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1e910adc59a6954e475dd2d6a4534ac56dd8eed&follow=1'>soc: qcom: rmphpd: add power domains for sa8775pBartosz Golaszewski1-0/+34 Add power domain description for sa8775p and a new compatible to match it. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20230109174511.1740856-15-brgl@bgdev.pl 2023-01-10dt-bindings: power: qcom,rpmpd: document sa8775pBartosz Golaszewski2-0/+20 Add a compatible for sa8775p platforms and relevant defines to the include file. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20230109174511.1740856-14-brgl@bgdev.pl 2023-01-06soc: qcom: dcc: rewrite description of dcc sysfs filesBagas Sanjaya1-66/+76 The description of dcc sysfs files is somewhat confusing and not effective. Rewrite it to be clear. While at it, also use literal code block for config sysfs examples and remove redundant examples that are obvious. Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Acked-by: Souradeep Chowdhury <quic_schowdhu@quicinc.com> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221230135030.17002-3-bagasdotme@gmail.com 2023-01-06soc: qcom: dcc: Fix examples list on ↵Bagas Sanjaya1-22/+41 /sys/kernel/debug/dcc/.../[list-number]/config documentation kernel test robot reported htmldocs warnings: Documentation/ABI/testing/debugfs-driver-dcc:34: WARNING: Unexpected indentation. Documentation/ABI/testing/debugfs-driver-dcc:34: WARNING: Block quote ends without a blank line; unexpected unindent. Fix these by fixing numbered list syntax on description of /sys/kernel/debug/dcc/.../[list-number]/config, including adding blank line separators as appropriate. Link: https://lore.kernel.org/linux-doc/202212300426.eMLsZsvA-lkp@intel.com/ Fixes: 4cbe60cf5ad622 ("soc: qcom: dcc: Add driver support for Data Capture and Compare unit(DCC)") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Acked-by: Souradeep Chowdhury <quic_schowdhu@quicinc.com> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221230135030.17002-2-bagasdotme@gmail.com 2023-01-06soc: qcom: dcc: Fix unsigned comparison with less than zeroYang Li1-1/+2 The return value from the call to kstrtouint_from_user() is int. However, the return value is being assigned to an unsigned int variable 'ret', so making 'ret' an int. Eliminate the following warning: ./drivers/soc/qcom/dcc.c:815:5-8: WARNING: Unsigned expression compared with zero: ret < 0 Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3638 Fixes: 4cbe60cf5ad6 ("soc: qcom: dcc: Add driver support for Data Capture and Compare unit(DCC)") Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20230106011710.2827-1-yang.lee@linux.alibaba.com 2023-01-06soc: qcom: apr: make remove callback of apr driver void returnedDawei Li2-4/+2 Since commit fc7a6209d571 ("bus: Make remove callback return void") forces bus_type::remove be void-returned, it doesn't make much sense for any bus based driver implementing remove callbalk to return non-void to its caller. As such, change the remove function for apr bus based drivers to return void. Signed-off-by: Dawei Li <set_pte_at@outlook.com> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/TYCP286MB23232B7968D34DB8323B0F16CAFB9@TYCP286MB2323.JPNP286.PROD.OUTLOOK.COM 2022-12-29soc: qcom: socinfo: Add support for new fields in revision 16Naman Jain1-0/+16 Add support for new fields coming with socinfo structure under v16 to get SKU information, product code and name and type of different parts present in the SoC. Also, add debugfs nodes to read feature and product codes to allow user to get SKU and other SoC details. Support for SoC parts name and type parsing will be added separately. Details of fields added: * feature_code: mapped to qcom internal and external SKU IDs * pcode: product code * npartnamemap_offset: parts name map array offset from socinfo base ptr * nnum_partname_mapping: number of part mappings Signed-off-by: Naman Jain <quic_namajain@quicinc.com> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221125103533.2960-1-quic_namajain@quicinc.com 2022-12-28soc: qcom: ramp_controller: Include linux/bitfield.hBjorn Andersson1-0/+1 Building ramp_controller under x86_64 results in the following build error: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 Include linux/bitfield.h to ensure FIELD_PREP() is declared. Signed-off-by: Bjorn Andersson <andersson@kernel.org> 2022-12-28MAINTAINERS: Add the entry for DCC(Data Capture and Compare) driver supportSouradeep Chowdhury1-0/+8 Add the entries for all the files added as a part of driver support for DCC(Data Capture and Compare). Signed-off-by: Souradeep Chowdhury <quic_schowdhu@quicinc.com> Reviewed-by: Bjorn Andersson <andersson@kernel.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/d94c11b2c219265d150f71ee726637dd0f58c095.1672148732.git.quic_schowdhu@quicinc.com 2022-12-28soc: qcom: dcc: Add driver support for Data Capture and Compare unit(DCC)Souradeep Chowdhury4-0/+1406 The DCC is a DMA Engine designed to capture and store data during system crash or software triggers. The DCC operates based on user inputs via the debugfs interface. The user gives addresses as inputs and these addresses are stored in the dcc sram. In case of a system crash or a manual software trigger by the user through the debugfs interface, the dcc captures and stores the values at these addresses. This patch contains the driver which has all the methods pertaining to the debugfs interface, auxiliary functions to support all the four fundamental operations of dcc namely read, write, read/modify/write and loop. The probe method here instantiates all the resources necessary for dcc to operate mainly the dedicated dcc sram where it stores the values. The DCC driver can be used for debugging purposes without going for a reboot since it can perform software triggers as well based on user inputs. Also add the documentation for debugfs entries which explains the functionalities of each debugfs file that has been created for dcc. The following is the justification of using debugfs interface over the other alternatives like sysfs/ioctls i) As can be seen from the debugfs attribute descriptions, some of the debugfs attribute files here contains multiple arguments which needs to be accepted from the user. This goes against the design style of sysfs. ii) The user input patterns have been made simple and convenient in this case with the use of debugfs interface as user doesn't need to shuffle between different files to execute one instruction as was the case on using other alternatives. Signed-off-by: Souradeep Chowdhury <quic_schowdhu@quicinc.com> Reviewed-by: Alex Elder <elder@linaro.org> [bjorn: Fixed up a few indents and line wraps] Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/644b4f66a358492a8a6738454035c3b120092fe7.1672148732.git.quic_schowdhu@quicinc.com