On Sat, Apr 25, 2020 at 09:04:08AM +0200, Greg KH wrote: > On Fri, Apr 24, 2020 at 07:42:16PM -0700, Sowjanya Komatineni wrote: > > > > On 4/24/20 6:45 PM, Sasha Levin wrote: > > > External email: Use caution opening links or attachments > > > > > > > > > On Fri, Apr 24, 2020 at 01:06:04PM -0700, Sowjanya Komatineni wrote: > > > > This series is to backport the upstream patches that fixes busy > > > > detection > > > > for long operation mmc commands by implementing Tegra specific timeout > > > > callback to switch between finite and infinite HW busy detection wait > > > > modes. > > > > > > > > > > > > Sowjanya Komatineni (2): > > > > sdhci: tegra: Implement Tegra specific set_timeout callback > > > > sdhci: tegra: Enable MMC_CAP_WAIT_WHILE_BUSY host capability > > > > > > What regression do these patches fix? > > > > > This isn't a regression as we don't have any known failures as of today with > > the specific mmc devices we are using on our platforms. > > Have you read: > https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html > ? > > > But this patch fixes a long outstanding bug for sdhci-tegra to handle long > > busy wait for mmc command operations that may take longer than host max busy > > timeout. So, this is something that's missing from the beginning and good to > > have. > > So it's a new feature? > Dropped from my queues due to lack of response. greg k-h