[BUG] serial: TX kfifo underflow when TCOFLUSH races with TX DMA (samsung, sprd, msm, pch_uart, tegra)

[Greg Kroah-Hartman]

On Sat, Oct 31, 2026 at 12:47:33AM +0000, Samarth Narang wrote:
> I would be happy to prepare separate patches for the affected drivers if
> the maintainers agree with the analysis.

Always just send us patches, after testing them, you never need to ask
if you should do so.

thanks,

greg k-h