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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 14:36:39 +07:00
rt2x00: debugfs support - allow a register to be empty
Allow a register to be unspecified, therefore not creating its debugfs file entry. Signed-off-by: Anisse Astier <anisse@astier.eu> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -624,22 +624,21 @@ static struct dentry *rt2x00debug_create_file_chipset(const char *name,
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data += sprintf(data, "revision:\t%04x\n", intf->rt2x00dev->chip.rev);
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data += sprintf(data, "\n");
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data += sprintf(data, "register\tbase\twords\twordsize\n");
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data += sprintf(data, "csr\t%d\t%d\t%d\n",
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debug->csr.word_base,
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debug->csr.word_count,
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debug->csr.word_size);
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data += sprintf(data, "eeprom\t%d\t%d\t%d\n",
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debug->eeprom.word_base,
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debug->eeprom.word_count,
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debug->eeprom.word_size);
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data += sprintf(data, "bbp\t%d\t%d\t%d\n",
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debug->bbp.word_base,
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debug->bbp.word_count,
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debug->bbp.word_size);
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data += sprintf(data, "rf\t%d\t%d\t%d\n",
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debug->rf.word_base,
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debug->rf.word_count,
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debug->rf.word_size);
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#define RT2X00DEBUGFS_SPRINTF_REGISTER(__name) \
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{ \
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if(debug->__name.read) \
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data += sprintf(data, __stringify(__name) \
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"\t%d\t%d\t%d\n", \
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debug->__name.word_base, \
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debug->__name.word_count, \
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debug->__name.word_size); \
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}
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RT2X00DEBUGFS_SPRINTF_REGISTER(csr);
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RT2X00DEBUGFS_SPRINTF_REGISTER(eeprom);
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RT2X00DEBUGFS_SPRINTF_REGISTER(bbp);
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RT2X00DEBUGFS_SPRINTF_REGISTER(rf);
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#undef RT2X00DEBUGFS_SPRINTF_REGISTER
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blob->size = strlen(blob->data);
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return debugfs_create_blob(name, S_IRUSR, intf->driver_folder, blob);
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@ -694,25 +693,27 @@ void rt2x00debug_register(struct rt2x00_dev *rt2x00dev)
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if (IS_ERR(intf->register_folder) || !intf->register_folder)
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goto exit;
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#define RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(__intf, __name) \
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({ \
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(__intf)->__name##_off_entry = \
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debugfs_create_u32(__stringify(__name) "_offset", \
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S_IRUSR | S_IWUSR, \
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(__intf)->register_folder, \
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&(__intf)->offset_##__name); \
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if (IS_ERR((__intf)->__name##_off_entry) \
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|| !(__intf)->__name##_off_entry) \
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goto exit; \
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\
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(__intf)->__name##_val_entry = \
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debugfs_create_file(__stringify(__name) "_value", \
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S_IRUSR | S_IWUSR, \
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(__intf)->register_folder, \
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(__intf), &rt2x00debug_fop_##__name);\
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if (IS_ERR((__intf)->__name##_val_entry) \
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|| !(__intf)->__name##_val_entry) \
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goto exit; \
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#define RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(__intf, __name) \
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({ \
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if(debug->__name.read) { \
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(__intf)->__name##_off_entry = \
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debugfs_create_u32(__stringify(__name) "_offset", \
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S_IRUSR | S_IWUSR, \
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(__intf)->register_folder, \
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&(__intf)->offset_##__name); \
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if (IS_ERR((__intf)->__name##_off_entry) \
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|| !(__intf)->__name##_off_entry) \
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goto exit; \
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\
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(__intf)->__name##_val_entry = \
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debugfs_create_file(__stringify(__name) "_value", \
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S_IRUSR | S_IWUSR, \
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(__intf)->register_folder, \
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(__intf), &rt2x00debug_fop_##__name); \
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if (IS_ERR((__intf)->__name##_val_entry) \
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|| !(__intf)->__name##_val_entry) \
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goto exit; \
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} \
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})
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RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, csr);
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