diff options
| -rw-r--r-- | drivers/spi/Kconfig | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 3a362c450cb6..db033d424bb5 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -454,13 +454,12 @@ config SPI_INTEL_PCI select SPI_INTEL help This enables PCI support for the Intel PCH/PCU SPI controller in - master mode. This controller is present in modern Intel hardware - and is used to hold BIOS and other persistent settings. This - driver only supports hardware sequencing mode. Using this - driver it is possible to upgrade BIOS directly from Linux. - - Say N here unless you know what you are doing. Overwriting the - SPI flash may render the system unbootable. + master mode. This controller is used to hold BIOS and other + persistent settings. Controllers present in modern Intel hardware + only work in hardware sequencing mode, this means that the + controller exposes a subset of operations that makes it safer to + use. Using this driver it is possible to upgrade BIOS directly + from Linux. To compile this driver as a module, choose M here: the module will be called spi-intel-pci. @@ -473,9 +472,10 @@ config SPI_INTEL_PLATFORM help This enables platform support for the Intel PCH/PCU SPI controller in master mode that is used to hold BIOS and other - persistent settings. Most of these controllers are using - software sequencing mode. Using this driver it is possible to - upgrade BIOS directly from Linux. + persistent settings. Most of these controllers work in + software sequencing mode, which means that the controller + exposes the low level SPI-NOR opcodes to the software. Using + this driver it is possible to upgrade BIOS directly from Linux. Say N here unless you know what you are doing. Overwriting the SPI flash may render the system unbootable. |