| Message ID | 20211220164625.9400-4-mika.westerberg@linux.intel.com |
|---|---|
| State | Changes Requested |
| Delegated to: | Ambarus Tudor |
| Headers | show |
| Series | mtd: spi-nor / spi / MFD: Convert intel-spi to SPI MEM | expand |
On 12/20/21 18:46, Mika Westerberg wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > Since the driver is renamed (and moved) update the BIOS upgrade guide > accordingly from intel-spi to spi-intel. Keep the guide under MTD > documentation because this is pretty much still about MTD and SPI-NOR. > > Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> > Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > Reviewed-by: Mauro Lima <mauro.lima@eclypsium.com> Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com> > --- > Documentation/driver-api/mtd/index.rst | 2 +- > .../driver-api/mtd/{intel-spi.rst => spi-intel.rst} | 8 ++++---- > 2 files changed, 5 insertions(+), 5 deletions(-) > rename Documentation/driver-api/mtd/{intel-spi.rst => spi-intel.rst} (94%) > > diff --git a/Documentation/driver-api/mtd/index.rst b/Documentation/driver-api/mtd/index.rst > index 436ba5a851d7..6a4278f409d7 100644 > --- a/Documentation/driver-api/mtd/index.rst > +++ b/Documentation/driver-api/mtd/index.rst > @@ -7,6 +7,6 @@ Memory Technology Device (MTD) > .. toctree:: > :maxdepth: 1 > > - intel-spi > + spi-intel > nand_ecc > spi-nor > diff --git a/Documentation/driver-api/mtd/intel-spi.rst b/Documentation/driver-api/mtd/spi-intel.rst > similarity index 94% > rename from Documentation/driver-api/mtd/intel-spi.rst > rename to Documentation/driver-api/mtd/spi-intel.rst > index 0465f6879262..df854f20ead1 100644 > --- a/Documentation/driver-api/mtd/intel-spi.rst > +++ b/Documentation/driver-api/mtd/spi-intel.rst > @@ -1,5 +1,5 @@ > ============================== > -Upgrading BIOS using intel-spi > +Upgrading BIOS using spi-intel > ============================== > > Many Intel CPUs like Baytrail and Braswell include SPI serial flash host > @@ -11,12 +11,12 @@ avoid accidental (or on purpose) overwrite of the content. > Not all manufacturers protect the SPI serial flash, mainly because it > allows upgrading the BIOS image directly from an OS. > > -The intel-spi driver makes it possible to read and write the SPI serial > +The spi-intel driver makes it possible to read and write the SPI serial > flash, if certain protection bits are not set and locked. If it finds > any of them set, the whole MTD device is made read-only to prevent > partial overwrites. By default the driver exposes SPI serial flash > contents as read-only but it can be changed from kernel command line, > -passing "intel-spi.writeable=1". > +passing "spi_intel.writeable=1". > > Please keep in mind that overwriting the BIOS image on SPI serial flash > might render the machine unbootable and requires special equipment like > @@ -32,7 +32,7 @@ Linux. > serial flash. Distros like Debian and Fedora have this prepackaged with > name "mtd-utils". > > - 3) Add "intel-spi.writeable=1" to the kernel command line and reboot > + 3) Add "spi_intel.writeable=1" to the kernel command line and reboot > the board (you can also reload the driver passing "writeable=1" as > module parameter to modprobe). > > -- > 2.34.1 >
diff --git a/Documentation/driver-api/mtd/index.rst b/Documentation/driver-api/mtd/index.rst index 436ba5a851d7..6a4278f409d7 100644 --- a/Documentation/driver-api/mtd/index.rst +++ b/Documentation/driver-api/mtd/index.rst @@ -7,6 +7,6 @@ Memory Technology Device (MTD) .. toctree:: :maxdepth: 1 - intel-spi + spi-intel nand_ecc spi-nor diff --git a/Documentation/driver-api/mtd/intel-spi.rst b/Documentation/driver-api/mtd/spi-intel.rst similarity index 94% rename from Documentation/driver-api/mtd/intel-spi.rst rename to Documentation/driver-api/mtd/spi-intel.rst index 0465f6879262..df854f20ead1 100644 --- a/Documentation/driver-api/mtd/intel-spi.rst +++ b/Documentation/driver-api/mtd/spi-intel.rst @@ -1,5 +1,5 @@ ============================== -Upgrading BIOS using intel-spi +Upgrading BIOS using spi-intel ============================== Many Intel CPUs like Baytrail and Braswell include SPI serial flash host @@ -11,12 +11,12 @@ avoid accidental (or on purpose) overwrite of the content. Not all manufacturers protect the SPI serial flash, mainly because it allows upgrading the BIOS image directly from an OS. -The intel-spi driver makes it possible to read and write the SPI serial +The spi-intel driver makes it possible to read and write the SPI serial flash, if certain protection bits are not set and locked. If it finds any of them set, the whole MTD device is made read-only to prevent partial overwrites. By default the driver exposes SPI serial flash contents as read-only but it can be changed from kernel command line, -passing "intel-spi.writeable=1". +passing "spi_intel.writeable=1". Please keep in mind that overwriting the BIOS image on SPI serial flash might render the machine unbootable and requires special equipment like @@ -32,7 +32,7 @@ Linux. serial flash. Distros like Debian and Fedora have this prepackaged with name "mtd-utils". - 3) Add "intel-spi.writeable=1" to the kernel command line and reboot + 3) Add "spi_intel.writeable=1" to the kernel command line and reboot the board (you can also reload the driver passing "writeable=1" as module parameter to modprobe).