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Diffstat (limited to 'drivers/ntb/hw/idt/Kconfig')
| -rw-r--r-- | drivers/ntb/hw/idt/Kconfig | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/ntb/hw/idt/Kconfig b/drivers/ntb/hw/idt/Kconfig index b360e5613b9f..c79b54c1747d 100644 --- a/drivers/ntb/hw/idt/Kconfig +++ b/drivers/ntb/hw/idt/Kconfig @@ -1,12 +1,14 @@ +# SPDX-License-Identifier: GPL-2.0-only config NTB_IDT tristate "IDT PCIe-switch Non-Transparent Bridge support" depends on PCI + select HWMON help - This driver supports NTB of cappable IDT PCIe-switches. + This driver supports NTB of capable IDT PCIe-switches. Some of the pre-initializations must be made before IDT PCIe-switch - exposes it NT-functions correctly. It should be done by either proper - initialisation of EEPROM connected to master smbus of the switch or + exposes its NT-functions correctly. It should be done by either proper + initialization of EEPROM connected to master SMbus of the switch or by BIOS using slave-SMBus interface changing corresponding registers value. Evidently it must be done before PCI bus enumeration is finished in Linux kernel. @@ -23,9 +25,7 @@ config NTB_IDT BAR settings of peer NT-functions, the BAR setups can't be done over kernel PCI fixups. That's why the alternative pre-initialization techniques like BIOS using SMBus interface or EEPROM should be - utilized. Additionally if one needs to have temperature sensor - information printed to system log, the corresponding registers must - be initialized within BIOS/EEPROM as well. + utilized. If unsure, say N. |