From cfee0330d2fc0c22801ee412115f1ed4201c7c4b Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Thu, 3 Sep 2020 11:21:03 +0200 Subject: projects: linux: io: update tasks after updates 20200903 Signed-off-by: Wolfram Sang --- .../linux/io/done/I2C-fix-slave-corner-cases.yaml | 33 ++++++++++++++++++++++ projects/linux/io/done/SDHI-refactor-reset.yaml | 22 +++++++++++++++ projects/linux/io/done/SDHI-stalled-SCC.yaml | 29 +++++++++++++++++++ 3 files changed, 84 insertions(+) create mode 100644 projects/linux/io/done/I2C-fix-slave-corner-cases.yaml create mode 100644 projects/linux/io/done/SDHI-refactor-reset.yaml create mode 100644 projects/linux/io/done/SDHI-stalled-SCC.yaml (limited to 'projects/linux/io/done') diff --git a/projects/linux/io/done/I2C-fix-slave-corner-cases.yaml b/projects/linux/io/done/I2C-fix-slave-corner-cases.yaml new file mode 100644 index 0000000..7b8ef13 --- /dev/null +++ b/projects/linux/io/done/I2C-fix-slave-corner-cases.yaml @@ -0,0 +1,33 @@ +title: I2C; fix issues when using the slave mode +team: IO +key: cd177762-bc48-11ea-af02-1fe19e7a99a4 +assignee: Wolfram +status: Done + +upstream: + - torvalds: 314139f9f0abdba61ed9a8463bbcb0bf900ac5a2 # i2c: rcar: slave: only send STOP event when we have been addressed + - torvalds: 914a7b3563b8fb92f976619bbd0fa3a4a708baae # i2c: rcar: in slave mode, clear NACK earlier + - torvalds: eb01597158ffb1853a7a7fc2c57d4c844640f75e # i2c: rcar: always clear ICSAR to avoid side effects + - torvalds: c7c9e914f9a0478fba4dc6f227cfd69cf84a4063 # i2c: rcar: avoid race when unregistering slave + +comments: + - "Issue 1: we should not monitor every STOP but only when we have been addressed" + - "v1 https://patchwork.kernel.org/patch/11632397/" + - "v2 https://patchwork.kernel.org/patch/11632107/" + - "v1 merged, v2 was not really better" + + - "Issue 2: how to properly handle the FNA bit" + - "working prototype exists, waiting for confirmation from the HW team" + - "HW team acknowledged the prototype" + - "v1 https://patchwork.kernel.org/patch/11718127/" + - "v1 merged" + + - "Issue 3: do we need to clear SAR when disabling the slave interface?" + - "working prototype exists, needs confirmation from the HW team" + - "only applies to Gen2, Gen3 is fine" + - "v1: https://patchwork.kernel.org/patch/11643625/" + - "v1 merged" + + - "Issue 4: race when unregistering slave" + - "v1: https://patchwork.kernel.org/patch/11685989/" + - "v1 merged" diff --git a/projects/linux/io/done/SDHI-refactor-reset.yaml b/projects/linux/io/done/SDHI-refactor-reset.yaml new file mode 100644 index 0000000..a88f43f --- /dev/null +++ b/projects/linux/io/done/SDHI-refactor-reset.yaml @@ -0,0 +1,22 @@ +title: "SDHI; refactor reset into proper reset and hw_reset" +team: IO +key: b408bad6-edcd-11ea-942b-eb603d86bc58 +status: Done +assignee: Wolfram + +bsp-commits: + +upstream: + - next: f4a8fe7eb26bedc3d8f8b4e8fa3957d87eb21caf # mmc: renesas_sdhi: move wrong 'hw_reset' to 'reset' + - next: 794d69bca9631018dd949e7f3a1b4237d5f28f88 # Revert "mmc: tmio: fix reset operation" + - next: f3b5f54f8b0086d78e4b004d48d0abe23a65d0fd # mmc: tmio: remove indirection of 'hw_reset' callback + - next: b306d0f4d4a5909902dc1fd773456cabe757bfed # mmc: tmio: factor out common parts of the reset routine + - next: c9358732c78bfeab01a168776494a8e337127553 # mmc: tmio: remove indirection of 'execute_tuning' callback + - next: 1fcf371e4a41d02cc72d5b928e5bf424f20268b9 # mmc: tmio: remove indirection of 'execute_tuning' callback + +comments: + - "Shimoda-san reported that after IP core reset, some card initialization needs to be done again" + - "Wolfram then evaluated that the usage of reset and hw_reset in the SDHI driver is different from what the MMC core expects" + - "a proper refactoring was needed" + - "v1: https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=335877&state=*" + - "v1 merged" diff --git a/projects/linux/io/done/SDHI-stalled-SCC.yaml b/projects/linux/io/done/SDHI-stalled-SCC.yaml new file mode 100644 index 0000000..c463361 --- /dev/null +++ b/projects/linux/io/done/SDHI-stalled-SCC.yaml @@ -0,0 +1,29 @@ +title: "SDHI; SCC may stall if SDnH is not provided" +team: IO +key: d593a7de-95e8-11ea-8695-9f6a675410b7 +status: Done +assignee: Wolfram + +relationships: + +bsp-commits: + - addfe9203290e3c274bca15e64e3f11638649e66 # mmc: renesas_sdhi: Fix hang up in HS400 timing mode selection + +upstream: + - next: 070d38ad4b5380d291089e1f03b4918d8132a156 # mmc: core: when downgrading HS400, callback into drivers earlier + - next: e2fa339c67440bb73fa324dcbb6a7567a524d134 # mmc: core: add a 'doing_init_tune' flag and a 'mmc_doing_tune' helper + - next: 81aef391ceada9264bf43f7203b58b49a7d5d81e # mmc: renesas_sdhi: keep SCC clock active when tuning + +comments: + - "hang up is surprisingly hard to reproduce but we keep trying" + - "updated manual calibration patchset makes the issue appear again" + - "v1: https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=298209&state=*" + - "not all error paths covered; we need a new flag in the MMC core. Wolfram will work on it" + - "delayed because of generic Gen3 board boot problems" + - "patches for MMC core updates exists. However, currently not possible to trigger the issue again" + - "issue could be triggered again once" + - "patch to inject the fault for stalled SCC was created" + - "MMC core updates could be tested and worked" + - "v2: https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=341697&state=*" + - "v2 tested and reviewed by Shimoda-san" + - "v2 merged" -- cgit v1.2.3