[PATCH 2/2] firmware: cs_dsp: Make the exports namespaced

From: Richard Fitzgerald
Date: Thu Nov 24 2022 - 08:46:27 EST

Next message: Sudeep Holla: "Re: [PATCH 3/3] arm_scpi: modify to support acpi"
Previous message: Richard Fitzgerald: "[PATCH 0/2] firmware: cs_dsp: Switch to using namespaced exports"
In reply to: Richard Fitzgerald: "[PATCH 1/2] firmware: cs_dsp: Rename KConfig symbol CS_DSP -> FW_CS_DSP"
Next in thread: Mark Brown: "Re: [PATCH 0/2] firmware: cs_dsp: Switch to using namespaced exports"
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Move all the exports into a namespace.
This also adds the MODULE_IMPORT_NS to the 3 drivers that use the
exported functions.

Signed-off-by: Richard Fitzgerald <rf@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/firmware/cirrus/cs_dsp.c | 62 ++++++++++++++++----------------
sound/pci/hda/cs35l41_hda.c | 1 +
sound/pci/hda/hda_cs_dsp_ctl.c | 1 +
sound/soc/codecs/wm_adsp.c | 1 +
4 files changed, 34 insertions(+), 31 deletions(-)

diff --git a/drivers/firmware/cirrus/cs_dsp.c b/drivers/firmware/cirrus/cs_dsp.c
index 81cc3d0f6eec..f8b56f8f6e84 100644
--- a/drivers/firmware/cirrus/cs_dsp.c
+++ b/drivers/firmware/cirrus/cs_dsp.c
@@ -369,7 +369,7 @@ const char *cs_dsp_mem_region_name(unsigned int type)
return NULL;
}
}
-EXPORT_SYMBOL_GPL(cs_dsp_mem_region_name);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_mem_region_name, FW_CS_DSP);

#ifdef CONFIG_DEBUG_FS
static void cs_dsp_debugfs_save_wmfwname(struct cs_dsp *dsp, const char *s)
@@ -480,7 +480,7 @@ void cs_dsp_init_debugfs(struct cs_dsp *dsp, struct dentry *debugfs_root)

dsp->debugfs_root = root;
}
-EXPORT_SYMBOL_GPL(cs_dsp_init_debugfs);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_init_debugfs, FW_CS_DSP);

/**
* cs_dsp_cleanup_debugfs() - Removes DSP representation from debugfs
@@ -492,17 +492,17 @@ void cs_dsp_cleanup_debugfs(struct cs_dsp *dsp)
debugfs_remove_recursive(dsp->debugfs_root);
dsp->debugfs_root = NULL;
}
-EXPORT_SYMBOL_GPL(cs_dsp_cleanup_debugfs);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_cleanup_debugfs, FW_CS_DSP);
#else
void cs_dsp_init_debugfs(struct cs_dsp *dsp, struct dentry *debugfs_root)
{
}
-EXPORT_SYMBOL_GPL(cs_dsp_init_debugfs);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_init_debugfs, FW_CS_DSP);

void cs_dsp_cleanup_debugfs(struct cs_dsp *dsp)
{
}
-EXPORT_SYMBOL_GPL(cs_dsp_cleanup_debugfs);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_cleanup_debugfs, FW_CS_DSP);

static inline void cs_dsp_debugfs_save_wmfwname(struct cs_dsp *dsp,
const char *s)
@@ -710,7 +710,7 @@ int cs_dsp_coeff_write_acked_control(struct cs_dsp_coeff_ctl *ctl, unsigned int

return -ETIMEDOUT;
}
-EXPORT_SYMBOL_GPL(cs_dsp_coeff_write_acked_control);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_coeff_write_acked_control, FW_CS_DSP);

static int cs_dsp_coeff_write_ctrl_raw(struct cs_dsp_coeff_ctl *ctl,
unsigned int off, const void *buf, size_t len)
@@ -778,7 +778,7 @@ int cs_dsp_coeff_write_ctrl(struct cs_dsp_coeff_ctl *ctl,

return ret;
}
-EXPORT_SYMBOL_GPL(cs_dsp_coeff_write_ctrl);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_coeff_write_ctrl, FW_CS_DSP);

static int cs_dsp_coeff_read_ctrl_raw(struct cs_dsp_coeff_ctl *ctl,
unsigned int off, void *buf, size_t len)
@@ -850,7 +850,7 @@ int cs_dsp_coeff_read_ctrl(struct cs_dsp_coeff_ctl *ctl,

return ret;
}
-EXPORT_SYMBOL_GPL(cs_dsp_coeff_read_ctrl);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_coeff_read_ctrl, FW_CS_DSP);

static int cs_dsp_coeff_init_control_caches(struct cs_dsp *dsp)
{
@@ -1493,7 +1493,7 @@ struct cs_dsp_coeff_ctl *cs_dsp_get_ctl(struct cs_dsp *dsp, const char *name, in

return rslt;
}
-EXPORT_SYMBOL_GPL(cs_dsp_get_ctl);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_get_ctl, FW_CS_DSP);

static void cs_dsp_ctl_fixup_base(struct cs_dsp *dsp,
const struct cs_dsp_alg_region *alg_region)
@@ -1583,7 +1583,7 @@ struct cs_dsp_alg_region *cs_dsp_find_alg_region(struct cs_dsp *dsp,

return NULL;
}
-EXPORT_SYMBOL_GPL(cs_dsp_find_alg_region);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_find_alg_region, FW_CS_DSP);

static struct cs_dsp_alg_region *cs_dsp_create_region(struct cs_dsp *dsp,
int type, __be32 id,
@@ -2217,7 +2217,7 @@ int cs_dsp_adsp1_init(struct cs_dsp *dsp)

return cs_dsp_common_init(dsp);
}
-EXPORT_SYMBOL_GPL(cs_dsp_adsp1_init);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_adsp1_init, FW_CS_DSP);

/**
* cs_dsp_adsp1_power_up() - Load and start the named firmware
@@ -2309,7 +2309,7 @@ int cs_dsp_adsp1_power_up(struct cs_dsp *dsp,
mutex_unlock(&dsp->pwr_lock);
return ret;
}
-EXPORT_SYMBOL_GPL(cs_dsp_adsp1_power_up);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_adsp1_power_up, FW_CS_DSP);

/**
* cs_dsp_adsp1_power_down() - Halts the DSP
@@ -2341,7 +2341,7 @@ void cs_dsp_adsp1_power_down(struct cs_dsp *dsp)

mutex_unlock(&dsp->pwr_lock);
}
-EXPORT_SYMBOL_GPL(cs_dsp_adsp1_power_down);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_adsp1_power_down, FW_CS_DSP);

static int cs_dsp_adsp2v2_enable_core(struct cs_dsp *dsp)
{
@@ -2493,7 +2493,7 @@ int cs_dsp_set_dspclk(struct cs_dsp *dsp, unsigned int freq)

return ret;
}
-EXPORT_SYMBOL_GPL(cs_dsp_set_dspclk);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_set_dspclk, FW_CS_DSP);

static void cs_dsp_stop_watchdog(struct cs_dsp *dsp)
{
@@ -2583,7 +2583,7 @@ int cs_dsp_power_up(struct cs_dsp *dsp,

return ret;
}
-EXPORT_SYMBOL_GPL(cs_dsp_power_up);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_power_up, FW_CS_DSP);

/**
* cs_dsp_power_down() - Powers-down the DSP
@@ -2617,7 +2617,7 @@ void cs_dsp_power_down(struct cs_dsp *dsp)

cs_dsp_dbg(dsp, "Shutdown complete\n");
}
-EXPORT_SYMBOL_GPL(cs_dsp_power_down);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_power_down, FW_CS_DSP);

static int cs_dsp_adsp2_start_core(struct cs_dsp *dsp)
{
@@ -2703,7 +2703,7 @@ int cs_dsp_run(struct cs_dsp *dsp)

return ret;
}
-EXPORT_SYMBOL_GPL(cs_dsp_run);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_run, FW_CS_DSP);

/**
* cs_dsp_stop() - Stops the firmware
@@ -2742,7 +2742,7 @@ void cs_dsp_stop(struct cs_dsp *dsp)

cs_dsp_dbg(dsp, "Execution stopped\n");
}
-EXPORT_SYMBOL_GPL(cs_dsp_stop);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_stop, FW_CS_DSP);

static int cs_dsp_halo_start_core(struct cs_dsp *dsp)
{
@@ -2804,7 +2804,7 @@ int cs_dsp_adsp2_init(struct cs_dsp *dsp)

return cs_dsp_common_init(dsp);
}
-EXPORT_SYMBOL_GPL(cs_dsp_adsp2_init);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_adsp2_init, FW_CS_DSP);

/**
* cs_dsp_halo_init() - Initialise a cs_dsp structure representing a HALO Core DSP
@@ -2818,7 +2818,7 @@ int cs_dsp_halo_init(struct cs_dsp *dsp)

return cs_dsp_common_init(dsp);
}
-EXPORT_SYMBOL_GPL(cs_dsp_halo_init);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_halo_init, FW_CS_DSP);

/**
* cs_dsp_remove() - Clean a cs_dsp before deletion
@@ -2838,7 +2838,7 @@ void cs_dsp_remove(struct cs_dsp *dsp)
cs_dsp_free_ctl_blk(ctl);
}
}
-EXPORT_SYMBOL_GPL(cs_dsp_remove);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_remove, FW_CS_DSP);

/**
* cs_dsp_read_raw_data_block() - Reads a block of data from DSP memory
@@ -2875,7 +2875,7 @@ int cs_dsp_read_raw_data_block(struct cs_dsp *dsp, int mem_type, unsigned int me

return 0;
}
-EXPORT_SYMBOL_GPL(cs_dsp_read_raw_data_block);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_read_raw_data_block, FW_CS_DSP);

/**
* cs_dsp_read_data_word() - Reads a word from DSP memory
@@ -2899,7 +2899,7 @@ int cs_dsp_read_data_word(struct cs_dsp *dsp, int mem_type, unsigned int mem_add

return 0;
}
-EXPORT_SYMBOL_GPL(cs_dsp_read_data_word);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_read_data_word, FW_CS_DSP);

/**
* cs_dsp_write_data_word() - Writes a word to DSP memory
@@ -2925,7 +2925,7 @@ int cs_dsp_write_data_word(struct cs_dsp *dsp, int mem_type, unsigned int mem_ad

return regmap_raw_write(dsp->regmap, reg, &val, sizeof(val));
}
-EXPORT_SYMBOL_GPL(cs_dsp_write_data_word);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_write_data_word, FW_CS_DSP);

/**
* cs_dsp_remove_padding() - Convert unpacked words to packed bytes
@@ -2949,7 +2949,7 @@ void cs_dsp_remove_padding(u32 *buf, int nwords)
*pack_out++ = (u8)(word >> 16);
}
}
-EXPORT_SYMBOL_GPL(cs_dsp_remove_padding);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_remove_padding, FW_CS_DSP);

/**
* cs_dsp_adsp2_bus_error() - Handle a DSP bus error interrupt
@@ -3019,7 +3019,7 @@ void cs_dsp_adsp2_bus_error(struct cs_dsp *dsp)
error:
mutex_unlock(&dsp->pwr_lock);
}
-EXPORT_SYMBOL_GPL(cs_dsp_adsp2_bus_error);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_adsp2_bus_error, FW_CS_DSP);

/**
* cs_dsp_halo_bus_error() - Handle a DSP bus error interrupt
@@ -3079,7 +3079,7 @@ void cs_dsp_halo_bus_error(struct cs_dsp *dsp)
exit_unlock:
mutex_unlock(&dsp->pwr_lock);
}
-EXPORT_SYMBOL_GPL(cs_dsp_halo_bus_error);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_halo_bus_error, FW_CS_DSP);

/**
* cs_dsp_halo_wdt_expire() - Handle DSP watchdog expiry
@@ -3099,7 +3099,7 @@ void cs_dsp_halo_wdt_expire(struct cs_dsp *dsp)

mutex_unlock(&dsp->pwr_lock);
}
-EXPORT_SYMBOL_GPL(cs_dsp_halo_wdt_expire);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_halo_wdt_expire, FW_CS_DSP);

static const struct cs_dsp_ops cs_dsp_adsp1_ops = {
.validate_version = cs_dsp_validate_version,
@@ -3221,7 +3221,7 @@ int cs_dsp_chunk_write(struct cs_dsp_chunk *ch, int nbits, u32 val)

return 0;
}
-EXPORT_SYMBOL_GPL(cs_dsp_chunk_write);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_chunk_write, FW_CS_DSP);

/**
* cs_dsp_chunk_flush() - Pad remaining data with zero and commit to chunk
@@ -3240,7 +3240,7 @@ int cs_dsp_chunk_flush(struct cs_dsp_chunk *ch)

return cs_dsp_chunk_write(ch, CS_DSP_DATA_WORD_BITS - ch->cachebits, 0);
}
-EXPORT_SYMBOL_GPL(cs_dsp_chunk_flush);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_chunk_flush, FW_CS_DSP);

/**
* cs_dsp_chunk_read() - Parse data from a DSP memory chunk
@@ -3282,7 +3282,7 @@ int cs_dsp_chunk_read(struct cs_dsp_chunk *ch, int nbits)

return result;
}
-EXPORT_SYMBOL_GPL(cs_dsp_chunk_read);
+EXPORT_SYMBOL_NS_GPL(cs_dsp_chunk_read, FW_CS_DSP);

MODULE_DESCRIPTION("Cirrus Logic DSP Support");
MODULE_AUTHOR("Simon Trimmer <simont@xxxxxxxxxxxxxxxxxxxxx>");
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index e5f0549bf06d..91842c0c8c74 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -1545,3 +1545,4 @@ MODULE_DESCRIPTION("CS35L41 HDA Driver");
MODULE_IMPORT_NS(SND_HDA_CS_DSP_CONTROLS);
MODULE_AUTHOR("Lucas Tanure, Cirrus Logic Inc, <tanureal@xxxxxxxxxxxxxxxxxxxxx>");
MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(FW_CS_DSP);
diff --git a/sound/pci/hda/hda_cs_dsp_ctl.c b/sound/pci/hda/hda_cs_dsp_ctl.c
index 1622a22f96f6..5433f6227ac9 100644
--- a/sound/pci/hda/hda_cs_dsp_ctl.c
+++ b/sound/pci/hda/hda_cs_dsp_ctl.c
@@ -249,3 +249,4 @@ EXPORT_SYMBOL_NS_GPL(hda_cs_dsp_read_ctl, SND_HDA_CS_DSP_CONTROLS);
MODULE_DESCRIPTION("CS_DSP ALSA Control HDA Library");
MODULE_AUTHOR("Stefan Binding, <sbinding@xxxxxxxxxxxxxxxxxxxxx>");
MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(FW_CS_DSP);
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 34a94b011518..91f93c08afd7 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -2060,3 +2060,4 @@ static const struct cs_dsp_client_ops wm_adsp2_client_ops = {
};

MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(FW_CS_DSP);
--
2.30.2

Next message: Sudeep Holla: "Re: [PATCH 3/3] arm_scpi: modify to support acpi"
Previous message: Richard Fitzgerald: "[PATCH 0/2] firmware: cs_dsp: Switch to using namespaced exports"
In reply to: Richard Fitzgerald: "[PATCH 1/2] firmware: cs_dsp: Rename KConfig symbol CS_DSP -> FW_CS_DSP"
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