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2024-06-17peci: aspeed: Clear clock_divider value before setting itIwona Winiarska1-0/+1
PECI clock divider is programmed on 10:8 bits of PECI Control register. Before setting a new value, clear bits read from hardware. Reviewed-by: Billy Tsai <billy_tsai@aspeedtech.com> Link: https://lore.kernel.org/r/20240417134849.5793-1-iwona.winiarska@intel.com Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com>
2023-08-08Merge tag 'peci-next-6.6-rc1' of ↵Greg Kroah-Hartman3-0/+315
git://git.kernel.org/pub/scm/linux/kernel/git/iwi/linux into char-misc-next Iwona writes: Update peci-next for v6.6-rc1 * Add Intel Sapphire Rapids support. * Add Nuvoton controller driver. * tag 'peci-next-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/iwi/linux: arm64: dts: nuvoton: Add PECI controller node ARM: dts: nuvoton: Add PECI controller node peci: Add peci-npcm controller driver dt-bindings: Add bindings for peci-npcm hwmon: (peci/dimmtemp) Add Sapphire Rapids support hwmon: (peci/cputemp) Add Intel Sapphire Rapids support peci: cpu: Add Intel Sapphire Rapids support
2023-08-07peci: Add peci-npcm controller driverTomer Maimon3-0/+315
Add support for Nuvoton NPCM BMC hardware to the Platform Environment Control Interface (PECI) subsystem. Signed-off-by: Tomer Maimon <tmaimon77@gmail.com> Signed-off-by: Tyrone Ting <warp5tw@gmail.com> Co-developed-by: Iwona Winiarska <iwona.winiarska@intel.com> Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com> Link: https://lore.kernel.org/r/20230727202126.1477515-3-iwona.winiarska@intel.com
2023-08-04peci: Constify struct peci_controller_opsZev Weiss1-1/+1
As with most ops structs, we never modify it at runtime, and keeping function pointers in read-only memory is generally a good thing security-wise. Signed-off-by: Zev Weiss <zev@bewilderbeest.net> Link: https://lore.kernel.org/r/20230327224315.11135-1-zev@bewilderbeest.net Reviewed-by: Iwona Winiarska <iwona.winiarska@intel.com> Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com> Link: https://lore.kernel.org/r/20230623142805.577612-1-iwona.winiarska@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-08-15peci: aspeed: fix error check return value of platform_get_irq()Lv Ruyi1-1/+1
platform_get_irq() return negative value on failure, so null check of priv->irq is incorrect. Fix it by comparing whether it is less than zero. Fixes: a85e4c52086c ("peci: Add peci-aspeed controller driver") Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn> Link: https://lore.kernel.org/r/20220413010425.2534887-1-lv.ruyi@zte.com.cn Reviewed-by: Iwona Winiarska <iwona.winiarska@intel.com> Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com>
2022-02-09peci: Add peci-aspeed controller driverJae Hyun Yoo3-0/+620
ASPEED AST24xx/AST25xx/AST26xx SoCs support the PECI electrical interface (a.k.a PECI wire) that provides a communication channel with Intel processors. This driver allows BMC to discover devices connected to it and communicate with them using PECI protocol. Co-developed-by: Iwona Winiarska <iwona.winiarska@intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Joel Stanley <joel@jms.id.au> Acked-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com> Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com> Link: https://lore.kernel.org/r/20220208153639.255278-6-iwona.winiarska@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>