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37bb389392
Changelog: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.146 Removed upstreamed: generic/hack-5.15/940-ksmbd-have-a-dependency-on-cifs-arc4.patch[1] All other patches automatically rebased. 1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.146&id=ac385518598f50dd1b9b41bd05f50ce9795481d5 Build system: x86_64 Build-tested: ramips/tplink_archer-a6-v3 Run-tested: ramips/tplink_archer-a6-v3 Signed-off-by: John Audia <therealgraysky@proton.me>
174 lines
6.9 KiB
Diff
174 lines
6.9 KiB
Diff
From 673aa1ed1c9b6710bf24e3f0957d85e2f46c77db Mon Sep 17 00:00:00 2001
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From: Miquel Raynal <miquel.raynal@bootlin.com>
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Date: Tue, 4 Apr 2023 18:21:16 +0100
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Subject: [PATCH] of: Rename of_modalias_node()
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This helper does not produce a real modalias, but tries to get the
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"product" compatible part of the "vendor,product" compatibles only. It
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is far from creating a purely useful modalias string and does not seem
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to be used like that directly anyway, so let's try to give this helper a
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more meaningful name before moving there a real modalias helper (already
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existing under of/device.c).
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Also update the various documentations to refer to the strings as
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"aliases" rather than "modaliases" which has a real meaning in the Linux
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kernel.
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There is no functional change.
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Cc: Rafael J. Wysocki <rafael@kernel.org>
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Cc: Len Brown <lenb@kernel.org>
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Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Cc: Maxime Ripard <mripard@kernel.org>
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Cc: Thomas Zimmermann <tzimmermann@suse.de>
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Cc: Sebastian Reichel <sre@kernel.org>
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Cc: Wolfram Sang <wsa@kernel.org>
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Cc: Mark Brown <broonie@kernel.org>
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Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Reviewed-by: Rob Herring <robh@kernel.org>
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Acked-by: Mark Brown <broonie@kernel.org>
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Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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Acked-by: Sebastian Reichel <sre@kernel.org>
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Link: https://lore.kernel.org/r/20230404172148.82422-9-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/acpi/bus.c | 7 ++++---
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drivers/gpu/drm/drm_mipi_dsi.c | 2 +-
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drivers/hsi/hsi_core.c | 2 +-
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drivers/i2c/busses/i2c-powermac.c | 2 +-
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drivers/i2c/i2c-core-of.c | 2 +-
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drivers/of/base.c | 18 +++++++++++-------
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drivers/spi/spi.c | 4 ++--
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include/linux/of.h | 3 ++-
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8 files changed, 23 insertions(+), 17 deletions(-)
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--- a/drivers/acpi/bus.c
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+++ b/drivers/acpi/bus.c
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@@ -785,9 +785,10 @@ static bool acpi_of_modalias(struct acpi
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* @modalias: Pointer to buffer that modalias value will be copied into
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* @len: Length of modalias buffer
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*
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- * This is a counterpart of of_modalias_node() for struct acpi_device objects.
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- * If there is a compatible string for @adev, it will be copied to @modalias
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- * with the vendor prefix stripped; otherwise, @default_id will be used.
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+ * This is a counterpart of of_alias_from_compatible() for struct acpi_device
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+ * objects. If there is a compatible string for @adev, it will be copied to
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+ * @modalias with the vendor prefix stripped; otherwise, @default_id will be
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+ * used.
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*/
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void acpi_set_modalias(struct acpi_device *adev, const char *default_id,
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char *modalias, size_t len)
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--- a/drivers/gpu/drm/drm_mipi_dsi.c
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+++ b/drivers/gpu/drm/drm_mipi_dsi.c
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@@ -160,7 +160,7 @@ of_mipi_dsi_device_add(struct mipi_dsi_h
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int ret;
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u32 reg;
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- if (of_modalias_node(node, info.type, sizeof(info.type)) < 0) {
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+ if (of_alias_from_compatible(node, info.type, sizeof(info.type)) < 0) {
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drm_err(host, "modalias failure on %pOF\n", node);
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return ERR_PTR(-EINVAL);
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}
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--- a/drivers/hsi/hsi_core.c
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+++ b/drivers/hsi/hsi_core.c
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@@ -207,7 +207,7 @@ static void hsi_add_client_from_dt(struc
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if (!cl)
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return;
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- err = of_modalias_node(client, name, sizeof(name));
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+ err = of_alias_from_compatible(client, name, sizeof(name));
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if (err)
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goto err;
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--- a/drivers/i2c/busses/i2c-powermac.c
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+++ b/drivers/i2c/busses/i2c-powermac.c
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@@ -284,7 +284,7 @@ static bool i2c_powermac_get_type(struct
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*/
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/* First try proper modalias */
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- if (of_modalias_node(node, tmp, sizeof(tmp)) >= 0) {
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+ if (of_alias_from_compatible(node, tmp, sizeof(tmp)) >= 0) {
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snprintf(type, type_size, "MAC,%s", tmp);
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return true;
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}
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--- a/drivers/i2c/i2c-core-of.c
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+++ b/drivers/i2c/i2c-core-of.c
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@@ -27,7 +27,7 @@ int of_i2c_get_board_info(struct device
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memset(info, 0, sizeof(*info));
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- if (of_modalias_node(node, info->type, sizeof(info->type)) < 0) {
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+ if (of_alias_from_compatible(node, info->type, sizeof(info->type)) < 0) {
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dev_err(dev, "of_i2c: modalias failure on %pOF\n", node);
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return -EINVAL;
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}
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--- a/drivers/of/base.c
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+++ b/drivers/of/base.c
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@@ -1159,19 +1159,23 @@ struct device_node *of_find_matching_nod
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EXPORT_SYMBOL(of_find_matching_node_and_match);
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/**
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- * of_modalias_node - Lookup appropriate modalias for a device node
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+ * of_alias_from_compatible - Lookup appropriate alias for a device node
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+ * depending on compatible
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* @node: pointer to a device tree node
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- * @modalias: Pointer to buffer that modalias value will be copied into
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- * @len: Length of modalias value
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+ * @alias: Pointer to buffer that alias value will be copied into
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+ * @len: Length of alias value
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*
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* Based on the value of the compatible property, this routine will attempt
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- * to choose an appropriate modalias value for a particular device tree node.
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+ * to choose an appropriate alias value for a particular device tree node.
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* It does this by stripping the manufacturer prefix (as delimited by a ',')
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* from the first entry in the compatible list property.
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*
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+ * Note: The matching on just the "product" side of the compatible is a relic
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+ * from I2C and SPI. Please do not add any new user.
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+ *
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* Return: This routine returns 0 on success, <0 on failure.
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*/
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-int of_modalias_node(struct device_node *node, char *modalias, int len)
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+int of_alias_from_compatible(const struct device_node *node, char *alias, int len)
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{
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const char *compatible, *p;
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int cplen;
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@@ -1180,10 +1184,10 @@ int of_modalias_node(struct device_node
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if (!compatible || strlen(compatible) > cplen)
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return -ENODEV;
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p = strchr(compatible, ',');
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- strlcpy(modalias, p ? p + 1 : compatible, len);
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+ strlcpy(alias, p ? p + 1 : compatible, len);
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return 0;
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}
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-EXPORT_SYMBOL_GPL(of_modalias_node);
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+EXPORT_SYMBOL_GPL(of_alias_from_compatible);
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/**
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* of_find_node_by_phandle - Find a node given a phandle
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--- a/drivers/spi/spi.c
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+++ b/drivers/spi/spi.c
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@@ -2140,8 +2140,8 @@ of_register_spi_device(struct spi_contro
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}
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/* Select device driver */
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- rc = of_modalias_node(nc, spi->modalias,
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- sizeof(spi->modalias));
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+ rc = of_alias_from_compatible(nc, spi->modalias,
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+ sizeof(spi->modalias));
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if (rc < 0) {
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dev_err(&ctlr->dev, "cannot find modalias for %pOF\n", nc);
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goto err_out;
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--- a/include/linux/of.h
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+++ b/include/linux/of.h
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@@ -361,7 +361,8 @@ extern int of_n_addr_cells(struct device
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extern int of_n_size_cells(struct device_node *np);
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extern const struct of_device_id *of_match_node(
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const struct of_device_id *matches, const struct device_node *node);
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-extern int of_modalias_node(struct device_node *node, char *modalias, int len);
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+extern int of_alias_from_compatible(const struct device_node *node, char *alias,
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+ int len);
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extern void of_print_phandle_args(const char *msg, const struct of_phandle_args *args);
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extern int __of_parse_phandle_with_args(const struct device_node *np,
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const char *list_name, const char *cells_name, int cell_count,
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