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3 Commits

Author SHA1 Message Date
Dan Carpenter
5a652fe5e3 misc: microchip: pci1xxxx: Fix some NULL vs IS_ERR() bugs 
The devm_nvmem_register() function returns error pointers.  It never
returns NULL.  Update the checks accordingly.

Fixes: 0969001569e4 ("misc: microchip: pci1xxxx: Add support to read and write into PCI1XXXX OTP via NVMEM sysfs")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/043df330-222b-4c2c-ae19-ed2f731bfe0b@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-08-12 12:58:56 +02:00
Kumaravel Thiagarajan
9ab5465349 misc: microchip: pci1xxxx: Add support to read and write into PCI1XXXX EEPROM via NVMEM sysfs 
Microchip's pci1xxxx is an unmanaged PCIe3.1a switch for consumer,
industrial, and automotive applications. This switch integrates OTP
and EEPROM to enable customization of the part in the field.
This patch adds support to read and write into PCI1XXXX EEPROM
via NVMEM sysfs.

Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Co-developed-by: Tharun Kumar P <tharunkumar.pasumarthi@microchip.com>
Signed-off-by: Tharun Kumar P <tharunkumar.pasumarthi@microchip.com>
Co-developed-by: Vaibhaav Ram T.L <vaibhaavram.tl@microchip.com>
Signed-off-by: Vaibhaav Ram T.L <vaibhaavram.tl@microchip.com>
Link: https://lore.kernel.org/r/20230620143520.858-3-vaibhaavram.tl@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-08-04 15:36:44 +02:00
Kumaravel Thiagarajan
0969001569 misc: microchip: pci1xxxx: Add support to read and write into PCI1XXXX OTP via NVMEM sysfs 
Microchip's pci1xxxx is an unmanaged PCIe3.1a switch for consumer,
industrial, and automotive applications. This switch integrates OTP
and EEPROM to enable customization of the part in the field. This
patch adds support to read and write into PCI1XXXX OTP via NVMEM sysfs.

Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Co-developed-by: Tharun Kumar P <tharunkumar.pasumarthi@microchip.com>
Signed-off-by: Tharun Kumar P <tharunkumar.pasumarthi@microchip.com>
Co-developed-by: Vaibhaav Ram T.L <vaibhaavram.tl@microchip.com>
Signed-off-by: Vaibhaav Ram T.L <vaibhaavram.tl@microchip.com>
Link: https://lore.kernel.org/r/20230620143520.858-2-vaibhaavram.tl@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-08-04 15:36:43 +02:00