Thanks. kernel 5.3.0-43.36 works for me. ** Tags removed: verification-needed-eoan ** Tags added: verification-done-eoan
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1859744 Title: [spi-0115]spi: dw: use "smp_mb()" to avoid sending spi data error Status in kunpeng920: Fix Committed Status in kunpeng920 ubuntu-18.04 series: Won't Fix Status in kunpeng920 ubuntu-18.04-hwe series: Fix Committed Status in kunpeng920 ubuntu-19.10 series: Fix Committed Status in kunpeng920 ubuntu-20.04 series: Fix Committed Status in kunpeng920 upstream-kernel series: Fix Released Status in linux package in Ubuntu: Fix Released Status in linux source package in Eoan: Fix Committed Status in linux source package in Focal: Fix Released Bug description: [Impact] Sometimes, TPM fails because SPI data error [Fix] bfda044533b2 spi: dw: use "smp_mb()" to avoid sending spi data error [Test] Reboot system few times and no TPM error message [Regression Potential] Only on SPI function. Already tested on focal kernel [Bug Description] Because of out-of-order execution about some CPU architecture, In this debug stage we find Completing spi interrupt enable -> prodrucing TXEI interrupt -> running "interrupt_transfer" function will prior to set "dw->rx and dws->rx_end" data, so this patch add memory barrier to enable dw->rx and dw->rx_end to be visible and solve to send SPI data error. eg: it will fix to this following low possibility error in testing environment which using SPI control to connect TPM Modules kernel: tpm tpm0: Operation Timed out kernel: tpm tpm0: tpm_relinquish_locality: : error -1 [Steps to Reproduce] 1) enable ima and tpm 2)reboot this system 3) [Actual Results] kernel: tpm tpm0: Operation Timed out kernel: tpm tpm0: tpm_relinquish_locality: : error -1 [Expected Results] ok [Reproducibility] low probabilities [Additional information] (Firmware version, kernel version, affected hardware, etc. if required): [Resolution] bfda044533b2 spi: dw: use "smp_mb()" to avoid sending spi data error To manage notifications about this bug go to: https://bugs.launchpad.net/kunpeng920/+bug/1859744/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
