Message ID | 20221129071201.30024-1-manivannan.sadhasivam@linaro.org (mailing list archive) |
---|---|
Headers | show |
Series | Fix crash when using Qcom LLCC/EDAC drivers | expand |
On Tue, 29 Nov 2022 12:41:58 +0530, Manivannan Sadhasivam wrote: > This series fixes the crash seen on the Qualcomm SM8450 chipset with the > LLCC/EDAC drivers. The problem was due to the Qcom EDAC driver using the > fixed LLCC register offsets for detecting the LLCC errors. > > This seems to have worked for SoCs till SM8450. But in SM8450, the LLCC > register offsets were changed. So accessing the fixed offsets causes the > crash on this platform. > > [...] Applied, thanks! [1/3] soc: qcom: Select REMAP_MMIO for LLCC driver commit: 5d2fe2d7b616b8baa18348ead857b504fc2de336 Best regards,
On Tue, Nov 29, 2022 at 12:41:58PM +0530, Manivannan Sadhasivam wrote: > Hello, > > This series fixes the crash seen on the Qualcomm SM8450 chipset with the > LLCC/EDAC drivers. The problem was due to the Qcom EDAC driver using the > fixed LLCC register offsets for detecting the LLCC errors. > > This seems to have worked for SoCs till SM8450. But in SM8450, the LLCC > register offsets were changed. So accessing the fixed offsets causes the > crash on this platform. > > So for fixing this issue, and also to make it work on future SoCs, let's > pass the LLCC offsets from the Qcom LLCC driver based on the individual > SoCs and let the EDAC driver make use of them. > > This series has been tested on SM8450 based dev board. > Ping! Since there is another LLCC/EDAC series under review, it would be good to merge both into a single tree (which is qcom one I believe). Thanks, Mani > Thanks, > Mani > > Changes in v5: > > * Added fixes tag and CCed stable mentioning the dependency > * Added a patch to fix the build error with COMPILE_TEST > > Changes in v4: > > * Dropped the patches that were already applied > * Rebased on top of v6.1-rc5 > > Changes in v3: > > * Instead of using SoC specific register offset naming convention, used > LLCC version based as suggested by Sai > * Fixed the existing reg_offset naming convention to clearly represent > the LLCC version from which the offsets were changed > * Added Sai's Acked-by to MAINTAINERS patch > * Added a new patch that removes an extra error no assignment > > Changes in v2: > > * Volunteered myself as a maintainer for the EDAC driver since the current > maintainers have left Qualcomm and I couldn't get hold of them. > > Manivannan Sadhasivam (3): > soc: qcom: Select REMAP_MMIO for LLCC driver > EDAC/qcom: Remove extra error no assignment in qcom_llcc_core_setup() > EDAC/qcom: Get rid of hardcoded register offsets > > drivers/edac/qcom_edac.c | 119 ++++++++++++++--------------- > drivers/soc/qcom/Kconfig | 1 + > include/linux/soc/qcom/llcc-qcom.h | 6 -- > 3 files changed, 60 insertions(+), 66 deletions(-) > > -- > 2.25.1 >