linux.git/drivers/nvmem, branch v5.18 Clone of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git nvmem: brcm_nvram: parse NVRAM content into NVMEM cells 2022-03-18T13:08:36+00:00 Rafał Miłecki rafal@milecki.pl 2022-02-25T17:58:20+00:00 6e977eaa8280e957b87904b536661550f2a6b3e8 NVRAM consist of header and NUL separated key-value pairs. Parse it and create NVMEM cell for every key-value entry. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20220225175822.8293-3-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
NVRAM consist of header and NUL separated key-value pairs. Parse it and
create NVMEM cell for every key-value entry.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220225175822.8293-3-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Merge 5.17-rc6 into char-misc-next 2022-02-28T06:30:32+00:00 Greg Kroah-Hartman gregkh@linuxfoundation.org 2022-02-28T06:30:32+00:00 085686fb8491a7cbf6a7260d5b9d4169a041c340 We need the char-misc fixes in here. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
We need the char-misc fixes in here.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
nvmem: Add driver for OCOTP in Sunplus SP7021 2022-02-25T10:49:36+00:00 Vincent Shih vincent.sunplus@gmail.com 2022-02-23T22:35:01+00:00 8747ec2e9762ed9ae53b3a590938f454b6a1abdf Add driver for OCOTP in Sunplus SP7021 Signed-off-by: Vincent Shih <vincent.sunplus@gmail.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20220223223502.29454-3-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Add driver for OCOTP in Sunplus SP7021

Signed-off-by: Vincent Shih <vincent.sunplus@gmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220223223502.29454-3-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
nvmem: qfprom: Increase fuse blow timeout to prevent write fail 2022-02-25T10:49:36+00:00 Knox Chiou knoxchiou@chromium.org 2022-02-23T22:35:00+00:00 bc5c75e0a5a9400f81a987cc720100ac475fa4d8 sc7180 blow fuses got slightly chances to hit qfprom_reg_write timeout. Current timeout is simply too low. Since blowing fuses is a very rare operation, so the risk associated with overestimating this number is low. Increase fuse blow timeout from 1ms to 10ms. Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Knox Chiou <knoxchiou@chromium.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20220223223502.29454-2-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
sc7180 blow fuses got slightly chances to hit qfprom_reg_write timeout.
Current timeout is simply too low. Since blowing fuses is a
very rare operation, so the risk associated with overestimating this
number is low.
Increase fuse blow timeout from 1ms to 10ms.

Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Knox Chiou <knoxchiou@chromium.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220223223502.29454-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
nvmem: add driver for Layerscape SFP (Security Fuse Processor) 2022-02-21T17:00:30+00:00 Michael Walle michael@walle.cc 2022-02-20T15:15:23+00:00 f78451012b9e159afdba31c3eb69f223a9f42adc Add support for the Security Fuse Processor found on Layerscape SoCs. This driver implements basic read access. Signed-off-by: Michael Walle <michael@walle.cc> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20220220151527.17216-10-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Add support for the Security Fuse Processor found on Layerscape SoCs.
This driver implements basic read access.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-10-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
nvmem: meson-mx-efuse: replace unnecessary devm_kstrdup() 2022-02-21T17:00:30+00:00 Xiaoke Wang xkernel.wang@foxmail.com 2022-02-20T15:15:21+00:00 4dc8d89faed9bb05f116fa1794fc955b14910386 Replace unnecessary devm_kstrdup() so to avoid redundant memory allocation. Suggested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20220220151527.17216-8-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Replace unnecessary devm_kstrdup() so to avoid redundant memory allocation.

Suggested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-8-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
nvmem: sunxi_sid: Add support for D1 variant 2022-02-21T17:00:30+00:00 Samuel Holland samuel@sholland.org 2022-02-20T15:15:20+00:00 07ae4fde9efada7878e1383d6ccc7da70315ca23 D1 has a smaller eFuse block than some other recent SoCs, and it no longer requires a workaround to read the eFuse data. Signed-off-by: Samuel Holland <samuel@sholland.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20220220151527.17216-7-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
D1 has a smaller eFuse block than some other recent SoCs, and it no
longer requires a workaround to read the eFuse data.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-7-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
nvmem: qfprom: fix kerneldoc warning 2022-02-21T17:00:29+00:00 Srinivas Kandagatla srinivas.kandagatla@linaro.org 2022-02-20T15:15:18+00:00 05196facc052385960028ac634447ecf6c764ec3 This patch fixes below kernel doc warning, warning: expecting prototype for qfprom_efuse_reg_write(). Prototype was for qfprom_reg_write() instead No code changes. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20220220151527.17216-5-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
This patch fixes below kernel doc warning,
warning: expecting prototype for qfprom_efuse_reg_write().
Prototype was for qfprom_reg_write() instead

No code changes.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
nvmem: core: Check input parameter for NULL in nvmem_unregister() 2022-02-21T17:00:29+00:00 Andy Shevchenko andriy.shevchenko@linux.intel.com 2022-02-20T15:15:17+00:00 8c751e0d9a5264376935a84429a2d468c8877d99 nvmem_unregister() frees resources and standard pattern is to allow caller to not care if it's NULL or not. This will reduce burden on the callers to perform this check. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20220220151527.17216-4-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
nvmem_unregister() frees resources and standard pattern is to allow
caller to not care if it's NULL or not. This will reduce burden on
the callers to perform this check.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-4-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
nvmem: core: Use devm_add_action_or_reset() 2022-02-21T17:00:29+00:00 Andy Shevchenko andriy.shevchenko@linux.intel.com 2022-02-20T15:15:16+00:00 5825b2c6762611e67ccaf3ccf64485365a120f0b Slightly simplify the devm_nvmem_register() by using the devm_add_action_or_reset(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20220220151527.17216-3-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Slightly simplify the devm_nvmem_register() by using the
devm_add_action_or_reset().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-3-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>