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8a9273d51e
Copy backport, hack, pending patch and config from 6.1 to 6.6. Signed-off-by: Weijie Gao <hackpascal@gmail.com>
170 lines
6.0 KiB
Diff
170 lines
6.0 KiB
Diff
From 1172460e716784ac7e1049a537bdca8edbf97360 Mon Sep 17 00:00:00 2001
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From: Miquel Raynal <miquel.raynal@bootlin.com>
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Date: Fri, 15 Dec 2023 11:15:31 +0000
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Subject: [PATCH] nvmem: Move and rename ->fixup_cell_info()
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This hook is meant to be used by any provider and instantiating a layout
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just for this is useless. Let's instead move this hook to the nvmem
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device and add it to the config structure to be easily shared by the
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providers.
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While at moving this hook, rename it ->fixup_dt_cell_info() to clarify
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its main intended purpose.
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Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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Link: https://lore.kernel.org/r/20231215111536.316972-6-srinivas.kandagatla@linaro.org
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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drivers/nvmem/core.c | 6 +++---
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drivers/nvmem/imx-ocotp.c | 11 +++--------
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drivers/nvmem/internals.h | 2 ++
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drivers/nvmem/mtk-efuse.c | 11 +++--------
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include/linux/nvmem-provider.h | 9 ++++-----
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5 files changed, 15 insertions(+), 24 deletions(-)
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--- a/drivers/nvmem/core.c
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+++ b/drivers/nvmem/core.c
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@@ -676,7 +676,6 @@ static int nvmem_validate_keepouts(struc
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static int nvmem_add_cells_from_dt(struct nvmem_device *nvmem, struct device_node *np)
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{
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- struct nvmem_layout *layout = nvmem->layout;
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struct device *dev = &nvmem->dev;
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struct device_node *child;
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const __be32 *addr;
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@@ -706,8 +705,8 @@ static int nvmem_add_cells_from_dt(struc
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info.np = of_node_get(child);
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- if (layout && layout->fixup_cell_info)
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- layout->fixup_cell_info(nvmem, layout, &info);
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+ if (nvmem->fixup_dt_cell_info)
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+ nvmem->fixup_dt_cell_info(nvmem, &info);
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ret = nvmem_add_one_cell(nvmem, &info);
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kfree(info.name);
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@@ -896,6 +895,7 @@ struct nvmem_device *nvmem_register(cons
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kref_init(&nvmem->refcnt);
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INIT_LIST_HEAD(&nvmem->cells);
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+ nvmem->fixup_dt_cell_info = config->fixup_dt_cell_info;
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nvmem->owner = config->owner;
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if (!nvmem->owner && config->dev->driver)
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--- a/drivers/nvmem/imx-ocotp.c
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+++ b/drivers/nvmem/imx-ocotp.c
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@@ -584,17 +584,12 @@ static const struct of_device_id imx_oco
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};
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MODULE_DEVICE_TABLE(of, imx_ocotp_dt_ids);
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-static void imx_ocotp_fixup_cell_info(struct nvmem_device *nvmem,
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- struct nvmem_layout *layout,
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- struct nvmem_cell_info *cell)
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+static void imx_ocotp_fixup_dt_cell_info(struct nvmem_device *nvmem,
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+ struct nvmem_cell_info *cell)
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{
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cell->read_post_process = imx_ocotp_cell_pp;
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}
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-static struct nvmem_layout imx_ocotp_layout = {
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- .fixup_cell_info = imx_ocotp_fixup_cell_info,
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-};
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-
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static int imx_ocotp_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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@@ -620,7 +615,7 @@ static int imx_ocotp_probe(struct platfo
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imx_ocotp_nvmem_config.size = 4 * priv->params->nregs;
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imx_ocotp_nvmem_config.dev = dev;
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imx_ocotp_nvmem_config.priv = priv;
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- imx_ocotp_nvmem_config.layout = &imx_ocotp_layout;
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+ imx_ocotp_nvmem_config.fixup_dt_cell_info = &imx_ocotp_fixup_dt_cell_info;
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priv->config = &imx_ocotp_nvmem_config;
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--- a/drivers/nvmem/internals.h
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+++ b/drivers/nvmem/internals.h
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@@ -23,6 +23,8 @@ struct nvmem_device {
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struct bin_attribute eeprom;
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struct device *base_dev;
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struct list_head cells;
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+ void (*fixup_dt_cell_info)(struct nvmem_device *nvmem,
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+ struct nvmem_cell_info *cell);
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const struct nvmem_keepout *keepout;
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unsigned int nkeepout;
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nvmem_reg_read_t reg_read;
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--- a/drivers/nvmem/mtk-efuse.c
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+++ b/drivers/nvmem/mtk-efuse.c
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@@ -45,9 +45,8 @@ static int mtk_efuse_gpu_speedbin_pp(voi
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return 0;
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}
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-static void mtk_efuse_fixup_cell_info(struct nvmem_device *nvmem,
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- struct nvmem_layout *layout,
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- struct nvmem_cell_info *cell)
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+static void mtk_efuse_fixup_dt_cell_info(struct nvmem_device *nvmem,
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+ struct nvmem_cell_info *cell)
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{
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size_t sz = strlen(cell->name);
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@@ -61,10 +60,6 @@ static void mtk_efuse_fixup_cell_info(st
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cell->read_post_process = mtk_efuse_gpu_speedbin_pp;
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}
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-static struct nvmem_layout mtk_efuse_layout = {
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- .fixup_cell_info = mtk_efuse_fixup_cell_info,
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-};
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-
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static int mtk_efuse_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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@@ -91,7 +86,7 @@ static int mtk_efuse_probe(struct platfo
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econfig.priv = priv;
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econfig.dev = dev;
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if (pdata->uses_post_processing)
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- econfig.layout = &mtk_efuse_layout;
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+ econfig.fixup_dt_cell_info = &mtk_efuse_fixup_dt_cell_info;
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nvmem = devm_nvmem_register(dev, &econfig);
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return PTR_ERR_OR_ZERO(nvmem);
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--- a/include/linux/nvmem-provider.h
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+++ b/include/linux/nvmem-provider.h
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@@ -83,6 +83,8 @@ struct nvmem_cell_info {
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* @cells: Optional array of pre-defined NVMEM cells.
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* @ncells: Number of elements in cells.
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* @add_legacy_fixed_of_cells: Read fixed NVMEM cells from old OF syntax.
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+ * @fixup_dt_cell_info: Will be called before a cell is added. Can be
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+ * used to modify the nvmem_cell_info.
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* @keepout: Optional array of keepout ranges (sorted ascending by start).
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* @nkeepout: Number of elements in the keepout array.
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* @type: Type of the nvmem storage
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@@ -113,6 +115,8 @@ struct nvmem_config {
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const struct nvmem_cell_info *cells;
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int ncells;
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bool add_legacy_fixed_of_cells;
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+ void (*fixup_dt_cell_info)(struct nvmem_device *nvmem,
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+ struct nvmem_cell_info *cell);
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const struct nvmem_keepout *keepout;
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unsigned int nkeepout;
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enum nvmem_type type;
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@@ -158,8 +162,6 @@ struct nvmem_cell_table {
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* @of_match_table: Open firmware match table.
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* @add_cells: Called to populate the layout using
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* nvmem_add_one_cell().
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- * @fixup_cell_info: Will be called before a cell is added. Can be
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- * used to modify the nvmem_cell_info.
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* @owner: Pointer to struct module.
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* @node: List node.
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*
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@@ -172,9 +174,6 @@ struct nvmem_layout {
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const char *name;
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const struct of_device_id *of_match_table;
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int (*add_cells)(struct device *dev, struct nvmem_device *nvmem);
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- void (*fixup_cell_info)(struct nvmem_device *nvmem,
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- struct nvmem_layout *layout,
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- struct nvmem_cell_info *cell);
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/* private */
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struct module *owner;
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