| Message ID | 20191126050308.7225-1-kai.heng.feng@canonical.com |
|---|---|
| Headers | show |
| Series | Sync intel-lpss workaround with upstream version | expand |
On Tue, Nov 26, 2019 at 01:03:03PM +0800, Kai-Heng Feng wrote: > BugLink: https://bugs.launchpad.net/bugs/1851901 > > [Impact] > On new Intel SoC, blacklisting intel-lpss or noapic is needed to make > system boot. Touchpad doesn't work as a side effect. > > [Fix] > Write-comining doesn't work for intel-lpss, force it to use uncachable > memory region. > > [Test] > User confirmed with the patch series the noapic or blacklisting > intel-lpss can be removed. System boot with a working touchpad. > > [Regression Potenial] > Low. Tested on several older Intel laptops, still work without any > issue. > > > Kai-Heng Feng (1): > Revert "UBUNTU: SAUCE: mfd: intel-lpss: add quirk for Dell XPS 13 7390 > 2-in-1" > > Tuowen Zhao (2): > lib: devres: add a helper function for ioremap_uc > mfd: intel-lpss: Use devm_ioremap_uc for MMIO > > drivers/mfd/intel-lpss.c | 20 ++------------------ > lib/devres.c | 3 +-- > 2 files changed, 3 insertions(+), 20 deletions(-) Essentially replacing a previous SAUCE patch with the same thing from upstream: Acked-by: Anthony Wong <anthony.wong@canonical.com>
On Tue, Nov 26, 2019 at 01:03:03PM +0800, Kai-Heng Feng wrote: > BugLink: https://bugs.launchpad.net/bugs/1851901 > > [Impact] > On new Intel SoC, blacklisting intel-lpss or noapic is needed to make > system boot. Touchpad doesn't work as a side effect. > > [Fix] > Write-comining doesn't work for intel-lpss, force it to use uncachable > memory region. > > [Test] > User confirmed with the patch series the noapic or blacklisting > intel-lpss can be removed. System boot with a working touchpad. > > [Regression Potenial] > Low. Tested on several older Intel laptops, still work without any > issue. > > > Kai-Heng Feng (1): > Revert "UBUNTU: SAUCE: mfd: intel-lpss: add quirk for Dell XPS 13 7390 > 2-in-1" > > Tuowen Zhao (2): > lib: devres: add a helper function for ioremap_uc > mfd: intel-lpss: Use devm_ioremap_uc for MMIO > > drivers/mfd/intel-lpss.c | 20 ++------------------ > lib/devres.c | 3 +-- > 2 files changed, 3 insertions(+), 20 deletions(-) > > -- > 2.17.1 Looks good to me. Acked-by: Andrea Righi <andrea.righi@canonical.com>
On Tue, Nov 26, 2019 at 01:03:03PM +0800, Kai-Heng Feng wrote: > BugLink: https://bugs.launchpad.net/bugs/1851901 > > [Impact] > On new Intel SoC, blacklisting intel-lpss or noapic is needed to make > system boot. Touchpad doesn't work as a side effect. > > [Fix] > Write-comining doesn't work for intel-lpss, force it to use uncachable > memory region. > > [Test] > User confirmed with the patch series the noapic or blacklisting > intel-lpss can be removed. System boot with a working touchpad. > > [Regression Potenial] > Low. Tested on several older Intel laptops, still work without any > issue. > > > Kai-Heng Feng (1): > Revert "UBUNTU: SAUCE: mfd: intel-lpss: add quirk for Dell XPS 13 7390 > 2-in-1" > > Tuowen Zhao (2): > lib: devres: add a helper function for ioremap_uc > mfd: intel-lpss: Use devm_ioremap_uc for MMIO > > drivers/mfd/intel-lpss.c | 20 ++------------------ > lib/devres.c | 3 +-- > 2 files changed, 3 insertions(+), 20 deletions(-) > > -- > 2.17.1 > > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team
On 2019-11-26 13:03:03 , Kai-Heng Feng wrote: > BugLink: https://bugs.launchpad.net/bugs/1851901 > > [Impact] > On new Intel SoC, blacklisting intel-lpss or noapic is needed to make > system boot. Touchpad doesn't work as a side effect. > > [Fix] > Write-comining doesn't work for intel-lpss, force it to use uncachable > memory region. > > [Test] > User confirmed with the patch series the noapic or blacklisting > intel-lpss can be removed. System boot with a working touchpad. > > [Regression Potenial] > Low. Tested on several older Intel laptops, still work without any > issue. > > > Kai-Heng Feng (1): > Revert "UBUNTU: SAUCE: mfd: intel-lpss: add quirk for Dell XPS 13 7390 > 2-in-1" > > Tuowen Zhao (2): > lib: devres: add a helper function for ioremap_uc > mfd: intel-lpss: Use devm_ioremap_uc for MMIO > > drivers/mfd/intel-lpss.c | 20 ++------------------ > lib/devres.c | 3 +-- > 2 files changed, 3 insertions(+), 20 deletions(-) > > -- > 2.17.1 > > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team
BugLink: https://bugs.launchpad.net/bugs/1851901 [Impact] On new Intel SoC, blacklisting intel-lpss or noapic is needed to make system boot. Touchpad doesn't work as a side effect. [Fix] Write-comining doesn't work for intel-lpss, force it to use uncachable memory region. [Test] User confirmed with the patch series the noapic or blacklisting intel-lpss can be removed. System boot with a working touchpad. [Regression Potenial] Low. Tested on several older Intel laptops, still work without any issue. Kai-Heng Feng (1): Revert "UBUNTU: SAUCE: mfd: intel-lpss: add quirk for Dell XPS 13 7390 2-in-1" Tuowen Zhao (2): lib: devres: add a helper function for ioremap_uc mfd: intel-lpss: Use devm_ioremap_uc for MMIO drivers/mfd/intel-lpss.c | 20 ++------------------ lib/devres.c | 3 +-- 2 files changed, 3 insertions(+), 20 deletions(-)