ -140,11 +141,10 @@ static int mxs_ocotp_probe(struct platfo + struct device *dev = &pdev->dev; + const struct mxs_data *data; + struct mxs_ocotp *otp; +- const struct of_device_id *match; + int ret; + +- match = of_match_device(dev->driver->of_match_table, dev); +- if (!match || !match->data) ++ data = device_get_match_data(dev); ++ if (!data) + return -EINVAL; + + otp = devm_kzalloc(dev, sizeof(*otp), GFP_KERNEL); +@@ -169,8 +169,6 @@ static int mxs_ocotp_probe(struct platfo + if (ret) + return ret; + +- data = match->data; +- + ocotp_config.size = data->size; + ocotp_config.priv = otp; + ocotp_config.dev = dev; +--- a/drivers/nvmem/stm32-romem.c ++++ b/drivers/nvmem/stm32-romem.c +@@ -10,7 +10,9 @@ + #include + #include + #include +-#include ++#include ++#include ++#include + #include + + #include "stm32-bsec-optee-ta.h" +@@ -211,8 +213,7 @@ static int stm32_romem_probe(struct plat + + priv->lower = 0; + +- cfg = (const struct stm32_romem_cfg *) +- of_match_device(dev->driver->of_match_table, dev)->data; ++ cfg = device_get_match_data(dev); + if (!cfg) { + priv->cfg.read_only = true; + priv->cfg.size = resource_size(res); diff --git a/target/linux/generic/backport-5.15/820-v6.7-0004-Revert-nvmem-add-new-config-option.patch b/target/linux/generic/backport-5.15/820-v6.7-0004-Revert-nvmem-add-new-config-option.patch new file mode 100644 index 0000000000..b23a23ef3a --- /dev/null +++ b/target/linux/generic/backport-5.15/820-v6.7-0004-Revert-nvmem-add-new-config-option.patch @@ -0,0 +1,77 @@ +From f4cf4e5db331a5ce69e3f0b21d322cac0f4e4b5d Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Mon, 23 Oct 2023 12:27:59 +0200 +Subject: [PATCH] Revert "nvmem: add new config option" +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This reverts commit 517f14d9cf3533d5ab4fded195ab6f80a92e378f. + +Config option "no_of_node" is no longer needed since adding a more +explicit and targeted option "add_legacy_fixed_of_cells". + +That "no_of_node" config option was needed *earlier* to help mtd's case. + +DT nodes of MTD partitions (that are also NVMEM devices) may contain +subnodes. Those SHOULD NOT be treated as NVMEM fixed cells. + +To prevent NVMEM core code from parsing subnodes a "no_of_node" option +was added (and set to true in mtd) to make for_each_child_of_node() in +NVMEM a no-op. That was a bit hacky because it was messing with +"of_node" pointer to achieve some side-effect. + +With the introduction of "add_legacy_fixed_of_cells" config option +things got more explicit. MTD subsystem simply tells NVMEM when to look +for fixed cells and there is no need to hack "of_node" pointer anymore. + +Signed-off-by: Rafał Miłecki +Reviewed-by: Miquel Raynal +Signed-off-by: Srinivas Kandagatla +Link: https://lore.kernel.org/r/20231023102759.31529-1-zajec5@gmail.com +Signed-off-by: Greg Kroah-Hartman +--- + drivers/mtd/mtdcore.c | 1 - + drivers/nvmem/core.c | 2 +- + include/linux/nvmem-provider.h | 2 -- + 3 files changed, 1 insertion(+), 4 deletions(-) + +--- a/drivers/mtd/mtdcore.c ++++ b/drivers/mtd/mtdcore.c +@@ -549,7 +549,6 @@ static int mtd_nvmem_add(struct mtd_info + config.read_only = true; + config.root_only = true; + config.ignore_wp = true; +- config.no_of_node = !of_device_is_compatible(node, "nvmem-cells"); + config.priv = mtd; + + mtd->nvmem = nvmem_register(&config); +--- a/drivers/nvmem/core.c ++++ b/drivers/nvmem/core.c +@@ -936,7 +936,7 @@ struct nvmem_device *nvmem_register(cons + nvmem->nkeepout = config->nkeepout; + if (config->of_node) + nvmem->dev.of_node = config->of_node; +- else if (!config->no_of_node) ++ else + nvmem->dev.of_node = config->dev->of_node; + + switch (config->id) { +--- a/include/linux/nvmem-provider.h ++++ b/include/linux/nvmem-provider.h +@@ -89,7 +89,6 @@ struct nvmem_cell_info { + * @read_only: Device is read-only. + * @root_only: Device is accessibly to root only. + * @of_node: If given, this will be used instead of the parent's of_node. +- * @no_of_node: Device should not use the parent's of_node even if it's !NULL. + * @reg_read: Callback to read data. + * @reg_write: Callback to write data. + * @size: Device size. +@@ -122,7 +121,6 @@ struct nvmem_config { + bool ignore_wp; + struct nvmem_layout *layout; + struct device_node *of_node; +- bool no_of_node; + nvmem_reg_read_t reg_read; + nvmem_reg_write_t reg_write; + int size; diff --git a/target/linux/generic/hack-5.15/402-mtd-blktrans-call-add-disks-after-mtd-device.patch b/target/linux/generic/hack-5.15/402-mtd-blktrans-call-add-disks-after-mtd-device.patch index 32a7fb6266..62737aa779 100644 --- a/target/linux/generic/hack-5.15/402-mtd-blktrans-call-add-disks-after-mtd-device.patch +++ b/target/linux/generic/hack-5.15/402-mtd-blktrans-call-add-disks-after-mtd-device.patch @@ -77,7 +77,7 @@ Signed-off-by: Daniel Golle #include "mtdcore.h" -@@ -1082,6 +1083,8 @@ int mtd_device_parse_register(struct mtd +@@ -1083,6 +1084,8 @@ int mtd_device_parse_register(struct mtd register_reboot_notifier(&mtd->reboot_notifier); } -- 2.30.2