Re: [PATCH v3] fdc/i8257: implement verify transfer mode

2020-03-18 Thread John Snow
On 11/1/19 12:55 PM, Sven Schnelle wrote: > While working on the Tulip driver i tried to write some Teledisk images to > a floppy image which didn't work. Turned out that Teledisk checks the written > data by issuing a READ command to the FDC but running the DMA controller > in VERIFY mode. As w

Re: [PATCH v3] fdc/i8257: implement verify transfer mode

2019-11-03 Thread Hervé Poussineau
Le 01/11/2019 à 17:55, Sven Schnelle a écrit : While working on the Tulip driver i tried to write some Teledisk images to a floppy image which didn't work. Turned out that Teledisk checks the written data by issuing a READ command to the FDC but running the DMA controller in VERIFY mode. As we ig

[PATCH v3] fdc/i8257: implement verify transfer mode

2019-11-01 Thread Sven Schnelle
While working on the Tulip driver i tried to write some Teledisk images to a floppy image which didn't work. Turned out that Teledisk checks the written data by issuing a READ command to the FDC but running the DMA controller in VERIFY mode. As we ignored the DMA request in that case, the DMA trans