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path: root/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c
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2023-08-12misc: microchip: pci1xxxx: Fix some NULL vs IS_ERR() bugsDan Carpenter1-4/+4
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>
2023-08-04misc: microchip: pci1xxxx: Add support to read and write into PCI1XXXX ↵Kumaravel Thiagarajan1-0/+140
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>
2023-08-04misc: microchip: pci1xxxx: Add support to read and write into PCI1XXXX OTP ↵Kumaravel Thiagarajan1-0/+303
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>
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